diff options
Diffstat (limited to 'node_modules/@babel/traverse/lib/scope/index.js')
| -rw-r--r-- | node_modules/@babel/traverse/lib/scope/index.js | 1006 |
1 files changed, 0 insertions, 1006 deletions
diff --git a/node_modules/@babel/traverse/lib/scope/index.js b/node_modules/@babel/traverse/lib/scope/index.js deleted file mode 100644 index 4c200ba6..00000000 --- a/node_modules/@babel/traverse/lib/scope/index.js +++ /dev/null @@ -1,1006 +0,0 @@ -"use strict"; - -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.default = void 0; - -function _includes() { - const data = _interopRequireDefault(require("lodash/includes")); - - _includes = function _includes() { - return data; - }; - - return data; -} - -function _repeat() { - const data = _interopRequireDefault(require("lodash/repeat")); - - _repeat = function _repeat() { - return data; - }; - - return data; -} - -var _renamer = _interopRequireDefault(require("./lib/renamer")); - -var _index = _interopRequireDefault(require("../index")); - -function _defaults() { - const data = _interopRequireDefault(require("lodash/defaults")); - - _defaults = function _defaults() { - return data; - }; - - return data; -} - -var _binding = _interopRequireDefault(require("./binding")); - -function _globals() { - const data = _interopRequireDefault(require("globals")); - - _globals = function _globals() { - return data; - }; - - return data; -} - -function t() { - const data = _interopRequireWildcard(require("@babel/types")); - - t = function t() { - return data; - }; - - return data; -} - -var _cache = require("../cache"); - -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 gatherNodeParts(node, parts) { - if (t().isModuleDeclaration(node)) { - if (node.source) { - gatherNodeParts(node.source, parts); - } else if (node.specifiers && node.specifiers.length) { - var _arr = node.specifiers; - - for (var _i = 0; _i < _arr.length; _i++) { - const specifier = _arr[_i]; - gatherNodeParts(specifier, parts); - } - } else if (node.declaration) { - gatherNodeParts(node.declaration, parts); - } - } else if (t().isModuleSpecifier(node)) { - gatherNodeParts(node.local, parts); - } else if (t().isMemberExpression(node)) { - gatherNodeParts(node.object, parts); - gatherNodeParts(node.property, parts); - } else if (t().isIdentifier(node)) { - parts.push(node.name); - } else if (t().isLiteral(node)) { - parts.push(node.value); - } else if (t().isCallExpression(node)) { - gatherNodeParts(node.callee, parts); - } else if (t().isObjectExpression(node) || t().isObjectPattern(node)) { - var _arr2 = node.properties; - - for (var _i2 = 0; _i2 < _arr2.length; _i2++) { - const prop = _arr2[_i2]; - gatherNodeParts(prop.key || prop.argument, parts); - } - } else if (t().isPrivateName(node)) { - gatherNodeParts(node.id, parts); - } else if (t().isThisExpression(node)) { - parts.push("this"); - } else if (t().isSuper(node)) { - parts.push("super"); - } -} - -const collectorVisitor = { - For(path) { - var _arr3 = t().FOR_INIT_KEYS; - - for (var _i3 = 0; _i3 < _arr3.length; _i3++) { - const key = _arr3[_i3]; - const declar = path.get(key); - - if (declar.isVar()) { - const parentScope = path.scope.getFunctionParent() || path.scope.getProgramParent(); - parentScope.registerBinding("var", declar); - } - } - }, - - Declaration(path) { - if (path.isBlockScoped()) return; - - if (path.isExportDeclaration() && path.get("declaration").isDeclaration()) { - return; - } - - const parent = path.scope.getFunctionParent() || path.scope.getProgramParent(); - parent.registerDeclaration(path); - }, - - ReferencedIdentifier(path, state) { - state.references.push(path); - }, - - ForXStatement(path, state) { - const left = path.get("left"); - - if (left.isPattern() || left.isIdentifier()) { - state.constantViolations.push(path); - } - }, - - ExportDeclaration: { - exit(path) { - const node = path.node, - scope = path.scope; - const declar = node.declaration; - - if (t().isClassDeclaration(declar) || t().isFunctionDeclaration(declar)) { - const id = declar.id; - if (!id) return; - const binding = scope.getBinding(id.name); - if (binding) binding.reference(path); - } else if (t().isVariableDeclaration(declar)) { - var _arr4 = declar.declarations; - - for (var _i4 = 0; _i4 < _arr4.length; _i4++) { - const decl = _arr4[_i4]; - const ids = t().getBindingIdentifiers(decl); - - for (const name in ids) { - const binding = scope.getBinding(name); - if (binding) binding.reference(path); - } - } - } - } - - }, - - LabeledStatement(path) { - path.scope.getProgramParent().addGlobal(path.node); - path.scope.getBlockParent().registerDeclaration(path); - }, - - AssignmentExpression(path, state) { - state.assignments.push(path); - }, - - UpdateExpression(path, state) { - state.constantViolations.push(path); - }, - - UnaryExpression(path, state) { - if (path.node.operator === "delete") { - state.constantViolations.push(path); - } - }, - - BlockScoped(path) { - let scope = path.scope; - if (scope.path === path) scope = scope.parent; - scope.getBlockParent().registerDeclaration(path); - }, - - ClassDeclaration(path) { - const id = path.node.id; - if (!id) return; - const name = id.name; - path.scope.bindings[name] = path.scope.getBinding(name); - }, - - Block(path) { - const paths = path.get("body"); - var _arr5 = paths; - - for (var _i5 = 0; _i5 < _arr5.length; _i5++) { - const bodyPath = _arr5[_i5]; - - if (bodyPath.isFunctionDeclaration()) { - path.scope.getBlockParent().registerDeclaration(bodyPath); - } - } - } - -}; -let uid = 0; - -class Scope { - constructor(path) { - const node = path.node; - - const cached = _cache.scope.get(node); - - if (cached && cached.path === path) { - return cached; - } - - _cache.scope.set(node, this); - - this.uid = uid++; - this.block = node; - this.path = path; - this.labels = new Map(); - } - - get parent() { - const parent = this.path.findParent(p => p.isScope()); - return parent && parent.scope; - } - - get parentBlock() { - return this.path.parent; - } - - get hub() { - return this.path.hub; - } - - traverse(node, opts, state) { - (0, _index.default)(node, opts, this, state, this.path); - } - - generateDeclaredUidIdentifier(name) { - const id = this.generateUidIdentifier(name); - this.push({ - id - }); - return t().cloneNode(id); - } - - generateUidIdentifier(name) { - return t().identifier(this.generateUid(name)); - } - - generateUid(name = "temp") { - name = t().toIdentifier(name).replace(/^_+/, "").replace(/[0-9]+$/g, ""); - let uid; - let i = 0; - - do { - uid = this._generateUid(name, i); - i++; - } while (this.hasLabel(uid) || this.hasBinding(uid) || this.hasGlobal(uid) || this.hasReference(uid)); - - const program = this.getProgramParent(); - program.references[uid] = true; - program.uids[uid] = true; - return uid; - } - - _generateUid(name, i) { - let id = name; - if (i > 1) id += i; - return `_${id}`; - } - - generateUidBasedOnNode(parent, defaultName) { - let node = parent; - - if (t().isAssignmentExpression(parent)) { - node = parent.left; - } else if (t().isVariableDeclarator(parent)) { - node = parent.id; - } else if (t().isObjectProperty(node) || t().isObjectMethod(node)) { - node = node.key; - } - - const parts = []; - gatherNodeParts(node, parts); - let id = parts.join("$"); - id = id.replace(/^_/, "") || defaultName || "ref"; - return this.generateUid(id.slice(0, 20)); - } - - generateUidIdentifierBasedOnNode(parent, defaultName) { - return t().identifier(this.generateUidBasedOnNode(parent, defaultName)); - } - - isStatic(node) { - if (t().isThisExpression(node) || t().isSuper(node)) { - return true; - } - - if (t().isIdentifier(node)) { - const binding = this.getBinding(node.name); - - if (binding) { - return binding.constant; - } else { - return this.hasBinding(node.name); - } - } - - return false; - } - - maybeGenerateMemoised(node, dontPush) { - if (this.isStatic(node)) { - return null; - } else { - const id = this.generateUidIdentifierBasedOnNode(node); - - if (!dontPush) { - this.push({ - id - }); - return t().cloneNode(id); - } - - return id; - } - } - - checkBlockScopedCollisions(local, kind, name, id) { - if (kind === "param") return; - if (local.kind === "local") return; - if (kind === "hoisted" && local.kind === "let") return; - const duplicate = kind === "let" || local.kind === "let" || local.kind === "const" || local.kind === "module" || local.kind === "param" && (kind === "let" || kind === "const"); - - if (duplicate) { - throw this.hub.file.buildCodeFrameError(id, `Duplicate declaration "${name}"`, TypeError); - } - } - - rename(oldName, newName, block) { - const binding = this.getBinding(oldName); - - if (binding) { - newName = newName || this.generateUidIdentifier(oldName).name; - return new _renamer.default(binding, oldName, newName).rename(block); - } - } - - _renameFromMap(map, oldName, newName, value) { - if (map[oldName]) { - map[newName] = value; - map[oldName] = null; - } - } - - dump() { - const sep = (0, _repeat().default)("-", 60); - console.log(sep); - let scope = this; - - do { - console.log("#", scope.block.type); - - for (const name in scope.bindings) { - const binding = scope.bindings[name]; - console.log(" -", name, { - constant: binding.constant, - references: binding.references, - violations: binding.constantViolations.length, - kind: binding.kind - }); - } - } while (scope = scope.parent); - - console.log(sep); - } - - toArray(node, i) { - const file = this.hub.file; - - if (t().isIdentifier(node)) { - const binding = this.getBinding(node.name); - - if (binding && binding.constant && binding.path.isGenericType("Array")) { - return node; - } - } - - if (t().isArrayExpression(node)) { - return node; - } - - if (t().isIdentifier(node, { - name: "arguments" - })) { - return t().callExpression(t().memberExpression(t().memberExpression(t().memberExpression(t().identifier("Array"), t().identifier("prototype")), t().identifier("slice")), t().identifier("call")), [node]); - } - - let helperName; - const args = [node]; - - if (i === true) { - helperName = "toConsumableArray"; - } else if (i) { - args.push(t().numericLiteral(i)); - helperName = "slicedToArray"; - } else { - helperName = "toArray"; - } - - return t().callExpression(file.addHelper(helperName), args); - } - - hasLabel(name) { - return !!this.getLabel(name); - } - - getLabel(name) { - return this.labels.get(name); - } - - registerLabel(path) { - this.labels.set(path.node.label.name, path); - } - - registerDeclaration(path) { - if (path.isFlow()) return; - - if (path.isLabeledStatement()) { - this.registerLabel(path); - } else if (path.isFunctionDeclaration()) { - this.registerBinding("hoisted", path.get("id"), path); - } else if (path.isVariableDeclaration()) { - const declarations = path.get("declarations"); - var _arr6 = declarations; - - for (var _i6 = 0; _i6 < _arr6.length; _i6++) { - const declar = _arr6[_i6]; - this.registerBinding(path.node.kind, declar); - } - } else if (path.isClassDeclaration()) { - this.registerBinding("let", path); - } else if (path.isImportDeclaration()) { - const specifiers = path.get("specifiers"); - var _arr7 = specifiers; - - for (var _i7 = 0; _i7 < _arr7.length; _i7++) { - const specifier = _arr7[_i7]; - this.registerBinding("module", specifier); - } - } else if (path.isExportDeclaration()) { - const declar = path.get("declaration"); - - if (declar.isClassDeclaration() || declar.isFunctionDeclaration() || declar.isVariableDeclaration()) { - this.registerDeclaration(declar); - } - } else { - this.registerBinding("unknown", path); - } - } - - buildUndefinedNode() { - if (this.hasBinding("undefined")) { - return t().unaryExpression("void", t().numericLiteral(0), true); - } else { - return t().identifier("undefined"); - } - } - - registerConstantViolation(path) { - const ids = path.getBindingIdentifiers(); - - for (const name in ids) { - const binding = this.getBinding(name); - if (binding) binding.reassign(path); - } - } - - registerBinding(kind, path, bindingPath = path) { - if (!kind) throw new ReferenceError("no `kind`"); - - if (path.isVariableDeclaration()) { - const declarators = path.get("declarations"); - - for (var _iterator = declarators, _isArray = Array.isArray(_iterator), _i8 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; - - if (_isArray) { - if (_i8 >= _iterator.length) break; - _ref = _iterator[_i8++]; - } else { - _i8 = _iterator.next(); - if (_i8.done) break; - _ref = _i8.value; - } - - const declar = _ref; - this.registerBinding(kind, declar); - } - - return; - } - - const parent = this.getProgramParent(); - const ids = path.getBindingIdentifiers(true); - - for (const name in ids) { - var _arr8 = ids[name]; - - for (var _i9 = 0; _i9 < _arr8.length; _i9++) { - const id = _arr8[_i9]; - const local = this.getOwnBinding(name); - - if (local) { - if (local.identifier === id) continue; - this.checkBlockScopedCollisions(local, kind, name, id); - } - - parent.references[name] = true; - - if (local) { - this.registerConstantViolation(bindingPath); - } else { - this.bindings[name] = new _binding.default({ - identifier: id, - scope: this, - path: bindingPath, - kind: kind - }); - } - } - } - } - - addGlobal(node) { - this.globals[node.name] = node; - } - - hasUid(name) { - let scope = this; - - do { - if (scope.uids[name]) return true; - } while (scope = scope.parent); - - return false; - } - - hasGlobal(name) { - let scope = this; - - do { - if (scope.globals[name]) return true; - } while (scope = scope.parent); - - return false; - } - - hasReference(name) { - let scope = this; - - do { - if (scope.references[name]) return true; - } while (scope = scope.parent); - - return false; - } - - isPure(node, constantsOnly) { - if (t().isIdentifier(node)) { - const binding = this.getBinding(node.name); - if (!binding) return false; - if (constantsOnly) return binding.constant; - return true; - } else if (t().isClass(node)) { - if (node.superClass && !this.isPure(node.superClass, constantsOnly)) { - return false; - } - - return this.isPure(node.body, constantsOnly); - } else if (t().isClassBody(node)) { - for (var _iterator2 = node.body, _isArray2 = Array.isArray(_iterator2), _i10 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) { - var _ref2; - - if (_isArray2) { - if (_i10 >= _iterator2.length) break; - _ref2 = _iterator2[_i10++]; - } else { - _i10 = _iterator2.next(); - if (_i10.done) break; - _ref2 = _i10.value; - } - - const method = _ref2; - if (!this.isPure(method, constantsOnly)) return false; - } - - return true; - } else if (t().isBinary(node)) { - return this.isPure(node.left, constantsOnly) && this.isPure(node.right, constantsOnly); - } else if (t().isArrayExpression(node)) { - var _arr9 = node.elements; - - for (var _i11 = 0; _i11 < _arr9.length; _i11++) { - const elem = _arr9[_i11]; - if (!this.isPure(elem, constantsOnly)) return false; - } - - return true; - } else if (t().isObjectExpression(node)) { - var _arr10 = node.properties; - - for (var _i12 = 0; _i12 < _arr10.length; _i12++) { - const prop = _arr10[_i12]; - if (!this.isPure(prop, constantsOnly)) return false; - } - - return true; - } else if (t().isClassMethod(node)) { - if (node.computed && !this.isPure(node.key, constantsOnly)) return false; - if (node.kind === "get" || node.kind === "set") return false; - return true; - } else if (t().isProperty(node)) { - if (node.computed && !this.isPure(node.key, constantsOnly)) return false; - return this.isPure(node.value, constantsOnly); - } else if (t().isUnaryExpression(node)) { - return this.isPure(node.argument, constantsOnly); - } else if (t().isTaggedTemplateExpression(node)) { - return t().matchesPattern(node.tag, "String.raw") && !this.hasBinding("String", true) && this.isPure(node.quasi, constantsOnly); - } else if (t().isTemplateLiteral(node)) { - var _arr11 = node.expressions; - - for (var _i13 = 0; _i13 < _arr11.length; _i13++) { - const expression = _arr11[_i13]; - if (!this.isPure(expression, constantsOnly)) return false; - } - - return true; - } else { - return t().isPureish(node); - } - } - - setData(key, val) { - return this.data[key] = val; - } - - getData(key) { - let scope = this; - - do { - const data = scope.data[key]; - if (data != null) return data; - } while (scope = scope.parent); - } - - removeData(key) { - let scope = this; - - do { - const data = scope.data[key]; - if (data != null) scope.data[key] = null; - } while (scope = scope.parent); - } - - init() { - if (!this.references) this.crawl(); - } - - crawl() { - const path = this.path; - this.references = Object.create(null); - this.bindings = Object.create(null); - this.globals = Object.create(null); - this.uids = Object.create(null); - this.data = Object.create(null); - - if (path.isLoop()) { - var _arr12 = t().FOR_INIT_KEYS; - - for (var _i14 = 0; _i14 < _arr12.length; _i14++) { - const key = _arr12[_i14]; - const node = path.get(key); - if (node.isBlockScoped()) this.registerBinding(node.node.kind, node); - } - } - - if (path.isFunctionExpression() && path.has("id")) { - if (!path.get("id").node[t().NOT_LOCAL_BINDING]) { - this.registerBinding("local", path.get("id"), path); - } - } - - if (path.isClassExpression() && path.has("id")) { - if (!path.get("id").node[t().NOT_LOCAL_BINDING]) { - this.registerBinding("local", path); - } - } - - if (path.isFunction()) { - const params = path.get("params"); - - for (var _iterator3 = params, _isArray3 = Array.isArray(_iterator3), _i15 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) { - var _ref3; - - if (_isArray3) { - if (_i15 >= _iterator3.length) break; - _ref3 = _iterator3[_i15++]; - } else { - _i15 = _iterator3.next(); - if (_i15.done) break; - _ref3 = _i15.value; - } - - const param = _ref3; - this.registerBinding("param", param); - } - } - - if (path.isCatchClause()) { - this.registerBinding("let", path); - } - - const parent = this.getProgramParent(); - if (parent.crawling) return; - const state = { - references: [], - constantViolations: [], - assignments: [] - }; - this.crawling = true; - path.traverse(collectorVisitor, state); - this.crawling = false; - - for (var _iterator4 = state.assignments, _isArray4 = Array.isArray(_iterator4), _i16 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { - var _ref4; - - if (_isArray4) { - if (_i16 >= _iterator4.length) break; - _ref4 = _iterator4[_i16++]; - } else { - _i16 = _iterator4.next(); - if (_i16.done) break; - _ref4 = _i16.value; - } - - const path = _ref4; - const ids = path.getBindingIdentifiers(); - let programParent; - - for (const name in ids) { - if (path.scope.getBinding(name)) continue; - programParent = programParent || path.scope.getProgramParent(); - programParent.addGlobal(ids[name]); - } - - path.scope.registerConstantViolation(path); - } - - for (var _iterator5 = state.references, _isArray5 = Array.isArray(_iterator5), _i17 = 0, _iterator5 = _isArray5 ? _iterator5 : _iterator5[Symbol.iterator]();;) { - var _ref5; - - if (_isArray5) { - if (_i17 >= _iterator5.length) break; - _ref5 = _iterator5[_i17++]; - } else { - _i17 = _iterator5.next(); - if (_i17.done) break; - _ref5 = _i17.value; - } - - const ref = _ref5; - const binding = ref.scope.getBinding(ref.node.name); - - if (binding) { - binding.reference(ref); - } else { - ref.scope.getProgramParent().addGlobal(ref.node); - } - } - - for (var _iterator6 = state.constantViolations, _isArray6 = Array.isArray(_iterator6), _i18 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { - var _ref6; - - if (_isArray6) { - if (_i18 >= _iterator6.length) break; - _ref6 = _iterator6[_i18++]; - } else { - _i18 = _iterator6.next(); - if (_i18.done) break; - _ref6 = _i18.value; - } - - const path = _ref6; - path.scope.registerConstantViolation(path); - } - } - - push(opts) { - let path = this.path; - - if (!path.isBlockStatement() && !path.isProgram()) { - path = this.getBlockParent().path; - } - - if (path.isSwitchStatement()) { - path = (this.getFunctionParent() || this.getProgramParent()).path; - } - - if (path.isLoop() || path.isCatchClause() || path.isFunction()) { - path.ensureBlock(); - path = path.get("body"); - } - - const unique = opts.unique; - const kind = opts.kind || "var"; - const blockHoist = opts._blockHoist == null ? 