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#!/usr/bin/env node
'use strict';
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 envify = require('envify/custom');
var unreach = require('unreachable-branch-transform');
var source = require('vinyl-source-stream');
var exorcist = require('exorcist');
var bower = require('bower');
var DEST = './dist/';
gulp.task('bower', 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 ], cb);
});
gulp.task('build', ['clean'], function () {
return browserify({
debug: true,
insert_global_vars: false,
detectGlobals: false,
bundleExternal: false
})
.add('./')
.require('./index.js', {expose: 'web3'})
.transform('envify', {
NODE_ENV: 'build'
})
.transform('unreachable-branch-transform')
.transform('uglifyify', {
mangle: false,
compress: {
dead_code: false,
conditionals: true,
unused: false,
hoist_funs: true,
hoist_vars: true,
negate_iife: false
},
beautify: false,
warnings: true,
})
.bundle()
.pipe(exorcist(path.join( DEST, 'ethereum.js.map')))
.pipe(source('ethereum.js'))
.pipe(gulp.dest( DEST ));
});
gulp.task('uglify', ['build'], function(){
return gulp.src( DEST + 'ethereum.js')
.pipe(uglify())
.pipe(rename('ethereum.min.js'))
.pipe(gulp.dest( DEST ));
});
gulp.task('watch', function() {
gulp.watch(['./lib/*.js'], ['lint', 'build', 'uglify']);
});
gulp.task('default', ['bower', 'lint', 'build', 'uglify']);
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