refactor: migrated all the generators

backend/generators.ts

@@ -1,2 +1,49 @@
+import fs from 'fs-extra';
+import { randomBytes } from 'crypto';
 import cryptoRandomString from 'crypto-random-string';
-export const random = ({ length }: { length: number }) => cryptoRandomString({ length, type: 'alphanumeric' });
+import { path } from '@tycrek/joint';
+
+type Length = { length: number, gfyLength?: number };
+
+// todo: load gfy length from config file
+const MIN_LENGTH_GFY = 2;
+
+/**
+ * Random generator
+ */
+export const random = ({ length }: Length) => cryptoRandomString({ length, type: 'alphanumeric' });
+
+/**
+ * Timestamp generator
+ */
+export const timestamp = () => `${Date.now()}`;
+
+/**
+ * Charset generator
+ */
+export const charset = ({ length, charset }: { length: number, charset: string[] }): string =>
+	[...randomBytes(length)].map((byte) => charset[Number(byte) % charset.length]).join('').slice(1).concat(charset[0]);
+
+/**
+ * ZWS generator
+ */
+export const zws = ({ length }: Length) => charset({ length, charset: ['\u200B', '\u200C', '\u200D', '\u2060'] });
+
+/**
+ * Gfycat generator
+ */
+export const gfycat = ({ gfyLength }: Length) => {
+	const count = gfyLength ?? MIN_LENGTH_GFY;
+
+	const getWord = (list: string[], delim = '') =>
+		list[Math.floor(Math.random() * list.length)].concat(delim);
+
+	const adjectives = fs.readFileSync(path.join('./common/gfycat/adjectives.txt')).toString().split('\n');
+	const animals = fs.readFileSync(path.join('./common/gfycat/animals.txt')).toString().split('\n');
+
+	let gfycat = '';
+	for (let i = 0; i < (count < MIN_LENGTH_GFY ? MIN_LENGTH_GFY : count); i++)
+		gfycat += getWord(adjectives, '-');
+	return gfycat.concat(getWord(animals));
+};
+

src/generators/gfycat.ts

@@ -1,23 +0,0 @@
-import fs from 'fs-extra';
-
-// Don't trigger circular dependency during setup
-if (require !== undefined && !require?.main?.filename.includes('setup.js'))
-    var MIN_LENGTH = require('../setup').gfyIdSize; // skipcq: JS-0239, JS-0102
-
-function getWord(list: string[], delim = '') {
-    return list[Math.floor(Math.random() * list.length)].concat(delim);
-}
-
-function genString(count = MIN_LENGTH) {
-    // For some reason these 3 lines MUST be inside the function
-    const { path } = require('../utils');
-    const adjectives = fs.readFileSync(path('./gfycat/adjectives.txt')).toString().split('\n');
-    const animals = fs.readFileSync(path('./gfycat/animals.txt')).toString().split('\n');
-
-    let gfycat = '';
-    for (let i = 0; i < (count < MIN_LENGTH ? MIN_LENGTH : count); i++)
-        gfycat += getWord(adjectives, '-');
-    return gfycat.concat(getWord(animals));
-};
-
-export default ({ gfyLength }: { gfyLength: number }) => genString(gfyLength);

src/generators/lengthGen.ts

@@ -1,2 +0,0 @@
-import { randomBytes } from 'crypto';
-export default (length: number, charset: string[]): string => [...randomBytes(length)].map((byte) => charset[Number(byte) % charset.length]).join('').slice(1).concat(charset[0]);

src/generators/nanoid.ts

@@ -1,2 +0,0 @@
-import { nanoid } from 'nanoid';
-export default ({ length }: { length?: number }) => nanoid(length);

src/generators/random.ts

@@ -1,2 +0,0 @@
-import cryptoRandomString from 'crypto-random-string';
-export default ({ length }: { length: number }) => cryptoRandomString({ length, type: 'alphanumeric' });

src/generators/timestamp.ts

@@ -1 +0,0 @@
-export default () => `${Date.now()}`;

src/generators/zws.ts

@@ -1,4 +0,0 @@
-import lengthGen from './lengthGen';
-const zeroWidthChars = ['\u200B', '\u200C', '\u200D', '\u2060'];
-export default ({ length }: { length: number }) => lengthGen(length, zeroWidthChars);
-export const checkIfZws = (str: string) => str.split('').every(char => zeroWidthChars.includes(char));