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DayPilot in AngularJS with webpack

Asked by Pierre
4 years ago.

I have issues trying to import daypilot in my AngularJS (1.6) project with webpack. The file daypilot-all.min.js does not export anything. I have tried to use exports-loader and imports-loader with some success as I managed to require() the DayPilot object, but then how to register daypilot as an angular module?

Here is a code extract:

import angular from 'angular'
const DayPilot = require('exports-loader?DayPilot!imports-loader?angular!./modules/daypilot-all.min.js')
angular.module("myApp", [ ])

/* triggers errors */
Uncaught Error: [ng:areq] Argument 'fn' is not a function, got Object
at eval (eval at <anonymous> (app.bundle.js:2348), <anonymous>:66:12)
at assertArg (eval at <anonymous> (app.bundle.js:2348), <anonymous>:2048:11)
at assertArgFn (eval at <anonymous> (app.bundle.js:2348), <anonymous>:2058:3)
at Function.annotate [as $$annotate] (eval at <anonymous> (app.bundle.js:2348), <anonymous>:4226:5)
at injectionArgs (eval at <anonymous> (app.bundle.js:2348), <anonymous>:4960:36)
at Object.invoke (eval at <anonymous> (app.bundle.js:2348), <anonymous>:4995:18)
at eval (eval at <anonymous> (app.bundle.js:2348), <anonymous>:4805:62)
at forEach (eval at <anonymous> (app.bundle.js:2348), <anonymous>:403:20)
at createInjector (eval at <anonymous> (app.bundle.js:2348), <anonymous>:4805:3)
at doBootstrap (eval at <anonymous> (app.bundle.js:2348), <anonymous>:1914:20)

Answer posted by Pierre
4 years ago.

After a night sleeping on the issue, found the solution.
DayPilot registers the module in angular using angular.module("daypilot",[]) so in order to register one needs to use the 'daypilot' module name as a string. In addition, to be able to use the DayPilot object in the controllers, I ended up storing the DayPilot object as an Angular constant.

Here is the implemented solution:

/* app.js */
const DayPilot = require('exports-loader?DayPilot!imports-loader?angular!./modules/daypilot-all.min.js')
import ScheduleCtrl from './schedule/schedule.controller'

angular.module('myApp', [
.constant('DayPilot', DayPilot)
.controller('ScheduleCtrl', ScheduleCtrl)

/* schedule.controller.js */
export default class ScheduleCtrl {

constructor (DayPilot) {
this.config = {
scale: "Day",
days: 14,
startDate: "2017-06-24",
timeHeaders: [
{ groupBy: "Month" },
{ groupBy: "Day", format: "d" }
resources: [
{ name: "Room B", id: "B" },
{ name: "Room C", id: "C" },
{ name: "Room D", id: "D" },
{ name: "Room E", id: "E" }
} = [
start: new DayPilot.Date("2017-06-24T00:00:00"),
end: new DayPilot.Date("2017-06-26T00:00:00"),
id: DayPilot.guid(),
resource: "B",
text: "One-Day Event"

Comment posted by Dan Letecky [DayPilot]
4 years ago.


Thanks for posting the solution!

You might be also able to use - just note that it's a function so in order to get the module object you need to execute it:

var module =;
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