[logger] added logger module

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@klenty/gunner",
-	"version": "0.6.5",
+	"version": "0.6.6",
 	"description": "Zero magic, fast test-runner and assertion framework. No magic globals.",
 	"main": "index.js",
 	"repository": {

src/lib/logger.js

@@ -1,12 +1,92 @@
+const chalk = require('chalk');
+const { taggedStringify: _ } = require('../util');
+const { EOL, greenLine, redLine } = require('../util/constants');
+
+const processResults = (results, options) => {
+
+	const success = results.filter(r => r.result === 'pass');
+	results.passing = success.length;
+	const successPercent = Math.floor(
+		success.length/results.length * 100
+	);
+	let resultString = '';
+	resultString +=
+		chalk`\n{green ${success.length} }`
+		+ `tests passed of ${results.length} `
+		+ `[${successPercent}% success]\n`
+		+ EOL;
+	results.forEach(r => {
+		const trace = (options.trace && r.error)
+			? _`\n    Traceback:\n    ${r.error}`
+			: '';
+
+		resultString +=
+			`${r.result === 'pass'
+				? chalk`{green ✅}`
+				: chalk`{red ❌}`} :: `
+			+ `${r.description}`
+			+ `${trace}`;
+	});
+	return resultString;
+
+};
+
 /**
  * Creates a Logger that only logs if 'log' option was true
  * @param {Object} options
  * @param {boolean=} options.log
+ * @param {boolean=} shouldProcess
  */
-const logger = options => {
-	const log = (...strings) => options.log && console.log(...strings);
+const logger = (options = {}, shouldProcess) => {
+
+	const log = (...items) => {
+
+		if (!options.log) return;
+
+		let logEmit;
+		if (typeof options.log === 'function') {
+			logEmit = (...x) => {
+				console.log(...x);
+				options.log(...x);
+			};
+		}
+		else logEmit = console.log;
+
+		if (!shouldProcess)
+			logEmit(...items);
+		else {
+
+			const [ results ] = items;
+			const success = results.filter(r => r.result === 'pass');
+			const successPercent = Math.floor(
+				success.length/results.length * 100
+			);
+
+			logEmit(processResults(results, options));
+
+			const demarkerLine =
+				successPercent === 100
+					? greenLine
+					: redLine;
+
+			logEmit(
+				EOL,
+				demarkerLine,
+				EOL, EOL,
+				chalk.green(` ${success.length}`),
+				`tests passed of ${results.length}`,
+				`[${successPercent}% success]`,
+				EOL, EOL,
+				demarkerLine
+			);
+
+		}
+
+	};
+
 	log.true = options.log;
 	return log;
+
 };
 
 module.exports = {