Make core:image packages work on js platform (wasm32) by not requiring core:os

core/image/tga/tga_os.odin

@@ -0,0 +1,34 @@
+//+build !js
+package tga
+
+import "core:os"
+import "core:bytes"
+
+save :: proc{save_to_memory, save_to_file}
+
+save_to_file :: proc(output: string, img: ^Image, options := Options{}, allocator := context.allocator) -> (err: Error) {
+	context.allocator = allocator
+
+	out := &bytes.Buffer{}
+	defer bytes.buffer_destroy(out)
+
+	save_to_memory(out, img, options) or_return
+	write_ok := os.write_entire_file(output, out.buf[:])
+
+	return nil if write_ok else .Unable_To_Write_File
+}
+
+load :: proc{load_from_file, load_from_bytes, load_from_context}
+
+load_from_file :: proc(filename: string, options := Options{}, allocator := context.allocator) -> (img: ^Image, err: Error) {
+	context.allocator = allocator
+
+	data, ok := os.read_entire_file(filename)
+	defer delete(data)
+
+	if ok {
+		return load_from_bytes(data, options)
+	} else {
+		return nil, .Unable_To_Read_File
+	}
+}