2 : opts._blockHoist; - const dataKey = `declaration:${kind}:${blockHoist}`; - let declarPath = !unique && path.getData(dataKey); - - if (!declarPath) { - const declar = t().variableDeclaration(kind, []); - declar._blockHoist = blockHoist; - - var _path$unshiftContaine = path.unshiftContainer("body", [declar]); - - declarPath = _path$unshiftContaine[0]; - if (!unique) path.setData(dataKey, declarPath); - } - - const declarator = t().variableDeclarator(opts.id, opts.init); - declarPath.node.declarations.push(declarator); - this.registerBinding(kind, declarPath.get("declarations").pop()); - } - - getProgramParent() { - let scope = this; - - do { - if (scope.path.isProgram()) { - return scope; - } - } while (scope = scope.parent); - - throw new Error("Couldn't find a Program"); - } - - getFunctionParent() { - let scope = this; - - do { - if (scope.path.isFunctionParent()) { - return scope; - } - } while (scope = scope.parent); - - return null; - } - - getBlockParent() { - let scope = this; - - do { - if (scope.path.isBlockParent()) { - return scope; - } - } while (scope = scope.parent); - - throw new Error("We couldn't find a BlockStatement, For, Switch, Function, Loop or Program..."); - } - - getAllBindings() { - const ids = Object.create(null); - let scope = this; - - do { - (0, _defaults().default)(ids, scope.bindings); - scope = scope.parent; - } while (scope); - - return ids; - } - - getAllBindingsOfKind() { - const ids = Object.create(null); - var _arr13 = arguments; - - for (var _i19 = 0; _i19 < _arr13.length; _i19++) { - const kind = _arr13[_i19]; - let scope = this; - - do { - for (const name in scope.bindings) { - const binding = scope.bindings[name]; - if (binding.kind === kind) ids[name] = binding; - } - - scope = scope.parent; - } while (scope); - } - - return ids; - } - - bindingIdentifierEquals(name, node) { - return this.getBindingIdentifier(name) === node; - } - - getBinding(name) { - let scope = this; - - do { - const binding = scope.getOwnBinding(name); - if (binding) return binding; - } while (scope = scope.parent); - } - - getOwnBinding(name) { - return this.bindings[name]; - } - - getBindingIdentifier(name) { - const info = this.getBinding(name); - return info && info.identifier; - } - - getOwnBindingIdentifier(name) { - const binding = this.bindings[name]; - return binding && binding.identifier; - } - - hasOwnBinding(name) { - return !!this.getOwnBinding(name); - } - - hasBinding(name, noGlobals) { - if (!name) return false; - if (this.hasOwnBinding(name)) return true; - if (this.parentHasBinding(name, noGlobals)) return true; - if (this.hasUid(name)) return true; - if (!noGlobals && (0, _includes().default)(Scope.globals, name)) return true; - if (!noGlobals && (0, _includes().default)(Scope.contextVariables, name)) return true; - return false; - } - - parentHasBinding(name, noGlobals) { - return this.parent && this.parent.hasBinding(name, noGlobals); - } - - moveBindingTo(name, scope) { - const info = this.getBinding(name); - - if (info) { - info.scope.removeOwnBinding(name); - info.scope = scope; - scope.bindings[name] = info; - } - } - - removeOwnBinding(name) { - delete this.bindings[name]; - } - - removeBinding(name) { - const info = this.getBinding(name); - - if (info) { - info.scope.removeOwnBinding(name); - } - - let scope = this; - - do { - if (scope.uids[name]) { - scope.uids[name] = false; - } - } while (scope = scope.parent); - } - -} - -exports.default = Scope; -Scope.globals = Object.keys(_globals().default.builtin); -Scope.contextVariables = ["arguments", "undefined", "Infinity", "NaN"];
\ No newline at end of file |
