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This is my Owl component in Odoo 15. It is meant to load chart lib from CDN.

/** @odoo-module **/

import { loadAssets } from "@web/core/assets"; //not working.
import { loadJS } from "@web/core/assets"; //not working.
import { registry } from "@web/core/registry"
import { useService } from "@web/core/utils/hooks";

const { Component } = owl;
const { onWillStart, useRef, onMounted } = owl.hooks;

export class ChartRenderer extends Component {
setup(){
this.chartRef = useRef("chart")
onWillStart(async ()=>{
await loadJS("https://cdnjs.cloudflare.com/ajax/libs/Chart.js/4.4.0/chart.umd.min.js")
//await loadAssets("/web/static/lib/Chart/Chart.js")
})
onMounted(()=>this.renderChart())
}
renderChart(){
//body
}
}

ChartRenderer.template = "my_module.ChartRenderer"

Upon loading the module, both loadJS() and loadAssets() within onWillStart function are throwing errors.

loadJS() error: 

"UncaughtPromiseError > ReferenceError

Uncaught Promise > loadJS is not defined.....


===========================
loadAssets() error: 

UncaughtPromiseError > TypeError

Uncaught Promise > Cannot use 'in' operator to search for 'bundles' in /web/static/lib/Chart/Chart.js.......


What am I not doing correctly? What is the correct way to load JS library within an Owl component?

Thanks.


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Beste Antwort

Hi,

You can directly provide the link of the js library in your manifest in the asset keyeg:'assets':
        {'web.assets_backend': [
                                'https://cdn.jsdelivr.net/npm/chart.js',]},


Hope it helps

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Autor Beste Antwort

Amazing! It works. Thanks @Cybrosys. 

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