watch-file-safe/build/index.js

Watch a file for changes

"use strict";

exports.__esModule = true;
exports["default"] = watchFile;

var _chokidar = require("chokidar");

function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

function watchFile(path) {
  var chokidar = (0, _chokidar.watch)(path);
  var watcher = {
    onAdd: function onAdd(cb) {
      chokidar.on("add", cb);
      return watcher;
    },
    onChange: function onChange(cb) {
      chokidar.on("change", cb);
      return watcher;
    },
    onRemove: function onRemove(cb) {
      chokidar.on("unlink", cb);
      return watcher;
    },
    onReady: function onReady(cb) {
      chokidar.on("ready", cb);
      return watcher;
    },
    stop: function () {
      var _stop = _asyncToGenerator(function* () {
        return chokidar.close().then(function () {
          return true;
        })["catch"](function () {
          return false;
        });
      });

      function stop() {
        return _stop.apply(this, arguments);
      }

      return stop;
    }()
  };
  return watcher;
}