Typescript definitions for the old Ext JS 3.4.0 library, if anyone is ever crazy enough to want to use it with TypeScript.

How to use

Install typings:

npm i https://github.com/emptyother/types-extjs3/ --save-dev

Example creating a new class from Ext components:

export class MyWindow extends Ext.Window {
	private textfield = new Ext.form.TextField({
		fieldLabel: 'My text field',
		listeners: {
			keyup: (cmp: Ext.form.TextField, e: Ext.EventObject) => {}
		}
	});
	constructor(cfg: Ext.IPanel = {}) {
		// TS insist that super should be called before everything else
		// so you can't use "this" references inside it.
		super({
			title: 'My title',
			layout: 'form',
			...cfg,
		});
		// TS compiler inserts property initializers here:
		// this.textfield = ...

		// So now we can add our children.
		this.add([
			this.textfield,
		]);
	}
	protected initComponent() {
		// Warning:
		// The super() in the constructor calls initComponent before
		// this.textfield has been initialized, so we can't do stuff here.
	}
}

TODO

There is a lot missing, as i added definitions as i needed them.

• Add event listener definitions.
• Rename configuration interface definitions from (using the IPanel as an example) Ext.IPanel to Ext.PanelCfg.