17 lines
332 B
Text
17 lines
332 B
Text
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// finalize
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function finalize(deepArr) {
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return Object.freeze(deepArr);
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}
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// flattenToSet
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function flattenToSet(arr) {
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const result = new Set();
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const stack = [arr];
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while (stack.length > 0) {
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for (const el of stack.pop()) {
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if (Array.isArray(el)) stack.push(el);else result.add(el);
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}
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}
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return result;
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}
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