default emoji support for !jumbo

backend/package-lock.json

@@ -548,9 +548,9 @@
       }
     },
     "@types/node": {
-      "version": "12.12.5",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.5.tgz",
-      "integrity": "sha512-KEjODidV4XYUlJBF3XdjSH5FWoMCtO0utnhtdLf1AgeuZLOrRbvmU/gaRCVg7ZaQDjVf3l84egiY0mRNe5xE4A=="
+      "version": "12.12.24",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.24.tgz",
+      "integrity": "sha512-1Ciqv9pqwVtW6FsIUKSZNB82E5Cu1I2bBTj1xuIHXLe/1zYLl3956Nbhg2MzSYHVfl9/rmanjbQIb7LibfCnug=="
     },
     "@types/oauth": {
       "version": "0.9.1",
@@ -627,6 +627,11 @@
       "integrity": "sha1-EHPEvIJHVK49EM+riKsCN7qWTk0=",
       "dev": true
     },
+    "@types/twemoji": {
+      "version": "12.1.0",
+      "resolved": "https://registry.npmjs.org/@types/twemoji/-/twemoji-12.1.0.tgz",
+      "integrity": "sha512-dTHU1ZE83qUlF3oFWrdxKBmOimM+/3o9hzDBszcKjajmNu5G/DjWgQrRNkq+zxeR+zDN030ciAt5qTH+WXBD8A=="
+    },
     "accepts": {
       "version": "1.3.7",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
@@ -2358,6 +2363,26 @@
       "resolved": "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz",
       "integrity": "sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow=="
     },
+    "fs-extra": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
+      "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
+      "requires": {
+        "graceful-fs": "^4.2.0",
+        "jsonfile": "^4.0.0",
+        "universalify": "^0.1.0"
+      },
+      "dependencies": {
+        "jsonfile": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
+          "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
+          "requires": {
+            "graceful-fs": "^4.1.6"
+          }
+        }
+      }
+    },
     "fs-minipass": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-2.0.0.tgz",
@@ -2507,8 +2532,7 @@
     "graceful-fs": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
-      "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==",
-      "dev": true
+      "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ=="
     },
     "has": {
       "version": "1.0.3",
@@ -2924,6 +2948,15 @@
         "minimist": "^1.2.0"
       }
     },
+    "jsonfile": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-5.0.0.tgz",
+      "integrity": "sha512-NQRZ5CRo74MhMMC3/3r5g2k4fjodJ/wh8MxjFbCViWKFjxrnudWSY5vomh+23ZaXzAS7J3fBZIR2dV6WbmfM0w==",
+      "requires": {
+        "graceful-fs": "^4.1.6",
+        "universalify": "^0.1.2"
+      }
+    },
     "keyv": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/keyv/-/keyv-3.1.0.tgz",
@@ -4965,6 +4998,22 @@
       "integrity": "sha512-kcoMoKTPYnoeS50tzoqjPY3Uv9axeuuFAZY9M/9zFnhoVvRfxz9K29IMPD7jGmt2c8SW7i3gT9WqDl2+nV7p4A==",
       "optional": true
     },
+    "twemoji": {
+      "version": "12.1.4",
+      "resolved": "https://registry.npmjs.org/twemoji/-/twemoji-12.1.4.tgz",
+      "integrity": "sha512-e37lUlVijmABF7wPCc09s1kKj3hcpzU8KL5zw2bBDIXOtOr4luLF+ODJaEqca8dZPmLR5ezrJYI93nhPovKBiQ==",
+      "requires": {
+        "fs-extra": "^8.0.1",
+        "jsonfile": "^5.0.0",
+        "twemoji-parser": "12.1.1",
+        "universalify": "^0.1.2"
+      }
+    },
+    "twemoji-parser": {
+      "version": "12.1.1",
+      "resolved": "https://registry.npmjs.org/twemoji-parser/-/twemoji-parser-12.1.1.tgz",
+      "integrity": "sha512-XFUB4ReEvPbNPtiuyo/+crM4RldYbRRAhyE7Hw6EnfBdXECGydw7a49EGADayRvaeierP/m4DSv/OZQObh0LGA=="
+    },
     "type-fest": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.5.2.tgz",
@@ -5089,6 +5138,11 @@
         "uid2": "0.0.3"
       }
     },
+    "universalify": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg=="
+    },
     "unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",

