From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001 From: ruki Date: Thu, 8 Nov 2018 00:38:48 +0800 Subject: switch to vuepress --- node_modules/prettier/third-party.js | 5414 ++++++++++++++++++++++++++++++++++ 1 file changed, 5414 insertions(+) create mode 100644 node_modules/prettier/third-party.js (limited to 'node_modules/prettier/third-party.js') diff --git a/node_modules/prettier/third-party.js b/node_modules/prettier/third-party.js new file mode 100644 index 00000000..ffcb3a75 --- /dev/null +++ b/node_modules/prettier/third-party.js @@ -0,0 +1,5414 @@ +'use strict'; + +function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; } + +var stream = _interopDefault(require('stream')); +var os = _interopDefault(require('os')); +var path = _interopDefault(require('path')); +var fs = _interopDefault(require('fs')); +var util = _interopDefault(require('util')); +var module$1 = _interopDefault(require('module')); + +function commonjsRequire () { + throw new Error('Dynamic requires are not currently supported by rollup-plugin-commonjs'); +} + + + +function createCommonjsModule(fn, module) { + return module = { exports: {} }, fn(module, module.exports), module.exports; +} + +var bufferStream = createCommonjsModule(function (module) { + 'use strict'; + + var PassThrough = stream.PassThrough; + + module.exports = function (opts) { + opts = Object.assign({}, opts); + var array = opts.array; + var encoding = opts.encoding; + var buffer = encoding === 'buffer'; + var objectMode = false; + + if (array) { + objectMode = !(encoding || buffer); + } else { + encoding = encoding || 'utf8'; + } + + if (buffer) { + encoding = null; + } + + var len = 0; + var ret = []; + var stream$$1 = new PassThrough({ + objectMode + }); + + if (encoding) { + stream$$1.setEncoding(encoding); + } + + stream$$1.on('data', function (chunk) { + ret.push(chunk); + + if (objectMode) { + len = ret.length; + } else { + len += chunk.length; + } + }); + + stream$$1.getBufferedValue = function () { + if (array) { + return ret; + } + + return buffer ? Buffer.concat(ret, len) : ret.join(''); + }; + + stream$$1.getBufferedLength = function () { + return len; + }; + + return stream$$1; + }; +}); + +function getStream(inputStream, opts) { + if (!inputStream) { + return Promise.reject(new Error('Expected a stream')); + } + + opts = Object.assign({ + maxBuffer: Infinity + }, opts); + var maxBuffer = opts.maxBuffer; + var stream$$1; + var clean; + var p = new Promise(function (resolve, reject) { + var error = function error(err) { + if (err) { + // null check + err.bufferedData = stream$$1.getBufferedValue(); + } + + reject(err); + }; + + stream$$1 = bufferStream(opts); + inputStream.once('error', error); + inputStream.pipe(stream$$1); + stream$$1.on('data', function () { + if (stream$$1.getBufferedLength() > maxBuffer) { + reject(new Error('maxBuffer exceeded')); + } + }); + stream$$1.once('error', error); + stream$$1.on('end', resolve); + + clean = function clean() { + // some streams doesn't implement the `stream.Readable` interface correctly + if (inputStream.unpipe) { + inputStream.unpipe(stream$$1); + } + }; + }); + p.then(clean, clean); + return p.then(function () { + return stream$$1.getBufferedValue(); + }); +} + +var getStream_1 = getStream; + +var buffer = function buffer(stream$$1, opts) { + return getStream(stream$$1, Object.assign({}, opts, { + encoding: 'buffer' + })); +}; + +var array = function array(stream$$1, opts) { + return getStream(stream$$1, Object.assign({}, opts, { + array: true + })); +}; + +getStream_1.buffer = buffer; +getStream_1.array = array; + +function readFile(filepath, options) { + options = options || {}; + var throwNotFound = options.throwNotFound || false; + return new Promise(function (resolve, reject) { + fs.readFile(filepath, 'utf8', function (err, content) { + if (err && err.code === 'ENOENT' && !throwNotFound) { + return resolve(null); + } + + if (err) return reject(err); + resolve(content); + }); + }); +} + +readFile.sync = function readFileSync(filepath, options) { + options = options || {}; + var throwNotFound = options.throwNotFound || false; + + try { + return fs.readFileSync(filepath, 'utf8'); + } catch (err) { + if (err.code === 'ENOENT' && !throwNotFound) { + return null; + } + + throw err; + } +}; + +var readFile_1 = readFile; + +var isArrayish = function isArrayish(obj) { + if (!obj) { + return false; + } + + return obj instanceof Array || Array.isArray(obj) || obj.length >= 0 && obj.splice instanceof Function; +}; + +var errorEx = function errorEx(name, properties) { + if (!name || name.constructor !== String) { + properties = name || {}; + name = Error.name; + } + + var errorExError = function ErrorEXError(message) { + if (!this) { + return new ErrorEXError(message); + } + + message = message instanceof Error ? message.message : message || this.message; + Error.call(this, message); + Error.captureStackTrace(this, errorExError); + this.name = name; + Object.defineProperty(this, 'message', { + configurable: true, + enumerable: false, + get: function get() { + var newMessage = message.split(/\r?\n/g); + + for (var key in properties) { + if (!properties.hasOwnProperty(key)) { + continue; + } + + var modifier = properties[key]; + + if ('message' in modifier) { + newMessage = modifier.message(this[key], newMessage) || newMessage; + + if (!isArrayish(newMessage)) { + newMessage = [newMessage]; + } + } + } + + return newMessage.join('\n'); + }, + set: function set(v) { + message = v; + } + }); + var stackDescriptor = Object.getOwnPropertyDescriptor(this, 'stack'); + var stackGetter = stackDescriptor.get; + var stackValue = stackDescriptor.value; + delete stackDescriptor.value; + delete stackDescriptor.writable; + + stackDescriptor.get = function () { + var stack = stackGetter ? stackGetter.call(this).split(/\r?\n+/g) : stackValue.split(/\r?\n+/g); // starting in Node 7, the stack builder caches the message. + // just replace it. + + stack[0] = this.name + ': ' + this.message; + var lineCount = 1; + + for (var key in properties) { + if (!properties.hasOwnProperty(key)) { + continue; + } + + var modifier = properties[key]; + + if ('line' in modifier) { + var line = modifier.line(this[key]); + + if (line) { + stack.splice(lineCount++, 0, ' ' + line); + } + } + + if ('stack' in modifier) { + modifier.stack(this[key], stack); + } + } + + return stack.join('\n'); + }; + + Object.defineProperty(this, 'stack', stackDescriptor); + }; + + if (Object.setPrototypeOf) { + Object.setPrototypeOf(errorExError.prototype, Error.prototype); + Object.setPrototypeOf(errorExError, Error); + } else { + util.inherits(errorExError, Error); + } + + return errorExError; +}; + +errorEx.append = function (str, def) { + return { + message: function message(v, _message) { + v = v || def; + + if (v) { + _message[0] += ' ' + str.replace('%s', v.toString()); + } + + return _message; + } + }; +}; + +errorEx.line = function (str, def) { + return { + line: function line(v) { + v = v || def; + + if (v) { + return str.replace('%s', v.toString()); + } + + return null; + } + }; +}; + +var errorEx_1 = errorEx; + +var unicode = createCommonjsModule(function (module) { + // This is autogenerated with esprima tools, see: + // https://github.com/ariya/esprima/blob/master/esprima.js + // + // PS: oh God, I hate Unicode + // ECMAScript 5.1/Unicode v6.3.0 NonAsciiIdentifierStart: + var Uni = module.exports; + + module.exports.isWhiteSpace = function isWhiteSpace(x) { + // section 7.2, table 2 + return x === '\u0020' || x === '\u00A0' || x === '\uFEFF' // <-- this is not a Unicode WS, only a JS one + || x >= '\u0009' && x <= '\u000D' // 9 A B C D + // + whitespace characters from unicode, category Zs + || x === '\u1680' || x === '\u180E' || x >= '\u2000' && x <= '\u200A' // 0 1 2 3 4 5 6 7 8 9 A + || x === '\u2028' || x === '\u2029' || x === '\u202F' || x === '\u205F' || x === '\u3000'; + }; + + module.exports.isWhiteSpaceJSON = function isWhiteSpaceJSON(x) { + return x === '\u0020' || x === '\u0009' || x === '\u000A' || x === '\u000D'; + }; + + module.exports.isLineTerminator = function isLineTerminator(x) { + // ok, here is the part when JSON is wrong + // section 7.3, table 3 + return x === '\u000A' || x === '\u000D' || x === '\u2028' || x === '\u2029'; + }; + + module.exports.isLineTerminatorJSON = function isLineTerminatorJSON(x) { + return x === '\u000A' || x === '\u000D'; + }; + + module.exports.isIdentifierStart = function isIdentifierStart(x) { + return x === '$' || x === '_' || x >= 'A' && x <= 'Z' || x >= 'a' && x <= 'z' || x >= '\u0080' && Uni.NonAsciiIdentifierStart.test(x); + }; + + module.exports.isIdentifierPart = function isIdentifierPart(x) { + return x === '$' || x === '_' || x >= 'A' && x <= 'Z' || x >= 'a' && x <= 'z' || x >= '0' && x <= '9' // <-- addition to Start + || x >= '\u0080' && Uni.NonAsciiIdentifierPart.test(x); + }; + + module.exports.NonAsciiIdentifierStart = 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// ECMAScript 5.1/Unicode v6.3.0 NonAsciiIdentifierPart: + + module.exports.NonAsciiIdentifierPart = 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uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]/; +}); + +var parse_1 = createCommonjsModule(function (module) { + /* + * Author: Alex Kocharin + * GIT: https://github.com/rlidwka/jju + * License: WTFPL, grab your copy here: http://www.wtfpl.net/txt/copying/ + */ + // RTFM: http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf + function isHexDigit(x) { + return x >= '0' && x <= '9' || x >= 'A' && x <= 'F' || x >= 'a' && x <= 'f'; + } + + function isOctDigit(x) { + return x >= '0' && x <= '7'; + } + + function isDecDigit(x) { + return x >= '0' && x <= '9'; + } + + var unescapeMap = { + '\'': '\'', + '"': '"', + '\\': '\\', + 'b': '\b', + 'f': '\f', + 'n': '\n', + 'r': '\r', + 't': '\t', + 'v': '\v', + '/': '/' + }; + + function formatError(input, msg, position, lineno, column, json5) { + var result = msg + ' at ' + (lineno + 1) + ':' + (column + 1), + tmppos = position - column - 1, + srcline = '', + underline = ''; + var isLineTerminator = json5 ? unicode.isLineTerminator : unicode.isLineTerminatorJSON; // output no more than 70 characters before the wrong ones + + if (tmppos < position - 70) { + tmppos = position - 70; + } + + while (1) { + var chr = input[++tmppos]; + + if (isLineTerminator(chr) || tmppos === input.length) { + if (position >= tmppos) { + // ending line error, so show it after the last char + underline += '^'; + } + + break; + } + + srcline += chr; + + if (position === tmppos) { + underline += '^'; + } else if (position > tmppos) { + underline += input[tmppos] === '\t' ? '\t' : ' '; + } // output no more than 78 characters on the string + + + if (srcline.length > 78) break; + } + + return result + '\n' + srcline + '\n' + underline; + } + + function parse(input, options) { + // parse as a standard JSON mode + var json5 = !(options.mode === 'json' || options.legacy); + var isLineTerminator = json5 ? unicode.isLineTerminator : unicode.isLineTerminatorJSON; + var isWhiteSpace = json5 ? unicode.isWhiteSpace : unicode.isWhiteSpaceJSON; + var length = input.length, + lineno = 0, + linestart = 0, + position = 0, + stack = []; + + var tokenStart = function tokenStart() {}; + + var tokenEnd = function tokenEnd(v) { + return v; + }; + /* tokenize({ + raw: '...', + type: 'whitespace'|'comment'|'key'|'literal'|'separator'|'newline', + value: 'number'|'string'|'whatever', + path: [...], + }) + */ + + + if (options._tokenize) { + + + (function () { + var start = null; + + tokenStart = function tokenStart() { + if (start !== null) throw Error('internal error, token overlap'); + start = position; + }; + + tokenEnd = function tokenEnd(v, type) { + if (start != position) { + var hash = { + raw: input.substr(start, position - start), + type: type, + stack: stack.slice(0) + }; + if (v !== undefined) hash.value = v; + + options._tokenize.call(null, hash); + } + + start = null; + return v; + }; + })(); + } + + function fail(msg) { + var column = position - linestart; + + if (!msg) { + if (position < length) { + var token = '\'' + JSON.stringify(input[position]).replace(/^"|"$/g, '').replace(/'/g, "\\'").replace(/\\"/g, '"') + '\''; + if (!msg) msg = 'Unexpected token ' + token; + } else { + if (!msg) msg = 'Unexpected end of input'; + } + } + + var error = SyntaxError(formatError(input, msg, position, lineno, column, json5)); + error.row = lineno + 1; + error.column = column + 1; + throw error; + } + + function newline(chr) { + // account for + if (chr === '\r' && input[position] === '\n') position++; + linestart = position; + lineno++; + } + + function parseGeneric() { + var result; + + while (position < length) { + tokenStart(); + var chr = input[position++]; + + if (chr === '"' || chr === '\'' && json5) { + return tokenEnd(parseString(chr), 'literal'); + } else if (chr === '{') { + tokenEnd(undefined, 'separator'); + return parseObject(); + } else if (chr === '[') { + tokenEnd(undefined, 'separator'); + return parseArray(); + } else if (chr === '-' || chr === '.' || isDecDigit(chr) // + number Infinity NaN + || json5 && (chr === '+' || chr === 'I' || chr === 'N')) { + return tokenEnd(parseNumber(), 'literal'); + } else if (chr === 'n') { + parseKeyword('null'); + return tokenEnd(null, 'literal'); + } else if (chr === 't') { + parseKeyword('true'); + return tokenEnd(true, 'literal'); + } else if (chr === 'f') { + parseKeyword('false'); + return tokenEnd(false, 'literal'); + } else { + position--; + return tokenEnd(undefined); + } + } + } + + function parseKey() { + var result; + + while (position < length) { + tokenStart(); + var chr = input[position++]; + + if (chr === '"' || chr === '\'' && json5) { + return tokenEnd(parseString(chr), 'key'); + } else if (chr === '{') { + tokenEnd(undefined, 'separator'); + return parseObject(); + } else if (chr === '[') { + tokenEnd(undefined, 'separator'); + return parseArray(); + } else if (chr === '.' || isDecDigit(chr)) { + return tokenEnd(parseNumber(true), 'key'); + } else if (json5 && unicode.isIdentifierStart(chr) || chr === '\\' && input[position] === 'u') { + // unicode char or a unicode sequence + var rollback = position - 1; + var result = parseIdentifier(); + + if (result === undefined) { + position = rollback; + return tokenEnd(undefined); + } else { + return tokenEnd(result, 'key'); + } + } else { + position--; + return tokenEnd(undefined); + } + } + } + + function skipWhiteSpace() { + tokenStart(); + + while (position < length) { + var chr = input[position++]; + + if (isLineTerminator(chr)) { + position--; + tokenEnd(undefined, 'whitespace'); + tokenStart(); + position++; + newline(chr); + tokenEnd(undefined, 'newline'); + tokenStart(); + } else if (isWhiteSpace(chr)) {// nothing + } else if (chr === '/' && json5 && (input[position] === '/' || input[position] === '*')) { + position--; + tokenEnd(undefined, 'whitespace'); + tokenStart(); + position++; + skipComment(input[position++] === '*'); + tokenEnd(undefined, 'comment'); + tokenStart(); + } else { + position--; + break; + } + } + + return tokenEnd(undefined, 'whitespace'); + } + + function skipComment(multi) { + while (position < length) { + var chr = input[position++]; + + if (isLineTerminator(chr)) { + // LineTerminator is an end of singleline comment + if (!multi) { + // let parent function deal with newline + position--; + return; + } + + newline(chr); + } else if (chr === '*' && multi) { + // end of multiline comment + if (input[position] === '/') { + position++; + return; + } + } else {// nothing + } + } + + if (multi) { + fail('Unclosed multiline comment'); + } + } + + function parseKeyword(keyword) { + // keyword[0] is not checked because it should've checked earlier + var _pos = position; + var len = keyword.length; + + for (var i = 1; i < len; i++) { + if (position >= length || keyword[i] != input[position]) { + position = _pos - 1; + fail(); + } + + position++; + } + } + + function parseObject() { + var result = options.null_prototype ? Object.create(null) : {}, + empty_object = {}, + is_non_empty = false; + + while (position < length) { + skipWhiteSpace(); + var item1 = parseKey(); + skipWhiteSpace(); + tokenStart(); + var chr = input[position++]; + tokenEnd(undefined, 'separator'); + + if (chr === '}' && item1 === undefined) { + if (!json5 && is_non_empty) { + position--; + fail('Trailing comma in object'); + } + + return result; + } else if (chr === ':' && item1 !