| 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | function compact(a) {
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| 4 | return a.filter((a) => Boolean(a));
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| 5 | }
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| 6 | exports.compact = compact;
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| 7 | function uniqBy(arr, fn) {
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| 8 | return arr.filter((a, i) => {
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| 9 | const aVal = fn(a);
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| 10 | return !arr.find((b, j) => j > i && fn(b) === aVal);
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| 11 | });
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| 12 | }
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| 13 | exports.uniqBy = uniqBy;
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| 14 | function sortBy(arr, fn) {
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| 15 | function compare(a, b) {
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| 16 | a = a === undefined ? 0 : a;
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| 17 | b = b === undefined ? 0 : b;
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| 18 | if (Array.isArray(a) && Array.isArray(b)) {
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| 19 | if (a.length === 0 && b.length === 0)
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| 20 | return 0;
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| 21 | const diff = compare(a[0], b[0]);
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| 22 | if (diff !== 0)
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| 23 | return diff;
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| 24 | return compare(a.slice(1), b.slice(1));
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| 25 | }
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| 26 | if (a < b)
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| 27 | return -1;
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| 28 | if (a > b)
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| 29 | return 1;
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| 30 | return 0;
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| 31 | }
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| 32 | return arr.sort((a, b) => compare(fn(a), fn(b)));
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| 33 | }
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| 34 | exports.sortBy = sortBy;
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