Init

Author: Igor-Losev

.gitignore

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+.idea
+node_modules

.npmrc

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+package-lock=false

README.md

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+# @barchart/log4js-node-appenders
+

gulpfile.js

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+const git = require('gulp-git'),
+	gitStatus = require('git-get-status'),
+	gulp = require('gulp'),
+	jshint = require('gulp-jshint'),
+	prompt = require('gulp-prompt');
+
+function getVersionFromPackage() {
+	return JSON.parse(fs.readFileSync('./package.json', 'utf8')).version;
+}
+
+gulp.task('ensure-clean-working-directory', (cb) => {
+	gitStatus((err, status) => {
+		if (err, !status.clean) {
+			throw new Error('Unable to proceed, your working directory is not clean.');
+		}
+
+		cb();
+	});
+});
+
+gulp.task('bump-choice', (cb) => {
+	const processor = prompt.prompt({
+		type: 'list',
+		name: 'bump',
+		message: 'What type of bump would you like to do?',
+		choices: ['patch', 'minor', 'major'],
+	}, (res) => {
+		global.bump = res.bump;
+
+		return cb();
+	});
+
+	return gulp.src(['./package.json']).pipe(processor);
+});
+
+gulp.task('bump-version', (cb) => {
+	exec(`npm version ${global.bump || 'patch'} --no-git-tag-version`, {
+		cwd: './'
+	}, (error) => {
+		if (error) {
+			cb(error);
+		}
+
+		cb();
+	});
+});
+
+gulp.task('commit-changes', () => {
+	return gulp.src([ './package*', ])
+		.pipe(git.add())
+		.pipe(git.commit('Release. Bump version number'));
+});
+
+gulp.task('push-changes', (cb) => {
+	git.push('origin', 'master', cb);
+});
+
+gulp.task('create-tag', (cb) => {
+	const version = getVersionFromPackage();
+
+	git.tag(version, 'Release ' + version, (error) => {
+		if (error) {
+			return cb(error);
+		}
+
+		git.push('origin', 'master', { args: '--tags' }, cb);
+	});
+});
+
+gulp.task('release', gulp.series(
+	'ensure-clean-working-directory',
+	'bump-choice',
+	'bump-version',
+	'commit-changes',
+	'push-changes',
+	'create-tag'
+));
+
+gulp.task('lint', () => {
+	return gulp.src([ './**/*.js', '!./node_modules/**' ])
+		.pipe(jshint({ esversion: 6 }))
+		.pipe(jshint.reporter('default'));
+});
+
+gulp.task('default', gulp.series('lint'));

index.js

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+const lambdaAppender = require('./lib/lambda.js');
+
+const appenders = { };
+
+appenders.lambda = lambdaAppender;
+
+module.exports = appenders;
+

lib/lambda.js

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+const levels = new Map();
+
+levels.set('TRACE', console.trace.bind(console));
+levels.set('DEBUG', console.debug.bind(console));
+levels.set('INFO', console.log.bind(console));
+levels.set('WARN', console.warn.bind(console));
+levels.set('ERROR', console.error.bind(console));
+levels.set('FATAL', console.error.bind(console));
+
+function appender(layout, timezoneOffset) {
+	return (loggingEvent) => {
+		let log;
+
+		if (levels.has(loggingEvent.levelStr)) {
+			log = levels.get(loggingEvent.levelStr);
+		} else {
+			log = levels.get('INFO');
+		}
+
+		log(layout(loggingEvent, timezoneOffset));
+	};
+}
+
+function configure(config, layouts) {
+	let layout = layouts.colouredLayout;
+
+	if (config.layout) {
+		layout = layouts.layout(config.layout.type, config.layout);
+	}
+
+	return appender(layout, config.timezoneOffset);
+}
+
+module.exports.configure = configure;

package.json

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+{
+  "name": "@barchart/log4js-node-appenders",
+  "version": "1.0.0",
+  "description": "JavaScript library with custom appenders for log4js",
+  "dependencies": {},
+  "devDependencies": {
+    "git-get-status": "^1.0.2",
+    "gulp": "^4.0.2",
+    "gulp-git": "^2.10.1",
+    "gulp-jshint": "~2.1.0",
+    "gulp-prompt": "^1.2.0",
+    "jshint": "2.9.5"
+  }
+}