== undefined) { + skipWhiteSpace(); + stack.push(item1); + var item2 = parseGeneric(); + stack.pop(); + if (item2 === undefined) fail('No value found for key ' + item1); + + if (typeof item1 !== 'string') { + if (!json5 || typeof item1 !== 'number') { + fail('Wrong key type: ' + item1); + } + } + + if ((item1 in empty_object || empty_object[item1] != null) && options.reserved_keys !== 'replace') { + if (options.reserved_keys === 'throw') { + fail('Reserved key: ' + item1); + } else {// silently ignore it + } + } else { + if (typeof options.reviver === 'function') { + item2 = options.reviver.call(null, item1, item2); + } + + if (item2 !== undefined) { + is_non_empty = true; + Object.defineProperty(result, item1, { + value: item2, + enumerable: true, + configurable: true, + writable: true + }); + } + } + + skipWhiteSpace(); + tokenStart(); + var chr = input[position++]; + tokenEnd(undefined, 'separator'); + + if (chr === ',') { + continue; + } else if (chr === '}') { + return result; + } else { + fail(); + } + } else { + position--; + fail(); + } + } + + fail(); + } + + function parseArray() { + var result = []; + + while (position < length) { + skipWhiteSpace(); + stack.push(result.length); + var item = parseGeneric(); + stack.pop(); + skipWhiteSpace(); + tokenStart(); + var chr = input[position++]; + tokenEnd(undefined, 'separator'); + + if (item !== undefined) { + if (typeof options.reviver === 'function') { + item = options.reviver.call(null, String(result.length), item); + } + + if (item === undefined) { + result.length++; + item = true; // hack for check below, not included into result + } else { + result.push(item); + } + } + + if (chr === ',') { + if (item === undefined) { + fail('Elisions are not supported'); + } + } else if (chr === ']') { + if (!json5 && item === undefined && result.length) { + position--; + fail('Trailing comma in array'); + } + + return result; + } else { + position--; + fail(); + } + } + } + + function parseNumber() { + // rewind because we don't know first char + position--; + var start = position, + chr = input[position++], + t; + + var to_num = function to_num(is_octal) { + var str = input.substr(start, position - start); + + if (is_octal) { + var result = parseInt(str.replace(/^0o?/, ''), 8); + } else { + var result = Number(str); + } + + if (Number.isNaN(result)) { + position--; + fail('Bad numeric literal - "' + input.substr(start, position - start + 1) + '"'); + } else if (!json5 && !str.match(/^-?(0|[1-9][0-9]*)(\.[0-9]+)?(e[+-]?[0-9]+)?$/i)) { + // additional restrictions imposed by json + position--; + fail('Non-json numeric literal - "' + input.substr(start, position - start + 1) + '"'); + } else { + return result; + } + }; // ex: -5982475.249875e+29384 + // ^ skipping this + + + if (chr === '-' || chr === '+' && json5) chr = input[position++]; + + if (chr === 'N' && json5) { + parseKeyword('NaN'); + return NaN; + } + + if (chr === 'I' && json5) { + parseKeyword('Infinity'); // returning +inf or -inf + + return to_num(); + } + + if (chr >= '1' && chr <= '9') { + // ex: -5982475.249875e+29384 + // ^^^ skipping these + while (position < length && isDecDigit(input[position])) { + position++; + } + + chr = input[position++]; + } // special case for leading zero: 0.123456 + + + if (chr === '0') { + chr = input[position++]; // new syntax, "0o777" old syntax, "0777" + + var is_octal = chr === 'o' || chr === 'O' || isOctDigit(chr); + var is_hex = chr === 'x' || chr === 'X'; + + if (json5 && (is_octal || is_hex)) { + while (position < length && (is_hex ? isHexDigit : isOctDigit)(input[position])) { + position++; + } + + var sign = 1; + + if (input[start] === '-') { + sign = -1; + start++; + } else if (input[start] === '+') { + start++; + } + + return sign * to_num(is_octal); + } + } + + if (chr === '.') { + // ex: -5982475.249875e+29384 + // ^^^ skipping these + while (position < length && isDecDigit(input[position])) { + position++; + } + + chr = input[position++]; + } + + if (chr === 'e' || chr === 'E') { + chr = input[position++]; + if (chr === '-' || chr === '+') position++; // ex: -5982475.249875e+29384 + // ^^^ skipping these + + while (position < length && isDecDigit(input[position])) { + position++; + } + + chr = input[position++]; + } // we have char in the buffer, so count for it + + + position--; + return to_num(); + } + + function parseIdentifier() { + // rewind because we don't know first char + position--; + var result = ''; + + while (position < length) { + var chr = input[position++]; + + if (chr === '\\' && input[position] === 'u' && isHexDigit(input[position + 1]) && isHexDigit(input[position + 2]) && isHexDigit(input[position + 3]) && isHexDigit(input[position + 4])) { + // UnicodeEscapeSequence + chr = String.fromCharCode(parseInt(input.substr(position + 1, 4), 16)); + position += 5; + } + + if (result.length) { + // identifier started + if (unicode.isIdentifierPart(chr)) { + result += chr; + } else { + position--; + return result; + } + } else { + if (unicode.isIdentifierStart(chr)) { + result += chr; + } else { + return undefined; + } + } + } + + fail(); + } + + function parseString(endChar) { + // 7.8.4 of ES262 spec + var result = ''; + + while (position < length) { + var chr = input[position++]; + + if (chr === endChar) { + return result; + } else if (chr === '\\') { + if (position >= length) fail(); + chr = input[position++]; + + if (unescapeMap[chr] && (json5 || chr != 'v' && chr != "'")) { + result += unescapeMap[chr]; + } else if (json5 && isLineTerminator(chr)) { + // line continuation + newline(chr); + } else if (chr === 'u' || chr === 'x' && json5) { + // unicode/character escape sequence + var off = chr === 'u' ? 4 : 2; // validation for \uXXXX + + for (var i = 0; i < off; i++) { + if (position >= length) fail(); + if (!isHexDigit(input[position])) fail('Bad escape sequence'); + position++; + } + + result += String.fromCharCode(parseInt(input.substr(position - off, off), 16)); + } else if (json5 && isOctDigit(chr)) { + if (chr < '4' && isOctDigit(input[position]) && isOctDigit(input[position + 1])) { + // three-digit octal + var digits = 3; + } else if (isOctDigit(input[position])) { + // two-digit octal + var digits = 2; + } else { + var digits = 1; + } + + position += digits - 1; + result += String.fromCharCode(parseInt(input.substr(position - digits, digits), 8)); + /*if (!isOctDigit(input[position])) { + // \0 is allowed still + result += '\0' + } else { + fail('Octal literals are not supported') + }*/ + } else if (json5) { + // \X -> x + result += chr; + } else { + position--; + fail(); + } + } else if (isLineTerminator(chr)) { + fail(); + } else { + if (!json5 && chr.charCodeAt(0) < 32) { + position--; + fail('Unexpected control character'); + } // SourceCharacter but not one of " or \ or LineTerminator + + + result += chr; + } + } + + fail(); + } + + skipWhiteSpace(); + var return_value = parseGeneric(); + + if (return_value !== undefined || position < length) { + skipWhiteSpace(); + + if (position >= length) { + if (typeof options.reviver === 'function') { + return_value = options.reviver.call(null, '', return_value); + } + + return return_value; + } else { + fail(); + } + } else { + if (position) { + fail('No data, only a whitespace'); + } else { + fail('No data, empty input'); + } + } + } + /* + * parse(text, options) + * or + * parse(text, reviver) + * + * where: + * text - string + * options - object + * reviver - function + */ + + + module.exports.parse = function parseJSON(input, options) { + // support legacy functions + if (typeof options === 'function') { + options = { + reviver: options + }; + } + + if (input === undefined) { + // parse(stringify(x)) should be equal x + // with JSON functions it is not 'cause of undefined + // so we're fixing it + return undefined; + } // JSON.parse compat + + + if (typeof input !== 'string') input = String(input); + if (options == null) options = {}; + if (options.reserved_keys == null) options.reserved_keys = 'ignore'; + + if (options.reserved_keys === 'throw' || options.reserved_keys === 'ignore') { + if (options.null_prototype == null) { + options.null_prototype = true; + } + } + + try { + return parse(input, options); + } catch (err) { + // jju is a recursive parser, so JSON.parse("{{{{{{{") could blow up the stack + // + // this catch is used to skip all those internal calls + if (err instanceof SyntaxError && err.row != null && err.column != null) { + var old_err = err; + err = SyntaxError(old_err.message); + err.column = old_err.column; + err.row = old_err.row; + } + + throw err; + } + }; + + module.exports.tokenize = function tokenizeJSON(input, options) { + if (options == null) options = {}; + + options._tokenize = function (smth) { + if (options._addstack) smth.stack.unshift.apply(smth.stack, options._addstack); + tokens.push(smth); + }; + + var tokens = []; + tokens.data = module.exports.parse(input, options); + return tokens; + }; +}); + +var parseJson = createCommonjsModule(function (module) { + 'use strict'; + + function appendPosition(message) { + var posRe = / at (\d+:\d+) in/; + var numbers = posRe.exec(message); + return message.replace(posRe, ' in') + ':' + numbers[1]; + } + + var JSONError = errorEx_1('JSONError', { + fileName: errorEx_1.append('in %s'), + appendPosition: { + message: function message(shouldAppend, original) { + if (shouldAppend) { + original[0] = appendPosition(original[0]); + } + + return original; + } + } + }); + + module.exports = function (input, reviver, filename) { + if (typeof reviver === 'string') { + filename = reviver; + reviver = null; + } + + try { + try { + return JSON.parse(input, reviver); + } catch (err) { + parse_1.parse(input, { + mode: 'json', + reviver + }); + throw err; + } + } catch (err) { + var jsonErr = new JSONError(err); + + if (filename) { + jsonErr.fileName = filename; + jsonErr.appendPosition = true; + } + + throw jsonErr; + } + }; +}); + +var parseJson_1 = function parseJsonWrapper(json, filepath) { + try { + return parseJson(json); + } catch (err) { + err.message = `JSON Error in ${filepath}:\n${err.message}`; + throw err; + } +}; + +var loadPackageProp = function loadPackageProp(packageDir, options) { + var packagePath = path.join(packageDir, 'package.json'); + + function parseContent(content) { + if (!content) return null; + var parsedContent = parseJson_1(content, packagePath); + var packagePropValue = parsedContent[options.packageProp]; + if (!packagePropValue) return null; + return { + config: packagePropValue, + filepath: packagePath + }; + } + + return !options.sync ? readFile_1(packagePath).then(parseContent) : parseContent(readFile_1.sync(packagePath)); +}; + +function isNothing(subject) { + return typeof subject === 'undefined' || subject === null; +} + +function isObject(subject) { + return typeof subject === 'object' && subject !== null; +} + +function toArray(sequence) { + if (Array.isArray(sequence)) return sequence;else if (isNothing(sequence)) return []; + return [sequence]; +} + +function extend(target, source) { + var index, length, key, sourceKeys; + + if (source) { + sourceKeys = Object.keys(source); + + for (index = 0, length = sourceKeys.length; index < length; index += 1) { + key = sourceKeys[index]; + target[key] = source[key]; + } + } + + return target; +} + +function repeat(string, count) { + var result = '', + cycle; + + for (cycle = 0; cycle < count; cycle += 1) { + result += string; + } + + return result; +} + +function isNegativeZero(number) { + return number === 0 && Number.NEGATIVE_INFINITY === 1 / number; +} + +var isNothing_1 = isNothing; +var isObject_1 = isObject; +var toArray_1 = toArray; +var repeat_1 = repeat; +var isNegativeZero_1 = isNegativeZero; +var extend_1 = extend; +var common = { + isNothing: isNothing_1, + isObject: isObject_1, + toArray: toArray_1, + repeat: repeat_1, + isNegativeZero: isNegativeZero_1, + extend: extend_1 +}; + +// YAML error class. http://stackoverflow.com/questions/8458984 +// +function YAMLException$1(reason, mark) { + // Super constructor + Error.call(this); + this.name = 'YAMLException'; + this.reason = reason; + this.mark = mark; + this.message = (this.reason || '(unknown reason)') + (this.mark ? ' ' + this.mark.toString() : ''); // Include stack trace in error object + + if (Error.captureStackTrace) { + // Chrome and NodeJS + Error.captureStackTrace(this, this.constructor); + } else { + // FF, IE 10+ and Safari 6+. Fallback for others + this.stack = new Error().stack || ''; + } +} // Inherit from Error + + +YAMLException$1.prototype = Object.create(Error.prototype); +YAMLException$1.prototype.constructor = YAMLException$1; + +YAMLException$1.prototype.toString = function toString(compact) { + var result = this.name + ': '; + result += this.reason || '(unknown reason)'; + + if (!compact && this.mark) { + result += ' ' + this.mark.toString(); + } + + return result; +}; + +var exception = YAMLException$1; + +function Mark(name, buffer, position, line, column) { + this.name = name; + this.buffer = buffer; + this.position = position; + this.line = line; + this.column = column; +} + +Mark.prototype.getSnippet = function getSnippet(indent, maxLength) { + var head, start, tail, end, snippet; + if (!this.buffer) return null; + indent = indent || 4; + maxLength = maxLength || 75; + head = ''; + start = this.position; + + while (start > 0 && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(start - 1)) === -1) { + start -= 1; + + if (this.position - start > maxLength / 2 - 1) { + head = ' ... '; + start += 5; + break; + } + } + + tail = ''; + end = this.position; + + while (end < this.buffer.length && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(end)) === -1) { + end += 1; + + if (end - this.position > maxLength / 2 - 1) { + tail = ' ... '; + end -= 5; + break; + } + } + + snippet = this.buffer.slice(start, end); + return common.repeat(' ', indent) + head + snippet + tail + '\n' + common.repeat(' ', indent + this.position - start + head.length) + '^'; +}; + +Mark.prototype.toString = function toString(compact) { + var snippet, + where = ''; + + if (this.name) { + where += 'in "' + this.name + '" '; + } + + where += 'at line ' + (this.line + 1) + ', column ' + (this.column + 1); + + if (!compact) { + snippet = this.getSnippet(); + + if (snippet) { + where += ':\n' + snippet; + } + } + + return where; +}; + +var mark = Mark; + +var TYPE_CONSTRUCTOR_OPTIONS = ['kind', 'resolve', 'construct', 'instanceOf', 'predicate', 'represent', 'defaultStyle', 'styleAliases']; +var YAML_NODE_KINDS = ['scalar', 'sequence', 'mapping']; + +function compileStyleAliases(map) { + var result = {}; + + if (map !