| "use strict"; |
| |
| Object.defineProperty(exports, "__esModule", { |
| value: true |
| }); |
| Object.defineProperty(exports, "buildDynamicImport", { |
| enumerable: true, |
| get: function () { |
| return _dynamicImport.buildDynamicImport; |
| } |
| }); |
| exports.buildNamespaceInitStatements = buildNamespaceInitStatements; |
| exports.ensureStatementsHoisted = ensureStatementsHoisted; |
| Object.defineProperty(exports, "getModuleName", { |
| enumerable: true, |
| get: function () { |
| return _getModuleName.default; |
| } |
| }); |
| Object.defineProperty(exports, "hasExports", { |
| enumerable: true, |
| get: function () { |
| return _normalizeAndLoadMetadata.hasExports; |
| } |
| }); |
| Object.defineProperty(exports, "isModule", { |
| enumerable: true, |
| get: function () { |
| return _helperModuleImports.isModule; |
| } |
| }); |
| Object.defineProperty(exports, "isSideEffectImport", { |
| enumerable: true, |
| get: function () { |
| return _normalizeAndLoadMetadata.isSideEffectImport; |
| } |
| }); |
| exports.rewriteModuleStatementsAndPrepareHeader = rewriteModuleStatementsAndPrepareHeader; |
| Object.defineProperty(exports, "rewriteThis", { |
| enumerable: true, |
| get: function () { |
| return _rewriteThis.default; |
| } |
| }); |
| exports.wrapInterop = wrapInterop; |
| var _assert = require("assert"); |
| var _core = require("@babel/core"); |
| var _helperModuleImports = require("@babel/helper-module-imports"); |
| var _rewriteThis = require("./rewrite-this.js"); |
| var _rewriteLiveReferences = require("./rewrite-live-references.js"); |
| var _normalizeAndLoadMetadata = require("./normalize-and-load-metadata.js"); |
| var Lazy = require("./lazy-modules.js"); |
| var _dynamicImport = require("./dynamic-import.js"); |
| var _getModuleName = require("./get-module-name.js"); |
| { |
| exports.getDynamicImportSource = require("./dynamic-import").getDynamicImportSource; |
| } |
| function rewriteModuleStatementsAndPrepareHeader(path, { |
| exportName, |
| strict, |
| allowTopLevelThis, |
| strictMode, |
| noInterop, |
| importInterop = noInterop ? "none" : "babel", |
| lazy, |
| getWrapperPayload = Lazy.toGetWrapperPayload(lazy != null ? lazy : false), |
| wrapReference = Lazy.wrapReference, |
| esNamespaceOnly, |
| filename, |
| constantReexports = arguments[1].loose, |
| enumerableModuleMeta = arguments[1].loose, |
| noIncompleteNsImportDetection |
| }) { |
| (0, _normalizeAndLoadMetadata.validateImportInteropOption)(importInterop); |
| _assert((0, _helperModuleImports.isModule)(path), "Cannot process module statements in a script"); |
| path.node.sourceType = "script"; |
| const meta = (0, _normalizeAndLoadMetadata.default)(path, exportName, { |
| importInterop, |
| initializeReexports: constantReexports, |
| getWrapperPayload, |
| esNamespaceOnly, |
| filename |
| }); |
| if (!allowTopLevelThis) { |
| (0, _rewriteThis.default)(path); |
| } |
| (0, _rewriteLiveReferences.default)(path, meta, wrapReference); |
| if (strictMode !== false) { |
| const hasStrict = path.node.directives.some(directive => { |
| return directive.value.value === "use strict"; |
| }); |
| if (!hasStrict) { |
| path.unshiftContainer("directives", _core.types.directive(_core.types.directiveLiteral("use strict"))); |
| } |
| } |
| const headers = []; |
| if ((0, _normalizeAndLoadMetadata.hasExports)(meta) && !strict) { |
| headers.push(buildESModuleHeader(meta, enumerableModuleMeta)); |
| } |
| const nameList = buildExportNameListDeclaration(path, meta); |
| if (nameList) { |
| meta.exportNameListName = nameList.name; |
| headers.push(nameList.statement); |
| } |
| headers.push(...buildExportInitializationStatements(path, meta, wrapReference, constantReexports, noIncompleteNsImportDetection)); |
| return { |
| meta, |
| headers |
| }; |
| } |
| function ensureStatementsHoisted(statements) { |
| statements.forEach(header => { |
| header._blockHoist = 3; |
| }); |
| } |
| function wrapInterop(programPath, expr, type) { |
| if (type === "none") { |
| return null; |
| } |
| if (type === "node-namespace") { |
| return _core.types.callExpression(programPath.hub.addHelper("interopRequireWildcard"), [expr, _core.types.booleanLiteral(true)]); |
| } else if (type === "node-default") { |
| return null; |
| } |
| let helper; |
| if (type === "default") { |
| helper = "interopRequireDefault"; |
| } else if (type === "namespace") { |
| helper = "interopRequireWildcard"; |
| } else { |
