v6

node_modules/yn/lenient.js

@@ -0,0 +1,105 @@
+'use strict';
+
+const YES_MATCH_SCORE_THRESHOLD = 2;
+const NO_MATCH_SCORE_THRESHOLD = 1.25;
+
+const yMatch = new Map([
+	[5, 0.25],
+	[6, 0.25],
+	[7, 0.25],
+	['t', 0.75],
+	['y', 1],
+	['u', 0.75],
+	['g', 0.25],
+	['h', 0.25],
+	['j', 0.25]
+]);
+
+const eMatch = new Map([
+	[2, 0.25],
+	[3, 0.25],
+	[4, 0.25],
+	['w', 0.75],
+	['e', 1],
+	['r', 0.75],
+	['s', 0.25],
+	['d', 0.25],
+	['f', 0.25]
+]);
+
+const sMatch = new Map([
+	['q', 0.25],
+	['w', 0.25],
+	['e', 0.25],
+	['a', 0.75],
+	['s', 1],
+	['d', 0.75],
+	['z', 0.25],
+	['x', 0.25],
+	['c', 0.25]
+]);
+
+const nMatch = new Map([
+	['h', 0.25],
+	['j', 0.25],
+	['k', 0.25],
+	['b', 0.75],
+	['n', 1],
+	['m', 0.75]
+]);
+
+const oMatch = new Map([
+	[9, 0.25],
+	[0, 0.25],
+	['i', 0.75],
+	['o', 1],
+	['p', 0.75],
+	['k', 0.25],
+	['l', 0.25]
+]);
+
+function getYesMatchScore(value) {
+	const [y, e, s] = value;
+	let score = 0;
+
+	if (yMatch.has(y)) {
+		score += yMatch.get(y);
+	}
+
+	if (eMatch.has(e)) {
+		score += eMatch.get(e);
+	}
+
+	if (sMatch.has(s)) {
+		score += sMatch.get(s);
+	}
+
+	return score;
+}
+
+function getNoMatchScore(value) {
+	const [n, o] = value;
+	let score = 0;
+
+	if (nMatch.has(n)) {
+		score += nMatch.get(n);
+	}
+
+	if (oMatch.has(o)) {
+		score += oMatch.get(o);
+	}
+
+	return score;
+}
+
+module.exports = (input, options) => {
+	if (getYesMatchScore(input) >= YES_MATCH_SCORE_THRESHOLD) {
+		return true;
+	}
+
+	if (getNoMatchScore(input) >= NO_MATCH_SCORE_THRESHOLD) {
+		return false;
+	}
+
+	return options.default;
+};