@codemirror/text - npm Package Compare versions

Comparing version 0.19.5 to 0.19.6

CHANGELOG.md

@@ -0,1 +1,7 @@
+## 0.19.6 (2022-01-14)
+
+### New features
+
+`findClusterBreak` now takes an optional `includeExtending` argument that determines whether it skips over extending characters.
+
 ## 0.19.5 (2021-10-26)
@@ -2,0 +8,0 @@

dist/index.d.ts

@@ -5,6 +5,7 @@ /**
 itself if no further cluster break is available in the string.
-Moves across surrogate pairs, extending characters, characters
-joined with zero-width joiners, and flag emoji.
+Moves across surrogate pairs, extending characters (when
+`includeExtending` is true), characters joined with zero-width
+joiners, and flag emoji.
 */
-declare function findClusterBreak(str: string, pos: number, forward?: boolean): number;
+declare function findClusterBreak(str: string, pos: number, forward?: boolean, includeExtending?: boolean): number;
 /**
@@ -11,0 +12,0 @@ Find the code point at the given position in a string (like the

dist/index.js

@@ -25,9 +25,10 @@ // Compressed representation of the Grapheme_Cluster_Break=Extend
 itself if no further cluster break is available in the string.
-Moves across surrogate pairs, extending characters, characters
-joined with zero-width joiners, and flag emoji.
+Moves across surrogate pairs, extending characters (when
+`includeExtending` is true), characters joined with zero-width
+joiners, and flag emoji.
 */
-function findClusterBreak(str, pos, forward = true) {
-    return (forward ? nextClusterBreak : prevClusterBreak)(str, pos);
+function findClusterBreak(str, pos, forward = true, includeExtending = true) {
+    return (forward ? nextClusterBreak : prevClusterBreak)(str, pos, includeExtending);
 }
-function nextClusterBreak(str, pos) {
+function nextClusterBreak(str, pos, includeExtending) {
     if (pos == str.length)
@@ -42,3 +43,3 @@ return pos;
         let next = codePointAt(str, pos);
-        if (prev == ZWJ || next == ZWJ || isExtendingChar(next)) {
+        if (prev == ZWJ || next == ZWJ || includeExtending && isExtendingChar(next)) {
             pos += codePointSize(next);
@@ -64,5 +65,5 @@ prev = next;
 }
-function prevClusterBreak(str, pos) {
+function prevClusterBreak(str, pos, includeExtending) {
     while (pos > 0) {
-        let found = nextClusterBreak(str, pos - 2);
+        let found = nextClusterBreak(str, pos - 2, includeExtending);
         if (found < pos)
@@ -69,0 +70,0 @@ return found;

package.json

 {
   "name": "@codemirror/text",
-  "version": "0.19.5",
+  "version": "0.19.6",
   "description": "Document data structure for the CodeMirror code editor",
@@ -5,0 +5,0 @@ "scripts": {

No alert changes

Improved metrics

Total package byte prevSize

63205

increased by0.86%

Lines of code

1570

increased by0.19%

No dependency changes