== null) { + Object.keys(map).forEach(function (style) { + map[style].forEach(function (alias) { + result[String(alias)] = style; + }); + }); + } + + return result; +} + +function Type$1(tag, options) { + options = options || {}; + Object.keys(options).forEach(function (name) { + if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) { + throw new exception('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.'); + } + }); // TODO: Add tag format check. + + this.tag = tag; + this.kind = options['kind'] || null; + + this.resolve = options['resolve'] || function () { + return true; + }; + + this.construct = options['construct'] || function (data) { + return data; + }; + + this.instanceOf = options['instanceOf'] || null; + this.predicate = options['predicate'] || null; + this.represent = options['represent'] || null; + this.defaultStyle = options['defaultStyle'] || null; + this.styleAliases = compileStyleAliases(options['styleAliases'] || null); + + if (YAML_NODE_KINDS.indexOf(this.kind) === -1) { + throw new exception('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.'); + } +} + +var type = Type$1; + +/*eslint-disable max-len*/ + + +function compileList(schema, name, result) { + var exclude = []; + schema.include.forEach(function (includedSchema) { + result = compileList(includedSchema, name, result); + }); + schema[name].forEach(function (currentType) { + result.forEach(function (previousType, previousIndex) { + if (previousType.tag === currentType.tag && previousType.kind === currentType.kind) { + exclude.push(previousIndex); + } + }); + result.push(currentType); + }); + return result.filter(function (type$$1, index) { + return exclude.indexOf(index) === -1; + }); +} + +function compileMap() +/* lists... */ +{ + var result = { + scalar: {}, + sequence: {}, + mapping: {}, + fallback: {} + }, + index, + length; + + function collectType(type$$1) { + result[type$$1.kind][type$$1.tag] = result['fallback'][type$$1.tag] = type$$1; + } + + for (index = 0, length = arguments.length; index < length; index += 1) { + arguments[index].forEach(collectType); + } + + return result; +} + +function Schema$1(definition) { + this.include = definition.include || []; + this.implicit = definition.implicit || []; + this.explicit = definition.explicit || []; + this.implicit.forEach(function (type$$1) { + if (type$$1.loadKind && type$$1.loadKind !== 'scalar') { + throw new exception('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.'); + } + }); + this.compiledImplicit = compileList(this, 'implicit', []); + this.compiledExplicit = compileList(this, 'explicit', []); + this.compiledTypeMap = compileMap(this.compiledImplicit, this.compiledExplicit); +} + +Schema$1.DEFAULT = null; + +Schema$1.create = function createSchema() { + var schemas, types; + + switch (arguments.length) { + case 1: + schemas = Schema$1.DEFAULT; + types = arguments[0]; + break; + + case 2: + schemas = arguments[0]; + types = arguments[1]; + break; + + default: + throw new exception('Wrong number of arguments for Schema.create function'); + } + + schemas = common.toArray(schemas); + types = common.toArray(types); + + if (!schemas.every(function (schema) { + return schema instanceof Schema$1; + })) { + throw new exception('Specified list of super schemas (or a single Schema object) contains a non-Schema object.'); + } + + if (!types.every(function (type$$1) { + return type$$1 instanceof type; + })) { + throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.'); + } + + return new Schema$1({ + include: schemas, + explicit: types + }); +}; + +var schema = Schema$1; + +var str = new type('tag:yaml.org,2002:str', { + kind: 'scalar', + construct: function construct(data) { + return data !== null ? data : ''; + } +}); + +var seq = new type('tag:yaml.org,2002:seq', { + kind: 'sequence', + construct: function construct(data) { + return data !== null ? data : []; + } +}); + +var map = new type('tag:yaml.org,2002:map', { + kind: 'mapping', + construct: function construct(data) { + return data !== null ? data : {}; + } +}); + +var failsafe = new schema({ + explicit: [str, seq, map] +}); + +function resolveYamlNull(data) { + if (data === null) return true; + var max = data.length; + return max === 1 && data === '~' || max === 4 && (data === 'null' || data === 'Null' || data === 'NULL'); +} + +function constructYamlNull() { + return null; +} + +function isNull(object) { + return object === null; +} + +var _null = new type('tag:yaml.org,2002:null', { + kind: 'scalar', + resolve: resolveYamlNull, + construct: constructYamlNull, + predicate: isNull, + represent: { + canonical: function canonical() { + return '~'; + }, + lowercase: function lowercase() { + return 'null'; + }, + uppercase: function uppercase() { + return 'NULL'; + }, + camelcase: function camelcase() { + return 'Null'; + } + }, + defaultStyle: 'lowercase' +}); + +function resolveYamlBoolean(data) { + if (data === null) return false; + var max = data.length; + return max === 4 && (data === 'true' || data === 'True' || data === 'TRUE') || max === 5 && (data === 'false' || data === 'False' || data === 'FALSE'); +} + +function constructYamlBoolean(data) { + return data === 'true' || data === 'True' || data === 'TRUE'; +} + +function isBoolean(object) { + return Object.prototype.toString.call(object) === '[object Boolean]'; +} + +var bool = new type('tag:yaml.org,2002:bool', { + kind: 'scalar', + resolve: resolveYamlBoolean, + construct: constructYamlBoolean, + predicate: isBoolean, + represent: { + lowercase: function lowercase(object) { + return object ? 'true' : 'false'; + }, + uppercase: function uppercase(object) { + return object ? 'TRUE' : 'FALSE'; + }, + camelcase: function camelcase(object) { + return object ? 'True' : 'False'; + } + }, + defaultStyle: 'lowercase' +}); + +function isHexCode(c) { + return 0x30 + /* 0 */ + <= c && c <= 0x39 + /* 9 */ + || 0x41 + /* A */ + <= c && c <= 0x46 + /* F */ + || 0x61 + /* a */ + <= c && c <= 0x66 + /* f */ + ; +} + +function isOctCode(c) { + return 0x30 + /* 0 */ + <= c && c <= 0x37 + /* 7 */ + ; +} + +function isDecCode(c) { + return 0x30 + /* 0 */ + <= c && c <= 0x39 + /* 9 */ + ; +} + +function resolveYamlInteger(data) { + if (data === null) return false; + var max = data.length, + index = 0, + hasDigits = false, + ch; + if (!max) return false; + ch = data[index]; // sign + + if (ch === '-' || ch === '+') { + ch = data[++index]; + } + + if (ch === '0') { + // 0 + if (index + 1 === max) return true; + ch = data[++index]; // base 2, base 8, base 16 + + if (ch === 'b') { + // base 2 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (ch !== '0' && ch !== '1') return false; + hasDigits = true; + } + + return hasDigits && ch !== '_'; + } + + if (ch === 'x') { + // base 16 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isHexCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + + return hasDigits && ch !== '_'; + } // base 8 + + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isOctCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + + return hasDigits && ch !== '_'; + } // base 10 (except 0) or base 60 + // value should not start with `_`; + + + if (ch === '_') return false; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (ch === ':') break; + + if (!isDecCode(data.charCodeAt(index))) { + return false; + } + + hasDigits = true; + } // Should have digits and should not end with `_` + + + if (!hasDigits || ch === '_') return false; // if !base60 - done; + + if (ch !== ':') return true; // base60 almost not used, no needs to optimize + + return /^(:[0-5]?[0-9])+$/.test(data.slice(index)); +} + +function constructYamlInteger(data) { + var value = data, + sign = 1, + ch, + base, + digits = []; + + if (value.indexOf('_') !== -1) { + value = value.replace(/_/g, ''); + } + + ch = value[0]; + + if (ch === '-' || ch === '+') { + if (ch === '-') sign = -1; + value = value.slice(1); + ch = value[0]; + } + + if (value === '0') return 0; + + if (ch === '0') { + if (value[1] === 'b') return sign * parseInt(value.slice(2), 2); + if (value[1] === 'x') return sign * parseInt(value, 16); + return sign * parseInt(value, 8); + } + + if (value.indexOf(':') !== -1) { + value.split(':').forEach(function (v) { + digits.unshift(parseInt(v, 10)); + }); + value = 0; + base = 1; + digits.forEach(function (d) { + value += d * base; + base *= 60; + }); + return sign * value; + } + + return sign * parseInt(value, 10); +} + +function isInteger(object) { + return Object.prototype.toString.call(object) === '[object Number]' && object % 1 === 0 && !common.isNegativeZero(object); +} + +var int_1 = new type('tag:yaml.org,2002:int', { + kind: 'scalar', + resolve: resolveYamlInteger, + construct: constructYamlInteger, + predicate: isInteger, + represent: { + binary: function binary(object) { + return '0b' + object.toString(2); + }, + octal: function octal(object) { + return '0' + object.toString(8); + }, + decimal: function decimal(object) { + return object.toString(10); + }, + hexadecimal: function hexadecimal(object) { + return '0x' + object.toString(16).toUpperCase(); + } + }, + defaultStyle: 'decimal', + styleAliases: { + binary: [2, 'bin'], + octal: [8, 'oct'], + decimal: [10, 'dec'], + hexadecimal: [16, 'hex'] + } +}); + +var YAML_FLOAT_PATTERN = new RegExp( // 2.5e4, 2.5 and integers +'^(?:[-+]?(?:0|[1-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' + // .2e4, .2 +// special case, seems not from spec +'|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' + // 20:59 +'|[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\\.[0-9_]*' + // .inf +'|[-+]?\\.(?:inf|Inf|INF)' + // .nan +'|\\.(?:nan|NaN|NAN))$'); + +function resolveYamlFloat(data) { + if (data === null) return false; + + if (!YAML_FLOAT_PATTERN.test(data) || // Quick hack to not allow integers end with `_` + // Probably should update regexp & check speed + data[data.length - 1] === '_') { + return false; + } + + return true; +} + +function constructYamlFloat(data) { + var value, sign, base, digits; + value = data.replace(/_/g, '').toLowerCase(); + sign = value[0] === '-' ? -1 : 1; + digits = []; + + if ('+-'.indexOf(value[0]) >= 0) { + value = value.slice(1); + } + + if (value === '.inf') { + return sign === 1 ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY; + } else if (value === '.nan') { + return NaN; + } else if (value.indexOf(':') >= 0) { + value.split(':').forEach(function (v) { + digits.unshift(parseFloat(v, 10)); + }); + value = 0.0; + base = 1; + digits.forEach(function (d) { + value += d * base; + base *= 60; + }); + return sign * value; + } + + return sign * parseFloat(value, 10); +} + +var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/; + +function representYamlFloat(object, style) { + var res; + + if (isNaN(object)) { + switch (style) { + case 'lowercase': + return '.nan'; + + case 'uppercase': + return '.NAN'; + + case 'camelcase': + return '.NaN'; + } + } else if (Number.POSITIVE_INFINITY === object) { + switch (style) { + case 'lowercase': + return '.inf'; + + case 'uppercase': + return '.INF'; + + case 'camelcase': + return '.Inf'; + } + } else if (Number.NEGATIVE_INFINITY === object) { + switch (style) { + case 'lowercase': + return '-.inf'; + + case 'uppercase': + return '-.INF'; + + case 'camelcase': + return '-.Inf'; + } + } else if (common.isNegativeZero(object)) { + return '-0.0'; + } + + res = object.toString(10); // JS stringifier can build scientific format without dots: 5e-100, + // while YAML requres dot: 5.e-100. Fix it with simple hack + + return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res; +} + +function isFloat(object) { + return Object.prototype.toString.call(object) === '[object Number]' && (object % 1 !== 0 || common.isNegativeZero(object)); +} + +var float_1 = new type('tag:yaml.org,2002:float', { + kind: 'scalar', + resolve: resolveYamlFloat, + construct: constructYamlFloat, + predicate: isFloat, + represent: representYamlFloat, + defaultStyle: 'lowercase' +}); + +var json = new schema({ + include: [failsafe], + implicit: [_null, bool, int_1, float_1] +}); + +var core = new schema({ + include: [json] +}); + +var YAML_DATE_REGEXP = new RegExp('^([0-9][0-9][0-9][0-9])' + // [1] year +'-([0-9][0-9])' + // [2] month +'-([0-9][0-9])$'); // [3] day + +var YAML_TIMESTAMP_REGEXP = new RegExp('^([0-9][0-9][0-9][0-9])' + // [1] year +'-([0-9][0-9]?)' + // [2] month +'-([0-9][0-9]?)' + // [3] day +'(?:[Tt]|[ \\t]+)' + // ... +'([0-9][0-9]?)' + // [4] hour +':([0-9][0-9])' + // [5] minute +':([0-9][0-9])' + // [6] second +'(?:\\.([0-9]*))?' + // [7] fraction +'(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour +'(?::([0-9][0-9]))?))?$'); // [11] tz_minute + +function resolveYamlTimestamp(data) { + if (data === null) return false; + if (YAML_DATE_REGEXP.exec(data) !== null) return true; + if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true; + return false; +} + +function constructYamlTimestamp(data) { + var match, + year, + month, + day, + hour, + minute, + second, + fraction = 0, + delta = null, + tz_hour, + tz_minute, + date; + match = YAML_DATE_REGEXP.exec(data); + if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data); + if (match === null) throw new Error('Date resolve error'); // match: [1] year [2] month [3] day + + year = +match[1]; + month = +match[2] - 1; // JS month starts with 0 + + day = +match[3]; + + if (!match[4]) { + // no hour + return new Date(Date.UTC(year, month, day)); + } // match: [4] hour [5] minute [6] second [7] fraction + + + hour = +match[4]; + minute = +match[5]; + second = +match[6]; + + if (match[7]) { + fraction = match[7].slice(0, 3); + + while (fraction.length < 3) { + // milli-seconds + fraction += '0'; + } + + fraction = +fraction; + } // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute + + + if (match[9]) { + tz_hour = +match[10]; + tz_minute = +(match[11] || 0); + delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds + + if (match[9] === '-') delta = -delta; + } + + date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction)); + if (delta) date.setTime(date.getTime() - delta); + return date; +} + +function representYamlTimestamp(object +/*, style*/ +) { + return object.toISOString(); +} + +var timestamp = new type('tag:yaml.org,2002:timestamp', { + kind: 'scalar', + resolve: resolveYamlTimestamp, + construct: constructYamlTimestamp, + instanceOf: Date, + represent: representYamlTimestamp +}); + +function resolveYamlMerge(data) { + return data === '<<' || data === null; +} + +var merge = new type('tag:yaml.org,2002:merge', { + kind: 'scalar', + resolve: resolveYamlMerge +}); + +/*eslint-disable no-bitwise*/ + + +var NodeBuffer; + +try { + // A trick for browserified version, to not include `Buffer` shim + var _require = commonjsRequire; + NodeBuffer = _require('buffer').Buffer; +} catch (__) {} // [ 64, 65, 66 ] -> [ padding, CR, LF ] + + +var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r'; + +function resolveYamlBinary(data) { + if (data === null) return false; + var code, + idx, + bitlen = 0, + max = data.length, + map = BASE64_MAP; // Convert one by one. + + for (idx = 0; idx < max; idx++) { + code = map.indexOf(data.charAt(idx)); // Skip CR/LF + + if (code > 64) continue; // Fail on illegal characters + + if (code < 0) return false; + bitlen += 6; + } // If there are any bits left, source was corrupted + + + return bitlen % 8 === 0; +} + +function constructYamlBinary(data) { + var idx, + tailbits, + input = data.replace(/[\r\n=]/g, ''), + // remove CR/LF & padding to simplify scan + max = input.length, + map = BASE64_MAP, + bits = 0, + result = []; // Collect by 6*4 bits (3 bytes) + + for (idx = 0; idx < max; idx++) { + if (idx % 4 === 0 && idx) { + result.push(bits >> 16 & 0xFF); + result.push(bits >> 8 & 0xFF); + result.push(bits & 0xFF); + } + + bits = bits << 6 | map.indexOf(input.charAt(idx)); + } // Dump tail + + + tailbits = max % 4 * 6; + + if (tailbits === 0) { + result.push(bits >> 16 & 0xFF); + result.push(bits >> 8 & 0xFF); + result.push(bits & 0xFF); + } else if (tailbits === 18) { + result.push(bits >> 10 & 0xFF); + result.push(bits >> 2 & 0xFF); + } else if (tailbits === 12) { + result.push(bits >> 4 & 0xFF); + } // Wrap into Buffer for NodeJS and leave Array for browser + + + if (NodeBuffer) { + // Support node 6.