fix(nitro) fix sourcemaps and JSSink closing (#5422)

* fix JSSink progress on sourcemap checking

* fix sourcemaps

* update JSSink fix

* undo + tests

---------

Co-authored-by: Jarred Sumner <jarred@jarredsumner.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/sourcemap/sourcemap.zig b/src/sourcemap/sourcemap.zig
index 411e8523d..a274c0d94 100644
--- a/src/sourcemap/sourcemap.zig
+++ b/src/sourcemap/sourcemap.zig
@@ -940,7 +940,7 @@ pub const LineOffsetTable = struct {
                         contents.ptr,
                     )) - line_byte_offset),
                 );
-                byte_offset_to_first_non_ascii = line_byte_offset;
+                byte_offset_to_first_non_ascii = column_byte_offset;
             }
 
             // Update the per-byte column offsets
@@ -1405,7 +1405,7 @@ pub const Chunk = struct {
                 // Use the line to compute the column
                 var original_column = loc.start - @as(i32, @intCast(line.byte_offset_to_start_of_line));
                 if (line.columns_for_non_ascii.len > 0 and original_column >= @as(i32, @intCast(line.byte_offset_to_first_non_ascii))) {
-                    original_column = line.columns_for_non_ascii.ptr[@as(u32, @intCast(original_column)) - line.byte_offset_to_first_non_ascii];
+                    original_column = line.columns_for_non_ascii.slice()[@as(u32, @intCast(original_column)) - line.byte_offset_to_first_non_ascii];
                 }
 
                 b.updateGeneratedLineAndColumn(output);