javascript - How to ignore "Cannot find name 'M' " error in typescript? - Stack Overflow

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I'm integrating a pure javascript library(materialize.js) with my angular typescript app. While activating the sidenav, I need to use the code.

M.Sidenav.init(document.querySelector('.sidenav'), [])

This works, and the sidenav is initiated, however, since I didn't define any M anywhere in the typescript file, the angular piler raises an error

ERROR in src/app/appponent.ts(34,5): error TS2304: Cannot find name 'M'.

Is there any way I can make typescript ignore this error, or in any way, fix it?

I'm integrating a pure javascript library(materialize.js) with my angular typescript app. While activating the sidenav, I need to use the code.

M.Sidenav.init(document.querySelector('.sidenav'), [])

This works, and the sidenav is initiated, however, since I didn't define any M anywhere in the typescript file, the angular piler raises an error

ERROR in src/app/app.ponent.ts(34,5): error TS2304: Cannot find name 'M'.

Is there any way I can make typescript ignore this error, or in any way, fix it?

• javascript
• node.js
• angular
• typescript
• materialize

Share Improve this question Follow asked Nov 4, 2018 at 3:29 Dustbin Saves youDustbin Saves you 12611 silver badge88 bronze badges 3

• what is M suppose to be? if M is materialize.js, you will need to import it using require()/import – Mox Commented Nov 4, 2018 at 3:31
• use 'declare const M'; Also make sure library script file is included and imported. – Suresh Kumar Ariya Commented Nov 4, 2018 at 4:23
• Thanks! I using 'declare const M' solved the problem – Dustbin Saves you Commented Nov 8, 2018 at 8:20

Add a ment  | 

1 Answer 1

Sorted by: Reset to default 9

You can follow these steps

npm install --save materialize-css 

npm install --save @types/materialize-css

declare const M;

import { SideNav } from "materialize-css";

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