+ Buffer API when available + return NodeBuffer.from ? NodeBuffer.from(result) : new NodeBuffer(result); + } + + return result; +} + +function representYamlBinary(object +/*, style*/ +) { + var result = '', + bits = 0, + idx, + tail, + max = object.length, + map = BASE64_MAP; // Convert every three bytes to 4 ASCII characters. + + for (idx = 0; idx < max; idx++) { + if (idx % 3 === 0 && idx) { + result += map[bits >> 18 & 0x3F]; + result += map[bits >> 12 & 0x3F]; + result += map[bits >> 6 & 0x3F]; + result += map[bits & 0x3F]; + } + + bits = (bits << 8) + object[idx]; + } // Dump tail + + + tail = max % 3; + + if (tail === 0) { + result += map[bits >> 18 & 0x3F]; + result += map[bits >> 12 & 0x3F]; + result += map[bits >> 6 & 0x3F]; + result += map[bits & 0x3F]; + } else if (tail === 2) { + result += map[bits >> 10 & 0x3F]; + result += map[bits >> 4 & 0x3F]; + result += map[bits << 2 & 0x3F]; + result += map[64]; + } else if (tail === 1) { + result += map[bits >> 2 & 0x3F]; + result += map[bits << 4 & 0x3F]; + result += map[64]; + result += map[64]; + } + + return result; +} + +function isBinary(object) { + return NodeBuffer && NodeBuffer.isBuffer(object); +} + +var binary = new type('tag:yaml.org,2002:binary', { + kind: 'scalar', + resolve: resolveYamlBinary, + construct: constructYamlBinary, + predicate: isBinary, + represent: representYamlBinary +}); + +var _hasOwnProperty$1 = Object.prototype.hasOwnProperty; +var _toString = Object.prototype.toString; + +function resolveYamlOmap(data) { + if (data === null) return true; + var objectKeys = [], + index, + length, + pair, + pairKey, + pairHasKey, + object = data; + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + pairHasKey = false; + if (_toString.call(pair) !== '[object Object]') return false; + + for (pairKey in pair) { + if (_hasOwnProperty$1.call(pair, pairKey)) { + if (!pairHasKey) pairHasKey = true;else return false; + } + } + + if (!pairHasKey) return false; + if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey);else return false; + } + + return true; +} + +function constructYamlOmap(data) { + return data !== null ? data : []; +} + +var omap = new type('tag:yaml.org,2002:omap', { + kind: 'sequence', + resolve: resolveYamlOmap, + construct: constructYamlOmap +}); + +var _toString$1 = Object.prototype.toString; + +function resolveYamlPairs(data) { + if (data === null) return true; + var index, + length, + pair, + keys, + result, + object = data; + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + if (_toString$1.call(pair) !== '[object Object]') return false; + keys = Object.keys(pair); + if (keys.length !== 1) return false; + result[index] = [keys[0], pair[keys[0]]]; + } + + return true; +} + +function constructYamlPairs(data) { + if (data === null) return []; + var index, + length, + pair, + keys, + result, + object = data; + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + keys = Object.keys(pair); + result[index] = [keys[0], pair[keys[0]]]; + } + + return result; +} + +var pairs = new type('tag:yaml.org,2002:pairs', { + kind: 'sequence', + resolve: resolveYamlPairs, + construct: constructYamlPairs +}); + +var _hasOwnProperty$2 = Object.prototype.hasOwnProperty; + +function resolveYamlSet(data) { + if (data === null) return true; + var key, + object = data; + + for (key in object) { + if (_hasOwnProperty$2.call(object, key)) { + if (object[key] !== null) return false; + } + } + + return true; +} + +function constructYamlSet(data) { + return data !== null ? data : {}; +} + +var set = new type('tag:yaml.org,2002:set', { + kind: 'mapping', + resolve: resolveYamlSet, + construct: constructYamlSet +}); + +var default_safe = new schema({ + include: [core], + implicit: [timestamp, merge], + explicit: [binary, omap, pairs, set] +}); + +function resolveJavascriptUndefined() { + return true; +} + +function constructJavascriptUndefined() { + /*eslint-disable no-undefined*/ + return undefined; +} + +function representJavascriptUndefined() { + return ''; +} + +function isUndefined(object) { + return typeof object === 'undefined'; +} + +var _undefined = new type('tag:yaml.org,2002:js/undefined', { + kind: 'scalar', + resolve: resolveJavascriptUndefined, + construct: constructJavascriptUndefined, + predicate: isUndefined, + represent: representJavascriptUndefined +}); + +function resolveJavascriptRegExp(data) { + if (data === null) return false; + if (data.length === 0) return false; + var regexp = data, + tail = /\/([gim]*)$/.exec(data), + modifiers = ''; // if regexp starts with '/' it can have modifiers and must be properly closed + // `/foo/gim` - modifiers tail can be maximum 3 chars + + if (regexp[0] === '/') { + if (tail) modifiers = tail[1]; + if (modifiers.length > 3) return false; // if expression starts with /, is should be properly terminated + + if (regexp[regexp.length - modifiers.length - 1] !== '/') return false; + } + + return true; +} + +function constructJavascriptRegExp(data) { + var regexp = data, + tail = /\/([gim]*)$/.exec(data), + modifiers = ''; // `/foo/gim` - tail can be maximum 4 chars + + if (regexp[0] === '/') { + if (tail) modifiers = tail[1]; + regexp = regexp.slice(1, regexp.length - modifiers.length - 1); + } + + return new RegExp(regexp, modifiers); +} + +function representJavascriptRegExp(object +/*, style*/ +) { + var result = '/' + object.source + '/'; + if (object.global) result += 'g'; + if (object.multiline) result += 'm'; + if (object.ignoreCase) result += 'i'; + return result; +} + +function isRegExp(object) { + return Object.prototype.toString.call(object) === '[object RegExp]'; +} + +var regexp = new type('tag:yaml.org,2002:js/regexp', { + kind: 'scalar', + resolve: resolveJavascriptRegExp, + construct: constructJavascriptRegExp, + predicate: isRegExp, + represent: representJavascriptRegExp +}); + +var esprima; // Browserified version does not have esprima +// +// 1. For node.js just require module as deps +// 2. For browser try to require mudule via external AMD system. +// If not found - try to fallback to window.esprima. If not +// found too - then fail to parse. +// + +try { + // workaround to exclude package from browserify list. + var _require$1 = commonjsRequire; + esprima = _require$1('esprima'); +} catch (_) { + /*global window */ + if (typeof window !== 'undefined') esprima = window.esprima; +} + +function resolveJavascriptFunction(data) { + if (data === null) return false; + + try { + var source = '(' + data + ')', + ast = esprima.parse(source, { + range: true + }); + + if (ast.type !== 'Program' || ast.body.length !== 1 || ast.body[0].type !== 'ExpressionStatement' || ast.body[0].expression.type !== 'FunctionExpression') { + return false; + } + + return true; + } catch (err) { + return false; + } +} + +function constructJavascriptFunction(data) { + /*jslint evil:true*/ + var source = '(' + data + ')', + ast = esprima.parse(source, { + range: true + }), + params = [], + body; + + if (ast.type !== 'Program' || ast.body.length !== 1 || ast.body[0].type !== 'ExpressionStatement' || ast.body[0].expression.type !== 'FunctionExpression') { + throw new Error('Failed to resolve function'); + } + + ast.body[0].expression.params.forEach(function (param) { + params.push(param.name); + }); + body = ast.body[0].expression.body.range; // Esprima's ranges include the first '{' and the last '}' characters on + // function expressions. So cut them out. + + /*eslint-disable no-new-func*/ + + return new Function(params, source.slice(body[0] + 1, body[1] - 1)); +} + +function representJavascriptFunction(object +/*, style*/ +) { + return object.toString(); +} + +function isFunction(object) { + return Object.prototype.toString.call(object) === '[object Function]'; +} + +var _function = new type('tag:yaml.org,2002:js/function', { + kind: 'scalar', + resolve: resolveJavascriptFunction, + construct: constructJavascriptFunction, + predicate: isFunction, + represent: representJavascriptFunction +}); + +var default_full = schema.DEFAULT = new schema({ + include: [default_safe], + explicit: [_undefined, regexp, _function] +}); + +/*eslint-disable max-len,no-use-before-define*/ + + +var _hasOwnProperty = Object.prototype.hasOwnProperty; +var CONTEXT_FLOW_IN = 1; +var CONTEXT_FLOW_OUT = 2; +var CONTEXT_BLOCK_IN = 3; +var CONTEXT_BLOCK_OUT = 4; +var CHOMPING_CLIP = 1; +var CHOMPING_STRIP = 2; +var CHOMPING_KEEP = 3; +var PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/; +var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/; +var PATTERN_FLOW_INDICATORS = /[,\[\]\{\}]/; +var PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i; +var PATTERN_TAG_URI = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i; + +function is_EOL(c) { + return c === 0x0A + /* LF */ + || c === 0x0D + /* CR */ + ; +} + +function is_WHITE_SPACE(c) { + return c === 0x09 + /* Tab */ + || c === 0x20 + /* Space */ + ; +} + +function is_WS_OR_EOL(c) { + return c === 0x09 + /* Tab */ + || c === 0x20 + /* Space */ + || c === 0x0A + /* LF */ + || c === 0x0D + /* CR */ + ; +} + +function is_FLOW_INDICATOR(c) { + return c === 0x2C + /* , */ + || c === 0x5B + /* [ */ + || c === 0x5D + /* ] */ + || c === 0x7B + /* { */ + || c === 0x7D + /* } */ + ; +} + +function fromHexCode(c) { + var lc; + + if (0x30 + /* 0 */ + <= c && c <= 0x39 + /* 9 */ + ) { + return c - 0x30; + } + /*eslint-disable no-bitwise*/ + + + lc = c | 0x20; + + if (0x61 + /* a */ + <= lc && lc <= 0x66 + /* f */ + ) { + return lc - 0x61 + 10; + } + + return -1; +} + +function escapedHexLen(c) { + if (c === 0x78 + /* x */ + ) { + return 2; + } + + if (c === 0x75 + /* u */ + ) { + return 4; + } + + if (c === 0x55 + /* U */ + ) { + return 8; + } + + return 0; +} + +function fromDecimalCode(c) { + if (0x30 + /* 0 */ + <= c && c <= 0x39 + /* 9 */ + ) { + return c - 0x30; + } + + return -1; +} + +function simpleEscapeSequence(c) { + /* eslint-disable indent */ + return c === 0x30 + /* 0 */ + ? '\x00' : c === 0x61 + /* a */ + ? '\x07' : c === 0x62 + /* b */ + ? '\x08' : c === 0x74 + /* t */ + ? '\x09' : c === 0x09 + /* Tab */ + ? '\x09' : c === 0x6E + /* n */ + ? '\x0A' : c === 0x76 + /* v */ + ? '\x0B' : c === 0x66 + /* f */ + ? '\x0C' : c === 0x72 + /* r */ + ? '\x0D' : c === 0x65 + /* e */ + ? '\x1B' : c === 0x20 + /* Space */ + ? ' ' : c === 0x22 + /* " */ + ? '\x22' : c === 0x2F + /* / */ + ? '/' : c === 0x5C + /* \ */ + ? '\x5C' : c === 0x4E + /* N */ + ? '\x85' : c === 0x5F + /* _ */ + ? '\xA0' : c === 0x4C + /* L */ + ? '\u2028' : c === 0x50 + /* P */ + ? '\u2029' : ''; +} + +function charFromCodepoint(c) { + if (c <= 0xFFFF) { + return String.fromCharCode(c); + } // Encode UTF-16 surrogate pair + // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF + + + return String.fromCharCode((c - 0x010000 >> 10) + 0xD800, (c - 0x010000 & 0x03FF) + 0xDC00); +} + +var simpleEscapeCheck = new Array(256); // integer, for fast access + +var simpleEscapeMap = new Array(256); + +for (var i = 0; i < 256; i++) { + simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0; + simpleEscapeMap[i] = simpleEscapeSequence(i); +} + +function State(input, options) { + this.input = input; + this.filename = options['filename'] || null; + this.schema = options['schema'] || default_full; + this.onWarning = options['onWarning'] || null; + this.legacy = options['legacy'] || false; + this.json = options['json'] || false; + this.listener = options['listener'] || null; + this.implicitTypes = this.schema.compiledImplicit; + this.typeMap = this.schema.compiledTypeMap; + this.length = input.length; + this.position = 0; + this.line = 0; + this.lineStart = 0; + this.lineIndent = 0; + this.documents = []; + /* + this.version; + this.checkLineBreaks; + this.tagMap; + this.anchorMap; + this.tag; + this.anchor; + this.kind; + this.result;*/ +} + +function generateError(state, message) { + return new exception(message, new mark(state.filename, state.input, state.position, state.line, state.position - state.lineStart)); +} + +function throwError(state, message) { + throw generateError(state, message); +} + +function throwWarning(state, message) { + if (state.onWarning) { + state.onWarning.call(null, generateError(state, message)); + } +} + +var directiveHandlers = { + YAML: function handleYamlDirective(state, name, args) { + var match, major, minor; + + if (state.version !== null) { + throwError(state, 'duplication of %YAML directive'); + } + + if (args.length !== 1) { + throwError(state, 'YAML directive accepts exactly one argument'); + } + + match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]); + + if (match === null) { + throwError(state, 'ill-formed argument of the YAML directive'); + } + + major = parseInt(match[1], 10); + minor = parseInt(match[2], 10); + + if (major !== 1) { + throwError(state, 'unacceptable YAML version of the document'); + } + + state.version = args[0]; + state.checkLineBreaks = minor < 2; + + if (minor !== 1 && minor !== 2) { + throwWarning(state, 'unsupported YAML version of the document'); + } + }, + TAG: function handleTagDirective(state, name, args) { + var handle, prefix; + + if (args.length !== 2) { + throwError(state, 'TAG directive accepts exactly two arguments'); + } + + handle = args[0]; + prefix = args[1]; + + if (!PATTERN_TAG_HANDLE.test(handle)) { + throwError(state, 'ill-formed tag handle (first argument) of the TAG directive'); + } + + if (_hasOwnProperty.call(state.tagMap, handle)) { + throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle'); + } + + if (!PATTERN_TAG_URI.test(prefix)) { + throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive'); + } + + state.tagMap[handle] = prefix; + } +}; + +function captureSegment(state, start, end, checkJson) { + var _position, _length, _character, _result; + + if (start < end) { + _result = state.input.slice(start, end); + + if (checkJson) { + for (_position = 0, _length = _result.length; _position < _length; _position += 1) { + _character = _result.charCodeAt(_position); + + if (!(_character === 0x09 || 0x20 <= _character && _character <= 0x10FFFF)) { + throwError(state, 'expected valid JSON character'); + } + } + } else if (PATTERN_NON_PRINTABLE.test(_result)) { + throwError(state, 'the stream contains non-printable characters'); + } + + state.result += _result; + } +} + +function mergeMappings(state, destination, source, overridableKeys) { + var sourceKeys, key, index, quantity; + + if (!common.isObject(source)) { + throwError(state, 'cannot merge mappings; the provided source object is unacceptable'); + } + + sourceKeys = Object.keys(source); + + for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) { + key = sourceKeys[index]; + + if (!_hasOwnProperty.call(destination, key)) { + destination[key] = source[key]; + overridableKeys[key] = true; + } + } +} + +function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, startLine, startPos) { + var index, quantity; + keyNode = String(keyNode); + + if (_result === null) { + _result = {}; + } + + if (keyTag === 'tag:yaml.org,2002:merge') { + if (Array.isArray(valueNode)) { + for (index = 0, quantity = valueNode.length; index < quantity; index += 1) { + mergeMappings(state, _result, valueNode[index], overridableKeys); + } + } else { + mergeMappings(state, _result, valueNode, overridableKeys); + } + } else { + if (!state.json && !_hasOwnProperty.call(overridableKeys, keyNode) && _hasOwnProperty.call(_result, keyNode)) { + state.line = startLine || state.line; + state.position = startPos || state.position; + throwError(state, 'duplicated mapping key'); + } + + _result[keyNode] = valueNode; + delete overridableKeys[keyNode]; + } + + return _result; +} + +function readLineBreak(state) { + var ch; + ch = state.input.charCodeAt(state.position); + + if (ch === 0x0A + /* LF */ + ) { + state.position++; + } else if (ch === 0x0D + /* CR */ + ) { + state.position++; + + if (state.input.charCodeAt(state.position) === 0x0A + /* LF */ + ) { + state.position++; + } + } else { + throwError(state, 'a line break is expected'); + } + + state.line += 1; + state.lineStart = state.position; +} + +function skipSeparationSpace(state, allowComments, checkIndent) { + var lineBreaks = 0, + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (allowComments && ch === 0x23 + /* # */ + ) { + do { + ch = state.input.charCodeAt(++state.position); + } while (ch !