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Gruntfile.js
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Gruntfile.js
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/**
*
* grunt lint Lint all source javascript
* grunt clean Clean dist folder
* grunt build Build dist javascript
* grunt test Test dist javascript
* grunt default Lint, Build then Test
*
*/
module.exports = function(grunt) {
grunt.initConfig({
jshint: {
options: {
asi: true,
curly: false,
eqeqeq: true,
esnext: true,
expr: true,
forin: true,
freeze: true,
immed: true,
indent: 2,
iterator: true,
noarg: true,
node: true,
noempty: true,
nonstandard: true,
trailing: true,
undef: true,
unused: 'vars',
},
all: ['src/**/*.js']
},
clean: {
build: ['dist/*']
},
smash: {
build: {
files: [{
src: 'src/Immutable.js',
dest: 'dist/immutable'
}]
}
},
copy: {
build: {
files: [{
src: 'type-definitions/Immutable.d.ts',
dest: 'dist/immutable.d.ts'
}]
}
},
jest: {
options: {
testPathPattern: /.*/
}
},
stats: {
build: {}
}
});
var fs = require('fs');
var smash = require('smash');
var traceur = require('traceur');
var uglify = require('uglify-js');
grunt.registerMultiTask('smash', function () {
var done = this.async();
this.files.map(function (file) {
var unTransformed = '';
smash(file.src).on('data', function (data) {
unTransformed += data;
}).on('end', function () {
var transformed = traceur.compile(unTransformed, {
filename: file.src[0]
});
if (transformed.error) {
throw transformed.error;
}
var transformed = fs.readFileSync('resources/traceur-runtime.js', {encoding: 'utf8'}) + transformed.js;
var wrapped = fs.readFileSync('resources/universal-module.js', {encoding: 'utf8'})
.replace('%MODULE%', transformed);
var copyright = fs.readFileSync('resources/COPYRIGHT');
fs.writeFileSync(file.dest + '.js', copyright + wrapped);
var result = uglify.minify(wrapped, {
fromString: true,
mangle: {
toplevel: true
},
compress: {
comparisons: true,
pure_getters: true,
unsafe: true
},
output: {
max_line_len: 2048,
},
reserved: ['module', 'define', 'Immutable']
});
fs.writeFileSync(file.dest + '.min.js', copyright + result.code);
done();
});
});
});
var exec = require('child_process').exec;
grunt.registerMultiTask('stats', function () {
var done = this.async();
exec('cat dist/immutable.js | wc -c', function (error, out) {
if (error) throw new Error(error);
var rawBytes = parseInt(out);
console.log(' Concatenated: ' +
(rawBytes + ' bytes').cyan);
exec('gzip -c dist/immutable.js | wc -c', function (error, out) {
if (error) throw new Error(error);
var zippedBytes = parseInt(out);
var pctOfA = Math.floor(10000 * (1 - (zippedBytes / rawBytes))) / 100;
console.log(' Compressed: ' +
(zippedBytes + ' bytes').cyan + ' ' +
(pctOfA + '%').green);
exec('cat dist/immutable.min.js | wc -c', function (error, out) {
if (error) throw new Error(error);
var minifiedBytes = parseInt(out);
var pctOfA = Math.floor(10000 * (1 - (minifiedBytes / rawBytes))) / 100;
console.log(' Minified: ' +
(minifiedBytes + ' bytes').cyan + ' ' +
(pctOfA + '%').green);
exec('gzip -c dist/immutable.min.js | wc -c', function (error, out) {
if (error) throw new Error(error);
var zippedMinBytes = parseInt(out);
var pctOfA = Math.floor(10000 * (1 - (zippedMinBytes / rawBytes))) / 100;
console.log(' Min\'d & Cmprs\'d: ' +
(zippedMinBytes + ' bytes').cyan + ' ' +
(pctOfA + '%').green);
done();
})
})
})
})
});
grunt.loadNpmTasks('grunt-contrib-jshint');
grunt.loadNpmTasks('grunt-contrib-copy');
grunt.loadNpmTasks('grunt-contrib-clean');
grunt.loadNpmTasks('grunt-jest');
grunt.loadNpmTasks('grunt-release');
grunt.registerTask('lint', 'Lint all source javascript', ['jshint']);
grunt.registerTask('build', 'Build distributed javascript', ['clean', 'smash', 'copy']);
grunt.registerTask('test', 'Test built javascript', ['jest']);
grunt.registerTask('default', 'Lint, build and test.', ['lint', 'build', 'stats', 'test']);
}