106 lines
1.4 KiB
JavaScript
Executable file
106 lines
1.4 KiB
JavaScript
Executable file
'use strict';
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const YES_MATCH_SCORE_THRESHOLD = 2;
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const NO_MATCH_SCORE_THRESHOLD = 1.25;
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const yMatch = new Map([
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[5, 0.25],
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[6, 0.25],
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[7, 0.25],
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['t', 0.75],
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['y', 1],
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['u', 0.75],
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['g', 0.25],
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['h', 0.25],
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['j', 0.25]
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]);
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const eMatch = new Map([
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[2, 0.25],
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[3, 0.25],
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[4, 0.25],
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['w', 0.75],
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['e', 1],
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['r', 0.75],
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['s', 0.25],
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['d', 0.25],
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['f', 0.25]
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]);
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const sMatch = new Map([
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['q', 0.25],
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['w', 0.25],
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['e', 0.25],
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['a', 0.75],
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['s', 1],
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['d', 0.75],
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['z', 0.25],
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['x', 0.25],
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['c', 0.25]
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]);
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const nMatch = new Map([
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['h', 0.25],
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['j', 0.25],
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['k', 0.25],
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['b', 0.75],
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['n', 1],
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['m', 0.75]
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]);
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const oMatch = new Map([
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[9, 0.25],
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[0, 0.25],
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['i', 0.75],
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['o', 1],
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['p', 0.75],
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['k', 0.25],
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['l', 0.25]
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]);
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function getYesMatchScore(value) {
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const [y, e, s] = value;
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let score = 0;
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if (yMatch.has(y)) {
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score += yMatch.get(y);
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}
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if (eMatch.has(e)) {
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score += eMatch.get(e);
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}
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if (sMatch.has(s)) {
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score += sMatch.get(s);
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}
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return score;
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}
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function getNoMatchScore(value) {
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const [n, o] = value;
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let score = 0;
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if (nMatch.has(n)) {
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score += nMatch.get(n);
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}
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if (oMatch.has(o)) {
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score += oMatch.get(o);
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}
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return score;
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}
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module.exports = (input, options) => {
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if (getYesMatchScore(input) >= YES_MATCH_SCORE_THRESHOLD) {
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return true;
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}
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if (getNoMatchScore(input) >= NO_MATCH_SCORE_THRESHOLD) {
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return false;
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}
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return options.default;
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};
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