230 lines
7.0 KiB
Markdown
230 lines
7.0 KiB
Markdown
<p align="center">
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<a href="http://gulpjs.com">
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<img height="257" width="114" src="https://raw.githubusercontent.com/gulpjs/artwork/master/gulp-2x.png">
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</a>
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</p>
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# interpret
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[![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Travis Build Status][travis-image]][travis-url] [![AppVeyor Build Status][appveyor-image]][appveyor-url] [![Coveralls Status][coveralls-image]][coveralls-url] [![Gitter chat][gitter-image]][gitter-url]
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A dictionary of file extensions and associated module loaders.
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## What is it
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This is used by [Liftoff](http://github.com/tkellen/node-liftoff) to automatically require dependencies for configuration files, and by [rechoir](http://github.com/tkellen/node-rechoir) for registering module loaders.
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## interpret for enterprise
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Available as part of the Tidelift Subscription
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The maintainers of interpret and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-interpret?utm_source=npm-interpret&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)
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## API
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### extensions
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Map file types to modules which provide a [require.extensions] loader.
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```js
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{
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'.babel.js': [
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{
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module: '@babel/register',
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register: function(hook) {
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hook({
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extensions: '.js',
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rootMode: 'upward-optional',
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ignore: [ignoreNonBabelAndNodeModules],
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});
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},
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},
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{
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module: 'babel-register',
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register: function(hook) {
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hook({
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extensions: '.js',
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ignore: ignoreNonBabelAndNodeModules,
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});
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},
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},
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{
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module: 'babel-core/register',
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register: function(hook) {
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hook({
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extensions: '.js',
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ignore: ignoreNonBabelAndNodeModules,
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});
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},
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},
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{
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module: 'babel/register',
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register: function(hook) {
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hook({
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extensions: '.js',
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ignore: ignoreNonBabelAndNodeModules,
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});
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},
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},
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],
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'.babel.ts': [
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{
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module: '@babel/register',
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register: function(hook) {
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hook({
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extensions: '.ts',
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rootMode: 'upward-optional',
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ignore: [ignoreNonBabelAndNodeModules],
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});
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},
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},
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],
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'.buble.js': 'buble/register',
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'.cirru': 'cirru-script/lib/register',
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'.cjsx': 'node-cjsx/register',
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'.co': 'coco',
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'.coffee': ['coffeescript/register', 'coffee-script/register', 'coffeescript', 'coffee-script'],
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'.coffee.md': ['coffeescript/register', 'coffee-script/register', 'coffeescript', 'coffee-script'],
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'.csv': 'require-csv',
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'.eg': 'earlgrey/register',
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'.esm.js': {
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module: 'esm',
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register: function(hook) {
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// register on .js extension due to https://github.com/joyent/node/blob/v0.12.0/lib/module.js#L353
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// which only captures the final extension (.babel.js -> .js)
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var esmLoader = hook(module);
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require.extensions['.js'] = esmLoader('module')._extensions['.js'];
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},
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},
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'.iced': ['iced-coffee-script/register', 'iced-coffee-script'],
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'.iced.md': 'iced-coffee-script/register',
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'.ini': 'require-ini',
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'.js': null,
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'.json': null,
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'.json5': ['json5/lib/register', 'json5/lib/require'],
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'.jsx': [
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{
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module: '@babel/register',
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register: function(hook) {
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hook({
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extensions: '.jsx',
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rootMode: 'upward-optional',
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ignore: [ignoreNonBabelAndNodeModules],
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});
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},
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},
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{
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module: 'babel-register',
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register: function(hook) {
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hook({
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extensions: '.jsx',
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ignore: ignoreNonBabelAndNodeModules,
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});
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},
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},
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{
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module: 'babel-core/register',
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register: function(hook) {
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hook({
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extensions: '.jsx',
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ignore: ignoreNonBabelAndNodeModules,
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});
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},
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},
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{
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module: 'babel/register',
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register: function(hook) {
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hook({
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extensions: '.jsx',
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ignore: ignoreNonBabelAndNodeModules,
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});
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},
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},
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{
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module: 'node-jsx',
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register: function(hook) {
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hook.install({ extension: '.jsx', harmony: true });
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},
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},
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],
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'.litcoffee': ['coffeescript/register', 'coffee-script/register', 'coffeescript', 'coffee-script'],
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'.liticed': 'iced-coffee-script/register',
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'.ls': ['livescript', 'LiveScript'],
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'.mjs': '/absolute/path/to/interpret/mjs-stub.js',
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'.node': null,
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'.toml': {
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module: 'toml-require',
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register: function(hook) {
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hook.install();
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},
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},
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'.ts': [
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'ts-node/register',
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'typescript-node/register',
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'typescript-register',
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'typescript-require',
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'sucrase/register/ts',
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{
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module: '@babel/register',
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register: function(hook) {
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hook({
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extensions: '.ts',
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rootMode: 'upward-optional',
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ignore: [ignoreNonBabelAndNodeModules],
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});
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},
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},
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],
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'.tsx': [
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'ts-node/register',
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'typescript-node/register',
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'sucrase/register',
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{
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module: '@babel/register',
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register: function(hook) {
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hook({
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extensions: '.tsx',
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rootMode: 'upward-optional',
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ignore: [ignoreNonBabelAndNodeModules],
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});
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},
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},
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],
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'.wisp': 'wisp/engine/node',
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'.xml': 'require-xml',
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'.yaml': 'require-yaml',
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'.yml': 'require-yaml',
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}
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```
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### jsVariants
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Same as above, but only include the extensions which are javascript variants.
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## How to use it
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Consumers should use the exported `extensions` or `jsVariants` object to determine which module should be loaded for a given extension. If a matching extension is found, consumers should do the following:
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1. If the value is null, do nothing.
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2. If the value is a string, try to require it.
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3. If the value is an object, try to require the `module` property. If successful, the `register` property (a function) should be called with the module passed as the first argument.
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4. If the value is an array, iterate over it, attempting step #2 or #3 until one of the attempts does not throw.
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[require.extensions]: http://nodejs.org/api/globals.html#globals_require_extensions
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[downloads-image]: http://img.shields.io/npm/dm/interpret.svg
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[npm-url]: https://www.npmjs.com/package/interpret
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[npm-image]: http://img.shields.io/npm/v/interpret.svg
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[travis-url]: https://travis-ci.org/gulpjs/interpret
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[travis-image]: http://img.shields.io/travis/gulpjs/interpret.svg?label=travis-ci
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[appveyor-url]: https://ci.appveyor.com/project/gulpjs/interpret
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[appveyor-image]: https://img.shields.io/appveyor/ci/gulpjs/interpret.svg?label=appveyor
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[coveralls-url]: https://coveralls.io/r/gulpjs/interpret
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[coveralls-image]: http://img.shields.io/coveralls/gulpjs/interpret/master.svg
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[gitter-url]: https://gitter.im/gulpjs/gulp
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[gitter-image]: https://badges.gitter.im/gulpjs/gulp.svg
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