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ef4e4e8cc0
refs: bf0823c9a2
- continuing the work of splitting up the theme service into logical components
69 lines
2.0 KiB
JavaScript
69 lines
2.0 KiB
JavaScript
const _ = require('lodash');
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module.exports.findKey = function findKey(key /* ...objects... */) {
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let objects = Array.prototype.slice.call(arguments, 1);
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return _.reduceRight(objects, function (result, object) {
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if (object && _.has(object, key) && !_.isEmpty(object[key])) {
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result = object[key];
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}
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return result;
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}, null);
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};
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function _urlClean(url) {
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// Strips anchors and leading and trailing slashes
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return url.replace(/#.*?$/, '').replace(/^\/|\/$/g, '');
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}
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// strips trailing slashes and compares urls
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function _urlMatch(href, location) {
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if (!location) {
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return false;
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}
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const strippedHref = _urlClean(href);
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const strippedLocation = _urlClean(location);
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return strippedHref === strippedLocation;
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}
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// We want to check if the first part of the current url is a match for href
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function _urlParentMatch(href, location) {
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if (!location) {
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return false;
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}
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let parent = false;
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let locParts = _urlClean(location).split('/');
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let hrefParts = _urlClean(href).split('/');
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if (locParts.length <= hrefParts.length) {
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return false;
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}
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for (let i = 0; i < hrefParts.length; i += 1) {
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parent = hrefParts[i] === locParts[i];
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}
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return parent;
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}
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module.exports.buildLinkClasses = function buildLinkClasses(siteUrl, href, options) {
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let relativeHref = href.replace(siteUrl, '');
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let location = options.data.root.relativeUrl;
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let classes = options.hash.class ? options.hash.class.toString().split(' ') : [];
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let activeClass = _.has(options.hash, 'activeClass') ? options.hash.activeClass : 'nav-current';
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let parentActiveClass = _.has(options.hash, 'parentActiveClass') ? options.hash.parentActiveClass : `${activeClass || 'nav-current'}-parent`;
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// Calculate dynamic properties
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if (_urlMatch(relativeHref, location) && activeClass) {
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classes.push(activeClass);
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} else if (_urlParentMatch(relativeHref, location) && parentActiveClass) {
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classes.push(parentActiveClass);
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}
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return classes;
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};
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