Add node modules and compiled JavaScript from main (#54)

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

node_modules/http2-wrapper/source/utils/errors.js

@@ -0,0 +1,45 @@
+'use strict';
+/* istanbul ignore file: https://github.com/nodejs/node/blob/master/lib/internal/errors.js */
+
+const makeError = (Base, key, getMessage) => {
+	module.exports[key] = class NodeError extends Base {
+		constructor(...args) {
+			super(typeof getMessage === 'string' ? getMessage : getMessage(args));
+			this.name = `${super.name} [${key}]`;
+			this.code = key;
+		}
+	};
+};
+
+makeError(TypeError, 'ERR_INVALID_ARG_TYPE', args => {
+	const type = args[0].includes('.') ? 'property' : 'argument';
+
+	let valid = args[1];
+	const isManyTypes = Array.isArray(valid);
+
+	if (isManyTypes) {
+		valid = `${valid.slice(0, -1).join(', ')} or ${valid.slice(-1)}`;
+	}
+
+	return `The "${args[0]}" ${type} must be ${isManyTypes ? 'one of' : 'of'} type ${valid}. Received ${typeof args[2]}`;
+});
+
+makeError(TypeError, 'ERR_INVALID_PROTOCOL', args => {
+	return `Protocol "${args[0]}" not supported. Expected "${args[1]}"`;
+});
+
+makeError(Error, 'ERR_HTTP_HEADERS_SENT', args => {
+	return `Cannot ${args[0]} headers after they are sent to the client`;
+});
+
+makeError(TypeError, 'ERR_INVALID_HTTP_TOKEN', args => {
+	return `${args[0]} must be a valid HTTP token [${args[1]}]`;
+});
+
+makeError(TypeError, 'ERR_HTTP_INVALID_HEADER_VALUE', args => {
+	return `Invalid value "${args[0]} for header "${args[1]}"`;
+});
+
+makeError(TypeError, 'ERR_INVALID_CHAR', args => {
+	return `Invalid character in ${args[0]} [${args[1]}]`;
+});