angular-cn/tools/build/linknodemodules.js

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var fs = require('fs');
var path = require('path');
module.exports = function(gulp, plugins, config) {
function symlink(relativeFolder, linkDir) {
var sourceDir = path.join('..', relativeFolder);
if (!fs.existsSync(linkDir)) {
console.log('creating link', linkDir, sourceDir);
try {
fs.symlinkSync(sourceDir, linkDir, 'dir');
}
catch(e) {
var sourceDir = path.join(config.dir, relativeFolder);
console.log('linking failed: trying to hard copy', linkDir, sourceDir);
copyRecursiveSync(sourceDir, linkDir);
}
}
}
return function() {
var nodeModulesDir = path.join(config.dir, 'node_modules');
if (!fs.existsSync(nodeModulesDir)) {
fs.mkdirSync(nodeModulesDir);
}
getSubdirs(config.dir).forEach(function(relativeFolder) {
if (relativeFolder === 'node_modules') {
return;
}
var linkDir = path.join(nodeModulesDir, relativeFolder);
symlink(relativeFolder, linkDir);
});
// Also symlink tools we release independently to NPM, so tests can require metadata, etc.
symlink('../../tools/metadata', path.join(nodeModulesDir, 'tsc-wrapped'));
};
};
function copyRecursiveSync (src, dest) {
if (fs.existsSync(src)) {
var stats = fs.statSync(src);
if (stats.isDirectory()) {
fs.mkdirSync(dest);
fs.readdirSync(src).forEach(function(childItemName) {
copyRecursiveSync(path.join(src, childItemName),
path.join(dest, childItemName));
});
} else {
fs.writeFileSync(dest, fs.readFileSync(src));
}
}
}
function getSubdirs(rootDir) {
return fs.readdirSync(rootDir).filter(function(file) {
if (file[0] === '.') {
return false;
}
var dirPath = path.join(rootDir, file);
return fs.statSync(dirPath).isDirectory();
});
}