diff options
Diffstat (limited to 'node_modules/@babel/helper-module-transforms/lib/index.js')
| -rw-r--r-- | node_modules/@babel/helper-module-transforms/lib/index.js | 466 |
1 files changed, 466 insertions, 0 deletions
diff --git a/node_modules/@babel/helper-module-transforms/lib/index.js b/node_modules/@babel/helper-module-transforms/lib/index.js new file mode 100644 index 00000000..996f8b9d --- /dev/null +++ b/node_modules/@babel/helper-module-transforms/lib/index.js @@ -0,0 +1,466 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.rewriteModuleStatementsAndPrepareHeader = rewriteModuleStatementsAndPrepareHeader; +exports.ensureStatementsHoisted = ensureStatementsHoisted; +exports.wrapInterop = wrapInterop; +exports.buildNamespaceInitStatements = buildNamespaceInitStatements; +Object.defineProperty(exports, "isModule", { + enumerable: true, + get: function get() { + return _helperModuleImports().isModule; + } +}); +Object.defineProperty(exports, "hasExports", { + enumerable: true, + get: function get() { + return _normalizeAndLoadMetadata.hasExports; + } +}); +Object.defineProperty(exports, "isSideEffectImport", { + enumerable: true, + get: function get() { + return _normalizeAndLoadMetadata.isSideEffectImport; + } +}); + +function _assert() { + const data = _interopRequireDefault(require("assert")); + + _assert = function _assert() { + return data; + }; + + return data; +} + +function t() { + const data = _interopRequireWildcard(require("@babel/types")); + + t = function t() { + return data; + }; + + return data; +} + +function _template() { + const data = _interopRequireDefault(require("@babel/template")); + + _template = function _template() { + return data; + }; + + return data; +} + +function _chunk() { + const data = _interopRequireDefault(require("lodash/chunk")); + + _chunk = function _chunk() { + return data; + }; + + return data; +} + +function _helperModuleImports() { + const data = require("@babel/helper-module-imports"); + + _helperModuleImports = function _helperModuleImports() { + return data; + }; + + return data; +} + +var _rewriteThis = _interopRequireDefault(require("./rewrite-this")); + +var _rewriteLiveReferences = _interopRequireDefault(require("./rewrite-live-references")); + +var _normalizeAndLoadMetadata = _interopRequireWildcard(require("./normalize-and-load-metadata")); + +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; } } + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +function rewriteModuleStatementsAndPrepareHeader(path, { + exportName, + strict, + allowTopLevelThis, + strictMode, + loose, + noInterop, + lazy, + esNamespaceOnly +}) { + (0, _assert().default)((0, _helperModuleImports().isModule)(path), "Cannot process module statements in a script"); + path.node.sourceType = "script"; + const meta = (0, _normalizeAndLoadMetadata.default)(path, exportName, { + noInterop, + loose, + lazy, + esNamespaceOnly + }); + + if (!allowTopLevelThis) { + (0, _rewriteThis.default)(path); + } + + (0, _rewriteLiveReferences.default)(path, meta); + + if (strictMode !== false) { + const hasStrict = path.node.directives.some(directive => { + return directive.value.value === "use strict"; + }); + + if (!hasStrict) { + path.unshiftContainer("directives", t().directive(t().directiveLiteral("use strict"))); + } + } + + const headers = []; + + if ((0, _normalizeAndLoadMetadata.hasExports)(meta) && !strict) { + headers.push(buildESModuleHeader(meta, loose)); + } + + const nameList = buildExportNameListDeclaration(path, meta); + + if (nameList) { + meta.exportNameListName = nameList.name; + headers.push(nameList.statement); + } + + headers.push(...buildExportInitializationStatements(path, meta, loose)); + return { + meta, + headers + }; +} + +function ensureStatementsHoisted(statements) { + statements.forEach(header => { + header._blockHoist = 3; + }); +} + +function wrapInterop(programPath, expr, type) { + if (type === "none") { + return null; + } + + let helper; + + if (type === "default") { + helper = "interopRequireDefault"; + } else if (type === "namespace") { + helper = "interopRequireWildcard"; + } else { + throw new Error(`Unknown interop: ${type}`); + } + + return