== 0x0A + /* LF */ + && ch !== 0x0D + /* CR */ + && ch !== 0); + } + + if (is_EOL(ch)) { + readLineBreak(state); + ch = state.input.charCodeAt(state.position); + lineBreaks++; + state.lineIndent = 0; + + while (ch === 0x20 + /* Space */ + ) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + } else { + break; + } + } + + if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) { + throwWarning(state, 'deficient indentation'); + } + + return lineBreaks; +} + +function testDocumentSeparator(state) { + var _position = state.position, + ch; + ch = state.input.charCodeAt(_position); // Condition state.position === state.lineStart is tested + // in parent on each call, for efficiency. No needs to test here again. + + if ((ch === 0x2D + /* - */ + || ch === 0x2E + /* . */ + ) && ch === state.input.charCodeAt(_position + 1) && ch === state.input.charCodeAt(_position + 2)) { + _position += 3; + ch = state.input.charCodeAt(_position); + + if (ch === 0 || is_WS_OR_EOL(ch)) { + return true; + } + } + + return false; +} + +function writeFoldedLines(state, count) { + if (count === 1) { + state.result += ' '; + } else if (count > 1) { + state.result += common.repeat('\n', count - 1); + } +} + +function readPlainScalar(state, nodeIndent, withinFlowCollection) { + var preceding, + following, + captureStart, + captureEnd, + hasPendingContent, + _line, + _lineStart, + _lineIndent, + _kind = state.kind, + _result = state.result, + ch; + + ch = state.input.charCodeAt(state.position); + + if (is_WS_OR_EOL(ch) || is_FLOW_INDICATOR(ch) || ch === 0x23 + /* # */ + || ch === 0x26 + /* & */ + || ch === 0x2A + /* * */ + || ch === 0x21 + /* ! */ + || ch === 0x7C + /* | */ + || ch === 0x3E + /* > */ + || ch === 0x27 + /* ' */ + || ch === 0x22 + /* " */ + || ch === 0x25 + /* % */ + || ch === 0x40 + /* @ */ + || ch === 0x60 + /* ` */ + ) { + return false; + } + + if (ch === 0x3F + /* ? */ + || ch === 0x2D + /* - */ + ) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || withinFlowCollection && is_FLOW_INDICATOR(following)) { + return false; + } + } + + state.kind = 'scalar'; + state.result = ''; + captureStart = captureEnd = state.position; + hasPendingContent = false; + + while (ch !== 0) { + if (ch === 0x3A + /* : */ + ) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || withinFlowCollection && is_FLOW_INDICATOR(following)) { + break; + } + } else if (ch === 0x23 + /* # */ + ) { + preceding = state.input.charCodeAt(state.position - 1); + + if (is_WS_OR_EOL(preceding)) { + break; + } + } else if (state.position === state.lineStart && testDocumentSeparator(state) || withinFlowCollection && is_FLOW_INDICATOR(ch)) { + break; + } else if (is_EOL(ch)) { + _line = state.line; + _lineStart = state.lineStart; + _lineIndent = state.lineIndent; + skipSeparationSpace(state, false, -1); + + if (state.lineIndent >= nodeIndent) { + hasPendingContent = true; + ch = state.input.charCodeAt(state.position); + continue; + } else { + state.position = captureEnd; + state.line = _line; + state.lineStart = _lineStart; + state.lineIndent = _lineIndent; + break; + } + } + + if (hasPendingContent) { + captureSegment(state, captureStart, captureEnd, false); + writeFoldedLines(state, state.line - _line); + captureStart = captureEnd = state.position; + hasPendingContent = false; + } + + if (!is_WHITE_SPACE(ch)) { + captureEnd = state.position + 1; + } + + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, captureEnd, false); + + if (state.result) { + return true; + } + + state.kind = _kind; + state.result = _result; + return false; +} + +function readSingleQuotedScalar(state, nodeIndent) { + var ch, captureStart, captureEnd; + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x27 + /* ' */ + ) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x27 + /* ' */ + ) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x27 + /* ' */ + ) { + captureStart = state.position; + state.position++; + captureEnd = state.position; + } else { + return true; + } + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a single quoted scalar'); + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a single quoted scalar'); +} + +function readDoubleQuotedScalar(state, nodeIndent) { + var captureStart, captureEnd, hexLength, hexResult, tmp, ch; + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x22 + /* " */ + ) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x22 + /* " */ + ) { + captureSegment(state, captureStart, state.position, true); + state.position++; + return true; + } else if (ch === 0x5C + /* \ */ + ) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (is_EOL(ch)) { + skipSeparationSpace(state, false, nodeIndent); // TODO: rework to inline fn with no type cast? + } else if (ch < 256 && simpleEscapeCheck[ch]) { + state.result += simpleEscapeMap[ch]; + state.position++; + } else if ((tmp = escapedHexLen(ch)) > 0) { + hexLength = tmp; + hexResult = 0; + + for (; hexLength > 0; hexLength--) { + ch = state.input.charCodeAt(++state.position); + + if ((tmp = fromHexCode(ch)) >= 0) { + hexResult = (hexResult << 4) + tmp; + } else { + throwError(state, 'expected hexadecimal character'); + } + } + + state.result += charFromCodepoint(hexResult); + state.position++; + } else { + throwError(state, 'unknown escape sequence'); + } + + captureStart = captureEnd = state.position; + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a double quoted scalar'); + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a double quoted scalar'); +} + +function readFlowCollection(state, nodeIndent) { + var readNext = true, + _line, + _tag = state.tag, + _result, + _anchor = state.anchor, + following, + terminator, + isPair, + isExplicitPair, + isMapping, + overridableKeys = {}, + keyNode, + keyTag, + valueNode, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x5B + /* [ */ + ) { + terminator = 0x5D; + /* ] */ + + isMapping = false; + _result = []; + } else if (ch === 0x7B + /* { */ + ) { + terminator = 0x7D; + /* } */ + + isMapping = true; + _result = {}; + } else { + return false; + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(++state.position); + + while (ch !== 0) { + skipSeparationSpace(state, true, nodeIndent); + ch = state.input.charCodeAt(state.position); + + if (ch === terminator) { + state.position++; + state.tag = _tag; + state.anchor = _anchor; + state.kind = isMapping ? 'mapping' : 'sequence'; + state.result = _result; + return true; + } else if (!readNext) { + throwError(state, 'missed comma between flow collection entries'); + } + + keyTag = keyNode = valueNode = null; + isPair = isExplicitPair = false; + + if (ch === 0x3F + /* ? */ + ) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following)) { + isPair = isExplicitPair = true; + state.position++; + skipSeparationSpace(state, true, nodeIndent); + } + } + + _line = state.line; + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + keyTag = state.tag; + keyNode = state.result; + skipSeparationSpace(state, true, nodeIndent); + ch = state.input.charCodeAt(state.position); + + if ((isExplicitPair || state.line === _line) && ch === 0x3A + /* : */ + ) { + isPair = true; + ch = state.input.charCodeAt(++state.position); + skipSeparationSpace(state, true, nodeIndent); + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + valueNode = state.result; + } + + if (isMapping) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode); + } else if (isPair) { + _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode)); + } else { + _result.push(keyNode); + } + + skipSeparationSpace(state, true, nodeIndent); + ch = state.input.charCodeAt(state.position); + + if (ch === 0x2C + /* , */ + ) { + readNext = true; + ch = state.input.charCodeAt(++state.position); + } else { + readNext = false; + } + } + + throwError(state, 'unexpected end of the stream within a flow collection'); +} + +function readBlockScalar(state, nodeIndent) { + var captureStart, + folding, + chomping = CHOMPING_CLIP, + didReadContent = false, + detectedIndent = false, + textIndent = nodeIndent, + emptyLines = 0, + atMoreIndented = false, + tmp, + ch; + ch = state.input.charCodeAt(state.position); + + if (ch === 0x7C + /* | */ + ) { + folding = false; + } else if (ch === 0x3E + /* > */ + ) { + folding = true; + } else { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + + while (ch !== 0) { + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x2B + /* + */ + || ch === 0x2D + /* - */ + ) { + if (CHOMPING_CLIP === chomping) { + chomping = ch === 0x2B + /* + */ + ? CHOMPING_KEEP : CHOMPING_STRIP; + } else { + throwError(state, 'repeat of a chomping mode identifier'); + } + } else if ((tmp = fromDecimalCode(ch)) >= 0) { + if (tmp === 0) { + throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one'); + } else if (!detectedIndent) { + textIndent = nodeIndent + tmp - 1; + detectedIndent = true; + } else { + throwError(state, 'repeat of an indentation width identifier'); + } + } else { + break; + } + } + + if (is_WHITE_SPACE(ch)) { + do { + ch = state.input.charCodeAt(++state.position); + } while (is_WHITE_SPACE(ch)); + + if (ch === 0x23 + /* # */ + ) { + do { + ch = state.input.charCodeAt(++state.position); + } while (!is_EOL(ch) && ch !== 0); + } + } + + while (ch !== 0) { + readLineBreak(state); + state.lineIndent = 0; + ch = state.input.charCodeAt(state.position); + + while ((!detectedIndent || state.lineIndent < textIndent) && ch === 0x20 + /* Space */ + ) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + + if (!detectedIndent && state.lineIndent > textIndent) { + textIndent = state.lineIndent; + } + + if (is_EOL(ch)) { + emptyLines++; + continue; + } // End of the scalar. + + + if (state.lineIndent < textIndent) { + // Perform the chomping. + if (chomping === CHOMPING_KEEP) { + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } else if (chomping === CHOMPING_CLIP) { + if (didReadContent) { + // i.e. only if the scalar is not empty. + state.result += '\n'; + } + } // Break this `while` cycle and go to the funciton's epilogue. + + + break; + } // Folded style: use fancy rules to handle line breaks. + + + if (folding) { + // Lines starting with white space characters (more-indented lines) are not folded. + if (is_WHITE_SPACE(ch)) { + atMoreIndented = true; // except for the first content line (cf. Example 8.1) + + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); // End of more-indented block. + } else if (atMoreIndented) { + atMoreIndented = false; + state.result += common.repeat('\n', emptyLines + 1); // Just one line break - perceive as the same line. + } else if (emptyLines === 0) { + if (didReadContent) { + // i.e. only if we have already read some scalar content. + state.result += ' '; + } // Several line breaks - perceive as different lines. + + } else { + state.result += common.repeat('\n', emptyLines); + } // Literal style: just add exact number of line breaks between content lines. + + } else { + // Keep all line breaks except the header line break. + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } + + didReadContent = true; + detectedIndent = true; + emptyLines = 0; + captureStart = state.position; + + while (!is_EOL(ch) && ch !== 0) { + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, state.position, false); + } + + return true; +} + +function readBlockSequence(state, nodeIndent) { + var _line, + _tag = state.tag, + _anchor = state.anchor, + _result = [], + following, + detected = false, + ch; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + if (ch !== 0x2D + /* - */ + ) { + break; + } + + following = state.input.charCodeAt(state.position + 1); + + if (!is_WS_OR_EOL(following)) { + break; + } + + detected = true; + state.position++; + + if (skipSeparationSpace(state, true, -1)) { + if (state.lineIndent <= nodeIndent) { + _result.push(null); + + ch = state.input.charCodeAt(state.position); + continue; + } + } + + _line = state.line; + composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true); + + _result.push(state.result); + + skipSeparationSpace(state, true, -1); + ch = state.input.charCodeAt(state.position); + + if ((state.line === _line || state.lineIndent > nodeIndent) && ch !== 0) { + throwError(state, 'bad indentation of a sequence entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'sequence'; + state.result = _result; + return true; + } + + return false; +} + +function readBlockMapping(state, nodeIndent, flowIndent) { + var following, + allowCompact, + _line, + _pos, + _tag = state.tag, + _anchor = state.anchor, + _result = {}, + overridableKeys = {}, + keyTag = null, + keyNode = null, + valueNode = null, + atExplicitKey = false, + detected = false, + ch; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + following = state.input.charCodeAt(state.position + 1); + _line = state.line; // Save the current line. + + _pos = state.position; // + // Explicit notation case. There are two separate blocks: + // first for the key (denoted by "?") and second for the value (denoted by ":") + // + + if ((ch === 0x3F + /* ? */ + || ch === 0x3A + /* : */ + ) && is_WS_OR_EOL(following)) { + if (ch === 0x3F + /* ? */ + ) { + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = true; + allowCompact = true; + } else if (atExplicitKey) { + // i.e. 0x3A/* : */ === character after the explicit key. + atExplicitKey = false; + allowCompact = true; + } else { + throwError(state, 'incomplete explicit mapping pair; a key node is missed'); + } + + state.position += 1; + ch = following; // + // Implicit notation case. Flow-style node as the key first, then ":", and the value. + // + } else if (composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) { + if (state.line === _line) { + ch = state.input.charCodeAt(state.position); + + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x3A + /* : */ + ) { + ch = state.input.charCodeAt(++state.position); + + if (!is_WS_OR_EOL(ch)) { + throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping'); + } + + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = false; + allowCompact = false; + keyTag = state.tag; + keyNode = state.result; + } else if (detected) { + throwError(state, 'can not read an implicit mapping pair; a colon is missed'); + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + } else if (detected) { + throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key'); + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + } else { + break; // Reading is done. Go to the epilogue. + } // + // Common reading code for both explicit and implicit notations. + // + + + if (state.line === _line || state.lineIndent > nodeIndent) { + if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) { + if (atExplicitKey) { + keyNode = state.result; + } else { + valueNode = state.result; + } + } + + if (!atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _pos); + keyTag = keyNode = valueNode = null; + } + + skipSeparationSpace(state, true, -1); + ch = state.input.charCodeAt(state.position); + } + + if (state.lineIndent > nodeIndent && ch !== 0) { + throwError(state, 'bad indentation of a mapping entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } // + // Epilogue. + // + // Special case: last mapping's node contains only the key in explicit notation. + + + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null); + } // Expose the resulting mapping. + + + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'mapping'; + state.result = _result; + } + + return detected; +} + +function readTagProperty(state) { + var _position, + isVerbatim = false, + isNamed = false, + tagHandle, + tagName, + ch; + + ch = state.input.charCodeAt(state.position); + if (ch !== 0x21 + /* ! */ + ) return false; + + if (state.tag !