Created
May 10, 2017 13:57
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Gulpfile.js CSS Hashing
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var gulp = require('gulp'); | |
var clean = require('gulp-clean'); | |
var rev = require('gulp-rev'); | |
var inject = require('gulp-inject'); | |
var fs = require('fs'); | |
var jsonCss; | |
gulp.task('default', ['delete']); | |
gulp.task('cssHash', function() { | |
return gulp.src('./css/styles.css') | |
.pipe(gulp.dest('./css/dist')) | |
.pipe(rev()) | |
.pipe(gulp.dest('./css/dist')) | |
.pipe(rev.manifest()) | |
.pipe(gulp.dest('./css/dist/')); | |
}); | |
gulp.task('inject', ['cssHash'], function() { | |
jsonCss = JSON.parse(fs.readFileSync('./css/dist/rev-manifest.json')); | |
var target = gulp.src('./index.html'); | |
var source = gulp.src('./css/dist/' + jsonCss['styles.css'], {read: false}); | |
return target.pipe(inject(source, {relative: true})) | |
.pipe(gulp.dest('')); | |
}); | |
gulp.task('delete', ['inject'], function () { | |
return gulp.src(['css/dist/*.css', '!css/dist/' + jsonCss['styles.css']]) | |
.pipe(clean()); | |
}); | |
gulp.task('watch', function() { | |
gulp.watch('css/styles.css', ['delete']); | |
}); |
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