Bones/node_modules/browser-sync/lib/file-watcher.js
SOUTHERNCO\x2mjbyrn 7efe7605b8 Template Upload
2017-05-17 13:45:25 -04:00

87 lines
1.9 KiB
JavaScript

"use strict";
var _ = require("../lodash.custom");
var utils = require("./utils");
var Rx = require("rx");
/**
* Plugin interface
* @returns {*|function(this:exports)}
*/
module.exports.plugin = function (bs) {
var options = bs.options;
var emitter = bs.emitter;
var defaultWatchOptions = options.get("watchOptions").toJS();
return options.get("files").reduce(function (map, glob, namespace) {
/**
* Default CB when not given
* @param event
* @param path
*/
var fn = function (event, path) {
emitter.emit("file:changed", {
event: event,
path: path,
namespace: namespace
});
};
var jsItem = glob.toJS();
if (jsItem.globs.length) {
var watcher = watch(jsItem.globs, defaultWatchOptions, fn);
map[namespace] = {
watchers: [watcher]
};
}
if (jsItem.objs.length) {
jsItem.objs.forEach(function (item) {
if (!_.isFunction(item.fn)) {
item.fn = fn;
}
var watcher = watch(item.match, item.options || defaultWatchOptions, item.fn.bind(bs.publicInstance));
if (!map[namespace]) {
map[namespace] = {
watchers: [watcher]
};
} else {
map[namespace].watchers.push(watcher);
}
});
}
return map;
}, {});
};
/**
* @param patterns
* @param opts
* @param cb
* @returns {*}
*/
function watch (patterns, opts, cb) {
if (typeof opts === "function") {
cb = opts;
opts = {};
}
var watcher = require("chokidar")
.watch(patterns, opts);
if (_.isFunction(cb)) {
watcher.on("all", cb);
}
return watcher;
}
module.exports.watch = watch;