shell,wasm: rework how interop is loaded & zip crc32 fixes

data/plugins/wasm_files.lua

@@ -107,8 +107,8 @@ function RootView:draw(...)
       elseif operation.done then
         color, progress, status = style.good, 1, "File / Directory downloaded."
       else
-        color, progress = style.accent, operation.read / operation.total
-        status = string.format("(%s/%s): Zipping ", operation.read, operation.total)
+        color, progress = style.accent, 1
+        status = "Zipping "
         local filename = operation.last or "files"
         local filename_len = #filename > (POPUP_WIDTH - #status) and (POPUP_WIDTH - #status - 3) or filename
         status = status .. (#filename > (POPUP_WIDTH - #status) and ("..." .. filename:sub(-filename_len, -1)) or filename)

meson.build

@@ -70,7 +70,7 @@ elif host_machine.system() == 'emscripten'
         '-s', 'ASYNCIFY=1',
         '-s', 'ENVIRONMENT=web,worker',
         '-s', 'EXIT_RUNTIME=1',
-        '-s', 'EXPORTED_FUNCTIONS=_main',
+        '-s', 'EXPORTED_FUNCTIONS=_main,_wasm_promise_update_handler',
         '-s', 'FILESYSTEM=1',
         '-s', 'FORCE_FILESYSTEM=1',
         '-s', 'IGNORE_MISSING_MAIN=0',
@@ -81,7 +81,7 @@ elif host_machine.system() == 'emscripten'
         '-s', 'SUPPORT_BIG_ENDIAN=1',
         '-s', 'WASM=1',
         '-s', 'MALLOC=emmalloc',
-        '-s', 'EXPORTED_RUNTIME_METHODS=FS,ENV,IDBFS',
+        '-s', 'EXPORTED_RUNTIME_METHODS=FS,ENV,IDBFS,cwrap',
         '-lidbfs.js',
         '--minify', '0',
         '--pre-js', meson.current_source_dir() / 'src' / 'pre.js',