102 lines
2.6 KiB
JavaScript
102 lines
2.6 KiB
JavaScript
/*jshint esversion: 6 */
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var chokidar = require('chokidar');
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var fs = require('../core/fs.js');
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// TODO: this should be receiving the config object not re-reading the
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// embark.json file
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var Watch = function(options) {
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this.logger = options.logger;
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this.events = options.events;
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};
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Watch.prototype.start = function() {
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var self = this;
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// TODO: should come from the config object instead of reading the file
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// directly
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var embarkConfig = fs.readJSONSync("embark.json");
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this.watchAssets(embarkConfig, function() {
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self.logger.trace('ready to watch asset changes');
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});
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this.watchContracts(embarkConfig, function() {
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self.logger.trace('ready to watch contract changes');
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});
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this.watchConfigs(function() {
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self.logger.trace('ready to watch config changes');
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});
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this.logger.info("ready to watch file changes");
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};
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Watch.prototype.watchAssets = function(embarkConfig, callback) {
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var self = this;
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var appConfig = embarkConfig.app;
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var filesToWatch = [];
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for(var targetFile in appConfig) {
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filesToWatch.push(appConfig[targetFile]);
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}
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this.watchFiles(
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filesToWatch,
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function(eventName, path) {
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self.logger.info(`${eventName}: ${path}`);
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self.events.emit('file-' + eventName, 'asset', path);
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self.events.emit('file-event', 'asset', path);
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},
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function() {
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callback();
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}
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);
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};
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Watch.prototype.watchContracts = function(embarkConfig, callback) {
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var self = this;
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this.watchFiles(
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[embarkConfig.contracts],
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function(eventName, path) {
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self.logger.info(`${eventName}: ${path}`);
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self.events.emit('file-' + eventName, 'contract', path);
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self.events.emit('file-event', 'contract', path);
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},
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function() {
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callback();
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}
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);
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};
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Watch.prototype.watchConfigs = function(callback) {
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var self = this;
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this.watchFiles(
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"config/**/contracts.json",
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function(eventName, path) {
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self.logger.info(`${eventName}: ${path}`);
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self.events.emit('file-' + eventName, 'config', path);
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self.events.emit('file-event', 'config', path);
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},
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function() {
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callback();
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}
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);
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};
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Watch.prototype.watchFiles = function(files, changeCallback, doneCallback) {
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this.logger.trace('watchFiles');
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this.logger.trace(files);
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var configWatcher = chokidar.watch(files, {
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ignored: /[\/\\]\./, persistent: true, ignoreInitial: true, followSymlinks: true
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});
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configWatcher
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.on('add', path => changeCallback('add', path))
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.on('change', path => changeCallback('change', path))
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.on('unlink', path => changeCallback('remove', path))
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.on('ready', doneCallback);
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};
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module.exports = Watch;
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