73 lines
2.2 KiB
JavaScript
73 lines
2.2 KiB
JavaScript
/*jshint latedef: nofunc */
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// This is used to copy a folder (the test/less/* files & sub-folders), adding a BOM to the start of each LESS and CSS file.
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// This is a based on the copySync method from fs-extra (https://github.com/jprichardson/node-fs-extra/).
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module.exports = function() {
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var path = require('path'),
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fs = require('fs');
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var BUF_LENGTH = 64 * 1024;
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var _buff = new Buffer(BUF_LENGTH);
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function copyFolderWithBom(src, dest) {
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var stats = fs.lstatSync(src);
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var destFolder = path.dirname(dest);
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var destFolderExists = fs.existsSync(destFolder);
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var performCopy = false;
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if (stats.isFile()) {
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if (!destFolderExists) {
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fs.mkdirSync(destFolder);
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}
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if (src.match(/\.(css|less)$/)) {
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copyFileAddingBomSync(src, dest);
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} else {
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copyFileSync(src, dest);
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}
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}
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else if (stats.isDirectory()) {
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if (!fs.existsSync(destFolder)) {
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fs.mkdirSync(destFolder);
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}
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if (!fs.existsSync(dest)) {
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fs.mkdirSync(dest);
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}
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fs.readdirSync(src).forEach(function(d) {
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if (d !== 'bom') {
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copyFolderWithBom(path.join(src, d), path.join(dest, d));
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}
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});
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}
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}
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function copyFileAddingBomSync(srcFile, destFile) {
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var contents = fs.readFileSync(srcFile, { encoding: 'utf8' });
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if (!contents.length || contents.charCodeAt(0) !== 0xFEFF) {
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contents = '\ufeff' + contents;
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}
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fs.writeFileSync(destFile, contents, { encoding: 'utf8' });
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}
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function copyFileSync(srcFile, destFile) {
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var fdr = fs.openSync(srcFile, 'r');
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var stat = fs.fstatSync(fdr);
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var fdw = fs.openSync(destFile, 'w', stat.mode);
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var bytesRead = 1;
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var pos = 0;
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while (bytesRead > 0) {
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bytesRead = fs.readSync(fdr, _buff, 0, BUF_LENGTH, pos)
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fs.writeSync(fdw, _buff, 0, bytesRead);
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pos += bytesRead;
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}
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fs.closeSync(fdr);
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fs.closeSync(fdw);
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}
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return {
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copyFolderWithBom: copyFolderWithBom
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};
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};
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