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90 lines
2.2 KiB
90 lines
2.2 KiB
2 years ago
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## Installation
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Install package with NPM and add it to your development dependencies:
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`npm install --save-dev gulp-concat`
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## Information
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<table>
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<tr>
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<td>Package</td><td>gulp-concat</td>
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</tr>
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<tr>
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<td>Description</td>
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<td>Concatenates files</td>
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</tr>
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<tr>
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<td>Node Version</td>
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<td>>= 0.10</td>
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</tr>
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</table>
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## Usage
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```js
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var concat = require('gulp-concat');
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gulp.task('scripts', function() {
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return gulp.src('./lib/*.js')
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.pipe(concat('all.js'))
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.pipe(gulp.dest('./dist/'));
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});
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```
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This will concat files by your operating systems newLine. It will take the base directory from the first file that passes through it.
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Files will be concatenated in the order that they are specified in the `gulp.src` function. For example, to concat `./lib/file3.js`, `./lib/file1.js` and `./lib/file2.js` in that order, the following code will create a task to do that:
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```js
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var concat = require('gulp-concat');
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gulp.task('scripts', function() {
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return gulp.src(['./lib/file3.js', './lib/file1.js', './lib/file2.js'])
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.pipe(concat('all.js'))
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.pipe(gulp.dest('./dist/'));
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});
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```
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To change the newLine simply pass an object as the second argument to concat with newLine being whatever (\r\n if you want to support any OS to look at it)
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For instance:
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```js
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.pipe(concat('main.js', {newLine: ';'}))
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```
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To specify `cwd`, `path` and other [vinyl](https://github.com/wearefractal/vinyl) properties, gulp-concat accepts `Object` as first argument:
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```js
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var concat = require('gulp-concat');
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gulp.task('scripts', function() {
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return gulp.src(['./lib/file3.js', './lib/file1.js', './lib/file2.js'])
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.pipe(concat({ path: 'new.js', stat: { mode: 0666 }}))
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.pipe(gulp.dest('./dist'));
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});
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```
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This will concat files into `./dist/new.js`.
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### Source maps
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Source maps can be generated by using [gulp-sourcemaps](https://www.npmjs.org/package/gulp-sourcemaps):
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```js
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var gulp = require('gulp');
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var concat = require('gulp-concat');
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var sourcemaps = require('gulp-sourcemaps');
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gulp.task('javascript', function() {
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return gulp.src('src/**/*.js')
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.pipe(sourcemaps.init())
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.pipe(concat('all.js'))
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.pipe(sourcemaps.write())
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.pipe(gulp.dest('dist'));
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});
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```
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