64 lines
1.6 KiB
JavaScript
64 lines
1.6 KiB
JavaScript
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/*
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* grunt-contrib-watch
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* http://gruntjs.com/
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*
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* Copyright (c) 2018 "Cowboy" Ben Alman, contributors
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* Licensed under the MIT license.
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*/
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'use strict';
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var tinylr = require('tiny-lr');
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var _ = require('lodash');
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// Holds the servers out of scope in case watch is reloaded
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var servers = Object.create(null);
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module.exports = function(grunt) {
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var defaults = {port: 35729};
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function LR(options) {
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if (options === true) {
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options = defaults;
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} else if (typeof options === 'number') {
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options = {port: options};
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} else {
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options = _.defaults(options, defaults);
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}
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var host = (options.host || '*') + ':' + options.port;
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if (servers[host]) {
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this.server = servers[host];
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} else {
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this.server = tinylr(options);
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this.server.server.removeAllListeners('error');
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this.server.server.on('error', function(err) {
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if (err.code === 'EADDRINUSE') {
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grunt.fatal('Port ' + options.port + ' is already in use by another process.');
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} else {
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grunt.fatal(err);
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}
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process.exit(1);
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});
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this.server.listen(options.port, options.host, function(err) {
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if (err) {
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return grunt.fatal(err);
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}
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grunt.log.verbose.writeln('Live reload server started on ' + host);
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});
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servers[host] = this.server;
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}
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}
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LR.prototype.trigger = function(files) {
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grunt.log.verbose.writeln('Live reloading ' + grunt.log.wordlist(files) + '...');
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this.server.changed({body: {files: files}});
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};
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return function(options) {
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return new LR(options);
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};
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};
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