mirror of
https://github.com/by-jp/www.byjp.me.git
synced 2025-08-09 18:06:07 +01:00
128 lines
No EOL
3.7 KiB
JavaScript
128 lines
No EOL
3.7 KiB
JavaScript
import camelcaseKeys from "camelcase-keys";
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import TOML from "@iarna/toml";
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import YAML from "yaml";
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/**
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* Get content
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* @access private
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* @param {object} properties - JF2 properties
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* @returns {string} Content
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*/
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const getContent = (properties) => {
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if (properties.content) {
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const content =
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properties.content.text || properties.content.html || properties.content;
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return `\n${content}\n`;
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} else {
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return "";
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}
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};
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/**
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* Get front matter
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* @access private
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* @param {object} properties - JF2 properties
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* @param {string} frontMatterFormat - Front matter format
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* @returns {string} Front matter in chosen format
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*/
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const getFrontMatter = (properties, frontMatterFormat) => {
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let delimiters;
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let frontMatter;
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/**
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* Go templates don’t accept hyphens in property names
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* and Hugo camelCases its predefined front matter keys
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* @see {@link https://gohugo.io/content-management/front-matter/}
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*/
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properties = camelcaseKeys(properties, { deep: true });
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/**
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* Replace Microformat properties with Hugo equivalents
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* @see {@link https://gohugo.io/content-management/front-matter/}
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*/
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properties = {
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date: properties.published,
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publishDate: properties.published,
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...(properties.postStatus === "draft" && { draft: true }),
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...(properties.updated && { lastmod: properties.updated }),
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...(properties.deleted && { expiryDate: properties.deleted }),
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...(properties.name && { title: properties.name }),
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...(properties.photo && {
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media: properties.photo.map(({url, alt}) => ({
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url: `/${url}`,
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alt,
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})),
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}),
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...properties,
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};
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delete properties.content; // Shown below front matter
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delete properties.deleted; // Use `expiryDate`
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delete properties.name; // Use `title`
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delete properties.postStatus; // Use `draft`
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delete properties.published; // Use `date`
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delete properties.slug; // File path dictates slug
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delete properties.type; // Not required
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delete properties.updated; // Use `lastmod`
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delete properties.url; // Not required
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delete properties.photo; // Was moved to media
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switch (frontMatterFormat) {
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case "json": {
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delimiters = ["", "\n"];
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frontMatter = JSON.stringify(properties, undefined, 2);
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break;
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}
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case "toml": {
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delimiters = ["+++\n", "+++\n"];
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frontMatter = TOML.stringify(properties);
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break;
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}
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default: {
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delimiters = ["---\n", "---\n"];
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frontMatter = YAML.stringify(properties, { lineWidth: 0 });
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break;
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}
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}
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return `${delimiters[0]}${frontMatter}${delimiters[1]}`;
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};
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/**
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* Get post template
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* @param {object} properties - JF2 properties
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* @param {string} [frontMatterFormat] - Front matter format
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* @returns {string} Rendered template
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*/
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export const getPostTemplate = (properties, frontMatterFormat = "yaml") => {
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const { content, tags } = replaceTags(getContent(properties));
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if (tags.length > 0) {
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properties.tags = tags;
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}
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const frontMatter = getFrontMatter(properties, frontMatterFormat);
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return frontMatter + content;
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};
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const hashtagFinder = /(?<=\s|^)#[a-z0-9]+\b/ig;
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const peopletagFinder = /(?<=\s|^)@[a-z]+\b/ig;
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/**
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* Replaces all #HashTags with [HashTags](/tags/hashtags) and returns a compact array of the tags used
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* @param {string} content - Post content
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* @returns {{content: string, tags: Array<string>}} The replaced content, and found tags
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*/
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const replaceTags = (content) => {
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let tags = [];
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content = content.replace(hashtagFinder, (tag) => {
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tag = tag.substring(1);
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tags.push(tag);
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return `[${tag}](/tags/${tag.toLowerCase()})`;
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}).replace(peopletagFinder, (tag) => {
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return `{{< friend "${tag.substring(1).toLowerCase()}" >}}`;
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});
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return { content, tags }
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} |