55 lines
1.6 KiB
JavaScript
55 lines
1.6 KiB
JavaScript
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var path = require("path"),
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PromiseConstructor = typeof Promise === 'undefined' ? require('promise') : Promise,
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AbstractPluginLoader = require("../less/environment/abstract-plugin-loader.js");
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/**
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* Node Plugin Loader
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*/
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var PluginLoader = function(less) {
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this.less = less;
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this.require = require;
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this.requireRelative = function(prefix) {
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prefix = path.dirname(prefix);
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return function(id) {
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var str = id.substr(0, 2);
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if (str === '..' || str === './') {
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return require(path.join(prefix, id));
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}
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else {
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return require(id);
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}
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};
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};
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};
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PluginLoader.prototype = new AbstractPluginLoader();
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PluginLoader.prototype.loadPlugin = function(filename, basePath, context, environment, fileManager) {
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var self = this;
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var prefix = filename.slice(0, 1);
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var explicit = prefix === "." || prefix === "/" || filename.slice(-3).toLowerCase() === ".js";
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if (!explicit) {
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context.prefixes = ['less-plugin-', ''];
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}
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return new PromiseConstructor(function(fulfill, reject) {
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fileManager.loadFile(filename, basePath, context, environment).then(
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function(data) {
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try {
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self.require = self.requireRelative(data.filename);
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fulfill(data);
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}
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catch (e) {
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reject(e);
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}
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}
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).catch(function(err) {
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reject(err);
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});
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});
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};
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module.exports = PluginLoader;
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