mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-12-03 12:33:57 +01:00
98 lines
2.3 KiB
JavaScript
98 lines
2.3 KiB
JavaScript
"use strict";
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import crypto from "crypto";
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import htmlentities from "html-entities";
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import MarkdownIt from "markdown-it";
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import chroma from "chroma-js";
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import markdown_prism from "markdown-it-prism";
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import markdown_alerts from "markdown-it-github-alerts";
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const markdown = new MarkdownIt({
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xhtmlOut: true
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});
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markdown.use(markdown_prism, {
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init: (Prism) => {
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Prism.languages.weacmd = {
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"string": /\<[^>]+?\>/,
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"function": /^(?:\/\/\S+)\b/m,
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"number": /\b0x[\da-f]+\b|(?:\b\d+(?:\.\d*)?|\B\.\d+)(?:e[+-]?\d+)?%?/i,
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"operator": /[<>:=\[\]|{}]/,
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"keyword": /\b(?:[-+]?[zyx])\b/
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}
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}
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});
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markdown.use(markdown_alerts);
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function extract_title(line) {
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return line.match(/#+\s+(.+)\s*/)[1].replace(/^`*|`*$/g, "")
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}
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function make_section(acc, cat_current, cats) {
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const title = extract_title(acc[0]);
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return {
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category: cat_current,
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category_colour: cats.get(cat_current),
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category_colour_dark: chroma(cats.get(cat_current))
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.set("hsl.s", 0.8)
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.set("hsl.l", "*0.6")
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.css("hsl"),
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title: htmlentities.encode(title),
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slug: title.toLowerCase().replace(/[^a-z0-9-_\s]+/gi, "")
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.replace(/\s+/g, "-")
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.replace(/-.*$/, ""),
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content: markdown.render(acc.slice(1).join("\n"))
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.replace(/<(\/?)h4>/g, "<$1h3>")
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.replace(/<(\/?)h5>/g, "<$1h4>")
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};
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}
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export default function parse_sections(source) {
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const cats = new Map();
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source.match(/^##\s+.*$/gm)
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.map(extract_title)
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.map((item, i, all) => cats.set(
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item,
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chroma(`hsl(${i/all.length*(360-360/all.length)}, 60%, 90%)`).css("hsl")
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));
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const lines = source.split(/\r?\n/gi);
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const result = [];
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let acc = [];
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let cat_current = null;
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for(const line of lines) {
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if(line.startsWith(`#`)) {
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const heading_level = line.match(/^#+/)[0].length;
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// 1: Deal with the previous section
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if(acc.length > 0) {
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const heading_level_prev = acc[0].match(/^#+/)[0].length;
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if(heading_level_prev === 3 && acc.length > 0 && heading_level <= 3) {
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result.push(make_section(acc, cat_current, cats));
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}
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}
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// 2: Deal with the new line
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if(heading_level === 2)
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cat_current = extract_title(line);
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if(heading_level > 3)
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acc.push(line)
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else
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acc = [ line ];
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}
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else
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acc.push(line);
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}
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if(acc.length > 0)
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result.push(make_section(acc, cat_current, cats));
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return { sections: result, categories: cats };
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}
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