mozjexl/gulpfile.js

Javascript Expression Language: Powerful context-based expression parser and evaluator

/*
 * Jexl
 * Copyright (c) 2015 TechnologyAdvice
 */

var browserify = require('browserify'),
	gulp = require('gulp'),
	transform = require('vinyl-transform'),
	uglify = require('gulp-uglify'),
	rename = require('gulp-rename'),
	path = require('path'),
	coverageEnforcer = require("gulp-istanbul-enforcer"),
	istanbul = require('gulp-istanbul'),
	mocha = require('gulp-mocha');

gulp.task('dist', function() {
	// transform regular node stream to gulp (buffered vinyl) stream
	var browserified = transform(function(filename) {
		var b = browserify({
			paths: [path.dirname(filename)]
		});
		b.require(path.basename(filename, '.js'));
		return b.bundle();
	});
	return gulp.src('./lib/Jexl.js')
		.pipe(browserified)
		.pipe(uglify())
		.pipe(rename({
			basename: 'mozjexl',
			extname: '.min.js'
		}))
		.pipe(gulp.dest('./dist/'));
});

gulp.task('coverage-test', function(cb) {
	var passThresholds = {
		thresholds : {
			statements : 95,
			branches : 88,
			lines : 95,
			functions : 92
		},
		coverageDirectory : 'coverage',
		rootDirectory : ''
	};
	gulp.src(['test/**/*.js'])
		.pipe(mocha())
		.on('end', function() {
			gulp.src(['lib/**/*.js'])
				.pipe(istanbul({includeUntested: true}))
				.pipe(istanbul.hookRequire())
				.on('finish', function() {
					gulp.src(['test/**/*.js'])
						.pipe(mocha({reporter: 'min'}))
						.pipe(istanbul.writeReports({
							reporters: ['json', 'lcovonly']
						}))
						.on('finish', function() {
							gulp.src('.')
								.pipe(coverageEnforcer(passThresholds))
								.on('end', cb);
						});
				});
		});
});

gulp.task('default', ['dist']);