fast-check
Version:
Property based testing framework for JavaScript (like QuickCheck)
24 lines (23 loc) • 847 B
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.pathWalk = void 0;
const Stream_1 = require("../../../stream/Stream");
function pathWalk(path, initialValues) {
let values = Stream_1.stream(initialValues);
const segments = path.split(':').map((text) => +text);
if (segments.length === 0)
return values;
if (!segments.every((v) => !Number.isNaN(v))) {
throw new Error(`Unable to replay, got invalid path=${path}`);
}
values = values.drop(segments[0]);
for (const s of segments.slice(1)) {
const valueToShrink = values.getNthOrLast(0);
if (valueToShrink == null) {
throw new Error(`Unable to replay, got wrong path=${path}`);
}
values = valueToShrink.shrink().drop(s);
}
return values;
}
exports.pathWalk = pathWalk;