webu/gulpfile.js

IrChain JavaScript API, middleware to talk to a irchain node over RPC

#!/usr/bin/env node

'use strict';

var version = require('./lib/version.json');
var path = require('path');

var del = require('del');
var gulp = require('gulp');
var browserify = require('browserify');
var jshint = require('gulp-jshint');
var uglify = require('gulp-uglify');
var rename = require('gulp-rename');
var source = require('vinyl-source-stream');
var exorcist = require('exorcist');
var bower = require('bower');
var streamify = require('gulp-streamify');
var replace = require('gulp-replace');

var DEST = path.join(__dirname, 'dist/');
var src = 'index';
var dst = 'webu';
var lightDst = 'webu-light';

var browserifyOptions = {
    debug: true,
    insert_global_vars: false, // jshint ignore:line
    detectGlobals: false,
    bundleExternal: true,
};

gulp.task('version', function() {
    gulp.src(['./package.json']).
        pipe(replace(/\"version\"\: \"([\.0-9]*)\"/, '"version": "' +
            version.version + '"')).
        pipe(gulp.dest('./'));
    gulp.src(['./bower.json']).
        pipe(replace(/\"version\"\: \"([\.0-9]*)\"/, '"version": "' +
            version.version + '"')).
        pipe(gulp.dest('./'));
    gulp.src(['./package.js']).
        pipe(
            replace(/version\: \'([\.0-9]*)\'/, 'version: \'' +
                version.version +
                '\'')).
        pipe(gulp.dest('./'));
});

gulp.task('bower', ['version'], function(cb) {
    bower.commands.install().on('end', function(installed) {
        console.log(installed);
        cb();
    });
});

gulp.task('lint', [], function() {
    return gulp.src(['./*.js', './lib/*.js']).
        pipe(jshint()).
        pipe(jshint.reporter('default'));
});

gulp.task('clean', ['lint'], function(cb) {
    del([DEST]).then(cb.bind(null, null));
});

gulp.task('light', ['clean'], function() {
    return browserify(browserifyOptions).
        require('./' + src + '.js', {expose: 'webu'}).
        ignore('bignumber.js').
        require('./lib/utils/browser-bn.js', {expose: 'bignumber.js'}) // fake bignumber.js
        .add('./' + src + '.js').
        bundle().
        pipe(exorcist(path.join(DEST, lightDst + '.js.map'))).
        pipe(source(lightDst + '.js')).
        pipe(gulp.dest(DEST)).
        pipe(streamify(uglify())).
        pipe(rename(lightDst + '.min.js')).
        pipe(gulp.dest(DEST));
});

gulp.task('standalone', ['clean'], function() {
    return browserify(browserifyOptions).
        require('./' + src + '.js', {expose: 'webu'}).
        require('bignumber.js') // expose it to dapp users
        .add('./' + src + '.js').
        ignore('crypto').
        bundle().
        pipe(exorcist(path.join(DEST, dst + '.js.map'))).
        pipe(source(dst + '.js')).
        pipe(gulp.dest(DEST)).
        pipe(streamify(uglify())).
        pipe(rename(dst + '.min.js')).
        pipe(gulp.dest(DEST));
});

gulp.task('watch', function() {
    gulp.watch(['./lib/*.js'], ['lint', 'build']);
});

gulp.task('default', ['version', 'lint', 'clean', 'light', 'standalone']);