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backend/node_modules/fast-check/lib/esm/arbitrary/oneof.js

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+import { isArbitrary } from '../check/arbitrary/definition/Arbitrary.js';
+import { safeMap, safeSlice } from '../utils/globals.js';
+import { FrequencyArbitrary } from './_internals/FrequencyArbitrary.js';
+function isOneOfContraints(param) {
+    return (param != null &&
+        typeof param === 'object' &&
+        !('generate' in param) &&
+        !('arbitrary' in param) &&
+        !('weight' in param));
+}
+function toWeightedArbitrary(maybeWeightedArbitrary) {
+    if (isArbitrary(maybeWeightedArbitrary)) {
+        return { arbitrary: maybeWeightedArbitrary, weight: 1 };
+    }
+    return maybeWeightedArbitrary;
+}
+function oneof(...args) {
+    const constraints = args[0];
+    if (isOneOfContraints(constraints)) {
+        const weightedArbs = safeMap(safeSlice(args, 1), toWeightedArbitrary);
+        return FrequencyArbitrary.from(weightedArbs, constraints, 'fc.oneof');
+    }
+    const weightedArbs = safeMap(args, toWeightedArbitrary);
+    return FrequencyArbitrary.from(weightedArbs, {}, 'fc.oneof');
+}
+export { oneof };