== null) { + throwError(state, 'duplication of a tag property'); + } + + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x3C + /* < */ + ) { + isVerbatim = true; + ch = state.input.charCodeAt(++state.position); + } else if (ch === 0x21 + /* ! */ + ) { + isNamed = true; + tagHandle = '!!'; + ch = state.input.charCodeAt(++state.position); + } else { + tagHandle = '!'; + } + + _position = state.position; + + if (isVerbatim) { + do { + ch = state.input.charCodeAt(++state.position); + } while (ch !== 0 && ch !== 0x3E + /* > */ + ); + + if (state.position < state.length) { + tagName = state.input.slice(_position, state.position); + ch = state.input.charCodeAt(++state.position); + } else { + throwError(state, 'unexpected end of the stream within a verbatim tag'); + } + } else { + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + if (ch === 0x21 + /* ! */ + ) { + if (!isNamed) { + tagHandle = state.input.slice(_position - 1, state.position + 1); + + if (!PATTERN_TAG_HANDLE.test(tagHandle)) { + throwError(state, 'named tag handle cannot contain such characters'); + } + + isNamed = true; + _position = state.position + 1; + } else { + throwError(state, 'tag suffix cannot contain exclamation marks'); + } + } + + ch = state.input.charCodeAt(++state.position); + } + + tagName = state.input.slice(_position, state.position); + + if (PATTERN_FLOW_INDICATORS.test(tagName)) { + throwError(state, 'tag suffix cannot contain flow indicator characters'); + } + } + + if (tagName && !PATTERN_TAG_URI.test(tagName)) { + throwError(state, 'tag name cannot contain such characters: ' + tagName); + } + + if (isVerbatim) { + state.tag = tagName; + } else if (_hasOwnProperty.call(state.tagMap, tagHandle)) { + state.tag = state.tagMap[tagHandle] + tagName; + } else if (tagHandle === '!') { + state.tag = '!' + tagName; + } else if (tagHandle === '!!') { + state.tag = 'tag:yaml.org,2002:' + tagName; + } else { + throwError(state, 'undeclared tag handle "' + tagHandle + '"'); + } + + return true; +} + +function readAnchorProperty(state) { + var _position, ch; + + ch = state.input.charCodeAt(state.position); + if (ch !== 0x26 + /* & */ + ) return false; + + if (state.anchor !== null) { + throwError(state, 'duplication of an anchor property'); + } + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an anchor node must contain at least one character'); + } + + state.anchor = state.input.slice(_position, state.position); + return true; +} + +function readAlias(state) { + var _position, alias, ch; + + ch = state.input.charCodeAt(state.position); + if (ch !== 0x2A + /* * */ + ) return false; + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an alias node must contain at least one character'); + } + + alias = state.input.slice(_position, state.position); + + if (!state.anchorMap.hasOwnProperty(alias)) { + throwError(state, 'unidentified alias "' + alias + '"'); + } + + state.result = state.anchorMap[alias]; + skipSeparationSpace(state, true, -1); + return true; +} + +function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) { + var allowBlockStyles, + allowBlockScalars, + allowBlockCollections, + indentStatus = 1, + // 1: this>parent, 0: this=parent, -1: this parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } + } + + if (indentStatus === 1) { + while (readTagProperty(state) || readAnchorProperty(state)) { + if (skipSeparationSpace(state, true, -1)) { + atNewLine = true; + allowBlockCollections = allowBlockStyles; + + if (state.lineIndent > parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } else { + allowBlockCollections = false; + } + } + } + + if (allowBlockCollections) { + allowBlockCollections = atNewLine || allowCompact; + } + + if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) { + if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) { + flowIndent = parentIndent; + } else { + flowIndent = parentIndent + 1; + } + + blockIndent = state.position - state.lineStart; + + if (indentStatus === 1) { + if (allowBlockCollections && (readBlockSequence(state, blockIndent) || readBlockMapping(state, blockIndent, flowIndent)) || readFlowCollection(state, flowIndent)) { + hasContent = true; + } else { + if (allowBlockScalars && readBlockScalar(state, flowIndent) || readSingleQuotedScalar(state, flowIndent) || readDoubleQuotedScalar(state, flowIndent)) { + hasContent = true; + } else if (readAlias(state)) { + hasContent = true; + + if (state.tag !== null || state.anchor !== null) { + throwError(state, 'alias node should not have any properties'); + } + } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) { + hasContent = true; + + if (state.tag === null) { + state.tag = '?'; + } + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } else if (indentStatus === 0) { + // Special case: block sequences are allowed to have same indentation level as the parent. + // http://www.yaml.org/spec/1.2/spec.html#id2799784 + hasContent = allowBlockCollections && readBlockSequence(state, blockIndent); + } + } + + if (state.tag !== null && state.tag !== '!') { + if (state.tag === '?') { + for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) { + type = state.implicitTypes[typeIndex]; // Implicit resolving is not allowed for non-scalar types, and '?' + // non-specific tag is only assigned to plain scalars. So, it isn't + // needed to check for 'kind' conformity. + + if (type.resolve(state.result)) { + // `state.result` updated in resolver if matched + state.result = type.construct(state.result); + state.tag = type.tag; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + + break; + } + } + } else if (_hasOwnProperty.call(state.typeMap[state.kind || 'fallback'], state.tag)) { + type = state.typeMap[state.kind || 'fallback'][state.tag]; + + if (state.result !== null && type.kind !== state.kind) { + throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"'); + } + + if (!type.resolve(state.result)) { + // `state.result` updated in resolver if matched + throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag'); + } else { + state.result = type.construct(state.result); + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } else { + throwError(state, 'unknown tag !<' + state.tag + '>'); + } + } + + if (state.listener !== null) { + state.listener('close', state); + } + + return state.tag !== null || state.anchor !== null || hasContent; +} + +function readDocument(state) { + var documentStart = state.position, + _position, + directiveName, + directiveArgs, + hasDirectives = false, + ch; + + state.version = null; + state.checkLineBreaks = state.legacy; + state.tagMap = {}; + state.anchorMap = {}; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + skipSeparationSpace(state, true, -1); + ch = state.input.charCodeAt(state.position); + + if (state.lineIndent > 0 || ch !== 0x25 + /* % */ + ) { + break; + } + + hasDirectives = true; + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveName = state.input.slice(_position, state.position); + directiveArgs = []; + + if (directiveName.length < 1) { + throwError(state, 'directive name must not be less than one character in length'); + } + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x23 + /* # */ + ) { + do { + ch = state.input.charCodeAt(++state.position); + } while (ch !== 0 && !is_EOL(ch)); + + break; + } + + if (is_EOL(ch)) break; + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveArgs.push(state.input.slice(_position, state.position)); + } + + if (ch !== 0) readLineBreak(state); + + if (_hasOwnProperty.call(directiveHandlers, directiveName)) { + directiveHandlers[directiveName](state, directiveName, directiveArgs); + } else { + throwWarning(state, 'unknown document directive "' + directiveName + '"'); + } + } + + skipSeparationSpace(state, true, -1); + + if (state.lineIndent === 0 && state.input.charCodeAt(state.position) === 0x2D + /* - */ + && state.input.charCodeAt(state.position + 1) === 0x2D + /* - */ + && state.input.charCodeAt(state.position + 2) === 0x2D + /* - */ + ) { + state.position += 3; + skipSeparationSpace(state, true, -1); + } else if (hasDirectives) { + throwError(state, 'directives end mark is expected'); + } + + composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true); + skipSeparationSpace(state, true, -1); + + if (state.checkLineBreaks && PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) { + throwWarning(state, 'non-ASCII line breaks are interpreted as content'); + } + + state.documents.push(state.result); + + if (state.position === state.lineStart && testDocumentSeparator(state)) { + if (state.input.charCodeAt(state.position) === 0x2E + /* . */ + ) { + state.position += 3; + skipSeparationSpace(state, true, -1); + } + + return; + } + + if (state.position < state.length - 1) { + throwError(state, 'end of the stream or a document separator is expected'); + } else { + return; + } +} + +function loadDocuments(input, options) { + input = String(input); + options = options || {}; + + if (input.length !== 0) { + // Add tailing `\n` if not exists + if (input.charCodeAt(input.length - 1) !== 0x0A + /* LF */ + && input.charCodeAt(input.length - 1) !== 0x0D + /* CR */ + ) { + input += '\n'; + } // Strip BOM + + + if (input.charCodeAt(0) === 0xFEFF) { + input = input.slice(1); + } + } + + var state = new State(input, options); // Use 0 as string terminator. That significantly simplifies bounds check. + + state.input += '\0'; + + while (state.input.charCodeAt(state.position) === 0x20 + /* Space */ + ) { + state.lineIndent += 1; + state.position += 1; + } + + while (state.position < state.length - 1) { + readDocument(state); + } + + return state.documents; +} + +function loadAll$1(input, iterator, options) { + var documents = loadDocuments(input, options), + index, + length; + + if (typeof iterator !== 'function') { + return documents; + } + + for (index = 0, length = documents.length; index < length; index += 1) { + iterator(documents[index]); + } +} + +function load$1(input, options) { + var documents = loadDocuments(input, options); + + if (documents.length === 0) { + /*eslint-disable no-undefined*/ + return undefined; + } else if (documents.length === 1) { + return documents[0]; + } + + throw new exception('expected a single document in the stream, but found more'); +} + +function safeLoadAll$1(input, output, options) { + if (typeof output === 'function') { + loadAll$1(input, output, common.extend({ + schema: default_safe + }, options)); + } else { + return loadAll$1(input, common.extend({ + schema: default_safe + }, options)); + } +} + +function safeLoad$1(input, options) { + return load$1(input, common.extend({ + schema: default_safe + }, options)); +} + +var loadAll_1 = loadAll$1; +var load_1 = load$1; +var safeLoadAll_1 = safeLoadAll$1; +var safeLoad_1 = safeLoad$1; +var loader = { + loadAll: loadAll_1, + load: load_1, + safeLoadAll: safeLoadAll_1, + safeLoad: safeLoad_1 +}; + +/*eslint-disable no-use-before-define*/ + + +var _toString$2 = Object.prototype.toString; +var _hasOwnProperty$3 = Object.prototype.hasOwnProperty; +var CHAR_TAB = 0x09; +/* Tab */ + +var CHAR_LINE_FEED = 0x0A; +/* LF */ + +var CHAR_SPACE = 0x20; +/* Space */ + +var CHAR_EXCLAMATION = 0x21; +/* ! */ + +var CHAR_DOUBLE_QUOTE = 0x22; +/* " */ + +var CHAR_SHARP = 0x23; +/* # */ + +var CHAR_PERCENT = 0x25; +/* % */ + +var CHAR_AMPERSAND = 0x26; +/* & */ + +var CHAR_SINGLE_QUOTE = 0x27; +/* ' */ + +var CHAR_ASTERISK = 0x2A; +/* * */ + +var CHAR_COMMA = 0x2C; +/* , */ + +var CHAR_MINUS = 0x2D; +/* - */ + +var CHAR_COLON = 0x3A; +/* : */ + +var CHAR_GREATER_THAN = 0x3E; +/* > */ + +var CHAR_QUESTION = 0x3F; +/* ? */ + +var CHAR_COMMERCIAL_AT = 0x40; +/* @ */ + +var CHAR_LEFT_SQUARE_BRACKET = 0x5B; +/* [ */ + +var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; +/* ] */ + +var CHAR_GRAVE_ACCENT = 0x60; +/* ` */ + +var CHAR_LEFT_CURLY_BRACKET = 0x7B; +/* { */ + +var CHAR_VERTICAL_LINE = 0x7C; +/* | */ + +var CHAR_RIGHT_CURLY_BRACKET = 0x7D; +/* } */ + +var ESCAPE_SEQUENCES = {}; +ESCAPE_SEQUENCES[0x00] = '\\0'; +ESCAPE_SEQUENCES[0x07] = '\\a'; +ESCAPE_SEQUENCES[0x08] = '\\b'; +ESCAPE_SEQUENCES[0x09] = '\\t'; +ESCAPE_SEQUENCES[0x0A] = '\\n'; +ESCAPE_SEQUENCES[0x0B] = '\\v'; +ESCAPE_SEQUENCES[0x0C] = '\\f'; +ESCAPE_SEQUENCES[0x0D] = '\\r'; +ESCAPE_SEQUENCES[0x1B] = '\\e'; +ESCAPE_SEQUENCES[0x22] = '\\"'; +ESCAPE_SEQUENCES[0x5C] = '\\\\'; +ESCAPE_SEQUENCES[0x85] = '\\N'; +ESCAPE_SEQUENCES[0xA0] = '\\_'; +ESCAPE_SEQUENCES[0x2028] = '\\L'; +ESCAPE_SEQUENCES[0x2029] = '\\P'; +var DEPRECATED_BOOLEANS_SYNTAX = ['y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON', 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF']; + +function compileStyleMap(schema, map) { + var result, keys, index, length, tag, style, type; + if (map === null) return {}; + result = {}; + keys = Object.keys(map); + + for (index = 0, length = keys.length; index < length; index += 1) { + tag = keys[index]; + style = String(map[tag]); + + if (tag.slice(0, 2) === '!!') { + tag = 'tag:yaml.org,2002:' + tag.slice(2); + } + + type = schema.compiledTypeMap['fallback'][tag]; + + if (type && _hasOwnProperty$3.call(type.styleAliases, style)) { + style = type.styleAliases[style]; + } + + result[tag] = style; + } + + return result; +} + +function encodeHex(character) { + var string, handle, length; + string = character.toString(16).toUpperCase(); + + if (character <= 0xFF) { + handle = 'x'; + length = 2; + } else if (character <= 0xFFFF) { + handle = 'u'; + length = 4; + } else if (character <= 0xFFFFFFFF) { + handle = 'U'; + length = 8; + } else { + throw new exception('code point within a string may not be greater than 0xFFFFFFFF'); + } + + return '\\' + handle + common.repeat('0', length - string.length) + string; +} + +function State$1(options) { + this.schema = options['schema'] || default_full; + this.indent = Math.max(1, options['indent'] || 2); + this.skipInvalid = options['skipInvalid'] || false; + this.flowLevel = common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']; + this.styleMap = compileStyleMap(this.schema, options['styles'] || null); + this.sortKeys = options['sortKeys'] || false; + this.lineWidth = options['lineWidth'] || 80; + this.noRefs = options['noRefs'] || false; + this.noCompatMode = options['noCompatMode'] || false; + this.condenseFlow = options['condenseFlow'] || false; + this.implicitTypes = this.schema.compiledImplicit; + this.explicitTypes = this.schema.compiledExplicit; + this.tag = null; + this.result = ''; + this.duplicates = []; + this.usedDuplicates = null; +} // Indents every line in a string. Empty lines (\n only) are not indented. + + +function indentString(string, spaces) { + var ind = common.repeat(' ', spaces), + position = 0, + next = -1, + result = '', + line, + length = string.length; + + while (position < length) { + next = string.indexOf('\n', position); + + if (next === -1) { + line = string.slice(position); + position = length; + } else { + line = string.slice(position, next + 1); + position = next + 1; + } + + if (line.length && line !== '\n') result += ind; + result += line; + } + + return result; +} + +function generateNextLine(state, level) { + return '\n' + common.repeat(' ', state.indent * level); +} + +function testImplicitResolving(state, str) { + var index, length, type; + + for (index = 0, length = state.implicitTypes.length; index < length; index += 1) { + type = state.implicitTypes[index]; + + if (type.resolve(str)) { + return true; + } + } + + return false; +} // [33] s-white ::= s-space | s-tab + + +function isWhitespace(c) { + return c === CHAR_SPACE || c === CHAR_TAB; +} // Returns true if the character can be printed without escaping. +// From YAML 1.2: "any allowed characters known to be non-printable +// should also be escaped. [However,] This isn’t mandatory" +// Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029. + + +function isPrintable(c) { + return 0x00020 <= c && c <= 0x00007E || 0x000A1 <= c && c <= 0x00D7FF && c !