VladPolskiy/leaflet
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Build sourcemaps via magic-string

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This commit is contained in:
Iván Sánchez Ortega
2015-08-10 15:04:21 +02:00
parent d17e53bbf6
commit 62f1cd2f58
3 changed files with 30 additions and 9 deletions
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1
.gitignore vendored
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@ -7,6 +7,7 @@ tmp/**/*
*.sublime-* *.sublime-*
_site _site
dist/*.js dist/*.js
dist/*.map
coverage/ coverage/
*.js.html *.js.html
index.html index.html

37
build/build.js
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@ -1,6 +1,7 @@
var fs = require('fs'), var fs = require('fs'),
UglifyJS = require('uglify-js'), UglifyJS = require('uglify-js'),
zlib = require('zlib'), zlib = require('zlib'),
MagicString = require('magic-string'),
deps = require('./deps.js').deps; deps = require('./deps.js').deps;
@ -69,12 +70,21 @@ function loadSilently(path) {
} }
} }
function combineFiles(files) { function bundleFiles(files, copy) {
var content = ''; var bundle = new MagicString.Bundle();
for (var i = 0, len = files.length; i < len; i++) { for (var i = 0, len = files.length; i < len; i++) {
content += fs.readFileSync(files[i], 'utf8') + '\n\n'; bundle.addSource({
filename: files[i],
content: new MagicString( fs.readFileSync(files[i], 'utf8') + '\n\n' )
});
} }
return content;
bundle.prepend(
copy + '(function (window, document, undefined) {'
).append('}(window, document));');
return bundle;
} }
function bytesToKB(bytes) { function bytesToKB(bytes) {
@ -85,15 +95,19 @@ exports.build = function (callback, version, compsBase32, buildName) {
var files = getFiles(compsBase32); var files = getFiles(compsBase32);
console.log('Concatenating and compressing ' + files.length + ' files...'); console.log('Bundling and compressing ' + files.length + ' files...');
var copy = fs.readFileSync('src/copyright.js', 'utf8').replace('{VERSION}', version), var copy = fs.readFileSync('src/copyright.js', 'utf8').replace('{VERSION}', version),
intro = '(function (window, document, undefined) {',
outro = '}(window, document));',
newSrc = copy + intro + combineFiles(files) + outro,
pathPart = 'dist/leaflet' + (buildName ? '-' + buildName : ''), filenamePart = 'leaflet' + (buildName ? '-' + buildName : ''),
pathPart = 'dist/' + filenamePart,
srcPath = pathPart + '-src.js', srcPath = pathPart + '-src.js',
mapPath = pathPart + '-src.map',
srcFilename = filenamePart + '-src.js',
mapFilename = filenamePart + '-src.map',
bundle = bundleFiles(files, copy),
newSrc = bundle.toString() + '\n//# sourceMappingURL=' + mapFilename,
oldSrc = loadSilently(srcPath), oldSrc = loadSilently(srcPath),
srcDelta = getSizeDelta(newSrc, oldSrc, true); srcDelta = getSizeDelta(newSrc, oldSrc, true);
@ -102,6 +116,11 @@ exports.build = function (callback, version, compsBase32, buildName) {
if (newSrc !== oldSrc) { if (newSrc !== oldSrc) {
fs.writeFileSync(srcPath, newSrc); fs.writeFileSync(srcPath, newSrc);
fs.writeFileSync(mapPath, bundle.generateMap({
file: srcFilename,
includeContent: true,
hires: false
}));
console.log('\tSaved to ' + srcPath); console.log('\tSaved to ' + srcPath);
} }

1
package.json
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@ -14,6 +14,7 @@
"karma-mocha": "~0.2.0", "karma-mocha": "~0.2.0",
"karma-phantomjs-launcher": "^0.2.0", "karma-phantomjs-launcher": "^0.2.0",
"karma-safari-launcher": "~0.1.1", "karma-safari-launcher": "~0.1.1",
"magic-string": "^0.6.4",
"mocha": "~2.2.5", "mocha": "~2.2.5",
"tin": "^0.5.0", "tin": "^0.5.0",
"uglify-js": "~2.4.23" "uglify-js": "~2.4.23"