first commit

eslint/babel-eslint-parser/.gitignore

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+node_modules

eslint/babel-eslint-parser/LICENSE

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+Copyright (c) 2014-2015 Sebastian McKenzie <sebmck@gmail.com>
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

eslint/babel-eslint-parser/README.md

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+# babel-eslint
+
+**babel-eslint** allows you to lint **ALL** valid Babel code with the fantastic
+[eslint](https://github.com/eslint/eslint).
+
+**NOTE:** Please note that this is experimental and may have numerous bugs. It is however
+successfuly linting the [babel core](https://github.com/babel/babel/blob/master/.eslintrc).
+
+## Usage
+
+### Install
+
+```sh
+$ npm install eslint babel-eslint
+```
+
+### Setup
+
+**.eslintrc**
+
+```json
+{
+  "parser": "babel-eslint",
+  "rules": {
+    "strict": 0
+  }
+}
+```
+
+### Run
+
+```sh
+$ eslint your-files-here
+```

eslint/babel-eslint-parser/acorn-to-esprima.js

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+var tokTypes = require("babel").acorn.tokTypes;
+var traverse = require("babel").traverse;
+var t        = require("babel").types;
+
+exports.toToken = function (token) {
+  var type = token.type;
+
+  if (type === tokTypes.name) {
+    token.type = "Identifier";
+  } else if (type === tokTypes.semi || type === tokTypes.comma || type === tokTypes.parenL || type === tokTypes.parenR || type === tokTypes.braceL || type === tokTypes.braceR) {
+    token.type = "Punctuator";
+    token.value = type.type;
+  }
+
+  return token;
+};
+
+exports.toAST = function (ast) {
+  traverse(ast, astTransformVisitor);
+};
+
+var astTransformVisitor = {
+  noScope: true,
+  enter: function (node) {
+    if (t.isImportBatchSpecifier(node)) {
+      node.type = "ImportNamespaceSpecifier";
+      node.id = node.name;
+      delete node.name;
+    } else if (t.isFunction(node)) {
+      node.defaults = [];
+
+      node.params = node.params.map(function (param) {
+        if (t.isAssignmentPattern(param)) {
+          node.defaults.push(param.right);
+          return param.left;
+        } else {
+          node.defaults.push(null);
+          return param;
+        }
+      });
+
+      // rest
+      if (t.isRestElement(node.params[node.params.length - 1])) {
+        node.rest = node.params.pop();
+      }
+    } else if (t.isClassProperty(node)) {
+      this.remove();
+    }
+  }
+};

eslint/babel-eslint-parser/index.js

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+var acornToEsprima = require("./acorn-to-esprima");
+var traverse       = require("babel").traverse;
+var extend         = require("lodash/object/extend");
+var Module         = require("module");
+var acorn          = require("babel").acorn;
+var path           = require("path");
+var t              = require("babel").types;
+
+var hasPatched = false;
+
+function createModule(filename) {
+  var mod = new Module(filename);
+  mod.filename = filename;
+  mod.paths = Module._nodeModulePaths(path.dirname(filename));
+  return mod;
+}
+
+function monkeypatch() {
+  if (hasPatched) return;
+  hasPatched = true;
+
+  var eslintLoc;
+  try {
+    eslintLoc = require.resolve("eslint");
+  } catch (err) {
+    throw new ReferenceError("couldn't resolve eslint");
+  }
+
+  // get modules relative to what eslint will load
+  var eslintMod = createModule(eslintLoc);
+  var escopeLoc = Module._resolveFilename("escope", eslintMod);
+  var escopeMod = createModule(escopeLoc);
+
+  // monkeypatch estraverse
+  var estraverse = escopeMod.require("estraverse");
+  extend(estraverse.VisitorKeys, t.VISITOR_KEYS);
+
+  // monkeypatch escope
+  var escope  = require(escopeLoc);
+  var analyze = escope.analyze;
+  escope.analyze = function (ast, opts) {
+    opts.ecmaVersion = 6;
+    opts.sourceType = "module";
+    return analyze.call(this, ast, opts)
+  };
+}
+
+exports.parse = function (code) {
+  try {
+    monkeypatch();
+  } catch (err) {
+    console.error(err.stack);
+    process.exit(1);
+  }
+
+  var opts = {};
+  opts.ecmaVersion = 7;
+  opts.playground = true;
+  opts.locations = true;
+  opts.ranges = true;
+
+  var comments = opts.onComment = [];
+  var tokens = opts.onToken = [];
+
+  var ast = acorn.parse(code, opts);
+
+  // convert tokens
+  ast.tokens = tokens.map(acornToEsprima.toToken);
+
+  // add comments
+  ast.comments = comments;
+
+  // transform esprima and acorn divergent nodes
+  acornToEsprima.toAST(ast);
+
+  return ast;
+};

eslint/babel-eslint-parser/package.json

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+{
+  "name": "babel-eslint",
+  "version": "1.0.3",
+  "description": "",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/babel/babel-eslint.git"
+  },
+  "dependencies": {
+    "babel": "^4.6.0",
+    "lodash": "^3.3.1"
+  },
+  "author": "Sebastian McKenzie <sebmck@gmail.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/babel/babel-eslint/issues"
+  },
+  "homepage": "https://github.com/babel/babel-eslint"
+}