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85 lines
3.2 KiB
85 lines
3.2 KiB
3 years ago
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## Escodegen
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[](http://badge.fury.io/js/escodegen)
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[](http://travis-ci.org/estools/escodegen)
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[](https://david-dm.org/estools/escodegen)
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[](https://david-dm.org/estools/escodegen#info=devDependencies)
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Escodegen ([escodegen](http://github.com/estools/escodegen)) is an
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[ECMAScript](http://www.ecma-international.org/publications/standards/Ecma-262.htm)
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(also popularly known as [JavaScript](http://en.wikipedia.org/wiki/JavaScript))
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code generator from [Mozilla's Parser API](https://developer.mozilla.org/en/SpiderMonkey/Parser_API)
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AST. See the [online generator](https://estools.github.io/escodegen/demo/index.html)
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for a demo.
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### Install
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Escodegen can be used in a web browser:
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<script src="escodegen.browser.js"></script>
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escodegen.browser.js can be found in tagged revisions on GitHub.
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Or in a Node.js application via npm:
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npm install escodegen
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### Usage
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A simple example: the program
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escodegen.generate({
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type: 'BinaryExpression',
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operator: '+',
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left: { type: 'Literal', value: 40 },
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right: { type: 'Literal', value: 2 }
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});
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produces the string `'40 + 2'`.
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See the [API page](https://github.com/estools/escodegen/wiki/API) for
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options. To run the tests, execute `npm test` in the root directory.
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### Building browser bundle / minified browser bundle
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At first, execute `npm install` to install the all dev dependencies.
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After that,
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npm run-script build
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will generate `escodegen.browser.js`, which can be used in browser environments.
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And,
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npm run-script build-min
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will generate the minified file `escodegen.browser.min.js`.
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### License
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#### Escodegen
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Copyright (C) 2012 [Yusuke Suzuki](http://github.com/Constellation)
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(twitter: [@Constellation](http://twitter.com/Constellation)) and other contributors.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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