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renderer.js
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renderer.js
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'use strict';
const stylus = require('stylus');
function getProperty(obj, name) {
name = name.replace(/\[(\w+)\]/g, '.$1').replace(/^\./, '');
const split = name.split('.');
let key = split.shift();
if (!Object.prototype.hasOwnProperty.call(obj, key)) return '';
let result = obj[key];
const len = split.length;
if (!len) {
if (result === 0) return result;
return result || '';
}
if (typeof result !== 'object') return '';
for (let i = 0; i < len; i++) {
key = split[i];
if (!Object.prototype.hasOwnProperty.call(result, key)) return '';
result = result[split[i]];
if (typeof result !== 'object') return result;
}
return result;
}
function applyPlugins(stylusConfig, plugins) {
plugins.forEach(plugin => {
const factoryFn = require(plugin.trim());
stylusConfig.use(factoryFn());
});
}
function stylusFn(data, options, callback) {
const config = this.config.stylus || {};
const self = this;
const plugins = ['nib'].concat(config.plugins || []);
function defineConfig(style) {
style.define('hexo-config', data => {
return getProperty(self.theme.config, data.val);
});
}
const stylusConfig = stylus(data.text);
applyPlugins(stylusConfig, plugins);
stylusConfig
.use(defineConfig)
.use(style => this.execFilterSync('stylus:renderer', style, {context: this}))
.set('filename', data.path)
.set('sourcemap', config.sourcemaps)
.set('compress', config.compress)
.set('include css', true)
.render(callback);
}
stylusFn.disableNunjucks = true;
module.exports = stylusFn;