string-width - npm Package Compare versions

Comparing version 8.2.1 to 8.2.2

index.js

@@ -8,3 +8,3 @@ import stripAnsi from 'strip-ansi';
 - Width rules:
-	1. Skip non-printing clusters (Default_Ignorable, Control, pure Mark, lone Surrogates). Tabs are ignored by design.
+	1. Skip non-printing clusters (Default_Ignorable, Control, pure nonspacing/enclosing Mark, lone Surrogates). Tabs are ignored by design.
 	2. RGI emoji clusters (\p{RGI_Emoji}) are double-width.
@@ -14,3 +14,3 @@ 3. Minimally-qualified/unqualified emoji clusters (ZWJ sequences with 2+ Extended_Pictographic, or keycap sequences) are double-width.
 	   Unmatched repeated leading/vowel/trailing jamo stay additive because that matches how the terminals we target render them.
-	5. Otherwise use East Asian Width of the cluster's first visible code point, and add widths for trailing Halfwidth/Fullwidth Forms within the same cluster (e.g., dakuten/handakuten/prolonged sound mark).
+	5. Otherwise use East Asian Width of the cluster's first visible code point, and add widths for trailing spacing marks and Halfwidth/Fullwidth Forms within the same cluster (e.g., dakuten/handakuten/prolonged sound mark).
 */
@@ -21,6 +21,7 @@
 // Whole-cluster zero-width
-const zeroWidthClusterRegex = /^(?:\p{Default_Ignorable_Code_Point}|\p{Control}|\p{Format}|\p{Mark}|\p{Surrogate})+$/v;
+const zeroWidthClusterRegex = /^(?:\p{Default_Ignorable_Code_Point}|\p{Control}|\p{Format}|\p{Nonspacing_Mark}|\p{Enclosing_Mark}|\p{Surrogate})+$/v;
 
 // Pick the base scalar if the cluster starts with Prepend/Format/Marks
-const leadingNonPrintingRegex = /^[\p{Default_Ignorable_Code_Point}\p{Control}\p{Format}\p{Mark}\p{Surrogate}]+/v;
+const leadingNonPrintingRegex = /^[\p{Default_Ignorable_Code_Point}\p{Control}\p{Format}\p{Nonspacing_Mark}\p{Enclosing_Mark}\p{Surrogate}]+/v;
+const spacingMarkRegex = /\p{Spacing_Mark}/v;
 
@@ -131,3 +132,3 @@ // RGI emoji sequences
 
-function trailingHalfwidthWidth(visibleSegment, eastAsianWidthOptions) {
+function trailingWidth(visibleSegment, eastAsianWidthOptions) {
 	let extra = 0;
@@ -142,3 +143,6 @@ let first = true;
 
-		if (character >= '\uFF00' && character <= '\uFFEF') {
+		if (
+			spacingMarkRegex.test(character)
+			|| (character >= '\uFF00' && character <= '\uFFEF')
+		) {
 			extra += eastAsianWidth(character.codePointAt(0), eastAsianWidthOptions);
@@ -203,4 +207,4 @@ }
 
-		// Add width for trailing Halfwidth and Fullwidth Forms (e.g., ﾞ, ﾟ, ｰ)
-		width += trailingHalfwidthWidth(visibleSegment, eastAsianWidthOptions);
+		// Add width for trailing spacing marks and Halfwidth/Fullwidth Forms (e.g., ﾞ, ﾟ, ｰ)
+		width += trailingWidth(visibleSegment, eastAsianWidthOptions);
 	}
@@ -207,0 +211,0 @@

package.json

 {
 	"name": "string-width",
-	"version": "8.2.1",
+	"version": "8.2.2",
 	"description": "Get the visual width of a string - the number of columns required to display it",
@@ -5,0 +5,0 @@ "license": "MIT",

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Improved metrics

Total package byte prevSize

11733

1.63%

Lines of code

193

2.12%

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