Overview v2

1 files changed, 141 insertions, 0 deletions

diff --git a/config/quickshell/modules/common/functions/levendist.js b/config/quickshell/modules/common/functions/levendist.js
new file mode 100644
index 00000000..90180d21
--- /dev/null
+++ b/config/quickshell/modules/common/functions/levendist.js
@@ -0,0 +1,141 @@
+// Original code from https://github.com/koeqaife/hyprland-material-you
+// Original code license: GPLv3
+// Translated to Js from Cython with an LLM and reviewed
+
+function min3(a, b, c) {
+    return a < b && a < c ? a : b < c ? b : c;
+}
+
+function max3(a, b, c) {
+    return a > b && a > c ? a : b > c ? b : c;
+}
+
+function min2(a, b) {
+    return a < b ? a : b;
+}
+
+function max2(a, b) {
+    return a > b ? a : b;
+}
+
+function levenshteinDistance(s1, s2) {
+    let len1 = s1.length;
+    let len2 = s2.length;
+
+    if (len1 === 0) return len2;
+    if (len2 === 0) return len1;
+
+    if (len2 > len1) {
+        [s1, s2] = [s2, s1];
+        [len1, len2] = [len2, len1];
+    }
+
+    let prev = new Array(len2 + 1);
+    let curr = new Array(len2 + 1);
+
+    for (let j = 0; j <= len2; j++) {
+        prev[j] = j;
+    }
+
+    for (let i = 1; i <= len1; i++) {
+        curr[0] = i;
+        for (let j = 1; j <= len2; j++) {
+            let cost = s1[i - 1] === s2[j - 1] ? 0 : 1;
+            curr[j] = min3(prev[j] + 1, curr[j - 1] + 1, prev[j - 1] + cost);
+        }
+        [prev, curr] = [curr, prev];
+    }
+
+    return prev[len2];
+}
+
+function partialRatio(shortS, longS) {
+    let lenS = shortS.length;
+    let lenL = longS.length;
+    let best = 0.0;
+
+    if (lenS === 0) return 1.0;
+
+    for (let i = 0; i <= lenL - lenS; i++) {
+        let sub = longS.slice(i, i + lenS);
+        let dist = levenshteinDistance(shortS, sub);
+        let score = 1.0 - (dist / lenS);
+        if (score > best) best = score;
+    }
+
+    return best;
+}
+
+function computeScore(s1, s2) {
+    if (s1 === s2) return 1.0;
+
+    let dist = levenshteinDistance(s1, s2);
+    let maxLen = max2(s1.length, s2.length);
+    if (maxLen === 0) return 1.0;
+
+    let full = 1.0 - (dist / maxLen);
+    let part = s1.length < s2.length ? partialRatio(s1, s2) : partialRatio(s2, s1);
+
+    let score = 0.85 * full + 0.15 * part;
+
+    if (s1 && s2 && s1[0] !== s2[0]) {
+        score -= 0.05;
+    }
+
+    let lenDiff = Math.abs(s1.length - s2.length);
+    if (lenDiff >= 3) {
+        score -= 0.05 * lenDiff / maxLen;
+    }
+
+    let commonPrefixLen = 0;
+    let minLen = min2(s1.length, s2.length);
+    for (let i = 0; i < minLen; i++) {
+        if (s1[i] === s2[i]) {
+            commonPrefixLen++;
+        } else {
+            break;
+        }
+    }
+    score += 0.02 * commonPrefixLen;
+
+    if (s1.includes(s2) || s2.includes(s1)) {
+        score += 0.06;
+    }
+
+    return Math.max(0.0, Math.min(1.0, score));
+}
+
+function computeTextMatchScore(s1, s2) {
+    if (s1 === s2) return 1.0;
+
+    let dist = levenshteinDistance(s1, s2);
+    let maxLen = max2(s1.length, s2.length);
+    if (maxLen === 0) return 1.0;
+
+    let full = 1.0 - (dist / maxLen);
+    let part = s1.length < s2.length ? partialRatio(s1, s2) : partialRatio(s2, s1);
+
+    let score = 0.4 * full + 0.6 * part;
+
+    let lenDiff = Math.abs(s1.length - s2.length);
+    if (lenDiff >= 10) {
+        score -= 0.02 * lenDiff / maxLen;
+    }
+
+    let commonPrefixLen = 0;
+    let minLen = min2(s1.length, s2.length);
+    for (let i = 0; i < minLen; i++) {
+        if (s1[i] === s2[i]) {
+            commonPrefixLen++;
+        } else {
+            break;
+        }
+    }
+    score += 0.01 * commonPrefixLen;
+
+    if (s1.includes(s2) || s2.includes(s1)) {
+        score += 0.2;
+    }
+
+    return Math.max(0.0, Math.min(1.0, score));
+}