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authorlittleblack111 <littleblack11111@gmail.com>2023-10-14 20:57:16 +0800
committerlittleblack111 <littleblack11111@gmail.com>2023-10-14 20:57:16 +0800
commit924a88fab5466307aba0b76d36b30ab06b11dcb5 (patch)
tree088b6e0beeef92d55e2b2ca523af3501b27a2830 /node_modules/source-map/lib/binary-search.js
parenta240fe4a4810b7f0c678a8519832fa37afaad265 (diff)
updates
Diffstat (limited to 'node_modules/source-map/lib/binary-search.js')
-rw-r--r--node_modules/source-map/lib/binary-search.js34
1 files changed, 15 insertions, 19 deletions
diff --git a/node_modules/source-map/lib/binary-search.js b/node_modules/source-map/lib/binary-search.js
index 010ac941..d6f898ea 100644
--- a/node_modules/source-map/lib/binary-search.js
+++ b/node_modules/source-map/lib/binary-search.js
@@ -31,13 +31,12 @@ function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) {
//
// 3. We did not find the exact element, and there is no next-closest
// element than the one we are searching for, so we return -1.
- var mid = Math.floor((aHigh - aLow) / 2) + aLow;
- var cmp = aCompare(aNeedle, aHaystack[mid], true);
+ const mid = Math.floor((aHigh - aLow) / 2) + aLow;
+ const cmp = aCompare(aNeedle, aHaystack[mid], true);
if (cmp === 0) {
// Found the element we are looking for.
return mid;
- }
- else if (cmp > 0) {
+ } else if (cmp > 0) {
// Our needle is greater than aHaystack[mid].
if (aHigh - mid > 1) {
// The element is in the upper half.
@@ -48,24 +47,21 @@ function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) {
// we are in termination case (3) or (2) and return the appropriate thing.
if (aBias == exports.LEAST_UPPER_BOUND) {
return aHigh < aHaystack.length ? aHigh : -1;
- } else {
- return mid;
}
+ return mid;
}
- else {
- // Our needle is less than aHaystack[mid].
- if (mid - aLow > 1) {
- // The element is in the lower half.
- return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias);
- }
- // we are in termination case (3) or (2) and return the appropriate thing.
- if (aBias == exports.LEAST_UPPER_BOUND) {
- return mid;
- } else {
- return aLow < 0 ? -1 : aLow;
- }
+ // Our needle is less than aHaystack[mid].
+ if (mid - aLow > 1) {
+ // The element is in the lower half.
+ return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias);
+ }
+
+ // we are in termination case (3) or (2) and return the appropriate thing.
+ if (aBias == exports.LEAST_UPPER_BOUND) {
+ return mid;
}
+ return aLow < 0 ? -1 : aLow;
}
/**
@@ -91,7 +87,7 @@ exports.search = function search(aNeedle, aHaystack, aCompare, aBias) {
return -1;
}
- var index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack,
+ let index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack,
aCompare, aBias || exports.GREATEST_LOWER_BOUND);
if (index < 0) {
return -1;