== 0x2028 && c !== 0x2029 || 0x0E000 <= c && c <= 0x00FFFD && c !== 0xFEFF + /* BOM */ + || 0x10000 <= c && c <= 0x10FFFF; +} // Simplified test for values allowed after the first character in plain style. + + +function isPlainSafe(c) { + // Uses a subset of nb-char - c-flow-indicator - ":" - "#" + // where nb-char ::= c-printable - b-char - c-byte-order-mark. + return isPrintable(c) && c !== 0xFEFF // - c-flow-indicator + && c !== CHAR_COMMA && c !== CHAR_LEFT_SQUARE_BRACKET && c !== CHAR_RIGHT_SQUARE_BRACKET && c !== CHAR_LEFT_CURLY_BRACKET && c !== CHAR_RIGHT_CURLY_BRACKET // - ":" - "#" + && c !== CHAR_COLON && c !== CHAR_SHARP; +} // Simplified test for values allowed as the first character in plain style. + + +function isPlainSafeFirst(c) { + // Uses a subset of ns-char - c-indicator + // where ns-char = nb-char - s-white. + return isPrintable(c) && c !== 0xFEFF && !isWhitespace(c) // - s-white + // - (c-indicator ::= + // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}” + && c !== CHAR_MINUS && c !== CHAR_QUESTION && c !== CHAR_COLON && c !== CHAR_COMMA && c !== CHAR_LEFT_SQUARE_BRACKET && c !== CHAR_RIGHT_SQUARE_BRACKET && c !== CHAR_LEFT_CURLY_BRACKET && c !== CHAR_RIGHT_CURLY_BRACKET // | “#” | “&” | “*” | “!” | “|” | “>” | “'” | “"” + && c !== CHAR_SHARP && c !== CHAR_AMPERSAND && c !== CHAR_ASTERISK && c !== CHAR_EXCLAMATION && c !== CHAR_VERTICAL_LINE && c !== CHAR_GREATER_THAN && c !== CHAR_SINGLE_QUOTE && c !== CHAR_DOUBLE_QUOTE // | “%” | “@” | “`”) + && c !== CHAR_PERCENT && c !== CHAR_COMMERCIAL_AT && c !== CHAR_GRAVE_ACCENT; +} + +var STYLE_PLAIN = 1; +var STYLE_SINGLE = 2; +var STYLE_LITERAL = 3; +var STYLE_FOLDED = 4; +var STYLE_DOUBLE = 5; // Determines which scalar styles are possible and returns the preferred style. +// lineWidth = -1 => no limit. +// Pre-conditions: str.length > 0. +// Post-conditions: +// STYLE_PLAIN or STYLE_SINGLE => no \n are in the string. +// STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1). +// STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1). + +function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, testAmbiguousType) { + var i; + var char; + var hasLineBreak = false; + var hasFoldableLine = false; // only checked if shouldTrackWidth + + var shouldTrackWidth = lineWidth !== -1; + var previousLineBreak = -1; // count the first line correctly + + var plain = isPlainSafeFirst(string.charCodeAt(0)) && !isWhitespace(string.charCodeAt(string.length - 1)); + + if (singleLineOnly) { + // Case: no block styles. + // Check for disallowed characters to rule out plain and single. + for (i = 0; i < string.length; i++) { + char = string.charCodeAt(i); + + if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + + plain = plain && isPlainSafe(char); + } + } else { + // Case: block styles permitted. + for (i = 0; i < string.length; i++) { + char = string.charCodeAt(i); + + if (char === CHAR_LINE_FEED) { + hasLineBreak = true; // Check if any line can be folded. + + if (shouldTrackWidth) { + hasFoldableLine = hasFoldableLine || // Foldable line = too long, and not more-indented. + i - previousLineBreak - 1 > lineWidth && string[previousLineBreak + 1] !== ' '; + previousLineBreak = i; + } + } else if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + + plain = plain && isPlainSafe(char); + } // in case the end is missing a \n + + + hasFoldableLine = hasFoldableLine || shouldTrackWidth && i - previousLineBreak - 1 > lineWidth && string[previousLineBreak + 1] !== ' '; + } // Although every style can represent \n without escaping, prefer block styles + // for multiline, since they're more readable and they don't add empty lines. + // Also prefer folding a super-long line. + + + if (!hasLineBreak && !hasFoldableLine) { + // Strings interpretable as another type have to be quoted; + // e.g. the string 'true' vs. the boolean true. + return plain && !testAmbiguousType(string) ? STYLE_PLAIN : STYLE_SINGLE; + } // Edge case: block indentation indicator can only have one digit. + + + if (string[0] === ' ' && indentPerLevel > 9) { + return STYLE_DOUBLE; + } // At this point we know block styles are valid. + // Prefer literal style unless we want to fold. + + + return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL; +} // Note: line breaking/folding is implemented for only the folded style. +// NB. We drop the last trailing newline (if any) of a returned block scalar +// since the dumper adds its own newline. This always works: +// • No ending newline => unaffected; already using strip "-" chomping. +// • Ending newline => removed then restored. +// Importantly, this keeps the "+" chomp indicator from gaining an extra line. + + +function writeScalar(state, string, level, iskey) { + state.dump = function () { + if (string.length === 0) { + return "''"; + } + + if (!state.noCompatMode && DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1) { + return "'" + string + "'"; + } + + var indent = state.indent * Math.max(1, level); // no 0-indent scalars + // As indentation gets deeper, let the width decrease monotonically + // to the lower bound min(state.lineWidth, 40). + // Note that this implies + // state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound. + // state.lineWidth > 40 + state.indent: width decreases until the lower bound. + // This behaves better than a constant minimum width which disallows narrower options, + // or an indent threshold which causes the width to suddenly increase. + + var lineWidth = state.lineWidth === -1 ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent); // Without knowing if keys are implicit/explicit, assume implicit for safety. + + var singleLineOnly = iskey // No block styles in flow mode. + || state.flowLevel > -1 && level >= state.flowLevel; + + function testAmbiguity(string) { + return testImplicitResolving(state, string); + } + + switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, testAmbiguity)) { + case STYLE_PLAIN: + return string; + + case STYLE_SINGLE: + return "'" + string.replace(/'/g, "''") + "'"; + + case STYLE_LITERAL: + return '|' + blockHeader(string, state.indent) + dropEndingNewline(indentString(string, indent)); + + case STYLE_FOLDED: + return '>' + blockHeader(string, state.indent) + dropEndingNewline(indentString(foldString(string, lineWidth), indent)); + + case STYLE_DOUBLE: + return '"' + escapeString(string, lineWidth) + '"'; + + default: + throw new exception('impossible error: invalid scalar style'); + } + }(); +} // Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9. + + +function blockHeader(string, indentPerLevel) { + var indentIndicator = string[0] === ' ' ? String(indentPerLevel) : ''; // note the special case: the string '\n' counts as a "trailing" empty line. + + var clip = string[string.length - 1] === '\n'; + var keep = clip && (string[string.length - 2] === '\n' || string === '\n'); + var chomp = keep ? '+' : clip ? '' : '-'; + return indentIndicator + chomp + '\n'; +} // (See the note for writeScalar.) + + +function dropEndingNewline(string) { + return string[string.length - 1] === '\n' ? string.slice(0, -1) : string; +} // Note: a long line without a suitable break point will exceed the width limit. +// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0. + + +function foldString(string, width) { + // In folded style, $k$ consecutive newlines output as $k+1$ newlines— + // unless they're before or after a more-indented line, or at the very + // beginning or end, in which case $k$ maps to $k$. + // Therefore, parse each chunk as newline(s) followed by a content line. + var lineRe = /(\n+)([^\n]*)/g; // first line (possibly an empty line) + + var result = function () { + var nextLF = string.indexOf('\n'); + nextLF = nextLF !== -1 ? nextLF : string.length; + lineRe.lastIndex = nextLF; + return foldLine(string.slice(0, nextLF), width); + }(); // If we haven't reached the first content line yet, don't add an extra \n. + + + var prevMoreIndented = string[0] === '\n' || string[0] === ' '; + var moreIndented; // rest of the lines + + var match; + + while (match = lineRe.exec(string)) { + var prefix = match[1], + line = match[2]; + moreIndented = line[0] === ' '; + result += prefix + (!prevMoreIndented && !moreIndented && line !== '' ? '\n' : '') + foldLine(line, width); + prevMoreIndented = moreIndented; + } + + return result; +} // Greedy line breaking. +// Picks the longest line under the limit each time, +// otherwise settles for the shortest line over the limit. +// NB. More-indented lines *cannot* be folded, as that would add an extra \n. + + +function foldLine(line, width) { + if (line === '' || line[0] === ' ') return line; // Since a more-indented line adds a \n, breaks can't be followed by a space. + + var breakRe = / [^ ]/g; // note: the match index will always be <= length-2. + + var match; // start is an inclusive index. end, curr, and next are exclusive. + + var start = 0, + end, + curr = 0, + next = 0; + var result = ''; // Invariants: 0 <= start <= length-1. + // 0 <= curr <= next <= max(0, length-2). curr - start <= width. + // Inside the loop: + // A match implies length >= 2, so curr and next are <= length-2. + + while (match = breakRe.exec(line)) { + next = match.index; // maintain invariant: curr - start <= width + + if (next - start > width) { + end = curr > start ? curr : next; // derive end <= length-2 + + result += '\n' + line.slice(start, end); // skip the space that was output as \n + + start = end + 1; // derive start <= length-1 + } + + curr = next; + } // By the invariants, start <= length-1, so there is something left over. + // It is either the whole string or a part starting from non-whitespace. + + + result += '\n'; // Insert a break if the remainder is too long and there is a break available. + + if (line.length - start > width && curr > start) { + result += line.slice(start, curr) + '\n' + line.slice(curr + 1); + } else { + result += line.slice(start); + } + + return result.slice(1); // drop extra \n joiner +} // Escapes a double-quoted string. + + +function escapeString(string) { + var result = ''; + var char; + var escapeSeq; + + for (var i = 0; i < string.length; i++) { + char = string.charCodeAt(i); + escapeSeq = ESCAPE_SEQUENCES[char]; + result += !escapeSeq && isPrintable(char) ? string[i] : escapeSeq || encodeHex(char); + } + + return result; +} + +function writeFlowSequence(state, level, object) { + var _result = '', + _tag = state.tag, + index, + length; + + for (index = 0, length = object.length; index < length; index += 1) { + // Write only valid elements. + if (writeNode(state, level, object[index], false, false)) { + if (index !== 0) _result += ',' + (!state.condenseFlow ? ' ' : ''); + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = '[' + _result + ']'; +} + +function writeBlockSequence(state, level, object, compact) { + var _result = '', + _tag = state.tag, + index, + length; + + for (index = 0, length = object.length; index < length; index += 1) { + // Write only valid elements. + if (writeNode(state, level + 1, object[index], true, true)) { + if (!compact || index !== 0) { + _result += generateNextLine(state, level); + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + _result += '-'; + } else { + _result += '- '; + } + + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = _result || '[]'; // Empty sequence if no valid values. +} + +function writeFlowMapping(state, level, object) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + pairBuffer; + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + pairBuffer = ''; + if (index !== 0) pairBuffer += ', '; + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (!writeNode(state, level, objectKey, false, false)) { + continue; // Skip this pair because of invalid key; + } + + if (state.dump.length > 1024) pairBuffer += '? '; + pairBuffer += state.dump + ':' + (state.condenseFlow ? '' : ' '); + + if (!writeNode(state, level, objectValue, false, false)) { + continue; // Skip this pair because of invalid value. + } + + pairBuffer += state.dump; // Both key and value are valid. + + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = '{' + _result + '}'; +} + +function writeBlockMapping(state, level, object, compact) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + explicitPair, + pairBuffer; // Allow sorting keys so that the output file is deterministic + + if (state.sortKeys === true) { + // Default sorting + objectKeyList.sort(); + } else if (typeof state.sortKeys === 'function') { + // Custom sort function + objectKeyList.sort(state.sortKeys); + } else if (state.sortKeys) { + // Something is wrong + throw new exception('sortKeys must be a boolean or a function'); + } + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + pairBuffer = ''; + + if (!compact || index !== 0) { + pairBuffer += generateNextLine(state, level); + } + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (!writeNode(state, level + 1, objectKey, true, true, true)) { + continue; // Skip this pair because of invalid key. + } + + explicitPair = state.tag !== null && state.tag !== '?' || state.dump && state.dump.length > 1024; + + if (explicitPair) { + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += '?'; + } else { + pairBuffer += '? '; + } + } + + pairBuffer += state.dump; + + if (explicitPair) { + pairBuffer += generateNextLine(state, level); + } + + if (!writeNode(state, level + 1, objectValue, true, explicitPair)) { + continue; // Skip this pair because of invalid value. + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += ':'; + } else { + pairBuffer += ': '; + } + + pairBuffer += state.dump; // Both key and value are valid. + + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = _result || '{}'; // Empty mapping if no valid pairs. +} + +function detectType(state, object, explicit) { + var _result, typeList, index, length, type, style; + + typeList = explicit ? state.explicitTypes : state.implicitTypes; + + for (index = 0, length = typeList.length; index < length; index += 1) { + type = typeList[index]; + + if ((type.instanceOf || type.predicate) && (!type.instanceOf || typeof object === 'object' && object instanceof type.instanceOf) && (!type.predicate || type.predicate(object))) { + state.tag = explicit ? type.tag : '?'; + + if (type.represent) { + style = state.styleMap[type.tag] || type.defaultStyle; + + if (_toString$2.call(type.represent) === '[object Function]') { + _result = type.represent(object, style); + } else if (_hasOwnProperty$3.call(type.represent, style)) { + _result = type.represent[style](object, style); + } else { + throw new exception('!<' + type.tag + '> tag resolver accepts not "' + style + '" style'); + } + + state.dump = _result; + } + + return true; + } + } + + return false; +} // Serializes `object` and writes it to global `result`. +// Returns true on success, or false on invalid object. +// + + +function writeNode(state, level, object, block, compact, iskey) { + state.tag = null; + state.dump = object; + + if (!detectType(state, object, false)) { + detectType(state, object, true); + } + + var type = _toString$2.call(state.dump); + + if (block) { + block = state.flowLevel < 0 || state.flowLevel > level; + } + + var objectOrArray = type === '[object Object]' || type === '[object Array]', + duplicateIndex, + duplicate; + + if (objectOrArray) { + duplicateIndex = state.duplicates.indexOf(object); + duplicate = duplicateIndex !== -1; + } + + if (state.tag !== null && state.tag !== '?' || duplicate || state.indent !== 2 && level > 0) { + compact = false; + } + + if (duplicate && state.usedDuplicates[duplicateIndex]) { + state.dump = '*ref_' + duplicateIndex; + } else { + if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) { + state.usedDuplicates[duplicateIndex] = true; + } + + if (type === '[object Object]') { + if (block && Object.keys(state.dump).length !