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Diffstat (limited to 'node_modules/@babel/helper-module-transforms/lib/normalize-and-load-metadata.js')
-rw-r--r--node_modules/@babel/helper-module-transforms/lib/normalize-and-load-metadata.js421
1 files changed, 421 insertions, 0 deletions
diff --git a/node_modules/@babel/helper-module-transforms/lib/normalize-and-load-metadata.js b/node_modules/@babel/helper-module-transforms/lib/normalize-and-load-metadata.js
new file mode 100644
index 00000000..425f75df
--- /dev/null
+++ b/node_modules/@babel/helper-module-transforms/lib/normalize-and-load-metadata.js
@@ -0,0 +1,421 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+ value: true
+});
+exports.hasExports = hasExports;
+exports.isSideEffectImport = isSideEffectImport;
+exports.default = normalizeModuleAndLoadMetadata;
+
+function _path() {
+ const data = require("path");
+
+ _path = function _path() {
+ return data;
+ };
+
+ return data;
+}
+
+function _helperSplitExportDeclaration() {
+ const data = _interopRequireDefault(require("@babel/helper-split-export-declaration"));
+
+ _helperSplitExportDeclaration = function _helperSplitExportDeclaration() {
+ return data;
+ };
+
+ return data;
+}
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function hasExports(metadata) {
+ const local = metadata.local,
+ source = metadata.source;
+ return local.size > 0 || Array.from(source).some(([, meta]) => {
+ return meta.reexports.size > 0 || meta.reexportNamespace.size > 0 || !!meta.reexportAll;
+ });
+}
+
+function isSideEffectImport(source) {
+ return source.imports.size === 0 && source.importsNamespace.size === 0 && source.reexports.size === 0 && source.reexportNamespace.size === 0 && !source.reexportAll;
+}
+
+function normalizeModuleAndLoadMetadata(programPath, exportName, {
+ noInterop = false,
+ loose = false,
+ lazy = false,
+ esNamespaceOnly = false
+} = {}) {
+ if (!exportName) {
+ exportName = programPath.scope.generateUidIdentifier("exports").name;
+ }
+
+ nameAnonymousExports(programPath);
+
+ const _getModuleMetadata = getModuleMetadata(programPath, {
+ loose,
+ lazy
+ }),
+ local = _getModuleMetadata.local,
+ source = _getModuleMetadata.source;
+
+ removeModuleDeclarations(programPath);
+
+ for (var _iterator = source, _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 _ref2 = _ref,
+ metadata = _ref2[1];
+
+ if (metadata.importsNamespace.size > 0) {
+ metadata.name = metadata.importsNamespace.values().next().value;
+ }
+
+ if (noInterop) metadata.interop = "none";else if (esNamespaceOnly) {
+ if (metadata.interop === "namespace") {
+ metadata.interop = "default";
+ }
+ }
+ }
+
+ return {
+ exportName,
+ exportNameListName: null,
+ local,
+ source
+ };
+}
+
+function getModuleMetadata(programPath, {
+ loose,
+ lazy
+}) {
+ const localData = getLocalExportMetadata(programPath, loose);
+ const sourceData = new Map();
+
+ const getData = sourceNode => {
+ const source = sourceNode.value;
+ let data = sourceData.get(source);
+
+ if (!data) {
+ data = {
+ name: programPath.scope.generateUidIdentifier((0, _path().basename)(source, (0, _path().extname)(source))).name,
+ interop: "none",
+ loc: null,
+ imports: new Map(),
+ importsNamespace: new Set(),
+ reexports: new Map(),
+ reexportNamespace: new Set(),
+ reexportAll: null,
+ lazy: false
+ };
+ sourceData.set(source, data);
+ }
+
+ return data;
+ };
+
+ programPath.get("body").forEach(child => {
+ if (child.isImportDeclaration()) {
+ const data = getData(child.node.source);
+ if (!data.loc) data.loc = child.node.loc;
+ child.get("specifiers").forEach(spec => {
+ if (spec.isImportDefaultSpecifier()) {
+ const localName = spec.get("local").node.name;
+ data.imports.set(localName, "default");
+ const reexport = localData.get(localName);
+
+ if (reexport) {
+ localData.delete(localName);
