Enable linefeed mode so newline moves cursor to column 0

remorses · remorses · commit a95af7f4c60a · 2025-11-27T15:38:37.000+01:00
Without linefeed mode enabled, \n only moves the cursor down without
returning to column 0. This causes text to display in a staggered pattern
instead of properly aligned at the left margin.

This fix sets the linefeed terminal mode to true when creating a new
terminal instance, making \n behave as expected (LF + CR).
diff --git a/patches/ghostty-wasm-api.patch b/patches/ghostty-wasm-api.patch
@@ -817,6 +817,10 @@ index 000000000..e79702488
 +    // Initialize the persistent VT stream (must be done after terminal is set)
 +    wrapper.stream = wrapper.terminal.vtStream();
 +
++    // Enable linefeed mode so \n performs carriage return (moves cursor to column 0)
++    // Without this, \n only moves down without returning to column 0, causing staggered text
++    wrapper.terminal.modes.set(.linefeed, true);
++
 +    return @ptrCast(wrapper);
 +}
 +

Original file line number	Diff line number	Diff line change
`@@ -817,6 +817,10 @@ index 000000000..e79702488`
`817`	`817`	`+ // Initialize the persistent VT stream (must be done after terminal is set)`
`818`	`818`	`+ wrapper.stream = wrapper.terminal.vtStream();`
`819`	`819`	`+`
	`820`	`++ // Enable linefeed mode so \n performs carriage return (moves cursor to column 0)`
	`821`	`++ // Without this, \n only moves down without returning to column 0, causing staggered text`
	`822`	`++ wrapper.terminal.modes.set(.linefeed, true);`
	`823`	`++`
`820`	`824`	`+ return @ptrCast(wrapper);`
`821`	`825`	`+}`
`822`	`826`	`+`