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Refactor build process #1613

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merged 1 commit into from
May 26, 2015
Merged

Refactor build process #1613

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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -1,2 +1,3 @@
bower_components
node_modules
dist
127 changes: 70 additions & 57 deletions gulpfile.js
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@@ -1,59 +1,71 @@
/**
* @license
* Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
* This code may only be used under the BSD style license found at http:polymer.github.io/LICENSE.txt
* The complete set of authors may be found at http:polymer.github.io/AUTHORS.txt
* The complete set of contributors may be found at http:polymer.github.io/CONTRIBUTORS.txt
* Code distributed by Google as part of the polymer project is also
* subject to an additional IP rights grant found at http:polymer.github.io/PATENTS.txt
*/

// jshint node: true
'use strict';

var gulp = require('gulp');
var audit = require('gulp-audit');
var replace = require('gulp-replace');
var shell = require('gulp-shell');
var rename = require('gulp-rename');
var vulcanize = require('gulp-vulcanize');
var runseq = require('run-sequence');
var lazypipe = require('lazypipe');
var polyclean = require('polyclean');
var del = require('del');

var fs = require('fs');
var path = require('path');

var polyclean = require('polyclean');

function vulcanize(filename, dstdir, excludes) {
var cmd = path.join('node_modules', '.bin', 'vulcanize');
if (excludes && excludes.length > 0) {
excludes.forEach(function(exclude) {
cmd = cmd + ' --exclude ' + exclude;
});
}
cmd = cmd + ' --strip-comments';
cmd = cmd + ' ' + filename + ' > ' + path.join(dstdir, filename);
return cmd;
}

var micro = "polymer-micro.html";
var mini = "polymer-mini.html";
var max = "polymer.html";
var workdir = 'dist';

gulp.task('micro', ['mkdir'], shell.task(vulcanize(micro, workdir)));
gulp.task('mini', ['mkdir'], shell.task(vulcanize(mini, workdir, [micro])));
gulp.task('max', ['mkdir'], shell.task(vulcanize(max, workdir, [mini, micro])));

gulp.task('strip', ['micro', 'mini', 'max'], function() {
return gulp.src(['dist/' + micro, 'dist/' + mini, 'dist/' + max])
.pipe(polyclean.cleanJsComments())
// Collapse newlines
.pipe(replace(/\n\s*\n/g, '\n'))
// Reduce script tags
.pipe(replace(/<\/script>\s*<script>/g, '\n\n'))
.pipe(replace('<html><head><meta charset="UTF-8">', ''))
.pipe(replace('</head><body>\n</body></html>', ''))
// Collapse leading spaces+tabs.
.pipe(replace(/^[ \t]+/gm, ''))
// put the out
.pipe(gulp.dest('dist'))
;
});
var distMicro = path.join(workdir, micro);
var distMini = path.join(workdir, mini);
var distMax = path.join(workdir, max);

var cleanupPipe = lazypipe()
// Reduce script tags
.pipe(replace, /<\/script>\s*<script>/g, '\n\n')
// remove leading whitespace and comments
.pipe(polyclean.leftAlignJs)
// remove html wrapper
.pipe(replace, '<html><head><meta charset="UTF-8">', '')
.pipe(replace, '</head><body></body></html>', '')
;

function vulcanizeWithExcludes(target, excludes) {
return function() {
return gulp.src(target)
.pipe(vulcanize({
stripComments: true,
excludes: excludes
}))
.pipe(cleanupPipe())
.pipe(gulp.dest(workdir));
};
}

gulp.task('micro', ['mkdir'], vulcanizeWithExcludes(micro));
gulp.task('mini', ['mkdir'], vulcanizeWithExcludes(mini, [micro]));
gulp.task('max', ['mkdir'], vulcanizeWithExcludes(max, [mini, micro]));

gulp.task('clean', function(cb) {
del(workdir, cb);
});

gulp.task('mkdir', ['clean'], function(cb) {
fs.exists(workdir, function(exists) {
exists ? cb() : fs.mkdir(workdir, null, cb);
return exists ? cb() : fs.mkdir(workdir, null, cb);
});
});

Expand All @@ -63,39 +75,37 @@ gulp.task('copy-bower-json', ['mkdir'], function() {
});

// Default Task
gulp.task('default', ['strip', 'copy-bower-json']);
gulp.task('default', ['micro', 'mini', 'max', 'copy-bower-json']);

// switch src and build for testing
gulp.task('save-src', function() {
return gulp.src([mini, micro, max])
.pipe(rename(function (p) {
p.extname += '.bak';
}))
.pipe(gulp.dest('.'))
;
.pipe(rename(function(p) {
p.extname += '.bak';
}))
.pipe(gulp.dest('.'));
});

gulp.task('restore-src', function() {
return gulp.src([mini + '.bak', micro + '.bak', max + '.bak'])
.pipe(rename(function (p) {
p.extname = '';
}))
.pipe(gulp.dest('.'))
;
.pipe(rename(function(p) {
p.extname = '';
}))
.pipe(gulp.dest('.'));
});

gulp.task('cleanup-switch', function(cb) {
del([mini + '.bak', micro + '.bak', max + '.bak'], cb);
});

gulp.task('switch-build', function() {
return gulp.src(['dist/' + mini, 'dist/' + micro, 'dist/' + max])
.pipe(gulp.dest('.'));
return gulp.src([distMini, distMicro, distMax])
.pipe(gulp.dest('.'));
});

gulp.task('restore-build', function() {
return gulp.src([mini, micro, max])
.pipe(gulp.dest('dist'));
.pipe(gulp.dest('dist'));
});

gulp.task('switch', ['default'], function(cb) {
Expand All @@ -107,12 +117,15 @@ gulp.task('restore', ['clean'], function(cb) {
});

gulp.task('audit', function() {
return gulp.src(['dist/' + mini, 'dist/' + micro, 'dist/' + max])
.pipe(audit('build.log', {
repos: [
'.'
]
}))
.pipe(gulp.dest('dist'))
;
return gulp.src([distMini, distMicro, distMax])
.pipe(audit('build.log', {
repos: [
'.'
]
}))
.pipe(gulp.dest('dist'));
});

gulp.task('release', function(cb) {
runseq('default', 'audit', cb);
});
8 changes: 4 additions & 4 deletions package.json
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Expand Up @@ -13,10 +13,10 @@
"gulp-audit": "^1.0.0",
"gulp-rename": "^1.2.2",
"gulp-replace": "^0.5.3",
"gulp-shell": "^0.4.0",
"polyclean": "0.0.1",
"run-sequence": "^1.1.0",
"vulcanize": "^1.4.0"
"gulp-vulcanize": "^6.0.0",
"lazypipe": "^0.2.3",
"polyclean": "^1.1.0",
"run-sequence": "^1.1.0"
},
"scripts": {
"build": "node_modules/gulp/bin/gulp.js",
Expand Down