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concatenate-js-middleware
Advanced tools
A module to concatenate JavaScript files on-the-fly or to save them to disk.
A module to concatenate JavaScript files on-the-fly or to save them to disk.
This module is still in its infancy. More documentation and features will be added as it matures.
This module is tested with Node.js 8 and 9. It might work with Node.js 6 or 7, but is not tested.
npm install --save concatenate-js-middleware
In order to concatenate your JavaScript files, you will need to configure which JavaScript files will be concatenated into which files. In the example below, we have two final JavaScript files: "libs.js" and "scripts.js":
jsConfig.js
'use strict';
const path = require('path');
const libs = [
'../../node_modules/jquery/dist/jquery.min.js',
'other/lib.js'
];
const scripts = [
'../public/js/homepage.js',
'../public/js/anotherFile.js'
];
module.exports = {
libs: libs.map(file => {
return path.join(__dirname, file);
}),
scripts: scripts.map(file => {
return path.join(__dirname, file);
})
};
const concatenateJs = require('concatenate-js-middleware');
const jsConfig = require('./config/jsConfig.js');
app.use('/js/:jsName', concatenateJs(jsConfig));
const concatenateJs = require('concatenate-js-middleware');
const jsConfig = require('./config/jsConfig.js');
concatenateJs.concatenateJsAndSaveMultiple({
originPath: path.join(__dirname, 'public/js/'),
destinationPath: path.join(__dirname, 'public/js/'),
files: ['libs.js'],
minify: true,
config: jsConfig
}).then(...).catch(...);
Returns the concatenated JavaScript as a string.
const concatenateJs = require('concatenate-js-middleware');
const jsConfig = require('./config/jsConfig.js');
const jsString = concatenateJs.concatenateJs(jsConfig['libs']).then(...).catch(...);
Concatenates the given JavaScript file.
const concatenateJs = require('concatenate-js-middleware');
const jsConfig = require('./config/jsConfig.js');
concatenateJs.concatenateJsAndSave({
originPath: path.join(__dirname, 'public/js/'),
destinationPath: path.join(__dirname, 'public/js/'),
file: 'libs.js',
minify: true,
config: jsConfig
}).then(...).catch(...);
Concatenates multiple JavaScript files defined in the "files" option.
const concatenateJs = require('concatenate-js-middleware');
const jsConfig = require('./config/jsConfig.js');
concatenateJs.concatenateJsAndSaveMultiple({
originPath: path.join(__dirname, 'public/js/'),
destinationPath: path.join(__dirname, 'public/js/'),
files: ['libs.js'],
minify: true,
config: jsConfig
}).then(...).catch(...);
Deletes the passed directory when the app is exited. The idea is to pass the directory where your compiled CSS files are, so that they can be deleted when the app is exited and recompiled when the app starts.
const concatenateJs = require('concatenate-js-middleware');
process.on('SIGINT', () => {
try {
concatenateJs.setupCleanupOnExit({
path: path.join(__dirname, 'public/js/'),
files: ['libs.js']
});
process.exit(0);
}
catch(error) {
process.exit(1);
}
});
This modules is maintained by Alex Seifert (Website, Github).
FAQs
A module to concatenate JavaScript files on-the-fly or to save them to disk.
We found that concatenate-js-middleware demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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