PNG  IHDR;IDATxܻn0K )(pA 7LeG{ §㻢|ذaÆ 6lذaÆ 6lذaÆ 6lom$^yذag5bÆ 6lذaÆ 6lذa{ 6lذaÆ `}HFkm,mӪôô! x|'ܢ˟;E:9&ᶒ}{v]n&6 h_tڠ͵-ҫZ;Z$.Pkž)!o>}leQfJTu іچ\X=8Rن4`Vwl>nG^is"ms$ui?wbs[m6K4O.4%/bC%t Mז -lG6mrz2s%9s@-k9=)kB5\+͂Zsٲ Rn~GRC wIcIn7jJhۛNCS|j08yiHKֶۛkɈ+;SzL/F*\Ԕ#"5m2[S=gnaPeғL lذaÆ 6l^ḵaÆ 6lذaÆ 6lذa; _ذaÆ 6lذaÆ 6lذaÆ RIENDB` 'use strict'; const { visit } = require('../xast.js'); /** * Plugins engine. * * @module plugins * * @param {Object} data input data * @param {Object} info extra information * @param {Array} plugins plugins object from config * @return {Object} output data */ module.exports = function (data, info, plugins) { // Try to group sequential elements of plugins array // to optimize ast traversing const groups = []; let prev; for (const plugin of plugins) { if (prev && plugin.type == prev[0].type) { prev.push(plugin); } else { prev = [plugin]; groups.push(prev); } } for (const group of groups) { switch (group[0].type) { case 'perItem': data = perItem(data, info, group); break; case 'perItemReverse': data = perItem(data, info, group, true); break; case 'full': data = full(data, info, group); break; case 'visitor': for (const plugin of group) { if (plugin.active) { const visitor = plugin.fn(data, plugin.params, info); visit(data, visitor); } } break; } } return data; }; /** * Direct or reverse per-item loop. * * @param {Object} data input data * @param {Object} info extra information * @param {Array} plugins plugins list to process * @param {boolean} [reverse] reverse pass? * @return {Object} output data */ function perItem(data, info, plugins, reverse) { function monkeys(items) { items.children = items.children.filter(function (item) { // reverse pass if (reverse && item.children) { monkeys(item); } // main filter var filter = true; for (var i = 0; filter && i < plugins.length; i++) { var plugin = plugins[i]; if (plugin.active && plugin.fn(item, plugin.params, info) === false) { filter = false; } } // direct pass if (!reverse && item.children) { monkeys(item); } return filter; }); return items; } return monkeys(data); } /** * "Full" plugins. * * @param {Object} data input data * @param {Object} info extra information * @param {Array} plugins plugins list to process * @return {Object} output data */ function full(data, info, plugins) { plugins.forEach(function (plugin) { if (plugin.active) { data = plugin.fn(data, plugin.params, info); } }); return data; }