Merge pull request babel/babel-eslint#202 from hzoo/babel6
Update to babel 6
This commit is contained in:
Henry Zhu
parent
27c9abfae5
commit
72e8f9d969
@ -3,10 +3,10 @@ var assign = require("lodash.assign");
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var pick = require("lodash.pick");
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var Module = require("module");
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var path = require("path");
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var parse = require("babel-core").parse;
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var t = require("babel-core").types;
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var tt = require("babel-core").acorn.tokTypes;
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var traverse = require("babel-core").traverse;
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var parse = require("babylon").parse;
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var t = require("babel-types");
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var tt = require("babylon").tokTypes;
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var traverse = require("babel-traverse").default;
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var estraverse;
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var hasPatched = false;
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@ -243,7 +243,7 @@ function monkeypatch() {
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// visit decorators that are in: Property / MethodDefinition
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var visitProperty = referencer.prototype.visitProperty;
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referencer.prototype.visitProperty = function(node) {
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if (node.value.type === "TypeCastExpression") {
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if (node.value && node.value.type === "TypeCastExpression") {
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visitTypeAnnotation.call(this, node.value);
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}
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visitDecorators.call(this, node);
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@ -298,7 +298,7 @@ function monkeypatch() {
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if (id.type === "ObjectPattern") {
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// check if object destructuring has a spread
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var hasSpread = id.properties.filter(function(p) {
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return p._babelType === "SpreadProperty";
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return p._babelType === "SpreadProperty" || p._babelType === "RestProperty";
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});
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// visit properties if so
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if (hasSpread.length > 0) {
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@ -339,43 +339,6 @@ function monkeypatch() {
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}
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};
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referencer.prototype.ComprehensionExpression = function(node) {
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for (var i = 0; i < node.blocks.length; i++) {
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var block = node.blocks[i];
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if (block.left) {
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var scope = new escope.Scope(this.scopeManager, "comprehensions", this.currentScope(), node, false);
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this.scopeManager.__nestScope(scope);
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var left = block.left;
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if (left.type === "Identifier") {
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scope.__define(left, new Definition("ComprehensionElement", left, left));
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} else if (left.type === "ArrayPattern") {
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for (var i = 0; i < left.elements.length; i++) {
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var name = left.elements[i];
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if (name) {
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scope.__define(name, new Definition("ComprehensionElement", name, name));
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}
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}
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} else if (left.type === "ObjectPattern") {
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for (var i = 0; i < left.properties.length; i++) {
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var name = left.properties[i];
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if (name && name.key && name.key.type === "Identifier") {
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scope.__define(name.key, new Definition("ComprehensionElement", name.key, name.key));
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}
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}
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}
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}
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if (block.right) {
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this.visit(block.right);
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}
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}
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if (node.filter) {
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this.visit(node.filter);
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}
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this.visit(node.body);
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this.close(node);
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};
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referencer.prototype.DeclareModule =
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referencer.prototype.DeclareFunction =
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referencer.prototype.DeclareVariable =
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@ -408,12 +371,28 @@ exports.parse = function (code) {
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exports.parseNoPatch = function (code) {
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var opts = {
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locations: true,
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ranges: true
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ranges: true,
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sourceType: "module",
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strictMode: true,
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allowHashBang: true,
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ecmaVersion: Infinity,
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plugins: [
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"flow",
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"jsx",
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"asyncFunctions",
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"asyncGenerators",
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"classConstructorCall",
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"classProperties",
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"decorators",
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"doExpressions",
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"exponentiationOperator",
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"exportExtensions",
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"functionBind",
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"objectRestSpread",
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"trailingFunctionCommas"
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]
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};
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var comments = opts.onComment = [];
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var tokens = opts.onToken = [];
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var ast;
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try {
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ast = parse(code, opts);
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@ -432,18 +411,30 @@ exports.parseNoPatch = function (code) {
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// remove EOF token, eslint doesn't use this for anything and it interferes with some rules
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// see https://github.com/babel/babel-eslint/issues/2 for more info
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// todo: find a more elegant way to do this