| throw new Error(`Unknown interop: ${type}`); |
| } |
| return _core.types.callExpression(programPath.hub.addHelper(helper), [expr]); |
| } |
| function buildNamespaceInitStatements(metadata, sourceMetadata, constantReexports = false, wrapReference = Lazy.wrapReference) { |
| var _wrapReference; |
| const statements = []; |
| const srcNamespaceId = _core.types.identifier(sourceMetadata.name); |
| for (const localName of sourceMetadata.importsNamespace) { |
| if (localName === sourceMetadata.name) continue; |
| statements.push(_core.template.statement`var NAME = SOURCE;`({ |
| NAME: localName, |
| SOURCE: _core.types.cloneNode(srcNamespaceId) |
| })); |
| } |
| const srcNamespace = (_wrapReference = wrapReference(srcNamespaceId, sourceMetadata.wrap)) != null ? _wrapReference : srcNamespaceId; |
| if (constantReexports) { |
| statements.push(...buildReexportsFromMeta(metadata, sourceMetadata, true, wrapReference)); |
| } |
| for (const exportName of sourceMetadata.reexportNamespace) { |
| statements.push((!_core.types.isIdentifier(srcNamespace) ? _core.template.statement` |
| Object.defineProperty(EXPORTS, "NAME", { |
| enumerable: true, |
| get: function() { |
| return NAMESPACE; |
| } |
| }); |
| ` : _core.template.statement`EXPORTS.NAME = NAMESPACE;`)({ |
| EXPORTS: metadata.exportName, |
| NAME: exportName, |
| NAMESPACE: _core.types.cloneNode(srcNamespace) |
| })); |
| } |
| if (sourceMetadata.reexportAll) { |
| const statement = buildNamespaceReexport(metadata, _core.types.cloneNode(srcNamespace), constantReexports); |
| statement.loc = sourceMetadata.reexportAll.loc; |
| statements.push(statement); |
| } |
| return statements; |
| } |
| const ReexportTemplate = { |
| constant: ({ |
| exports, |
| exportName, |
| namespaceImport |
| }) => _core.template.statement.ast` |
| ${exports}.${exportName} = ${namespaceImport}; |
| `, |
| constantComputed: ({ |
| exports, |
| exportName, |
| namespaceImport |
| }) => _core.template.statement.ast` |
| ${exports}["${exportName}"] = ${namespaceImport}; |
| `, |
| spec: ({ |
| exports, |
| exportName, |
| namespaceImport |
| }) => _core.template.statement.ast` |
| Object.defineProperty(${exports}, "${exportName}", { |
| enumerable: true, |
| get: function() { |
| return ${namespaceImport}; |
| }, |
| }); |
| ` |
| }; |
| function buildReexportsFromMeta(meta, metadata, constantReexports, wrapReference) { |
| var _wrapReference2; |
| let namespace = _core.types.identifier(metadata.name); |
| namespace = (_wrapReference2 = wrapReference(namespace, metadata.wrap)) != null ? _wrapReference2 : namespace; |
| const { |
| stringSpecifiers |
| } = meta; |
| return Array.from(metadata.reexports, ([exportName, importName]) => { |
| let namespaceImport = _core.types.cloneNode(namespace); |
| if (importName === "default" && metadata.interop === "node-default") {} else if (stringSpecifiers.has(importName)) { |
| namespaceImport = _core.types.memberExpression(namespaceImport, _core.types.stringLiteral(importName), true); |
| } else { |
| namespaceImport = _core.types.memberExpression(namespaceImport, _core.types.identifier(importName)); |
| } |
| const astNodes = { |
| exports: meta.exportName, |
| exportName, |
| namespaceImport |
| }; |
| if (constantReexports || _core.types.isIdentifier(namespaceImport)) { |
| if (stringSpecifiers.has(exportName)) { |
| return ReexportTemplate.constantComputed(astNodes); |
| } else { |
| return ReexportTemplate.constant(astNodes); |
| } |
| } else { |
| return ReexportTemplate.spec(astNodes); |
| } |
| }); |
| } |
| function buildESModuleHeader(metadata, enumerableModuleMeta = false) { |
| return (enumerableModuleMeta ? _core.template.statement` |
| EXPORTS.__esModule = true; |
| ` : _core.template.statement` |
| Object.defineProperty(EXPORTS, "__esModule", { |
| value: true, |
| }); |
| `)({ |
| EXPORTS: metadata.exportName |
| }); |
| } |
| function buildNamespaceReexport(metadata, namespace, constantReexports) { |
| return (constantReexports ? _core.template.statement` |
| Object.keys(NAMESPACE).forEach(function(key) { |
| if (key === "default" || key === "__esModule") return; |
| VERIFY_NAME_LIST; |
| if (key in EXPORTS && EXPORTS[key] === NAMESPACE[key]) return; |
| |
| EXPORTS[key] = NAMESPACE[key]; |
| }); |
| ` : _core.template.statement` |
| Object.keys(NAMESPACE).forEach(function(key) { |
| if (key === "default" || key === "__esModule") return; |
| VERIFY_NAME_LIST; |
