47 lines
1.5 KiB
JavaScript
47 lines
1.5 KiB
JavaScript
const moment = require('moment-timezone');
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/**
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* creates the url path for a post based on blog timezone and permalink pattern
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*/
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function replacePermalink(permalink, resource, timezone = 'UTC') {
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const output = permalink;
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const primaryTagFallback = 'all';
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const publishedAtMoment = moment.tz(resource.published_at || Date.now(), timezone);
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const permalinkLookUp = {
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year: function () {
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return publishedAtMoment.format('YYYY');
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},
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month: function () {
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return publishedAtMoment.format('MM');
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},
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day: function () {
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return publishedAtMoment.format('DD');
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},
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author: function () {
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return resource.primary_author.slug;
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},
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primary_author: function () {
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return resource.primary_author ? resource.primary_author.slug : primaryTagFallback;
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},
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primary_tag: function () {
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return resource.primary_tag ? resource.primary_tag.slug : primaryTagFallback;
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},
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slug: function () {
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return resource.slug;
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},
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id: function () {
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return resource.id;
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}
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};
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// replace tags like :slug or :year with actual values
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const permalinkKeys = Object.keys(permalinkLookUp);
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return output.replace(/(:[a-z_]+)/g, function (match) {
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if (permalinkKeys.includes(match.substr(1))) {
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return permalinkLookUp[match.substr(1)]();
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}
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});
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}
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module.exports = replacePermalink;
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