gulp-env-vars v1.0.7
compile NODE_ENV variables.
Installation
Node.js
gulp-env-vars is available on npm or yarn.
$ yarn add gulp-env-vars --dev
$ npm install gulp-env-vars --save-devUsage
a. gulpfile.js
const { argv } = require('argvs');
const gulp = require('gulp');
const EnvVars = require('gulp-env-vars');
const conf = require('./env.config')[argv.conf || 'development'];
if (!conf) {
console.log('\n', 'config not found...', '\n');
console.log('-conf：', argv.conf);
process.exit(0);
}
console.log('\n', 'current conf:', conf, '\n');
gulp.task('default', function() {
return gulp.src(['src/**/*.html', 'src/**/*.js'])
.pipe(EnvVars(conf))
.pipe(gulp.dest('dist/'))
});b. env.config.js
const DEFAULTS = {
DOCUMENT_TITLE: 'demo',
DOCUMENT_DESCRIPTION: 'gulp-env-vars',
DOCUMENT_KEYWORDS: 'gulp-env-vars, gulp env vars, gulp, env, vars',
BUILD_TIME: (new Date()).toLocaleString('en-US', {hour12: false})
}
module.exports = {
development: {
...DEFAULTS,
HELLO: 'development'
},
test: {
...DEFAULTS,
HELLO: 'test'
},
production: {
...DEFAULTS,
HELLO: 'production'
}
}c. index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="renderer" content="webkit">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="format-detection" content="email=no">
<meta name="format-detection" content="telephone=no">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>TEST<% = process.env.DOCUMENT_TITLE %></title>
<meta name="author" content="Jack.Chan">
<meta name="description" content="<% = process.env.DOCUMENT_DESCRIPTION %>">
<meta name="keywords" content="<% = process.env.DOCUMENT_KEYWORDS %>">
</head>
<body>
<h1>TEST:</h1>
<h1>use: {{ :process.env.include('./src/model.tpl') }}</h1>
<div style="color:green;">found:
{{ process.env.include('./src/model.tpl') }}
</div>
<p>----------------</p>
<div style="color:gray;">not found:
{{ process.env.include('./model.tpl') }}
</div>
<p>----------------</p>
<h1>use: <% = process.env.XXX %></h1>
<h1 style="color:green;">found: <% = process.env.DOCUMENT_TITLE %></h1>
<h2 style="color:gray;">not found: <% = process.env.NOT_FOUND %></h2>
<h1 style="color:orange;">raw: <% = ::process.env.DOCUMENT_TITLE %></h1>
<h3 style="color:red;">unsupported: <% = undefined %></h3>
<hr>
<h1>use: {{ :process.env.XXX }}</h1>
<h1 style="color:green;">found: {{ process.env.DOCUMENT_TITLE }}</h1>
<h2 style="color:gray;">not found: {{ process.env.NOT_FOUND }}</h2>
<h1 style="color:orange;">raw: {{ ::process.env.DOCUMENT_TITLE }}</h1>
<h3 style="color:red;">unsupported: {{ undefined }}</h3>
<hr>
<h2>current env is: <% = process.env.HELLO %> <small>build time: <%=process.env.BUILD_TIME%></small></h2>
<script type="text/javascript" src="index.js"></script>
</body>
</html>d. index.js
alert('process.env.HELLO');
alert('process.env.HELLOX');
document.write('<p style="color:red;">current env is: process.env.HELLO <small>build time: process.env.BUILD_TIME</small></p>');e. model.tpl
<h1>TEST </h1>License
(The MIT License)
Copyright (c) 2013 Jack.Chan fulicat@qq.com (http://fulicat.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.