Allow underscored attribute

Fixes #4
Rich-Harris · Jul 24, 2019 · 6336fd1 · 6336fd1
1 parent 6bb5fe8
commit 6336fd1
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Showing 3 changed files with 15 additions and 1 deletion.
diff --git a/src/index.js b/src/index.js
@@ -1,6 +1,6 @@
 import { locate } from 'locate-character';
 
-const validNameCharacters = /[a-zA-Z0-9:-]/;
+const validNameCharacters = /[a-zA-Z0-9:_-]/;
 const whitespace = /[\s\t\r\n]/;
 const quotemark = /['"]/;
 

diff --git a/test/samples/underscored-attribute/input.svg b/test/samples/underscored-attribute/input.svg
diff --git a/test/samples/underscored-attribute/output.json b/test/samples/underscored-attribute/output.json
@@ -0,0 +1,13 @@
+{
+	"type": "root",
+	"children": [
+		{
+			"type": "element",
+			"tagName": "g",
+			"properties": {
+				"data-old_color": "red"
+			},
+			"children": []
+		}
+	]
+}