add thai numeral package

packages/thai/CHANGELOG.md

@@ -0,0 +1,6 @@
+# Thai Changelog
+<!-- https://keepachangelog.com/en/1.0.0/ -->
+
+## [0.0.1]  2024-05-09
+### Added
+- Initial project covert number into Thai numerals

packages/thai/LICENSE

@@ -0,0 +1,12 @@
+ISC License
+
+Copyright 2024 Amer Harb numerals@amerharb.com
+
+Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted,
+provided that the above copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

packages/thai/README.md

@@ -0,0 +1,28 @@
+# @numerals/thai
+
+[![Version](https://img.shields.io/badge/version-0.0.1-blue.svg)](https://github.com/amerharb/numerals/tree/thai/version/0.0.1)
+[![License: GPLv3](https://img.shields.io/badge/License-ISC-blue.svg)](https://opensource.org/licenses/ISC)
+![Coverage](https://raw.githubusercontent.com/amerharb/numerals/thai/version/0.0.1/packages/thai/badges/coverage.svg)
+![Github workflow](https://github.com/amerharb/numerals/actions/workflows/lint-test.yaml/badge.svg?branch=thai/version/0.0.1)
+
+**@numerals/thai** is a package for converting number into Thai numeral.
+
+`123 -> ๑๒๓`
+
+## How to use
+npm:
+```shell
+npm i @numerals/thai
+```
+
+yarn:
+```shell
+yarn add @numerals/thai
+```
+
+Type Script:
+```js
+import { convert } from '@numerals/thai';
+console.log(convert(123)); // ๑๒๓
+console.log(convert(123.45)); // ๑๒๓.๔๕
+```

packages/thai/jest.config.js

@@ -0,0 +1,14 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports =  {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  collectCoverage: true,
+  coverageDirectory: 'coverage',
+  coverageProvider: 'v8',
+  testMatch: [
+    '**/?(*.)+(test.ts)',
+  ],
+  coverageReporters: [
+    'json-summary',
+  ],
+};

packages/thai/package.json

@@ -0,0 +1,38 @@
+{
+	"name": "@numerals/thai",
+	"version": "0.0.1",
+	"main": "dist/src/index.js",
+	"types": "dist/src/index.d.ts",
+	"files": [
+		"dist/src/**/*.d.ts",
+		"dist/src/**/*.js",
+		"LICENSE",
+		"CHANGELOG.md",
+		"README.md"
+	],
+	"author": "Amer Harb",
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/amerharb/numerals.git"
+	},
+	"homepage": "https://github.com/amerharb/numerals#readme",
+	"url": "https://github.com/amerharb/numerals/issues",
+	"email": "numerals@amerharb.com",
+	"keywords": [
+		"thai-numerals",
+		"thai-numbers"
+	],
+	"license": "ISC",
+	"scripts": {
+		"build": "rm -rf dist && tsc",
+		"start": "node dist/src/index.js",
+		"test": "jest",
+		"make-coverage-badge": "npx make-coverage-badge --report-path coverage/coverage-summary.json --output-path badges/coverage.svg",
+		"dev": "ts-node src/index.ts",
+		"lint": "npx eslint . --max-warnings 0",
+		"lint:fix": "npx eslint . --fix"
+	},
+	"bugs": {
+		"url": "https://github.com/amerharb/numerals/issues"
+	}
+}

packages/thai/src/index.ts

@@ -0,0 +1,35 @@
+import { Th } from './numerals'
+
+const map = new Map<string, string>(
+	[
+		['0', Th['0']],
+		['1', Th['1']],
+		['2', Th['2']],
+		['3', Th['3']],
+		['4', Th['4']],
+		['5', Th['5']],
+		['6', Th['6']],
+		['7', Th['7']],
+		['8', Th['8']],
+		['9', Th['9']],
+		['-', '-'],
+		['.', '.'],
+	]
+)
+
+export function convert(source: number): string {
+	if (!Number.isFinite(source)) {
+		throw new Error('Source is not a finite number')
+	}
+	const sourceString = source.toString()
+	let result = ''
+	for (const letter of sourceString) {
+		const u = map.get(letter) ?? throwNoNumeralFor(letter)
+		result += u
+	}
+	return result
+}
+
+function throwNoNumeralFor(letter: string): never {
+	throw new Error(`No numeral for "${letter}"`)
+}

packages/thai/src/numerals.ts

@@ -0,0 +1,25 @@
+const numbers = [
+	String.fromCodePoint(0x0E50), /** #0 ๐ U+0E50 number 0*/
+	String.fromCodePoint(0x0E51), /** #1 ๑ U+0E51 number 1*/
+	String.fromCodePoint(0x0E52), /** #2 ๒ U+0E52 number 2*/
+	String.fromCodePoint(0x0E53), /** #3 ๓ U+0E53 number 3*/
+	String.fromCodePoint(0x0E54), /** #4 ๔ U+0E54 number 4*/
+	String.fromCodePoint(0x0E55), /** #5 ๕ U+0E55 number 5*/
+	String.fromCodePoint(0x0E56), /** #6 ๖ U+0E56 number 6*/
+	String.fromCodePoint(0x0E57), /** #7 ๗ U+0E57 number 7*/
+	String.fromCodePoint(0x0E58), /** #8 ๘ U+0E58 number 8*/
+	String.fromCodePoint(0x0E59), /** #9 ๙ U+0E59 number 9*/
+] as const
+
+export const Th = {
+	'0': numbers[0],
+	'1': numbers[1],
+	'2': numbers[2],
+	'3': numbers[3],
+	'4': numbers[4],
+	'5': numbers[5],
+	'6': numbers[6],
+	'7': numbers[7],
+	'8': numbers[8],
+	'9': numbers[9],
+}

packages/thai/test/index.test.ts

@@ -0,0 +1,26 @@
+import { convert } from '../src'
+import { describe, expect, it } from '@jest/globals'
+
+describe('convert()', () => {
+	it('convert 1234567890 into ๑๒๓๔๕๖๗๘๙๐', () => {
+		const actual = convert(1234567890)
+		expect(actual).toEqual('๑๒๓๔๕๖๗๘๙๐')
+	})
+	it('convert 123.456 into ๑๒๓.๔๕๖', () => {
+		const actual = convert(123.456)
+		expect(actual).toEqual('๑๒๓.๔๕๖')
+	})
+	it('convert -1 into -๑', () => {
+		const actual = convert(-1)
+		expect(actual).toEqual('-๑')
+	})
+	it('convert 0 into ๐', () => {
+		const actual = convert(0)
+		expect(actual).toEqual('๐')
+	})
+	it.each([NaN, Infinity, -Infinity])
+	('throw Error for non number [%s]', (it) => {
+		const actual = () => convert(it)
+		expect(actual).toThrowError('Source is not a finite number')
+	})
+})

packages/thai/tsconfig.json

@@ -0,0 +1,6 @@
+{
+	"extends": "../../tsconfig.json",
+	"compilerOptions": {
+		"outDir": "dist",
+	}
+}