| if (key in EXPORTS && EXPORTS[key] === NAMESPACE[key]) return; |
| |
| Object.defineProperty(EXPORTS, key, { |
| enumerable: true, |
| get: function() { |
| return NAMESPACE[key]; |
| }, |
| }); |
| }); |
| `)({ |
| NAMESPACE: namespace, |
| EXPORTS: metadata.exportName, |
| VERIFY_NAME_LIST: metadata.exportNameListName ? (0, _core.template)` |
| if (Object.prototype.hasOwnProperty.call(EXPORTS_LIST, key)) return; |
| `({ |
| EXPORTS_LIST: metadata.exportNameListName |
| }) : null |
| }); |
| } |
| function buildExportNameListDeclaration(programPath, metadata) { |
| const exportedVars = Object.create(null); |
| for (const data of metadata.local.values()) { |
| for (const name of data.names) { |
| exportedVars[name] = true; |
| } |
| } |
| let hasReexport = false; |
| for (const data of metadata.source.values()) { |
| for (const exportName of data.reexports.keys()) { |
| exportedVars[exportName] = true; |
| } |
| for (const exportName of data.reexportNamespace) { |
| 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: _core.types.variableDeclaration("var", [_core.types.variableDeclarator(name, _core.types.valueToNode(exportedVars))]) |
| }; |
| } |
| function buildExportInitializationStatements(programPath, metadata, wrapReference, constantReexports = false, noIncompleteNsImportDetection = false) { |
| const initStatements = []; |
| for (const [localName, data] of metadata.local) { |
| if (data.kind === "import") {} else if (data.kind === "hoisted") { |
| initStatements.push([data.names[0], buildInitStatement(metadata, data.names, _core.types.identifier(localName))]); |
| } else if (!noIncompleteNsImportDetection) { |
| for (const exportName of data.names) { |
| initStatements.push([exportName, null]); |
| } |
| } |
| } |
| for (const data of metadata.source.values()) { |
| if (!constantReexports) { |
| const reexportsStatements = buildReexportsFromMeta(metadata, data, false, wrapReference); |
| const reexports = [...data.reexports.keys()]; |
| for (let i = 0; i < reexportsStatements.length; i++) { |
| initStatements.push([reexports[i], reexportsStatements[i]]); |
| } |
| } |
| if (!noIncompleteNsImportDetection) { |
| for (const exportName of data.reexportNamespace) { |
| initStatements.push([exportName, null]); |
| } |
| } |
| } |
| initStatements.sort(([a], [b]) => { |
| if (a < b) return -1; |
| if (b < a) return 1; |
| return 0; |
| }); |
| const results = []; |
| if (noIncompleteNsImportDetection) { |
| for (const [, initStatement] of initStatements) { |
| results.push(initStatement); |
| } |
| } else { |
| const chunkSize = 100; |
| for (let i = 0; i < initStatements.length; i += chunkSize) { |
| let uninitializedExportNames = []; |
| for (let j = 0; j < chunkSize && i + j < initStatements.length; j++) { |
| const [exportName, initStatement] = initStatements[i + j]; |
| if (initStatement !== null) { |
| if (uninitializedExportNames.length > 0) { |
| results.push(buildInitStatement(metadata, uninitializedExportNames, programPath.scope.buildUndefinedNode())); |
| uninitializedExportNames = []; |
| } |
| results.push(initStatement); |
| } else { |
| uninitializedExportNames.push(exportName); |
| } |
| } |
| if (uninitializedExportNames.length > 0) { |
| results.push(buildInitStatement(metadata, uninitializedExportNames, programPath.scope.buildUndefinedNode())); |
| } |
| } |
| } |
| return results; |
| } |
| const InitTemplate = { |
| computed: ({ |
| exports, |
| name, |
| value |
| }) => _core.template.expression.ast`${exports}["${name}"] = ${value}`, |
| default: ({ |
| exports, |
| name, |
| value |
| }) => _core.template.expression.ast`${exports}.${name} = ${value}`, |
| define: ({ |
| exports, |
| name, |
| value |
| }) => _core.template.expression.ast` |
| Object.defineProperty(${exports}, "${name}", { |
| enumerable: true, |
| value: void 0, |
| writable: true |
| })["${name}"] = ${value}` |
| }; |
| function buildInitStatement(metadata, exportNames, initExpr) { |
| const { |
| stringSpecifiers, |
| exportName: exports |
| } = metadata; |
| return _core.types.expressionStatement(exportNames.reduce((value, name) => { |
| const params = { |
| exports, |
| name, |
| value |
| }; |
| if (name === "__proto__") { |
| return InitTemplate.define(params); |
| } |
| if (stringSpecifiers.has(name)) { |
| return InitTemplate.computed(params); |
| } |
| return InitTemplate.default(params); |
| }, initExpr)); |
| } |
| |
| //# sourceMappingURL=index.js.map |