101 lines
2.4 KiB
JavaScript
101 lines
2.4 KiB
JavaScript
import dayjs from "dayjs";
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import utc from "dayjs/plugin/utc.js";
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import advancedFormat from "dayjs/plugin/advancedFormat.js";
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import pluralizeBase from "pluralize";
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export const keys = Object.keys;
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export const values = Object.values;
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export const entries = Object.entries;
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dayjs.extend(utc);
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dayjs.extend(advancedFormat);
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export const formatDate = (date, format) => dayjs.utc(date).format(format);
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export const organizeByDate = (collection) => {
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const collectionByDate = {};
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collection.forEach((item) => {
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const year = formatDate(item.date, "YYYY");
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if (!collectionByDate[year]) {
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return (collectionByDate[year] = [item]);
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}
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collectionByDate[year].push(item);
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});
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return collectionByDate;
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};
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export const transformByDate = (collection) => {
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const collectionByDate = {};
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collection.forEach((item) => {
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const year = formatDate(item.date, "YYYY");
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if (!collectionByDate[year]) {
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return (collectionByDate[year] = { value: year, data: [item] });
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}
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collectionByDate[year].data.push(item);
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});
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return collectionByDate;
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};
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export const allTagCounts = (collection, ignore = ["post"]) => {
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if (!collection.length) {
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throw new Error("Invalid collection, no items");
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}
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const tagCounts = new Map();
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for (const item of collection) {
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const tags = item.data.tags;
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tags?.forEach((tag) => tagCounts.set(tag, (tagCounts.get(tag) || 0) + 1));
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}
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ignore.forEach((tag) => tagCounts.delete(tag));
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const tagArray = Array.from(tagCounts.entries())
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.map(([tag, count]) => ({
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tag,
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count,
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}))
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.sort((a, b) => b.count - a.count);
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return tagArray;
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};
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export const filter = (collection, filters = []) => {
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return collection.filter((item) => !filters.includes(item));
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};
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export const pluralize = (string, count = 0) => {
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return pluralizeBase(string, count);
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};
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export const filterCatalogueTags = (tags) => {
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// In the case of catalogue items, the 0-index is "catalogue"
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// and the 1-index is the catalogueType. We don't need to
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// show those in the front-end.
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return filter(tags, [tags[0], tags[1]]);
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};
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export const limit = (collection, limit = 5) => collection.slice(0, limit);
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export const filterFavourites = (collection) => {
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return collection.filter((item) => item.data.favourite);
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};
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export const isOld = (dateArg) => {
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const date = dayjs(dateArg);
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const now = dayjs();
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const diffInYears = now.diff(date, "years");
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return diffInYears >= 2;
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};
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