Last change
on this file since 6fe77af was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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Property mode
set to
100644
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File size:
715 bytes
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[6a3a178] | 1 | "use strict";
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| 2 |
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| 3 | Object.defineProperty(exports, "__esModule", {
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| 4 | value: true
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| 5 | });
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| 6 | exports.findSuggestion = findSuggestion;
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| 7 | const {
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| 8 | min
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| 9 | } = Math;
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| 10 |
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| 11 | function levenshtein(a, b) {
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| 12 | let t = [],
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| 13 | u = [],
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| 14 | i,
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| 15 | j;
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| 16 | const m = a.length,
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| 17 | n = b.length;
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| 18 |
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| 19 | if (!m) {
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| 20 | return n;
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| 21 | }
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| 22 |
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| 23 | if (!n) {
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| 24 | return m;
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| 25 | }
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| 26 |
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| 27 | for (j = 0; j <= n; j++) {
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| 28 | t[j] = j;
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| 29 | }
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| 30 |
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| 31 | for (i = 1; i <= m; i++) {
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| 32 | for (u = [i], j = 1; j <= n; j++) {
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| 33 | u[j] = a[i - 1] === b[j - 1] ? t[j - 1] : min(t[j - 1], t[j], u[j - 1]) + 1;
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| 34 | }
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| 35 |
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| 36 | t = u;
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| 37 | }
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| 38 |
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| 39 | return u[n];
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| 40 | }
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| 41 |
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| 42 | function findSuggestion(str, arr) {
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| 43 | const distances = arr.map(el => levenshtein(el, str));
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| 44 | return arr[distances.indexOf(min(...distances))];
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| 45 | } |
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