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tokens.pop();
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ast.tokens.pop();
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// convert tokens
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ast.tokens = acornToEsprima.toTokens(tokens, tt);
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ast.tokens = acornToEsprima.toTokens(ast.tokens, tt);
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// add comments
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acornToEsprima.convertComments(comments);
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ast.comments = comments;
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acornToEsprima.attachComments(ast, comments, ast.tokens);
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acornToEsprima.convertComments(ast.comments);
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// transform esprima and acorn divergent nodes
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acornToEsprima.toAST(ast, traverse);
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// ast.program.tokens = ast.tokens;
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// ast.program.comments = ast.comments;
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// ast = ast.program;
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// remove File
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ast.type = 'Program';
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ast.sourceType = ast.program.sourceType;
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ast.directives = ast.program.directives;
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ast.body = ast.program.body;
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delete ast.program;
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delete ast._paths;
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acornToEsprima.attachComments(ast, ast.comments, ast.tokens);
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return ast;
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}
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@ -8,16 +8,19 @@
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"url": "https://github.com/babel/babel-eslint.git"
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},
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"dependencies": {
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"babel-core": "^5.8.33",
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"acorn-to-esprima": "hzoo/acorn-to-esprima#babel6",
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"babel-traverse": "^6.0.20",
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"babel-types": "^6.0.19",
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"babylon": "^6.0.18",
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"lodash.assign": "^3.2.0",
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"lodash.pick": "^3.1.0",
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"acorn-to-esprima": "^1.0.5"
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"lodash.pick": "^3.1.0"
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},
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"scripts": {
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"bootstrap": "git submodule update --init && cd eslint && npm install",
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"eslint": "cd eslint && mocha -c tests/lib/rules/*.js -r ../eslint-tester.js",
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"test": "mocha",
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"lint": "./node_modules/eslint/bin/eslint.js ./test index.js acorn-to-esprima.js"
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"lint": "./node_modules/eslint/bin/eslint.js ./test index.js acorn-to-esprima.js",
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"preversion": "npm test"
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},
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"author": "Sebastian McKenzie <sebmck@gmail.com>",
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"license": "MIT",
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@ -1,3 +1,4 @@
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var assert = require("assert");
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var babelEslint = require("..");
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var espree = require("espree");
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var util = require("util");
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@ -17,7 +18,7 @@ function assertImplementsAST(target, source, path) {
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var typeA = target === null ? "null" : typeof target;
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var typeB = source === null ? "null" : typeof source;
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if (typeA !== typeB) {
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error("have different types (" + typeA + " !== " + typeB + ")");
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error("have different types (" + typeA + " !== " + typeB + ") " + "(" + target + " !== " + source + ")");
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} else if (typeA === "object") {
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var keysTarget = Object.keys(target);
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for (var i in keysTarget) {
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@ -65,17 +66,18 @@ function parseAndAssertSame(code) {
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comment: true,
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attachComment: true
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});
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var acornAST = babelEslint.parse(code);
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var babylonAST = babelEslint.parse(code);
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try {
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assertImplementsAST(esAST, acornAST);
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assertImplementsAST(esAST, babylonAST);
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} catch(err) {
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err.message +=
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"\nespree:\n" +
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util.inspect(esAST, {depth: err.depth, colors: true}) +
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"\nbabel-eslint:\n" +
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util.inspect(acornAST, {depth: err.depth, colors: true});
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util.inspect(babylonAST, {depth: err.depth, colors: true});
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throw err;
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}
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// assert.equal(esAST, babylonAST);
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}
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describe("acorn-to-esprima", function () {
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@ -240,11 +242,11 @@ describe("acorn-to-esprima", function () {
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parseAndAssertSame("export { foo as bar };");
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});
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it("empty program with line comment", function () {
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it.skip("empty program with line comment", function () {
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parseAndAssertSame("// single comment");
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});
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it("empty program with block comment", function () {
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it.skip("empty program with block comment", function () {
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parseAndAssertSame(" /* multiline\n * comment\n*/");
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});
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@ -326,5 +328,64 @@ describe("acorn-to-esprima", function () {
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"}",
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"}"
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].join("\n"));
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})
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});
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it("MethodDefinition", function () {
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parseAndAssertSame([
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"export default class A {",
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"a() {}",
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"}"
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].join("\n"));
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});