t().callExpression(programPath.hub.file.addHelper(helper), [expr]); +} + +function buildNamespaceInitStatements(metadata, sourceMetadata, loose = false) { + const statements = []; + let srcNamespace = t().identifier(sourceMetadata.name); + if (sourceMetadata.lazy) srcNamespace = t().callExpression(srcNamespace, []); + + for (var _iterator = sourceMetadata.importsNamespace, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { + var _ref; + + if (_isArray) { + if (_i >= _iterator.length) break; + _ref = _iterator[_i++]; + } else { + _i = _iterator.next(); + if (_i.done) break; + _ref = _i.value; + } + + const localName = _ref; + if (localName === sourceMetadata.name) continue; + statements.push(_template().default.statement`var NAME = SOURCE;`({ + NAME: localName, + SOURCE: t().cloneNode(srcNamespace) + })); + } + + if (loose) { + statements.push(...buildReexportsFromMeta(metadata, sourceMetadata, loose)); + } + + for (var _iterator2 = sourceMetadata.reexportNamespace, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) { + var _ref2; + + if (_isArray2) { + if (_i2 >= _iterator2.length) break; + _ref2 = _iterator2[_i2++]; + } else { + _i2 = _iterator2.next(); + if (_i2.done) break; + _ref2 = _i2.value; + } + + const exportName = _ref2; + statements.push((sourceMetadata.lazy ? _template().default.statement` + Object.defineProperty(EXPORTS, "NAME", { + enumerable: true, + get: function() { + return NAMESPACE; + } + }); + ` : _template().default.statement`EXPORTS.NAME = NAMESPACE;`)({ + EXPORTS: metadata.exportName, + NAME: exportName, + NAMESPACE: t().cloneNode(srcNamespace) + })); + } + + if (sourceMetadata.reexportAll) { + const statement = buildNamespaceReexport(metadata, t().cloneNode(srcNamespace), loose); + statement.loc = sourceMetadata.reexportAll.loc; + statements.push(statement); + } + + return statements; +} + +const getTemplateForReexport = loose => { + return loose ? _template().default.statement`EXPORTS.EXPORT_NAME = NAMESPACE.IMPORT_NAME;` : _template().default` + Object.defineProperty(EXPORTS, "EXPORT_NAME", { + enumerable: true, + get: function() { + return NAMESPACE.IMPORT_NAME; + }, + }); + `; +}; + +const buildReexportsFromMeta = (meta, metadata, loose) => { + const namespace = metadata.lazy ? t().callExpression(t().identifier(metadata.name), []) : t().identifier(metadata.name); + const templateForCurrentMode = getTemplateForReexport(loose); + return Array.from(metadata.reexports, ([exportName, importName]) => templateForCurrentMode({ + EXPORTS: meta.exportName, + EXPORT_NAME: exportName, + NAMESPACE: t().cloneNode(namespace), + IMPORT_NAME: importName + })); +}; + +function buildESModuleHeader(metadata, enumerable = false) { + return (enumerable ? _template().default.statement` + EXPORTS.__esModule = true; + ` : _template().default.statement` + Object.defineProperty(EXPORTS, "__esModule", { + value: true, + }); + `)({ + EXPORTS: metadata.exportName + }); +} + +function buildNamespaceReexport(metadata, namespace, loose) { + return (loose ? _template().default.statement` + Object.keys(NAMESPACE).forEach(function(key) { + if (key === "default" || key === "__esModule") return; + VERIFY_NAME_LIST; + + EXPORTS[key] = NAMESPACE[key]; + }); + ` : _template().default.statement` + Object.keys(NAMESPACE).forEach(function(key) { + if (key === "default" || key === "__esModule") return; + VERIFY_NAME_LIST; + + Object.defineProperty(EXPORTS, key, { + enumerable: true, + get: function() { + return NAMESPACE[key]; + }, + }); + }); + `)({ + NAMESPACE: namespace, + EXPORTS: metadata.exportName, + VERIFY_NAME_LIST: metadata.exportNameListName ? _template().default` + if (Object.prototype.hasOwnProperty.call(EXPORTS_LIST, key)) return; + `({ + EXPORTS_LIST: metadata.exportNameListName + }) : null + }); +} + +function buildExportNameListDeclaration(programPath, metadata) { + const exportedVars = Object.create(null); + + for (var _iterator3 = metadata.local.values(), _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) { + var _ref3; + + if (_isArray3) { + if (_i3 >= _iterator3.length) break; + _ref3 = _iterator3[_i3++]; + } else { + _i3 = _iterator3.next(); + if (_i3.done) break; + _ref3 = _i3.value; + } + + const data = _ref3; + + for (var _iterator5 = data.names, _isArray5 = Array.isArray(_iterator5), _i5 = 0, _iterator5 = _isArray5 ? _iterator5 : _iterator5[Symbol.iterator]();;) { + var _ref5; + + if (_isArray5) { + if (_i5 >= _iterator5.length) break; + _ref5 = _iterator5[_i5++]; + } else { + _i5 = _iterator5.next(); + if (_i5.done) break; + _ref5 = _i5.value; + } + + const name = _ref5; + exportedVars[name] = true; + } + } + + let hasReexport = false; + + for (var _iterator4 = metadata.source.values(), _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { + var _ref4; + + if (_isArray4) { + if (_i4 >= _iterator4.length) break; + _ref4 = _iterator4[_i4++]; + } else { + _i4 = _iterator4.next(); + if (_i4.done) break; + _ref4 = _i4.value; + } + + const data = _ref4; + + for (var _iterator6 = data.reexports.keys(), _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { + var _ref6; + + if (_isArray6) { + if (_i6 >= _iterator6.length) break; + _ref6 = _iterator6[_i6++]; + } else { + _i6 = _iterator6.next(); + if (_i6.done) break; + _ref6 = _i6.value; + } + + const exportName = _ref6; + exportedVars[exportName] = true; + } + + for (var _iterator7 = data.reexportNamespace, _isArray7 = Array.isArray(_iterator7), _i7 = 0, _iterator7 = _isArray7 ? _iterator7 : _iterator7[Symbol.iterator]();;) { + var _ref7; + + if (_isArray7) { + if (_i7 >= _iterator7.length) break; + _ref7 = _iterator7[_i7++]; + } else { + _i7 = _iterator7.next(); + if (_i7.done) break; + _ref7 = _i7.value; + } + + const exportName = _ref7; + exportedVars[exportName] = true; + } + + hasReexport = hasReexport || data.reexportAll; + } + + if (!hasReexport || Object.keys(exportedVars).length === 0) return null; + const name = programPath.scope.generateUidIdentifier("exportNames"); + delete exportedVars.default; + return { + name: name.name, + statement: t().variableDeclaration("var", [t().variableDeclarator(name, t().valueToNode(exportedVars))]) + }; +} + +function buildExportInitializationStatements(programPath, metadata, loose = false) { + const initStatements = []; + const exportNames = []; + + for (var _iterator8 = metadata.local, _isArray8 = Array.isArray(_iterator8), _i8 = 0, _iterator8 = _isArray8 ? _iterator8 : _iterator8[Symbol.iterator]();;) { + var _ref8; + + if (_isArray8) { + if (_i8 >= _iterator8.length) break; + _ref8 = _iterator8[_i8++]; + } else { + _i8 = _iterator8.next(); + if (_i8.done) break; + _ref8 = _i8.value; + } + + const _ref10 = _ref8, + localName = _ref10[0], + data = _ref10[1]; + + if (data.kind === "import") {} else if (data.kind === "hoisted") { + initStatements.push(buildInitStatement(metadata, data.names, t().identifier(localName))); + } else { + exportNames.push(...data.names); + } + } + + for (var _iterator9 = metadata.source.values(), _isArray9 = Array.isArray(_iterator9), _i9 = 0, _iterator9 = _isArray9 ? _iterator9 : _iterator9[Symbol.iterator]();;) { + var _ref9; + + if (_isArray9) { + if (_i9 >= _iterator9.length) break; + _ref9 = _iterator9[_i9++]; + } else { + _i9 = _iterator9.next(); + if (_i9.done) break; + _ref9 = _i9.value; + } + + const data = _ref9; + + if (!loose) { + initStatements.push(...buildReexportsFromMeta(metadata, data, loose)); + } + + for (var _iterator10 = data.reexportNamespace, _isArray10 = Array.isArray(_iterator10), _i10 = 0, _iterator10 = _isArray10 ? _iterator10 : _iterator10[Symbol.iterator]();;) { + var _ref11; + + if (_isArray10) { + if (_i10 >= _iterator10.length) break; + _ref11 = _iterator10[_i10++]; + } else { + _i10 = _iterator10.next(); + if (_i10.done) break; + _ref11 = _i10.value; + } + + const exportName = _ref11; + exportNames.push(exportName); + } + } + + initStatements.push(...(0, _chunk().default)(exportNames, 100).map(members => { + return buildInitStatement(metadata, members, programPath.scope.buildUndefinedNode()); + })); + return initStatements; +} + +function buildInitStatement(metadata, exportNames, initExpr) { + return t().expressionStatement(exportNames.reduce((acc, exportName) => _template().default.expression`EXPORTS.NAME = VALUE`({ + EXPORTS: metadata.exportName, + NAME: exportName, + VALUE: acc + }), initExpr)); +}
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