5406352152

/*
 * Why not use the nodejs builtin assert? It needs polyfills to work in the browser.
 * With this we have a lightweight assert that doesn't need any further packages.
 * Plus, we can customize our own assert messages and handling
 */

import { RuntimeSourceError } from '../errors/runtimeSourceError'

export class AssertionError extends RuntimeSourceError {
  constructor(public readonly message: string) {
    super()
  }

  public explain(): string {
    return this.message
  }

  public elaborate(): string {
    return 'Please contact the administrators to let them know that this error has occurred'
  }
}

export default function assert(condition: boolean, message: string): asserts condition {
  if (!condition) {
    throw new AssertionError(message)
  }
}

1	/*
2	* Why not use the nodejs builtin assert? It needs polyfills to work in the browser.
3	* With this we have a lightweight assert that doesn't need any further packages.
4	* Plus, we can customize our own assert messages and handling
5	*/
6
7	import { RuntimeSourceError } from '../errors/runtimeSourceError'	68✔
8
9	export class AssertionError extends RuntimeSourceError {	68✔
10	constructor(public readonly message: string) {	×
11	super()	×
12	}
13
14	public explain(): string {
15	return this.message	×
16	}
17
18	public elaborate(): string {
19	return 'Please contact the administrators to let them know that this error has occurred'	×
20	}
21	}
22
23	export default function assert(condition: boolean, message: string): asserts condition {	68✔
24	if (!condition) {	13,370!
25	throw new AssertionError(message)	×
26	}
27	}

source-academy / js-slang / 5406352152

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