diff options
Diffstat (limited to 'node_modules/@babel/helpers/lib/index.js')
| -rw-r--r-- | node_modules/@babel/helpers/lib/index.js | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/node_modules/@babel/helpers/lib/index.js b/node_modules/@babel/helpers/lib/index.js deleted file mode 100644 index f60b67c8..00000000 --- a/node_modules/@babel/helpers/lib/index.js +++ /dev/null @@ -1,293 +0,0 @@ -"use strict"; - -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.get = get; -exports.getDependencies = getDependencies; -exports.default = exports.list = void 0; - -function _traverse() { - const data = _interopRequireDefault(require("@babel/traverse")); - - _traverse = function _traverse() { - return data; - }; - - return data; -} - -function t() { - const data = _interopRequireWildcard(require("@babel/types")); - - t = function t() { - return data; - }; - - return data; -} - -var _helpers = _interopRequireDefault(require("./helpers")); - -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 makePath(path) { - const parts = []; - - for (; path.parentPath; path = path.parentPath) { - parts.push(path.key); - if (path.inList) parts.push(path.listKey); - } - - return parts.reverse().join("."); -} - -function getHelperMetadata(file) { - const globals = new Set(); - const localBindingNames = new Set(); - const dependencies = new Map(); - let exportName; - let exportPath; - const exportBindingAssignments = []; - const importPaths = []; - const importBindingsReferences = []; - (0, _traverse().default)(file, { - ImportDeclaration(child) { - const name = child.node.source.value; - - if (!_helpers.default[name]) { - throw child.buildCodeFrameError(`Unknown helper ${name}`); - } - - if (child.get("specifiers").length !== 1 || !child.get("specifiers.0").isImportDefaultSpecifier()) { - throw child.buildCodeFrameError("Helpers can only import a default value"); - } - - const bindingIdentifier = child.node.specifiers[0].local; - dependencies.set(bindingIdentifier, name); - importPaths.push(makePath(child)); - }, - - ExportDefaultDeclaration(child) { - const decl = child.get("declaration"); - - if (decl.isFunctionDeclaration()) { - if (!decl.node.id) { - throw decl.buildCodeFrameError("Helpers should give names to their exported func declaration"); - } - - exportName = decl.node.id.name; - } - - exportPath = makePath(child); - }, - - ExportAllDeclaration(child) { - throw child.buildCodeFrameError("Helpers can only export default"); - }, - - ExportNamedDeclaration(child) { - throw child.buildCodeFrameError("Helpers can only export default"); - }, - - Statement(child) { - if (child.isModuleDeclaration()) return; - child.skip(); - } - - }); - (0, _traverse().default)(file, { - Program(path) { - const bindings = path.scope.getAllBindings(); - Object.keys(bindings).forEach(name => { - if (name === exportName) return; - if (dependencies.has(bindings[name].identifier)) return; - localBindingNames.add(name); - }); - }, - - ReferencedIdentifier(child) { - const name = child.node.name; - const binding = child.scope.getBinding(name, true); - - if (!binding) { - globals.add(name); - } else if (dependencies.has(binding.identifier)) { - importBindingsReferences.push(makePath(child)); - } - }, - - AssignmentExpression(child) { - const left = child.get("left"); - if (!(exportName in left.getBindingIdentifiers())) return; - - if (!left.isIdentifier()) { - throw left.buildCodeFrameError("Only simple assignments to exports are allowed in helpers"); - } - - const binding = child.scope.getBinding(exportName); - - if (binding && binding.scope.path.isProgram()) { - exportBindingAssignments.push(makePath(child)); - } - } - - }); - if (!exportPath) throw new Error("Helpers must default-export something."); - exportBindingAssignments.reverse(); - return { - globals: Array.from(globals), - localBindingNames: Array.from(localBindingNames), - dependencies, - exportBindingAssignments, - exportPath, - exportName, - importBindingsReferences, - importPaths - }; -} - -function permuteHelperAST(file, metadata, id, localBindings, getDependency) { - if (localBindings && !id) { - throw new Error("Unexpected local bindings for module-based helpers."); - } - - if (!id) return; - const localBindingNames = metadata.localBindingNames, - dependencies = metadata.dependencies, - exportBindingAssignments = metadata.exportBindingAssignments, - exportPath = metadata.exportPath, - exportName = metadata.exportName, - importBindingsReferences = metadata.importBindingsReferences, - importPaths = metadata.importPaths; - const dependenciesRefs = {}; - dependencies.forEach((name, id) => { - dependenciesRefs[id.name] = typeof getDependency === "function" && getDependency(name) || id; - }); - const toRename = {}; - const bindings = new Set(localBindings || []); - localBindingNames.forEach(name => { - let newName = name; - - while (bindings.has(newName)) newName = "_" + newName; - - if (newName !== name) toRename[name] = newName; - }); - - if (id.type === "Identifier" && exportName !== id.name) { - toRename[exportName] = id.name; - } - - (0, _traverse().default)(file, { - Program(path) { - const exp = path.get(exportPath); - const imps = importPaths.map(p => path.get(p)); - const impsBindingRefs = importBindingsReferences.map(p => path.get(p)); - const decl = exp.get("declaration"); - - if (id.type === "Identifier") { - if (decl.isFunctionDeclaration()) { - exp.replaceWith(decl); - } else { - exp.replaceWith(t().variableDeclaration("var", [t().variableDeclarator(id, decl.node)])); - } - } else if (id.type === "MemberExpression") { - if (decl.isFunctionDeclaration()) { - exportBindingAssignments.forEach(assignPath => { - const assign = path.get(assignPath); - assign.replaceWith(t().assignmentExpression("=", id, assign.node)); - }); - exp.replaceWith(decl); - path.pushContainer("body", t().expressionStatement(t().assignmentExpression("=", id, t().identifier(exportName)))); - } else { - exp.replaceWith(t().expressionStatement(t().assignmentExpression("=", id, decl.node))); - } - } else { - throw new Error("Unexpected helper format."); - } - - Object.keys(toRename).forEach(name => { - path.scope.rename(name, toRename[name]); - }); - - for (var _iterator = imps, _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 path = _ref; - path.remove(); - } - - for (var _iterator2 = impsBindingRefs, _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 path = _ref2; - const node = t().cloneNode(dependenciesRefs[path.node.name]); - path.replaceWith(node); - } - - path.stop(); - } - - }); -} - -const helperData = {}; - -function loadHelper(name) { - if (!helperData[name]) { - if (!_helpers.default[name]) throw new ReferenceError(`Unknown helper ${name}`); - - const fn = () => { - return t().file(_helpers.default[name]()); - }; - - const metadata = getHelperMetadata(fn()); - helperData[name] = { - build(getDependency, id, localBindings) { - const file = fn(); - permuteHelperAST(file, metadata, id, localBindings, getDependency); - return { - nodes: file.program.body, - globals: metadata.globals - }; - }, - - dependencies: metadata.dependencies - }; - } - - return helperData[name]; -} - -function get(name, getDependency, id, localBindings) { - return loadHelper(name).build(getDependency, id, localBindings); -} - -function getDependencies(name) { - return Array.from(loadHelper(name).dependencies.values()); -} - -const list = Object.keys(_helpers.default).map(name => name.replace(/^_/, "")).filter(name => name !== "__esModule"); -exports.list = list; -var _default = get; -exports.default = _default;
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