Aktueller Stand

backend/node_modules/fast-check/lib/esm/check/precondition/Pre.js

@@ -0,0 +1,6 @@
+import { PreconditionFailure } from './PreconditionFailure.js';
+export function pre(expectTruthy) {
+    if (!expectTruthy) {
+        throw new PreconditionFailure();
+    }
+}

backend/node_modules/fast-check/lib/esm/check/precondition/PreconditionFailure.js

@@ -0,0 +1,11 @@
+export class PreconditionFailure extends Error {
+    constructor(interruptExecution = false) {
+        super();
+        this.interruptExecution = interruptExecution;
+        this.footprint = PreconditionFailure.SharedFootPrint;
+    }
+    static isFailure(err) {
+        return err != null && err.footprint === PreconditionFailure.SharedFootPrint;
+    }
+}
+PreconditionFailure.SharedFootPrint = Symbol.for('fast-check/PreconditionFailure');