Initial commit

node_modules/fast-check/lib/check/runner/utils/PathWalker.js

@@ -0,0 +1,25 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.pathWalk = pathWalk;
+function produce(producer) {
+    return producer();
+}
+function pathWalk(path, initialProducers, shrink) {
+    const producers = initialProducers;
+    const segments = path.split(':').map((text) => +text);
+    if (segments.length === 0) {
+        return producers.map(produce);
+    }
+    if (!segments.every((v) => !Number.isNaN(v))) {
+        throw new Error(`Unable to replay, got invalid path=${path}`);
+    }
+    let values = producers.drop(segments[0]).map(produce);
+    for (const s of segments.slice(1)) {
+        const valueToShrink = values.getNthOrLast(0);
+        if (valueToShrink === null) {
+            throw new Error(`Unable to replay, got wrong path=${path}`);
+        }
+        values = shrink(valueToShrink).drop(s);
+    }
+    return values;
+}