386 lines
10 KiB
JavaScript
386 lines
10 KiB
JavaScript
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"use strict";
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exports.__esModule = true;
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exports.is = undefined;
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var _getIterator2 = require("babel-runtime/core-js/get-iterator");
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var _getIterator3 = _interopRequireDefault(_getIterator2);
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exports.matchesPattern = matchesPattern;
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exports.has = has;
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exports.isStatic = isStatic;
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exports.isnt = isnt;
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exports.equals = equals;
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exports.isNodeType = isNodeType;
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exports.canHaveVariableDeclarationOrExpression = canHaveVariableDeclarationOrExpression;
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exports.canSwapBetweenExpressionAndStatement = canSwapBetweenExpressionAndStatement;
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exports.isCompletionRecord = isCompletionRecord;
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exports.isStatementOrBlock = isStatementOrBlock;
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exports.referencesImport = referencesImport;
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exports.getSource = getSource;
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exports.willIMaybeExecuteBefore = willIMaybeExecuteBefore;
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exports._guessExecutionStatusRelativeTo = _guessExecutionStatusRelativeTo;
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exports._guessExecutionStatusRelativeToDifferentFunctions = _guessExecutionStatusRelativeToDifferentFunctions;
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exports.resolve = resolve;
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exports._resolve = _resolve;
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var _includes = require("lodash/includes");
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var _includes2 = _interopRequireDefault(_includes);
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var _babelTypes = require("babel-types");
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var t = _interopRequireWildcard(_babelTypes);
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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)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function matchesPattern(pattern, allowPartial) {
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if (!this.isMemberExpression()) return false;
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var parts = pattern.split(".");
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var search = [this.node];
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var i = 0;
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function matches(name) {
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var part = parts[i];
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return part === "*" || name === part;
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}
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while (search.length) {
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var node = search.shift();
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if (allowPartial && i === parts.length) {
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return true;
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}
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if (t.isIdentifier(node)) {
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if (!matches(node.name)) return false;
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} else if (t.isLiteral(node)) {
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if (!matches(node.value)) return false;
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} else if (t.isMemberExpression(node)) {
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if (node.computed && !t.isLiteral(node.property)) {
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return false;
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} else {
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search.unshift(node.property);
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search.unshift(node.object);
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continue;
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}
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} else if (t.isThisExpression(node)) {
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if (!matches("this")) return false;
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} else {
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return false;
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}
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if (++i > parts.length) {
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return false;
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}
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}
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return i === parts.length;
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}
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function has(key) {
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var val = this.node && this.node[key];
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if (val && Array.isArray(val)) {
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return !!val.length;
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} else {
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return !!val;
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}
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}
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function isStatic() {
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return this.scope.isStatic(this.node);
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}
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var is = exports.is = has;
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function isnt(key) {
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return !this.has(key);
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}
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function equals(key, value) {
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return this.node[key] === value;
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}
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function isNodeType(type) {
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return t.isType(this.type, type);
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}
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function canHaveVariableDeclarationOrExpression() {
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return (this.key === "init" || this.key === "left") && this.parentPath.isFor();
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}
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function canSwapBetweenExpressionAndStatement(replacement) {
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if (this.key !== "body" || !this.parentPath.isArrowFunctionExpression()) {
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return false;
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}
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if (this.isExpression()) {
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return t.isBlockStatement(replacement);
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} else if (this.isBlockStatement()) {
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return t.isExpression(replacement);
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}
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return false;
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}
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function isCompletionRecord(allowInsideFunction) {
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var path = this;
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var first = true;
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do {
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var container = path.container;
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if (path.isFunction() && !first) {
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return !!allowInsideFunction;
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}
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first = false;
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if (Array.isArray(container) && path.key !== container.length - 1) {
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return false;
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}
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} while ((path = path.parentPath) && !path.isProgram());
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return true;
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}
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function isStatementOrBlock() {
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if (this.parentPath.isLabeledStatement() || t.isBlockStatement(this.container)) {
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return false;
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} else {
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return (0, _includes2.default)(t.STATEMENT_OR_BLOCK_KEYS, this.key);
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}
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}
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function referencesImport(moduleSource, importName) {
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if (!this.isReferencedIdentifier()) return false;
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var binding = this.scope.getBinding(this.node.name);
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if (!binding || binding.kind !== "module") return false;
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var path = binding.path;
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var parent = path.parentPath;
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if (!parent.isImportDeclaration()) return false;
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if (parent.node.source.value === moduleSource) {
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if (!importName) return true;
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} else {
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return false;
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}
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if (path.isImportDefaultSpecifier() && importName === "default") {
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return true;
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}
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if (path.isImportNamespaceSpecifier() && importName === "*") {
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return true;
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}
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if (path.isImportSpecifier() && path.node.imported.name === importName) {
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return true;
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}
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return false;
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}
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function getSource() {
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var node = this.node;
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if (node.end) {
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return this.hub.file.code.slice(node.start, node.end);
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} else {
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return "";
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}
