2021-01-29 06:15:23 +00:00
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const fs = require("fs");
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const path = require("path");
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2021-01-28 23:07:57 +00:00
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const TOKENS_EXT = /\.tokens\.json$/;
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2021-01-29 00:24:22 +00:00
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// https://developer.mozilla.org/en-US/docs/Web/Media/Formats
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const IMG_EXT = /\.(apng|avif|gif|jpg|jpeg|jfif|pjpeg|pjp|png|svg|webp)$/;
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const AUDIO_EXT = /\.(mp3|wav|aac|aacp|mpeg|off|flac)$/;
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const VIDEO_EXT = /\.(mp4|webm)$/;
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module.exports = (options) => (file, cb) => {
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2021-01-29 06:15:23 +00:00
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if (!TOKENS_EXT.test(file.path)) return cb(null);
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2021-01-29 00:24:22 +00:00
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2021-01-29 06:15:23 +00:00
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// TODO: meta: language, description, canonical
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2021-01-28 23:07:57 +00:00
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file.contents = Buffer.from(`<!DOCTYPE html>
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<html>
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<meta charset="utf-8">
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2021-01-28 23:13:02 +00:00
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<meta name="viewport" content="width=device-width,initial-scale=1">${
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2021-01-29 00:24:22 +00:00
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options.css
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2021-01-29 06:15:23 +00:00
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? `\n<meta name="color-scheme" content="dark light">\n<style>${fs.readFileSync(
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path.resolve(__dirname, "./gmi.min.css"),
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"utf8"
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)}</style>`
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2021-01-28 23:13:02 +00:00
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: ""
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}
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2021-01-28 23:07:57 +00:00
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<body>
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2021-01-29 00:24:22 +00:00
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${toHTML(JSON.parse(file.contents.toString("utf8")), options)}
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2021-01-28 23:07:57 +00:00
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</body>
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</html>
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`);
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2021-01-29 00:24:22 +00:00
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file.path = file.path.replace(TOKENS_EXT, ".html");
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2021-01-29 06:15:23 +00:00
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if (!options.silent) console.log(file.path);
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2021-01-28 23:07:57 +00:00
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return cb(null, file);
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};
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2021-01-29 00:24:22 +00:00
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function toHTML(tokens, options) {
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2021-01-28 23:13:02 +00:00
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let body = [];
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2021-01-28 23:07:57 +00:00
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2021-01-28 23:13:02 +00:00
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let cursor = tokens.shift();
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2021-01-28 23:07:57 +00:00
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while (tokens.length) {
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if (cursor.pre) {
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2021-01-28 23:13:02 +00:00
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body.push(`<pre${cursor.alt ? `title="${cursor.alt}"` : ""}>`);
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const closing = tokens.findIndex((token) => token.pre);
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body = body.concat(tokens.slice(0, closing).map(({ text }) => text));
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body.push("</pre>");
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tokens = tokens.slice(closing + 1);
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2021-01-28 23:07:57 +00:00
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}
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if (cursor.li) {
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2021-01-28 23:13:02 +00:00
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body.push(`<ul>`);
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const closing = tokens.findIndex((token) => !token.li);
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body = body.concat(tokens.slice(0, closing).map(line));
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body.push("</ul>");
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tokens = tokens.slice(closing + 1);
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2021-01-28 23:07:57 +00:00
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}
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2021-01-29 00:24:22 +00:00
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body.push(line(cursor, options));
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2021-01-28 23:13:02 +00:00
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cursor = tokens.shift();
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2021-01-28 23:07:57 +00:00
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}
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2021-01-28 23:13:02 +00:00
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return body.join("\n");
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2021-01-28 23:07:57 +00:00
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}
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2021-01-29 00:24:22 +00:00
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function line(
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{ text, href, title, pre, alt, h1, h2, h3, li, quote },
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{ inline }
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) {
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2021-01-28 23:07:57 +00:00
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if (text) return `<p>${text}</p>`;
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2021-01-29 00:24:22 +00:00
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if (href) {
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if (inline.images && IMG_EXT.test(href))
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return `<img src="${href}" title="${title}"/>`;
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if (inline.audio && AUDIO_EXT.test(href))
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return `<audio controls src="${href}" title="${title}"></audio>`;
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if (inline.video && VIDEO_EXT.test(href))
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return `<video controls src="${href}" title="${title}"/></video>`;
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return `<a href="${href}">${title || href}</a>`;
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}
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2021-01-28 23:07:57 +00:00
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if (h1) return `<h1>${h1}</h1>`;
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if (h2) return `<h2>${h2}</h2>`;
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if (h3) return `<h3>${h3}</h3>`;
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if (li) return `<li>${li}</li>`;
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if (quote) return `<blockquote>${quote}</blockquote>`;
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return `<p><br></p>`;
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}
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