ojm OlivierJM

Software Engineer

OlivierJM / formatnumber.js

Last active February 20, 2019 14:37

	import * as R from 'ramda'

	const formatNumber = R.compose(
	appendCountryCode,
	removePrefix,
	removeSymbol
	);

	// the above function can be called like this
	formatNumber(numberToformat)(countryCode)

OlivierJM / appendCode.js

Last active February 20, 2019 14:38

	import * as R from 'ramda'

	const appendCountryCode = R.curry((number, code) => `${code} ${number}`);

OlivierJM / removeprefix.test.js

Created February 20, 2019 14:00


	it('removes the zm country code', () => {
	expect(removePrefix("260923423")).toBe("923423")
	})

	it('removes the starting zero', () => {
	expect(removePrefix("0923423")).toBe("923423")
	})

	// in the above tests you can see that the end result is all the same.

OlivierJM / removePrefix.js

Last active February 20, 2019 13:58

	// zambian mobile numbers start with 09x in case the user typed it start with a 2
	// then its a country code prefixed

	// es6
	const removePrefix = num => num[0] == 2 ? num.substring(3) : num[0] == 0 ? num.substring(1) : num;

	// es5
	function removePrefix(num){
	if(num[0] == 2){ // check if it starts with a 2
	return num.substring(3) // remove numbers up to index 2 of the value

OlivierJM / removesymbol.test.js

Created February 20, 2019 13:56

	import { removeSymbol } from '../utils'

	it("should remove the + symbol if it exists", () => {
	expect(removeSymbol("+260")).toBe("260")
	})

	it("should return the given value if not + symbol found", () => {
	expect(removeSymbol("500")).toBe("500")
	})
	// since the argument should be a string, let's test that as well

OlivierJM / removeSymbol.js

Created February 20, 2019 13:54

	function removeSymbol(number){
	// make sure we are getting a string
	if (typeof number !== "string") throw new TypeError("Expected string");
	// check if the number has the + sign and remove it
	if(number.includes("+")){
	return number.replace(/\+/gi, "")
	}
	return number
	}

OlivierJM / test-example.js

Created February 20, 2019 13:53

	function add(a, b){
	return a + b
	}
	// test if the add really adds two numbers
	it('should add two given numbers', () => {
	expect(add(2, 5)).toBe(7)
	})

OlivierJM / parseNumber.js

Created January 29, 2019 19:04

	import React, { useState } from "react";

	const removeSymbol = num => (num.includes("+") ? num.replace(/\+/gi, "") : num);
	const hasPrefix = num => num[0] == 2 ? num.substring(3) : num[0] == 0 ? num.substring(1) : num;

	function App() {
	const [number, setNumber] = useState("");
	function parseNumber({ target: { value } }) {
	setNumber(value);
	}

OlivierJM / textParser.js

Created January 29, 2019 06:20

	function parseText(text) {
	let filterSpace = item => item.length > 1;
	let spacedWords = text
	.split(" ")
	.filter(filterSpace)
	.map(word => `${word} `);

	spacedWords.map((word, i) => {
	if (!word.indexOf("_")) {
	let newWord = <span style={{ color: "blue" }}>{word.substring(1)}</span>;

OlivierJM / index.html

Created January 15, 2019 05:35

JS Bin // source https://jsbin.com/kuvaraw

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width">
	<title>JS Bin</title>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/expect/1.20.2/expect.js"></script>
	</head>
	<body>