Add node modules and compiled JavaScript from main (#57)

Co-authored-by: Oliver King <oking3@uncc.edu>

node_modules/jest-validate/node_modules/camelcase/index.js

@@ -0,0 +1,77 @@
+'use strict';
+
+const preserveCamelCase = string => {
+	let isLastCharLower = false;
+	let isLastCharUpper = false;
+	let isLastLastCharUpper = false;
+
+	for (let i = 0; i < string.length; i++) {
+		const character = string[i];
+
+		if (isLastCharLower && /[\p{Lu}]/u.test(character)) {
+			string = string.slice(0, i) + '-' + string.slice(i);
+			isLastCharLower = false;
+			isLastLastCharUpper = isLastCharUpper;
+			isLastCharUpper = true;
+			i++;
+		} else if (isLastCharUpper && isLastLastCharUpper && /[\p{Ll}]/u.test(character)) {
+			string = string.slice(0, i - 1) + '-' + string.slice(i - 1);
+			isLastLastCharUpper = isLastCharUpper;
+			isLastCharUpper = false;
+			isLastCharLower = true;
+		} else {
+			isLastCharLower = character.toLocaleLowerCase() === character && character.toLocaleUpperCase() !== character;
+			isLastLastCharUpper = isLastCharUpper;
+			isLastCharUpper = character.toLocaleUpperCase() === character && character.toLocaleLowerCase() !== character;
+		}
+	}
+
+	return string;
+};
+
+const camelCase = (input, options) => {
+	if (!(typeof input === 'string' || Array.isArray(input))) {
+		throw new TypeError('Expected the input to be `string | string[]`');
+	}
+
+	options = {
+		...{pascalCase: false},
+		...options
+	};
+
+	const postProcess = x => options.pascalCase ? x.charAt(0).toLocaleUpperCase() + x.slice(1) : x;
+
+	if (Array.isArray(input)) {
+		input = input.map(x => x.trim())
+			.filter(x => x.length)
+			.join('-');
+	} else {
+		input = input.trim();
+	}
+
+	if (input.length === 0) {
+		return '';
+	}
+
+	if (input.length === 1) {
+		return options.pascalCase ? input.toLocaleUpperCase() : input.toLocaleLowerCase();
+	}
+
+	const hasUpperCase = input !== input.toLocaleLowerCase();
+
+	if (hasUpperCase) {
+		input = preserveCamelCase(input);
+	}
+
+	input = input
+		.replace(/^[_.\- ]+/, '')
+		.toLocaleLowerCase()
+		.replace(/[_.\- ]+([\p{Alpha}\p{N}_]|$)/gu, (_, p1) => p1.toLocaleUpperCase())
+		.replace(/\d+([\p{Alpha}\p{N}_]|$)/gu, m => m.toLocaleUpperCase());
+
+	return postProcess(input);
+};
+
+module.exports = camelCase;
+// TODO: Remove this for the next major release
+module.exports.default = camelCase;