Remove direct eval in pyodide.asm.js and minify setupEmscripten.

This replaces direct eval in pyodide.asm.js with indirect eval, see
comment in the commit.

src/pyodide/BUILD.bazel

@@ -128,6 +128,20 @@ REPLACEMENTS = [
  "crypto.getRandomValues(",
  "getRandomValues(Module, ",
  ],
+ [
+ # Direct eval disallowed in esbuild, see:
+ # https://esbuild.github.io/content-types/#direct-eval
+ "eval(func)",
+ "(() => {throw new Error('Internal Emscripten code tried to eval, this should not happen, please file a bug report with your requirements.txt file\\'s contents')})()",
+ ],
+ [
+ "eval(data)",
+ "(() => {throw new Error('Internal Emscripten code tried to eval, this should not happen, please file a bug report with your requirements.txt file\\'s contents')})()",
+ ],
+ [
+ "eval(UTF8ToString(ptr))",
+ "(() => {throw new Error('Internal Emscripten code tried to eval, this should not happen, please file a bug report with your requirements.txt file\\'s contents')})()",
+ ],
 ]
 
 PYODIDE_BUCKET_MODULE = json.encode({