This repository has been archived on 2023-02-21. You can view files and clone it, but cannot push or open issues or pull requests.
univnautes-old/virtualenv/pffedportal/media/CloudMade-Leaflet/build/build.js

156 lines
3.3 KiB
JavaScript

var fs = require('fs'),
jshint = require('jshint'),
UglifyJS = require('uglify-js'),
deps = require('./deps.js').deps,
hintrc = require('./hintrc.js').config;
function lintFiles(files) {
var errorsFound = 0,
i, j, len, len2, src, errors, e;
for (i = 0, len = files.length; i < len; i++) {
jshint.JSHINT(fs.readFileSync(files[i], 'utf8'), hintrc);
errors = jshint.JSHINT.errors;
for (j = 0, len2 = errors.length; j < len2; j++) {
e = errors[j];
console.log(files[i] + '\tline ' + e.line + '\tcol ' + e.character + '\t ' + e.reason);
}
errorsFound += len2;
}
return errorsFound;
}
function getFiles(compsBase32) {
var memo = {},
comps;
if (compsBase32) {
comps = parseInt(compsBase32, 32).toString(2).split('');
console.log('Managing dependencies...')
}
function addFiles(srcs) {
for (var j = 0, len = srcs.length; j < len; j++) {
memo[srcs[j]] = true;
}
}
for (var i in deps) {
if (comps) {
if (parseInt(comps.pop(), 2) === 1) {
console.log('\t* ' + i);
addFiles(deps[i].src);
} else {
console.log('\t ' + i);
}
} else {
addFiles(deps[i].src);
}
}
var files = [];
for (var src in memo) {
files.push('src/' + src);
}
return files;
}
exports.lint = function () {
var files = getFiles();
console.log('Checking for JS errors...');
var errorsFound = lintFiles(files);
if (errorsFound > 0) {
console.log(errorsFound + ' error(s) found.\n');
fail();
} else {
console.log('\tCheck passed');
}
};
function getSizeDelta(newContent, oldContent) {
if (!oldContent) {
return 'new';
}
var newLen = newContent.replace(/\r\n?/g, '\n').length,
oldLen = oldContent.replace(/\r\n?/g, '\n').length,
delta = newLen - oldLen;
return (delta >= 0 ? '+' : '') + delta;
}
function loadSilently(path) {
try {
return fs.readFileSync(path, 'utf8');
} catch (e) {
return null;
}
}
function combineFiles(files) {
var content = '';
for (var i = 0, len = files.length; i < len; i++) {
content += fs.readFileSync(files[i], 'utf8') + '\n\n';
}
return content;
}
exports.build = function (compsBase32, buildName) {
var files = getFiles(compsBase32);
console.log('Concatenating ' + files.length + ' files...');
var copy = fs.readFileSync('src/copyright.js', 'utf8'),
intro = '(function (window, document, undefined) {',
outro = '}(this, document));',
newSrc = copy + intro + combineFiles(files) + outro,
pathPart = 'dist/leaflet' + (buildName ? '-' + buildName : ''),
srcPath = pathPart + '-src.js',
oldSrc = loadSilently(srcPath),
srcDelta = getSizeDelta(newSrc, oldSrc);
console.log('\tUncompressed size: ' + newSrc.length + ' bytes (' + srcDelta + ')');
if (newSrc === oldSrc) {
console.log('\tNo changes');
} else {
fs.writeFileSync(srcPath, newSrc);
console.log('\tSaved to ' + srcPath);
}
console.log('Compressing...');
var path = pathPart + '.js',
oldCompressed = loadSilently(path),
newCompressed = copy + UglifyJS.minify(newSrc, {
warnings: true,
fromString: true
}).code,
delta = getSizeDelta(newCompressed, oldCompressed);
console.log('\tCompressed size: ' + newCompressed.length + ' bytes (' + delta + ')');
if (newCompressed === oldCompressed) {
console.log('\tNo changes');
} else {
fs.writeFileSync(path, newCompressed);
console.log('\tSaved to ' + path);
}
};