backend/package.json

@@ -21,6 +21,7 @@
   },
   "dependencies": {
     "@types/sharp": "^0.23.1",
+    "@types/twemoji": "^12.1.0",
     "cors": "^2.8.5",
     "cross-env": "^5.2.0",
     "deep-diff": "^1.0.2",
@@ -55,6 +56,7 @@
     "tmp": "0.0.33",
     "transliteration": "^2.1.7",
     "tsconfig-paths": "^3.9.0",
+    "twemoji": "^12.1.4",
     "typeorm": "^0.2.14",
     "uuid": "^3.3.2"
   },
@@ -65,7 +67,7 @@
     "@types/js-yaml": "^3.12.1",
     "@types/lodash.at": "^4.6.3",
     "@types/moment-timezone": "^0.5.6",
-    "@types/node": "^12.7.5",
+    "@types/node": "^12.12.24",
     "@types/passport": "^1.0.0",
     "@types/passport-oauth2": "^1.4.8",
     "@types/passport-strategy": "^0.2.35",

backend/src/plugins/Utility.ts

@@ -64,6 +64,7 @@ import escapeStringRegexp from "escape-string-regexp";
 import safeRegex from "safe-regex";
 import fs from "fs";
 import sharp from "sharp";
+import twemoji from "twemoji";
 
 import { Url, URL, URLSearchParams } from "url";
 const ConfigSchema = t.type({
@@ -99,6 +100,7 @@ const SEARCH_EXPORT_LIMIT = 1_000_000;
 
 const activeReloads: Map<string, TextChannel> = new Map();
 const fsp = fs.promises;
+const CDN_URL = "https://twemoji.maxcdn.com/2/svg";
 
 type MemberSearchParams = {
   query?: string;
@@ -1481,21 +1483,16 @@ export class UtilityPlugin extends ZeppelinPlugin<TConfigSchema> {
   @d.permission("can_jumbo")
   async jumboCmd(msg: Message, args: { emoji: string }) {
     // Get emoji url
+    const config = this.getConfig();
     const emojiRegex = new RegExp(`(<.*:).*:(\\d+)`);
     const results = emojiRegex.exec(args.emoji);
-    const config = this.getConfig();
-    let extention;
+    let extention = ".png";
     let file;
 
     if (results) {
       let url = "https://cdn.discordapp.com/emojis/";
-      switch (results[1]) {
-        case "<:":
-          extention = ".png";
-          break;
-        case "<a:":
-          extention = ".gif";
-          break;
+      if (results[1] === "<a:") {
+        extention = ".gif";
       }
       url += `${results[2]}${extention}`;
       if (extention === ".png") {
@@ -1512,17 +1509,7 @@ export class UtilityPlugin extends ZeppelinPlugin<TConfigSchema> {
         };
       }
     } else {
-      const regexAstralSymbols = /[Dd][C-Fc-f][0-9A-Fa-f]{2}/g;
-
-      let emojiArray = [];
-      for (let i = 0; i < args.emoji.length; i++) {
-        const char = args.emoji.codePointAt(i).toString(16);
-        if (!regexAstralSymbols.test(char)) {
-          emojiArray = emojiArray.concat(args.emoji.codePointAt(i).toString(16));
-        }
-      }
-      const result = emojiArray.join(`-`);
-      const url = `https://twemoji.maxcdn.com/2/72x72/${result}.png`;
+      const url = CDN_URL + `/${twemoji.convert.toCodePoint(args.emoji)}.svg`;
       const image = await this.resizeBuffer(await this.getBufferFromUrl(url), config.jumbo_size, config.jumbo_size);
       file = {
         name: `emoji.png`,
@@ -1534,7 +1521,7 @@ export class UtilityPlugin extends ZeppelinPlugin<TConfigSchema> {
   }
 
   async resizeBuffer(input: Buffer, width: number, height: number): Promise<Buffer> {
-    return sharp(input)
+    return sharp(input, { density: 800 })
       .resize(width, height, {
         fit: "inside",
       })

backend/tsconfig.json

@@ -8,7 +8,8 @@
     "emitDecoratorMetadata": true,
     "target": "es2018",
     "lib": [
-      "esnext"
+      "esnext",
+      "DOM"
     ],
     "baseUrl": ".",
     "resolveJsonModule": true,