Gulp-diff-build NPM

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gulp-diff-build

gulp module to stream files only if target files are changed.

Getting Started

Install

$ npm install gulp-diff-build --save-dev

Usage

This task will keep a hash reference of target files and run defined tasks only if files changed. File hashes will be saved in .gulp/gulp-diff-build/hash.json. You might like to add .gulp to your .gitignore.

const diff = require('gulp-diff-build');

const SRC = 'src';
const DEST = 'dist';

gulp.task('default', () => {
    gulp.src(SRC)
        .pipe(diff())
        .pipe(gulp.dest(DEST));
});

Options

clear

Type: bool Default value: false

flush hash file when running with clear option value: true

clearAll

Type: bool Default value: false

flush all hash files when running with clearAll option value: true

dest

Type: string or array Default value: undefined

option to filter streaming files. This task will stream only files that match given paths into the gulp stream. If it is undefined, all files will be passed.

hash

Type: string Defualt value: 'hash'

options to define filename of hash references for multi tasking or multi cache control. files of hash references will be saved as .gulp/gulp-diff-build/[givenName].json.

Example

example of building sass.

gulp task watch all of sass src files and stream only main.sass and main-sp.sass into sass() task.

const diff = require('gulp-diff-build');

gulp.task('default', () => {
    gulp.src('src/sass/**/*.sass')
        .pipe(diff({
            clean: true,
            dest: [
                'src/sass/main.sass',
                'src/sass/main-sp.sass'
            ],
            hash: 'sass'
        }))
        .pipe(sass()),
        .pipe(gulp.dest('dest'));
});