+ reexport.names.forEach(name => {
+ data.reexports.set(name, "default");
+ });
+ }
+ } else if (spec.isImportNamespaceSpecifier()) {
+ const localName = spec.get("local").node.name;
+ data.importsNamespace.add(localName);
+ const reexport = localData.get(localName);
+
+ if (reexport) {
+ localData.delete(localName);
+ reexport.names.forEach(name => {
+ data.reexportNamespace.add(name);
+ });
+ }
+ } else if (spec.isImportSpecifier()) {
+ const importName = spec.get("imported").node.name;
+ const localName = spec.get("local").node.name;
+ data.imports.set(localName, importName);
+ const reexport = localData.get(localName);
+
+ if (reexport) {
+ localData.delete(localName);
+ reexport.names.forEach(name => {
+ data.reexports.set(name, importName);
+ });
+ }
+ }
+ });
+ } else if (child.isExportAllDeclaration()) {
+ const data = getData(child.node.source);
+ if (!data.loc) data.loc = child.node.loc;
+ data.reexportAll = {
+ loc: child.node.loc
+ };
+ } else if (child.isExportNamedDeclaration() && child.node.source) {
+ const data = getData(child.node.source);
+ if (!data.loc) data.loc = child.node.loc;
+ child.get("specifiers").forEach(spec => {
+ if (!spec.isExportSpecifier()) {
+ throw spec.buildCodeFrameError("Unexpected export specifier type");
+ }
+
+ const importName = spec.get("local").node.name;
+ const exportName = spec.get("exported").node.name;
+ data.reexports.set(exportName, importName);
+
+ if (exportName === "__esModule") {
+ throw exportName.buildCodeFrameError('Illegal export "__esModule".');
+ }
+ });
+ }
+ });
+
+ for (var _iterator2 = sourceData.values(), _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
+ var _ref3;
+
+ if (_isArray2) {
+ if (_i2 >= _iterator2.length) break;
+ _ref3 = _iterator2[_i2++];
+ } else {
+ _i2 = _iterator2.next();
+ if (_i2.done) break;
+ _ref3 = _i2.value;
+ }
+
+ const metadata = _ref3;
+
+ if (metadata.importsNamespace.size > 0) {
+ metadata.interop = "namespace";
+ continue;
+ }
+
+ let needsDefault = false;
+ let needsNamed = false;
+
+ for (var _iterator4 = metadata.imports.values(), _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) {
+ var _ref5;
+
+ if (_isArray4) {
+ if (_i4 >= _iterator4.length) break;
+ _ref5 = _iterator4[_i4++];
+ } else {
+ _i4 = _iterator4.next();
+ if (_i4.done) break;
+ _ref5 = _i4.value;
+ }
+
+ const importName = _ref5;
+ if (importName === "default") needsDefault = true;else needsNamed = true;
+ }
+
+ for (var _iterator5 = metadata.reexports.values(), _isArray5 = Array.isArray(_iterator5), _i5 = 0, _iterator5 = _isArray5 ? _iterator5 : _iterator5[Symbol.iterator]();;) {
+ var _ref6;
+
+ if (_isArray5) {
+ if (_i5 >= _iterator5.length) break;
+ _ref6 = _iterator5[_i5++];
+ } else {
+ _i5 = _iterator5.next();
+ if (_i5.done) break;
+ _ref6 = _i5.value;
+ }
+
+ const importName = _ref6;
+ if (importName === "default") needsDefault = true;else needsNamed = true;
+ }
+
+ if (needsDefault && needsNamed) {
+ metadata.interop = "namespace";
+ } else if (needsDefault) {
+ metadata.interop = "default";
+ }
+ }
+
+ for (var _iterator3 = sourceData, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
+ var _ref4;
+
+ if (_isArray3) {
+ if (_i3 >= _iterator3.length) break;
+ _ref4 = _iterator3[_i3++];
+ } else {
+ _i3 = _iterator3.next();
+ if (_i3.done) break;
+ _ref4 = _i3.value;
+ }
+
+ const _ref7 = _ref4,
+ source = _ref7[0],
+ metadata = _ref7[1];
+
+ if (lazy !== false && !(isSideEffectImport(metadata) || metadata.reexportAll)) {
+ if (lazy === true) {
+ metadata.lazy = !/\./.test(source);
+ } else if (Array.isArray(lazy)) {
+ metadata.lazy = lazy.indexOf(source);
+ } else if (typeof lazy === "function") {
+ metadata.lazy = lazy(source);
+ } else {
+ throw new Error(`.lazy must be a boolean, string array, or function`);
+ }
+ }
+ }
+
+ return {
