fix: fixes #367

benjamine · benjamine · commit 0252b2825c77 · 2025-03-27T21:49:35.000-03:00
diff --git a/packages/jsondiffpatch/src/formatters/html.ts b/packages/jsondiffpatch/src/formatters/html.ts
@@ -30,7 +30,10 @@ class HtmlFormatter extends BaseFormatter<HtmlFormatterContext> {
   }
 
   formatValue(context: HtmlFormatterContext, value: unknown) {
-    context.out(`<pre>${htmlEscape(JSON.stringify(value, null, 2))}</pre>`);
+    const valueAsHtml = typeof value === "undefined"
+      ? "undefined"
+      : htmlEscape(JSON.stringify(value, null, 2));
+    context.out(`<pre>${valueAsHtml}</pre>`);
   }
 
   formatTextDiffString(context: HtmlFormatterContext, value: string) {

Original file line number	Diff line number	Diff line change
`@@ -30,7 +30,10 @@ class HtmlFormatter extends BaseFormatter<HtmlFormatterContext> {`
`30`	`30`	`}`
`31`	`31`
`32`	`32`	`formatValue(context: HtmlFormatterContext, value: unknown) {`
`33`		- context.out(`<pre>${htmlEscape(JSON.stringify(value, null, 2))}</pre>`);
	`33`	`+ const valueAsHtml = typeof value === "undefined"`
	`34`	`+ ? "undefined"`
	`35`	`+ : htmlEscape(JSON.stringify(value, null, 2));`
	`36`	+ context.out(`<pre>${valueAsHtml}</pre>`);
`34`	`37`	`}`
`35`	`38`
`36`	`39`	`formatTextDiffString(context: HtmlFormatterContext, value: string) {`