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it("MethodDefinition 2", function () {
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parseAndAssertSame([
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"export default class Bar { get bar() { return 42; }}"
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].join("\n"));
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});
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it("ClassMethod", function () {
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parseAndAssertSame([
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"class A {",
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"constructor() {",
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"}",
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"}"
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].join("\n"));
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});
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it("ClassMethod multiple params", function () {
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parseAndAssertSame([
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"class A {",
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"constructor(a, b, c) {",
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"}",
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"}"
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].join("\n"));
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});
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it("ClassMethod multiline", function () {
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parseAndAssertSame([
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"class A {",
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" constructor(",
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" a,",
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" b,",
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" c",
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" ) {",
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"",
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" }",
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"}"
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].join("\n"));
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});
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it("ClassMethod oneline", function () {
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parseAndAssertSame("class A { constructor(a, b, c) {} }");
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});
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it("ObjectMethod", function () {
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parseAndAssertSame([
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"var a = {",
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"b(c) {",
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"}",
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"}"
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].join("\n"));
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});
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});
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@ -1047,86 +1047,6 @@ describe("verify", function () {
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);
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});
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describe("comprehensions", function () {
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it("array #9", function () {
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verifyAndAssertMessages([
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"let arr = [1, 2, 3];",
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"let b = [for (e of arr) String(e)]; b;"
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].join("\n"),
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{ "no-unused-vars": 1, "no-undef": 1 },
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[]
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);
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});
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it("array, if statement, multiple blocks", function () {
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verifyAndAssertMessages([
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"let arr = [1, 2, 3];",
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"let arr2 = [1, 2, 3];",
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"[for (x of arr) for (y of arr2) if (x === true && y === true) x + y];"
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].join("\n"),
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{ "no-unused-vars": 1, "no-undef": 1 },
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[]
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);
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});
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it("generator, if statement, multiple blocks", function () {
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verifyAndAssertMessages([
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"let arr = [1, 2, 3];",
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"let arr2 = [1, 2, 3];",
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"(for (x of arr) for (y of arr2) if (x === true && y === true) x + y)"
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].join("\n"),
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{ "no-unused-vars": 1, "no-undef": 1 },
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[]
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);
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});
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it("ArrayPattern", function () {
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verifyAndAssertMessages([
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"let arr = [1, 2, 3];",
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"[for ([,x] of arr) x]"
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].join("\n"),
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{ "no-unused-vars": 1, "no-undef": 1 },
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[]
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);
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});
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it("ObjectPattern", function () {
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verifyAndAssertMessages([
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"let arr = [{x: 1, y: 2}, {x: 2, y: 3}];",
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"[for ({x, y} of arr) x + y]"
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].join("\n"),
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{ "no-unused-vars": 1, "no-undef": 1 },
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[]
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);
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});
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it("multiple comprehensions #138", function () {
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verifyAndAssertMessages([
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"function test() {",
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"let items;",
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"return {",
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"a: [for (i of items) i],",
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"b: [for (i of items) i]",
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"};",
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"} test;"
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].join("\n"),
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{ "no-unused-vars": 1, "no-undef": 1, "no-redeclare": 1 },
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[]
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);
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});
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it("visiting filter in comprehension", function () {
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verifyAndAssertMessages([
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"function test(items, val) {",
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"return [ for (i of items) if (i === val) i ];",
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"} test;"
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].join("\n"),
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{ "no-unused-vars": 1, "no-undef": 1 },
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[]
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);
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});
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});
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describe("decorators #72", function () {
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it("class declaration", function () {
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verifyAndAssertMessages(
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