+ local: localData,
+ source: sourceData
+ };
+}
+
+function getLocalExportMetadata(programPath, loose) {
+ const bindingKindLookup = new Map();
+ programPath.get("body").forEach(child => {
+ let kind;
+
+ if (child.isImportDeclaration()) {
+ kind = "import";
+ } else {
+ if (child.isExportDefaultDeclaration()) child = child.get("declaration");
+
+ if (child.isExportNamedDeclaration()) {
+ if (child.node.declaration) {
+ child = child.get("declaration");
+ } else if (loose && child.node.source && child.get("source").isStringLiteral()) {
+ child.node.specifiers.forEach(specifier => {
+ bindingKindLookup.set(specifier.local.name, "block");
+ });
+ return;
+ }
+ }
+
+ if (child.isFunctionDeclaration()) {
+ kind = "hoisted";
+ } else if (child.isClassDeclaration()) {
+ kind = "block";
+ } else if (child.isVariableDeclaration({
+ kind: "var"
+ })) {
+ kind = "var";
+ } else if (child.isVariableDeclaration()) {
+ kind = "block";
+ } else {
+ return;
+ }
+ }
+
+ Object.keys(child.getOuterBindingIdentifiers()).forEach(name => {
+ bindingKindLookup.set(name, kind);
+ });
+ });
+ const localMetadata = new Map();
+
+ const getLocalMetadata = idPath => {
+ const localName = idPath.node.name;
+ let metadata = localMetadata.get(localName);
+
+ if (!metadata) {
+ const kind = bindingKindLookup.get(localName);
+
+ if (kind === undefined) {
+ throw idPath.buildCodeFrameError(`Exporting local "${localName}", which is not declared.`);
+ }
+
+ metadata = {
+ names: [],
+ kind
+ };
+ localMetadata.set(localName, metadata);
+ }
+
+ return metadata;
+ };
+
+ programPath.get("body").forEach(child => {
+ if (child.isExportNamedDeclaration() && (loose || !child.node.source)) {
+ if (child.node.declaration) {
+ const declaration = child.get("declaration");
+ const ids = declaration.getOuterBindingIdentifierPaths();
+ Object.keys(ids).forEach(name => {
+ if (name === "__esModule") {
+ throw declaration.buildCodeFrameError('Illegal export "__esModule".');
+ }
+
+ getLocalMetadata(ids[name]).names.push(name);
+ });
+ } else {
+ child.get("specifiers").forEach(spec => {
+ const local = spec.get("local");
+ const exported = spec.get("exported");
+
+ if (exported.node.name === "__esModule") {
+ throw exported.buildCodeFrameError('Illegal export "__esModule".');
+ }
+
+ getLocalMetadata(local).names.push(exported.node.name);
+ });
+ }
+ } else if (child.isExportDefaultDeclaration()) {
+ const declaration = child.get("declaration");
+
+ if (declaration.isFunctionDeclaration() || declaration.isClassDeclaration()) {
+ getLocalMetadata(declaration.get("id")).names.push("default");
+ } else {
+ throw declaration.buildCodeFrameError("Unexpected default expression export.");
+ }
+ }
+ });
+ return localMetadata;
+}
+
+function nameAnonymousExports(programPath) {
+ programPath.get("body").forEach(child => {
+ if (!child.isExportDefaultDeclaration()) return;
+ (0, _helperSplitExportDeclaration().default)(child);
+ });
+}
+
+function removeModuleDeclarations(programPath) {
+ programPath.get("body").forEach(child => {
+ if (child.isImportDeclaration()) {
+ child.remove();
+ } else if (child.isExportNamedDeclaration()) {
+ if (child.node.declaration) {
+ child.node.declaration._blockHoist = child.node._blockHoist;
+ child.replaceWith(child.node.declaration);
+ } else {
+ child.remove();
+ }
+ } else if (child.isExportDefaultDeclaration()) {
+ const declaration = child.get("declaration");
+
+ if (declaration.isFunctionDeclaration() || declaration.isClassDeclaration()) {
+ declaration._blockHoist = child.node._blockHoist;
+ child.replaceWith(declaration);
+ } else {
+ throw declaration.buildCodeFrameError("Unexpected default expression export.");
+ }
+ } else if (child.isExportAllDeclaration()) {
+ child.remove();
+ }
+ });
+} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-12 16:02:30 +0000