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}
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function willIMaybeExecuteBefore(target) {
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return this._guessExecutionStatusRelativeTo(target) !== "after";
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}
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function _guessExecutionStatusRelativeTo(target) {
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var targetFuncParent = target.scope.getFunctionParent();
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var selfFuncParent = this.scope.getFunctionParent();
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if (targetFuncParent.node !== selfFuncParent.node) {
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var status = this._guessExecutionStatusRelativeToDifferentFunctions(targetFuncParent);
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if (status) {
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return status;
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} else {
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target = targetFuncParent.path;
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}
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}
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var targetPaths = target.getAncestry();
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if (targetPaths.indexOf(this) >= 0) return "after";
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var selfPaths = this.getAncestry();
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var commonPath = void 0;
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var targetIndex = void 0;
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var selfIndex = void 0;
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for (selfIndex = 0; selfIndex < selfPaths.length; selfIndex++) {
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var selfPath = selfPaths[selfIndex];
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targetIndex = targetPaths.indexOf(selfPath);
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if (targetIndex >= 0) {
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commonPath = selfPath;
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break;
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}
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}
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if (!commonPath) {
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return "before";
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}
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var targetRelationship = targetPaths[targetIndex - 1];
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var selfRelationship = selfPaths[selfIndex - 1];
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if (!targetRelationship || !selfRelationship) {
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return "before";
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}
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if (targetRelationship.listKey && targetRelationship.container === selfRelationship.container) {
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return targetRelationship.key > selfRelationship.key ? "before" : "after";
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}
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var targetKeyPosition = t.VISITOR_KEYS[targetRelationship.type].indexOf(targetRelationship.key);
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var selfKeyPosition = t.VISITOR_KEYS[selfRelationship.type].indexOf(selfRelationship.key);
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return targetKeyPosition > selfKeyPosition ? "before" : "after";
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}
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function _guessExecutionStatusRelativeToDifferentFunctions(targetFuncParent) {
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var targetFuncPath = targetFuncParent.path;
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if (!targetFuncPath.isFunctionDeclaration()) return;
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var binding = targetFuncPath.scope.getBinding(targetFuncPath.node.id.name);
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if (!binding.references) return "before";
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var referencePaths = binding.referencePaths;
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for (var _iterator = referencePaths, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
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var _ref;
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if (_isArray) {
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if (_i >= _iterator.length) break;
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_ref = _iterator[_i++];
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} else {
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_i = _iterator.next();
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if (_i.done) break;
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_ref = _i.value;
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}
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var path = _ref;
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if (path.key !== "callee" || !path.parentPath.isCallExpression()) {
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return;
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}
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}
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var allStatus = void 0;
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for (var _iterator2 = referencePaths, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
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var _ref2;
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if (_isArray2) {
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if (_i2 >= _iterator2.length) break;
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_ref2 = _iterator2[_i2++];
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} else {
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_i2 = _iterator2.next();
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if (_i2.done) break;
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_ref2 = _i2.value;
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}
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var _path = _ref2;
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var childOfFunction = !!_path.find(function (path) {
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return path.node === targetFuncPath.node;
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});
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if (childOfFunction) continue;
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var status = this._guessExecutionStatusRelativeTo(_path);
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if (allStatus) {
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if (allStatus !== status) return;
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} else {
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allStatus = status;
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}
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}
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return allStatus;
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}
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function resolve(dangerous, resolved) {
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return this._resolve(dangerous, resolved) || this;
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}
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function _resolve(dangerous, resolved) {
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if (resolved && resolved.indexOf(this) >= 0) return;
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resolved = resolved || [];
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resolved.push(this);
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if (this.isVariableDeclarator()) {
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if (this.get("id").isIdentifier()) {
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return this.get("init").resolve(dangerous, resolved);
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} else {}
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} else if (this.isReferencedIdentifier()) {
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var binding = this.scope.getBinding(this.node.name);
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if (!binding) return;
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if (!binding.constant) return;
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if (binding.kind === "module") return;
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if (binding.path !== this) {
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var ret = binding.path.resolve(dangerous, resolved);
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if (this.find(function (parent) {
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return parent.node === ret.node;
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})) return;
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return ret;
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}
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} else if (this.isTypeCastExpression()) {
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return this.get("expression").resolve(dangerous, resolved);
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} else if (dangerous && this.isMemberExpression()) {
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var targetKey = this.toComputedKey();
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if (!t.isLiteral(targetKey)) return;
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var targetName = targetKey.value;
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var target = this.get("object").resolve(dangerous, resolved);
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if (target.isObjectExpression()) {
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var props = target.get("properties");
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for (var _iterator3 = props, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
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var _ref3;
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if (_isArray3) {
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if (_i3 >= _iterator3.length) break;
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_ref3 = _iterator3[_i3++];
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} else {
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_i3 = _iterator3.next();
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if (_i3.done) break;
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_ref3 = _i3.value;
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}
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var prop = _ref3;
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if (!prop.isProperty()) continue;
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var key = prop.get("key");
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var match = prop.isnt("computed") && key.isIdentifier({ name: targetName });
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match = match || key.isLiteral({ value: targetName });
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if (match) return prop.get("value").resolve(dangerous, resolved);
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}
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} else if (target.isArrayExpression() && !isNaN(+targetName)) {
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var elems = target.get("elements");
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var elem = elems[targetName];
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if (elem) return elem.resolve(dangerous, resolved);
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}
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}
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}
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