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How to deal with TypeError: WebAssembly.instantiate(): Import #0 module="a" error: module is not an object or function? #13806

@linuxaged

Description

@linuxaged

the link option i use:

target_link_options(${PROJECT_NAME} PRIVATE "SHELL:-s TOTAL_MEMORY=64MB -s ASSERTIONS=1 -s ALLOW_MEMORY_GROWTH=1 -s EXPORTED_FUNCTIONS='[\"_main\",\"_BonApi_getSteps\",\"_BonApi_step\",\"_BonApi_viewLeft\",\"_BonApi_viewRight\",\"_BonApi_viewFront\",\"_BonApi_viewBack\",\"_BonApi_viewTop\",\"_BonApi_viewBottom\",\"_BonApi_setJawUpVisible\",\"_BonApi_setJawLowVisible\",\"_BonApi_setGumVisible\",\"_BonApi_setAttachmentVisible\",\"_BonApi_setOriginalToothVisible\",\"_BonApi_setGridVisible\",\"_BonApi_setIprVisible\",\"_BonApi_getMovements\",\"_BonApi_setViewport\",\"_BonApi_loadBonV_wasm\"]'")

the html:

<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8" />
  <title>Magnum Emscripten Application</title>
  <link rel="stylesheet" href="WebApplication.css" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
</head>
<body>
  <h1>Magnum Emscripten Application</h1>
  <div id="container">
    <div id="sizer"><div id="expander"><div id="listener">
      <canvas id="canvas"></canvas>
      <div id="status">Initialization...</div>
      <div id="status-description"></div>
      <script type="text/javascript">
        function BonVProgress(argument){}
        function RendererInited(argument){}
        function BonVInvalid(argument){}
      </script>
      <script src="EmscriptenApplication.js"></script>
      <script async="async" src="BonViewer.js"></script>
    </div></div></div>
  </div>
</body>
</html>

full error:

wasm streaming compile failed: TypeError: WebAssembly.instantiate(): Import #0 module="a" error: module is not an object or function
printErr @ EmscriptenApplication.js:35
(匿名) @ BonViewer.js:1
EmscriptenApplication.js:35 falling back to ArrayBuffer instantiation
printErr @ EmscriptenApplication.js:35
(匿名) @ BonViewer.js:1
EmscriptenApplication.js:35 failed to asynchronously prepare wasm: TypeError: WebAssembly.instantiate(): Import #0 module="a" error: module is not an object or function
printErr @ EmscriptenApplication.js:35
(匿名) @ BonViewer.js:1
EmscriptenApplication.js:35 TypeError: WebAssembly.instantiate(): Import #0 module="a" error: module is not an object or function
printErr @ EmscriptenApplication.js:35
abort @ BonViewer.js:1
(匿名) @ BonViewer.js:1
BonViewer.js:1 Uncaught (in promise) RuntimeError: abort(TypeError: WebAssembly.instantiate(): Import #0 module="a" error: module is not an object or function) at Error
    at jsStackTrace (http://localhost:8080/BonViewer.js:1:26096)
    at stackTrace (http://localhost:8080/BonViewer.js:1:26272)
    at abort (http://localhost:8080/BonViewer.js:1:20823)
    at http://localhost:8080/BonViewer.js:1:23325
    at abort (http://localhost:8080/BonViewer.js:1:20854)
    at http://localhost:8080/BonViewer.js:1:23325
abort @ BonViewer.js:1
(匿名) @ BonViewer.js:1

PS. HOW do you choose a nonsense name "a"???

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