Add generator

scripts/generate.js

@@ -0,0 +1,41 @@
+#!/bin/env node
+
+const fs = require('fs');
+const path = require('path');
+const $ = require('cheerio');
+const request = require('request');
+const markdown = require('./markdown');
+
+const url = 'http://www.emoji-cheat-sheet.com';
+const title = 'emoji-cheat-sheet';
+
+const outDir = path.resolve(process.cwd(), './generated');
+const outFile = path.join(outDir, 'README.md');
+
+const columnDivisions = 2;
+
+request.get(url, (error, response, body) => {
+  if (error || response.statusCode !== 200) {
+    throw error || `Unexpected response status code: ${response.statusCode}`;
+  } else {
+    const emojiTable = {};
+    const $html = $.load(body).root();
+    $html.find('h2').each((_, catalogElement) => {
+      const emojis = [];
+      const catalog = $(catalogElement).text();
+      $html.find(`#emoji-${catalog.toLowerCase()} li .name`).each((_, emojiElement) => {
+        const emoji = $(emojiElement).text();
+        emojis.push(emoji);
+      });
+      emojiTable[catalog] = emojis;
+    });
+    if (fs.existsSync(outDir)) {
+      if (!fs.statSync(outDir).isDirectory()) {
+        throw `OutDir '${outDir}' should be a directory.`;
+      }
+    } else {
+      fs.mkdirSync(outDir);
+    }
+    fs.writeFileSync(outFile, markdown.create(title, emojiTable, columnDivisions));
+  }
+});

scripts/markdown.js

@@ -0,0 +1,50 @@
+const format = str => str.trim().replace(/^ +/mg, '');
+
+module.exports = class Markdown {
+
+  static create(title, emojiTable, columnDivisions) {
+    return format(`
+
+      # ${title}
+
+      ${
+        Object.keys(emojiTable).map(catalog => {
+          const emojis = emojiTable[catalog];
+          return format(`
+
+            #### ${catalog}
+
+            ${this.createTable(emojis, columnDivisions)}
+
+          `);
+        }).join(('\n').repeat(2))
+      }
+
+    `);
+  }
+
+  static createTableHead(columnDivisions) {
+    return format(`
+
+    |${(' icon | emoji |').repeat(columnDivisions)}
+    |${(' ---- | ----- |').repeat(columnDivisions)}
+
+    `);
+  }
+
+  static createTable(emojis, columnDivisions) {
+    let table = this.createTableHead(columnDivisions) + '\n';
+    for (let i = 0; i < emojis.length; i += columnDivisions) {
+      const rowEmojis = emojis.slice(i, i + columnDivisions);
+      while (rowEmojis.length < columnDivisions)
+        rowEmojis.push('');
+      table += format(`
+
+      |${rowEmojis.map((emoji) => ` :${emoji}: | \`:${emoji}:\` `).join(' | ')}|
+
+      `) + '\n';
+    }
+    return table;
+  }
+
+};