96 lines
2.7 KiB
JavaScript
96 lines
2.7 KiB
JavaScript
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define(['./lessc'], function(less) {
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if (['node', 'rhino'].indexOf(less.mode) == -1) {
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throw new Error('Environment not supported by require-less builder: ' + less.mode);
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}
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var readFile = (function() {
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if (less.mode === 'node') {
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var fs = require.nodeRequire('fs');
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var path = require.nodeRequire('path');
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return function(pathname) {
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return fs.readFileSync(pathname, 'utf-8');
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};
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} else if (less.mode === 'rhino') {
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return function(pathname) {
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return readFile(pathname, 'UTF-8');
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};
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}
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}());
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var checkPath = (function() {
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if (less.mode === 'node') {
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var fs = require.nodeRequire('fs');
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var path = require.nodeRequire('path');
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return function(pathname, file) {
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try {
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pathname = path.join(pathname, file);
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fs.statSync(pathname);
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return pathname;
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} catch (e) {
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return null;
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}
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};
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} else if (less.mode === 'rhino') {
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return function(pathname, file) {
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var f = new java.io.File(pathname, file);
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if (f.isFile()) {
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return f.getPath();
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} else {
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return null;
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}
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};
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}
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}());
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less.Parser.importer = function (file, paths, callback, env) {
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var pathname, data;
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// TODO: Undo this at some point,
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// or use different approach.
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var paths = [].concat(paths);
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paths.push('.');
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for (var i = 0; i < paths.length; i++) {
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pathname = checkPath(paths[i], file);
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if (pathname != null) {
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break;
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}
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}
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paths = paths.slice(0, paths.length - 1);
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if (!pathname) {
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if (typeof(env.errback) === "function") {
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env.errback(file, paths, callback);
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} else {
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callback({ type: 'File', message: "'" + file + "' wasn't found.\n" });
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}
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return;
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}
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function parseFile(e, data) {
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if (e) return callback(e);
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env.contents = env.contents || {};
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env.contents[pathname] = data; // Updating top importing parser content cache.
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new(less.Parser)({
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paths: [path.dirname(pathname)].concat(paths),
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filename: pathname,
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contents: env.contents,
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files: env.files,
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syncImport: env.syncImport,
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dumpLineNumbers: env.dumpLineNumbers
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}).parse(data, function (e, root) {
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callback(e, root, pathname);
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});
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};
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try {
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readFile(pathname);
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parseFile(null, data);
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} catch (e) {
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parseFile(e);
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}
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}
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return less;
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});
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