== 0) { + writeBlockMapping(state, level, state.dump, compact); + + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowMapping(state, level, state.dump); + + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object Array]') { + if (block && state.dump.length !== 0) { + writeBlockSequence(state, level, state.dump, compact); + + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowSequence(state, level, state.dump); + + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object String]') { + if (state.tag !== '?') { + writeScalar(state, state.dump, level, iskey); + } + } else { + if (state.skipInvalid) return false; + throw new exception('unacceptable kind of an object to dump ' + type); + } + + if (state.tag !== null && state.tag !== '?') { + state.dump = '!<' + state.tag + '> ' + state.dump; + } + } + + return true; +} + +function getDuplicateReferences(object, state) { + var objects = [], + duplicatesIndexes = [], + index, + length; + inspectNode(object, objects, duplicatesIndexes); + + for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) { + state.duplicates.push(objects[duplicatesIndexes[index]]); + } + + state.usedDuplicates = new Array(length); +} + +function inspectNode(object, objects, duplicatesIndexes) { + var objectKeyList, index, length; + + if (object !== null && typeof object === 'object') { + index = objects.indexOf(object); + + if (index !== -1) { + if (duplicatesIndexes.indexOf(index) === -1) { + duplicatesIndexes.push(index); + } + } else { + objects.push(object); + + if (Array.isArray(object)) { + for (index = 0, length = object.length; index < length; index += 1) { + inspectNode(object[index], objects, duplicatesIndexes); + } + } else { + objectKeyList = Object.keys(object); + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes); + } + } + } + } +} + +function dump$1(input, options) { + options = options || {}; + var state = new State$1(options); + if (!state.noRefs) getDuplicateReferences(input, state); + if (writeNode(state, 0, input, true, true)) return state.dump + '\n'; + return ''; +} + +function safeDump$1(input, options) { + return dump$1(input, common.extend({ + schema: default_safe + }, options)); +} + +var dump_1 = dump$1; +var safeDump_1 = safeDump$1; +var dumper = { + dump: dump_1, + safeDump: safeDump_1 +}; + +function deprecated(name) { + return function () { + throw new Error('Function ' + name + ' is deprecated and cannot be used.'); + }; +} + +var Type = type; +var Schema = schema; +var FAILSAFE_SCHEMA = failsafe; +var JSON_SCHEMA = json; +var CORE_SCHEMA = core; +var DEFAULT_SAFE_SCHEMA = default_safe; +var DEFAULT_FULL_SCHEMA = default_full; +var load = loader.load; +var loadAll = loader.loadAll; +var safeLoad = loader.safeLoad; +var safeLoadAll = loader.safeLoadAll; +var dump = dumper.dump; +var safeDump = dumper.safeDump; +var YAMLException = exception; // Deprecated schema names from JS-YAML 2.0.x + +var MINIMAL_SCHEMA = failsafe; +var SAFE_SCHEMA = default_safe; +var DEFAULT_SCHEMA = default_full; // Deprecated functions from JS-YAML 1.x.x + +var scan = deprecated('scan'); +var parse = deprecated('parse'); +var compose = deprecated('compose'); +var addConstructor = deprecated('addConstructor'); +var jsYaml$2 = { + Type: Type, + Schema: Schema, + FAILSAFE_SCHEMA: FAILSAFE_SCHEMA, + JSON_SCHEMA: JSON_SCHEMA, + CORE_SCHEMA: CORE_SCHEMA, + DEFAULT_SAFE_SCHEMA: DEFAULT_SAFE_SCHEMA, + DEFAULT_FULL_SCHEMA: DEFAULT_FULL_SCHEMA, + load: load, + loadAll: loadAll, + safeLoad: safeLoad, + safeLoadAll: safeLoadAll, + dump: dump, + safeDump: safeDump, + YAMLException: YAMLException, + MINIMAL_SCHEMA: MINIMAL_SCHEMA, + SAFE_SCHEMA: SAFE_SCHEMA, + DEFAULT_SCHEMA: DEFAULT_SCHEMA, + scan: scan, + parse: parse, + compose: compose, + addConstructor: addConstructor +}; + +var jsYaml = jsYaml$2; + +var requireFromString = createCommonjsModule(function (module) { + 'use strict'; + + module.exports = function requireFromString(code, filename, opts) { + if (typeof filename === 'object') { + opts = filename; + filename = undefined; + } + + opts = opts || {}; + filename = filename || ''; + opts.appendPaths = opts.appendPaths || []; + opts.prependPaths = opts.prependPaths || []; + + if (typeof code !== 'string') { + throw new Error('code must be a string, not ' + typeof code); + } + + var paths = module$1._nodeModulePaths(path.dirname(filename)); + + var parent = module.parent || module; + var m = new module$1(filename, parent); + m.filename = filename; + m.paths = [].concat(opts.prependPaths).concat(paths).concat(opts.appendPaths); + + m._compile(code, filename); + + var exports = m.exports; + parent.children && parent.children.splice(parent.children.indexOf(m), 1); + return exports; + }; +}); + +// +var chainFuncsAsync = function chainFuncsAsync(result, func) { + return result.then(func); +}; + +var chainFuncsSync = function chainFuncsSync(result, func) { + return func(result); +}; +/** + * Runs the given functions sequentially. If the `init` param is a promise, + * functions are chained using `p.then()`. Otherwise, functions are chained by passing + * the result of each function to the next. + */ + + +var funcRunner = function funcRunner(init, funcs) { + var isAsync = init instanceof Promise; + return funcs.reduce(isAsync === true ? chainFuncsAsync : chainFuncsSync, init); +}; + +var loadRc = function loadRc(filepath, options) { + if (!options.sync) { + return readFile_1(filepath).then(parseExtensionlessRcFile).then(checkExtensionlessRcResult); + } else { + return checkExtensionlessRcResult(parseExtensionlessRcFile(readFile_1.sync(filepath))); + } + + function checkExtensionlessRcResult(result) { + if (result) return result; + if (options.rcExtensions) return loadRcWithExtensions(); + return null; + } + + function parseExtensionlessRcFile(content) { + if (!content) return null; + var pasedConfig = options.rcStrictJson ? parseJson_1(content, filepath) : jsYaml.safeLoad(content, { + filename: filepath + }); + return { + config: pasedConfig, + filepath + }; + } + + function loadRcWithExtensions() { + var foundConfig = null; + return funcRunner(readRcFile('json'), [function (jsonContent) { + // Since this is the first try, config cannot have been found, so don't + // check `if (foundConfig)`. + if (jsonContent) { + var successFilepath = `${filepath}.json`; + foundConfig = { + config: parseJson_1(jsonContent, successFilepath), + filepath: successFilepath + }; + } else { + return readRcFile('yaml'); + } + }, function (yamlContent) { + if (foundConfig) { + return; + } else if (yamlContent) { + var successFilepath = `${filepath}.yaml`; + foundConfig = { + config: jsYaml.safeLoad(yamlContent, { + filename: successFilepath + }), + filepath: successFilepath + }; + } else { + return readRcFile('yml'); + } + }, function (ymlContent) { + if (foundConfig) { + return; + } else if (ymlContent) { + var successFilepath = `${filepath}.yml`; + foundConfig = { + config: jsYaml.safeLoad(ymlContent, { + filename: successFilepath + }), + filepath: successFilepath + }; + } else { + return readRcFile('js'); + } + }, function (jsContent) { + if (foundConfig) { + return; + } else if (jsContent) { + var successFilepath = `${filepath}.js`; + foundConfig = { + config: requireFromString(jsContent, successFilepath), + filepath: successFilepath + }; + } else { + return; + } + }, function () { + return foundConfig; + }]); + } + + function readRcFile(extension) { + var filepathWithExtension = `${filepath}.${extension}`; + return !options.sync ? readFile_1(filepathWithExtension) : readFile_1.sync(filepathWithExtension); + } +}; + +var loadJs = function loadJs(filepath, options) { + function parseJsFile(content) { + if (!content) return null; + return { + config: requireFromString(content, filepath), + filepath + }; + } + + return !options.sync ? readFile_1(filepath).then(parseJsFile) : parseJsFile(readFile_1.sync(filepath)); +}; + +var loadDefinedFile = function loadDefinedFile(filepath, options) { + function parseContent(content) { + if (!content) { + throw new Error(`Config file is empty! Filepath - "${filepath}".`); + } + + var parsedConfig; + + switch (options.format || inferFormat(filepath)) { + case 'json': + parsedConfig = parseJson_1(content, filepath); + break; + + case 'yaml': + parsedConfig = jsYaml.safeLoad(content, { + filename: filepath + }); + break; + + case 'js': + parsedConfig = requireFromString(content, filepath); + break; + + default: + parsedConfig = tryAllParsing(content, filepath); + } + + if (!parsedConfig) { + throw new Error(`Failed to parse "${filepath}" as JSON, JS, or YAML.`); + } + + return { + config: parsedConfig, + filepath + }; + } + + return !options.sync ? readFile_1(filepath, { + throwNotFound: true + }).then(parseContent) : parseContent(readFile_1.sync(filepath, { + throwNotFound: true + })); +}; + +function inferFormat(filepath) { + switch (path.extname(filepath)) { + case '.js': + return 'js'; + + case '.json': + return 'json'; + // istanbul ignore next + + case '.yml': + case '.yaml': + return 'yaml'; + + default: + return undefined; + } +} + +function tryAllParsing(content, filepath) { + return tryYaml(content, filepath, function () { + return tryRequire(content, filepath, function () { + return null; + }); + }); +} + +function tryYaml(content, filepath, cb) { + try { + var result = jsYaml.safeLoad(content, { + filename: filepath + }); + + if (typeof result === 'string') { + return cb(); + } + + return result; + } catch (e) { + return cb(); + } +} + +function tryRequire(content, filepath, cb) { + try { + return requireFromString(content, filepath); + } catch (e) { + return cb(); + } +} + +/** + * async + */ + + +function isDirectory(filepath, cb) { + if (typeof cb !== 'function') { + throw new Error('expected a callback function'); + } + + if (typeof filepath !== 'string') { + cb(new Error('expected filepath to be a string')); + return; + } + + fs.stat(filepath, function (err, stats) { + if (err) { + if (err.code === 'ENOENT') { + cb(null, false); + return; + } + + cb(err); + return; + } + + cb(null, stats.isDirectory()); + }); +} +/** + * sync + */ + + +isDirectory.sync = function isDirectorySync(filepath) { + if (typeof filepath !== 'string') { + throw new Error('expected filepath to be a string'); + } + + try { + var stat = fs.statSync(filepath); + return stat.isDirectory(); + } catch (err) { + if (err.code === 'ENOENT') { + return false; + } else { + throw err; + } + } + + return false; +}; +/** + * Expose `isDirectory` + */ + + +var isDirectory_1 = isDirectory; + +var getDirectory = function getDirectory(filepath, sync) { + if (sync === true) { + return isDirectory_1.sync(filepath) ? filepath : path.dirname(filepath); + } + + return new Promise(function (resolve, reject) { + return isDirectory_1(filepath, function (err, filepathIsDirectory) { + if (err) { + return reject(err); + } + + return resolve(filepathIsDirectory ? filepath : path.dirname(filepath)); + }); + }); +}; + +var createExplorer = function createExplorer(options) { + // When `options.sync` is `false` (default), + // these cache Promises that resolve with results, not the results themselves. + var fileCache = options.cache ? new Map() : null; + var directoryCache = options.cache ? new Map() : null; + var transform = options.transform || identity; + var packageProp = options.packageProp; + + function clearFileCache() { + if (fileCache) fileCache.clear(); + } + + function clearDirectoryCache() { + if (directoryCache) directoryCache.clear(); + } + + function clearCaches() { + clearFileCache(); + clearDirectoryCache(); + } + + function throwError(error) { + if (options.sync) { + throw error; + } else { + return Promise.reject(error); + } + } + + function load(searchPath, configPath) { + if (!configPath && options.configPath) { + configPath = options.configPath; + } + + if (configPath) { + var absoluteConfigPath = path.resolve(process.cwd(), configPath); + + if (fileCache && fileCache.has(absoluteConfigPath)) { + return fileCache.get(absoluteConfigPath); + } + + var _load; + + if (path.basename(absoluteConfigPath) === 'package.json') { + if (!packageProp) { + return throwError(new Error('Please specify the packageProp option. The configPath argument cannot point to a package.json file if packageProp is false.')); + } + + _load = function _load() { + return loadPackageProp(path.dirname(absoluteConfigPath), { + packageProp, + sync: options.sync + }); + }; + } else { + _load = function _load() { + return loadDefinedFile(absoluteConfigPath, { + sync: options.sync, + format: options.format + }); + }; + } + + var loadResult = _load(); + + var result = loadResult instanceof Promise ? loadResult.then(transform) : transform(loadResult); + if (fileCache) fileCache.set(absoluteConfigPath, result); + return result; + } + + if (!searchPath) return !options.sync ? Promise.resolve(null) : null; + var absoluteSearchPath = path.resolve(process.cwd(), searchPath); + var searchPathDir = getDirectory(absoluteSearchPath, options.sync); + return searchPathDir instanceof Promise ? searchPathDir.then(searchDirectory) : searchDirectory(searchPathDir); + } + + function searchDirectory(directory) { + if (directoryCache && directoryCache.has(directory)) { + return directoryCache.get(directory); + } + + var result = funcRunner(!options.sync ? Promise.resolve() : undefined, [function () { + if (!packageProp) return; + return loadPackageProp(directory, { + packageProp, + sync: options.sync + }); + }, function (result) { + if (result || !options.rc) return result; + return loadRc(path.join(directory, options.rc), { + sync: options.sync, + rcStrictJson: options.rcStrictJson, + rcExtensions: options.rcExtensions + }); + }, function (result) { + if (result || !options.js) return result; + return loadJs(path.join(directory, options.js), { + sync: options.sync + }); + }, function (result) { + if (result) return result; + var nextDirectory = path.dirname(directory); + if (nextDirectory === directory || directory === options.stopDir) return null; + return searchDirectory(nextDirectory); + }, transform]); + if (directoryCache) directoryCache.set(directory, result); + return result; + } + + return { + load, + clearFileCache, + clearDirectoryCache, + clearCaches + }; +}; + +function identity(x) { + return x; +} + +var homedir = os.homedir(); + +var dist = function cosmiconfig(moduleName, options) { + options = Object.assign({}, { + packageProp: moduleName, + rc: `.${moduleName}rc`, + js: `${moduleName}.config.js`, + rcStrictJson: false, + stopDir: homedir, + cache: true, + sync: false + }, options); + return createExplorer(options); +}; + +var findParentDir$1 = createCommonjsModule(function (module, exports) { + 'use strict'; + + var exists = fs.exists || path.exists, + existsSync = fs.existsSync || path.existsSync; + + function splitPath(path$$2) { + var parts = path$$2.split(/(\/|\\)/); + if (!parts.length) return parts; // when path starts with a slash, the first part is empty string + + return !parts[0].length ? parts.slice(1) : parts; + } + + exports = module.exports = function (currentFullPath, clue, cb) { + function testDir(parts) { + if (parts.length === 0) return cb(null, null); + var p = parts.join(''); + exists(path.join(p, clue), function (itdoes) { + if (itdoes) return cb(null, p); + testDir(parts.slice(0, -1)); + }); + } + + testDir(splitPath(currentFullPath)); + }; + + exports.sync = function (currentFullPath, clue) { + function testDir(parts) { + if (parts.length === 0) return null; + var p = parts.join(''); + var itdoes = existsSync(path.join(p, clue)); + return itdoes ? p : testDir(parts.slice(0, -1)); + } + + return testDir(splitPath(currentFullPath)); + }; +}); + +var findParentDir = findParentDir$1.sync; +var thirdParty = { + getStream: getStream_1, + cosmiconfig: dist, + findParentDir +}; + +module.exports = thirdParty; -- cgit v1.2.3