var gulp = require('gulp');
var revision = require('gulp-revision');
var path = require('path');
var crypto = require('crypto');
var customHasher = function (file) {
return crypto.createHash('md5').update(file.contents).digest('hex');
};
var customTransformer = function (file, hash) {
var extension = path.extname(file.path);
return path.basename(file.path, extension) + '-' + hash + extension;
};
var revisionAssets = function revisionAssets () {
return gulp.src('source/assets/*.*')
.pipe(revision({
hasher: customHasher,
transformer: customTransformer
})
.pipe(gulp.dest('destination/assets/'))
.pipe(revision.manifest({
path: 'assetRevisionsMap.json'
}))
.pipe(gulp.dest('destination/assets/'));
};
gulp.task('default', revisionAssets);