Initial commit

.babelrc

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+{
+  "presets": [
+    "es2015",
+    "stage-0"
+  ]
+}

.editorconfig

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+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+
+[*.js]
+indent_style = space
+indent_size = 2
+
+[*.json]
+indent_style = space
+indent_size = 2
+insert_final_newline = false
+
+[.babelrc]
+indent_style = space
+indent_size = 2
+insert_final_newline = false
+
+[*.yml]
+indent_style = space
+indent_size = 2
+insert_final_newline = false
+
+[*.md]
+indent_style = space
+indent_size = 2

.gitignore

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+# Git
+.git/
+
+# NPM
+node_modules/
+
+# Lib
+lib/
+
+# Coverage
+coverage/

.travis.yml

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+language: node_js
+node_js: "6"
+
+cache:
+  yarn: true
+
+env:
+  global:
+    - "NODE_ENV=test"
+    - "YARN_VERSION=0.18.1"
+
+before_install:
+  # Instal deps
+  - "npm install -g yarn@${YARN_VERSION}"
+  - "yarn global add coveralls --no-progress"
+  - "(NODE_ENV=development && yarn install --ignore-scripts --no-progress)"
+  - "yarn list"
+
+script:
+  # Lint
+  - "npm run lint"
+  # Build
+  - "npm run build"
+  # Test
+  - "npm run test-ci"
+
+after_script:
+  # coveralls
+  - "cat ./coverage/lcov.info | coveralls"
+
+branches:
+  except:
+    - gh-pages

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2017 Alexander Krivoshhekov <SuperPaintmanDeveloper@gmail.com>
+
+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.

README.md

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+# babel-plugin-syntax-pipeline
+
+[![Build][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+
+> Allow parsing of pipeline operator `|>`
+
+
+**Proposal**: [mindeavor/es-pipeline-operator][proposal-url]
+
+
+--------------------------------------------------------------------------------
+
+
+## Installation
+
+```sh
+npm install --save-dev babel-plugin-syntax-pipeline
+
+# or
+
+yarn add --dev babel-plugin-syntax-pipeline
+```
+
+
+--------------------------------------------------------------------------------
+
+
+## Usage
+### Via `.babelrc` (Recommended)
+
+**.babelrc**
+
+```json
+{
+  "plugins": ["syntax-pipeline"]
+}
+```
+
+
+### Via CLI
+
+```sh
+babel --plugins syntax-pipeline script.js
+```
+
+### Via Node API
+
+```javascript
+require("babel-core").transform("code", {
+  plugins: ["syntax-pipeline"]
+});
+```
+
+
+--------------------------------------------------------------------------------
+
+## Build
+
+```sh
+npm run build
+```
+
+
+--------------------------------------------------------------------------------
+
+## Test
+
+```sh
+npm run test
+```
+
+
+--------------------------------------------------------------------------------
+
+
+## Contributing
+
+1. Fork it (<https://github.com/SuperPaintman/babel-plugin-syntax-pipeline/fork>)
+2. Create your feature branch (`git checkout -b feature/<feature_name>`)
+3. Commit your changes (`git commit -am 'Added some feature'`)
+4. Push to the branch (`git push origin feature/<feature_name>`)
+5. Create a new Pull Request
+
+
+
+--------------------------------------------------------------------------------
+
+
+## Contributors
+
+- [SuperPaintman](https://github.com/SuperPaintman) SuperPaintman - creator, maintainer
+
+
+--------------------------------------------------------------------------------
+
+
+## License
+
+[MIT][license-url]
+
+
+[license-url]: LICENSE
+[travis-image]: https://img.shields.io/travis/SuperPaintman/babel-plugin-syntax-pipeline/master.svg?label=linux
+[travis-url]: https://travis-ci.org/SuperPaintman/babel-plugin-syntax-pipeline
+[coveralls-image]: https://img.shields.io/coveralls/SuperPaintman/babel-plugin-syntax-pipeline/master.svg
+[coveralls-url]: https://coveralls.io/r/SuperPaintman/babel-plugin-syntax-pipeline?branch=master
+[proposal-url]: https://github.com/mindeavor/es-pipeline-operator

mocha.opts

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+--reporter spec
+--timeout 10000
+--slow 2000

package.json

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+{
+  "name": "babel-plugin-syntax-pipeline",
+  "version": "0.1.0",
+  "description": "Allow parsing of pipeline operator",
+  "main": "lib/index.js",
+  "scripts": {
+    "build": "babel src -d lib -s",
+    "build:watch": "babel src -d lib -s -w",
+    "lint": "echo 'TODO add linter'",
+    "test": "mocha --opts ./mocha.opts ./lib/**/test.js",
+    "test:watch": "mocha --opts ./mocha.opts --watch ./lib/**/test.js",
+    "test-ci": "istanbul cover ./node_modules/mocha/bin/_mocha -- --opts ./mocha.opts ./lib/**/test.js",
+    "prepublish": "npm run lint && npm run build && npm run test",
+    "prepush": "npm run prepublish",
+    "precommit": "npm run lint"
+  },
+  "author": {
+    "name": "SuperPaintman",
+    "email": "SuperPaintmanDeveloper@gmail.com",
+    "url": "https://superpaintman.com/"
+  },
+  "license": "MIT",
+  "keywords": [
+    "babel",
+    "babel-plugin",
+    "pipeline",
+    "pipeline-operator"
+  ],
+  "files": [
+    "LICENSE",
+    "README.md",
+    "lib/"
+  ],
+  "dependencies": {
+    "babylon": "6.13.0"
+  },
+  "devDependencies": {
+    "babel-cli": "6.24.0",
+    "babel-core": "6.24.0",
+    "babel-preset-es2015": "6.24.0",
+    "babel-preset-stage-0": "6.22.0",
+    "chai": "3.5.0",
+    "husky": "0.13.2",
+    "istanbul": "0.4.5",
+    "mocha": "3.2.0",
+    "source-map-support": "0.4.14"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/SuperPaintman/babel-plugin-syntax-pipeline.git"
+  }
+}

src/index.js

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+'use strict';
+/** Imports */
+import Parser, { plugins } from 'babylon/lib/parser';
+import { TokenType, types as tt } from 'babylon/lib/tokenizer/types';
+
+/** Constants */
+const CHAR_CODES = '|>'.split('').map((c) => c.charCodeAt(0));
+const PLUGIN_NAME = 'pipeline';
+
+const beforeExpr = true;
+
+
+/** Types */
+tt.pipeline = new TokenType('|>', { beforeExpr, binop: 12 });
+
+
+/** Parser */
+const pp = Parser.prototype;
+
+pp.readToken_pipeline = function readToken_pipeline(code) {
+  return this.finishOp(tt.pipeline, 2);
+};
+
+
+
+/** Plugin */
+function plugin(instance) {
+  instance.extend('readToken', (inner) => function readToken(code) {
+    const next = this.input.charCodeAt(this.state.pos + 1);
+
+    if (!(code === CHAR_CODES[0] && next === CHAR_CODES[1])) {
+      return inner.call(this, code);
+    }
+
+    return this.readToken_pipeline(code);
+  });
+}
+
+
+/** Export */
+plugins[PLUGIN_NAME] = plugin;
+
+export default function () {
+  return {
+    manipulateOptions(opts, parserOpts) {
+      parserOpts.plugins.push(PLUGIN_NAME);
+    }
+  };
+};

src/test/helper.js

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+'use strict';
+/** Imports */
+import 'source-map-support/register';
+
+process.env.NODE_ENV = 'test';