Create build:emoji task

- Auto-generate emoji data from GitHub API - Auto-generate emoji markdown for website - Add emoji page to navigation

Author: jhildenbiddle

build/emoji.js

@@ -0,0 +1,91 @@
+const axios = require('axios');
+const fs = require('fs');
+const path = require('path');
+
+const filePaths = {
+ emojiMarkdown: path.resolve(process.cwd(), 'docs', 'emoji.md'),
+ emojiJS: path.resolve(
+ process.cwd(),
+ 'src',
+ 'core',
+ 'render',
+ 'emojify-data.js'
+ ),
+};
+
+async function getEmojiData() {
+ const emojiDataURL = 'https://api.github.com/emojis';
+ const response = await axios.get(emojiDataURL);
+ const baseURL = Object.values(response.data)
+ .find(url => /unicode\//)
+ .split('unicode/')[0];
+ const data = { ...response.data };
+
+ // Remove base URL from emoji URLs
+ Object.entries(data).forEach(
+ ([key, value]) => (data[key] = value.replace(baseURL, ''))
+ );
+
+ return {
+ baseURL,
+ data,
+ };
+}
+
+function writeEmojiPage(emojiData) {
+ const emojiPage =
+ (fs.existsSync(filePaths.emojiMarkdown) &&
+ fs.readFileSync(filePaths.emojiMarkdown, 'utf8')) ||
+ `<!-- START -->\n\n<!-- END -->`;
+ const emojiRegEx = /(<!--\s*START.*-->\n)([\s\S]*)(\n<!--\s*END.*-->)/;
+ const emojiMatch = emojiPage.match(emojiRegEx);
+ const emojiMarkdownStart = emojiMatch[1].trim();
+ const emojiMarkdown = emojiMatch[2].trim();
+ const emojiMarkdownEnd = emojiMatch[3].trim();
+ const newEmojiMarkdown = Object.keys(emojiData.data)
+ .reduce(
+ (preVal, curVal) =>
+ (preVal += `:${curVal}: ` + '`' + `:${curVal}:` + '`' + '\n\n'),
+ ''
+ )
+ .trim();
+
+ if (emojiMarkdown !== newEmojiMarkdown) {
+ const newEmojiPage = emojiPage.replace(
+ emojiMatch[0],
+ `${emojiMarkdownStart}\n${newEmojiMarkdown}\n${emojiMarkdownEnd}`
+ );
+
+ fs.writeFileSync(filePaths.emojiMarkdown, newEmojiPage);
+ console.info(`- Created new file: ${filePaths.emojiMarkdown}`);
+ } else {
+ console.info(`- No changes to file: ${filePaths.emojiMarkdown}`);
+ }
+}
+
+function writeEmojiJS(emojiData) {
+ const emojiJS =
+ fs.existsSync(filePaths.emojiJS) &&
+ fs.readFileSync(filePaths.emojiJS, 'utf8');
+ const newEmojiJS = `export default ${JSON.stringify(emojiData, {}, 2)}`;
+
+ if (!emojiJS || emojiJS !== newEmojiJS) {
+ fs.writeFileSync(filePaths.emojiJS, newEmojiJS);
+ console.info(`- Created new file: ${filePaths.emojiJS}`);
+ } else {
+ console.info(`- No changes to file: ${filePaths.emojiJS}`);
+ }
+}
+
+(async () => {
+ console.log('Build emoji');
+
+ try {
+ const emojiData = await getEmojiData();
+
+ writeEmojiPage(emojiData);
+ writeEmojiJS(emojiData);
+ } catch (e) {
+ console.error(e);
+ }
+})();

docs/_sidebar.md

@@ -13,6 +13,7 @@
  - [Write a Plugin](write-a-plugin.md)
  - [Markdown configuration](markdown.md)
  - [Language highlighting](language-highlight.md)
+ - [Emoji](emoji.md)
 
 - Guide