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| author | ruki <waruqi@gmail.com> | 2018-11-08 00:38:48 +0800 |
|---|---|---|
| committer | ruki <waruqi@gmail.com> | 2018-11-07 21:53:09 +0800 |
| commit | 26105034da4fcce7ac883c899d781f016559310d (patch) | |
| tree | c459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/@babel/core/lib/tools/build-external-helpers.js | |
| parent | 2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff) | |
| download | xmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip | |
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Diffstat (limited to 'node_modules/@babel/core/lib/tools/build-external-helpers.js')
| -rw-r--r-- | node_modules/@babel/core/lib/tools/build-external-helpers.js | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/node_modules/@babel/core/lib/tools/build-external-helpers.js b/node_modules/@babel/core/lib/tools/build-external-helpers.js new file mode 100644 index 00000000..02af09e7 --- /dev/null +++ b/node_modules/@babel/core/lib/tools/build-external-helpers.js @@ -0,0 +1,144 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.default = _default; + +function helpers() { + const data = _interopRequireWildcard(require("@babel/helpers")); + + helpers = function helpers() { + return data; + }; + + return data; +} + +function _generator() { + const data = _interopRequireDefault(require("@babel/generator")); + + _generator = function _generator() { + return data; + }; + + return data; +} + +function _template() { + const data = _interopRequireDefault(require("@babel/template")); + + _template = function _template() { + return data; + }; + + return data; +} + +function t() { + const data = _interopRequireWildcard(require("@babel/types")); + + t = function t() { + return data; + }; + + return data; +} + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } } + +const buildUmdWrapper = replacements => _template().default` + (function (root, factory) { + if (typeof define === "function" && define.amd) { + define(AMD_ARGUMENTS, factory); + } else if (typeof exports === "object") { + factory(COMMON_ARGUMENTS); + } else { + factory(BROWSER_ARGUMENTS); + } + })(UMD_ROOT, function (FACTORY_PARAMETERS) { + FACTORY_BODY + }); + `(replacements); + +function buildGlobal(whitelist) { + const namespace = t().identifier("babelHelpers"); + const body = []; + const container = t().functionExpression(null, [t().identifier("global")], t().blockStatement(body)); + const tree = t().program([t().expressionStatement(t().callExpression(container, [t().conditionalExpression(t().binaryExpression("===", t().unaryExpression("typeof", t().identifier("global")), t().stringLiteral("undefined")), t().identifier("self"), t().identifier("global"))]))]); + body.push(t().variableDeclaration("var", [t().variableDeclarator(namespace, t().assignmentExpression("=", t().memberExpression(t().identifier("global"), namespace), t().objectExpression([])))])); + buildHelpers(body, namespace, whitelist); + return tree; +} + +function buildModule(whitelist) { + const body = []; + const refs = buildHelpers(body, null, whitelist); + body.unshift(t().exportNamedDeclaration(null, Object.keys(refs).map(name => { + return t().exportSpecifier(t().cloneNode(refs[name]), t().identifier(name)); + }))); + return t().program(body, [], "module"); +} + +function buildUmd(whitelist) { + const namespace = t().identifier("babelHelpers"); + const body = []; + body.push(t().variableDeclaration("var", [t().variableDeclarator(namespace, t().identifier("global"))])); + buildHelpers(body, namespace, whitelist); + return t().program([buildUmdWrapper({ + FACTORY_PARAMETERS: t().identifier("global"), + BROWSER_ARGUMENTS: t().assignmentExpression("=", t().memberExpression(t().identifier("root"), namespace), t().objectExpression([])), + COMMON_ARGUMENTS: t().identifier("exports"), + AMD_ARGUMENTS: t().arrayExpression([t().stringLiteral("exports")]), + FACTORY_BODY: body, + UMD_ROOT: t().identifier("this") + })]); +} + +function buildVar(whitelist) { + const namespace = t().identifier("babelHelpers"); + const body = []; + body.push(t().variableDeclaration("var", [t().variableDeclarator(namespace, t().objectExpression([]))])); + const tree = t().program(body); + buildHelpers(body, namespace, whitelist); + body.push(t().expressionStatement(namespace)); + return tree; +} + +function buildHelpers(body, namespace, whitelist) { + const getHelperReference = name => { + return namespace ? t().memberExpression(namespace, t().identifier(name)) : t().identifier(`_${name}`); + }; + + const refs = {}; + helpers().list.forEach(function (name) { + if (whitelist && whitelist.indexOf(name) < 0) return; + const ref = refs[name] = getHelperReference(name); + + const _helpers$get = helpers().get(name, getHelperReference, ref), + nodes = _helpers$get.nodes; + + body.push(...nodes); + }); + return refs; +} + +function _default(whitelist, outputType = "global") { + let tree; + const build = { + global: buildGlobal, + module: buildModule, + umd: buildUmd, + var: buildVar + }[outputType]; + + if (build) { + tree = build(whitelist); + } else { + throw new Error(`Unsupported output type ${outputType}`); + } + + return (0, _generator().default)(tree).code; +}
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