diff --git a/src/worker/WorkerAbstract.ts b/src/worker/WorkerAbstract.ts index 5e5e6fdbe..cd4dedf99 100644 --- a/src/worker/WorkerAbstract.ts +++ b/src/worker/WorkerAbstract.ts @@ -22,10 +22,13 @@ export abstract class WorkerAbstract { */ constructor(workerScript: string, workerOptions: WorkerOptions) { if (workerScript == null) { - throw new Error('Worker script is not defined'); + throw new TypeError('Worker script is not defined'); } - if (typeof workerScript === 'string' && workerScript.trim().length === 0) { - throw new Error('Worker script is empty'); + if (typeof workerScript !== 'string') { + throw new TypeError('Worker script must be a string'); + } + if (workerScript.trim().length === 0) { + throw new Error('Worker script is an empty string'); } if (!existsSync(workerScript)) { throw new Error('Worker script file does not exist');