Revisions to Compiling Unity to WebGL gives a Node ESM module error

added 534 characters in body

Source Link

edited Mar 25, 2024 at 17:26

41
4

EDIT 2: I commented out the return statement:

file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:2
  fs: require("fs"),
      ^

ReferenceError: require is not defined
    at file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:2:7
    at ModuleJob.run (internal/modules/esm/module_job.js:137:37)
    at async Loader.import (internal/modules/esm/loader.js:179:24)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)
```

EDIT 2: I commented out the return statement:

file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:2
  fs: require("fs"),
      ^

ReferenceError: require is not defined
    at file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:2:7
    at ModuleJob.run (internal/modules/esm/module_job.js:137:37)
    at async Loader.import (internal/modules/esm/loader.js:179:24)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)
```

added 337 characters in body

Source Link

edited Mar 25, 2024 at 16:54

kalilamodow

41
4

I'm trying to build my multiplayer game to WebGL in Unity (using Mirror). However, when I press "build", it gives me the following three errors:

Building Builds\Web\index.html failed with output:
(node:78892) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

Building Builds\Web\Build\Web.loader.js failed with output:
(node:80608) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

Building Builds\Web\TemplateData\style.css failed with output:
(node:83572) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

I've tried Googling it, but I couldn't find anything other than this post which didn't really help me at all.

OS: Windows 11
Unity version: 2022.3.4f1
Node.JS version (I'm not sure if it really matters): 20.8.1

EDIT: I looked in "Preprocess.js" to see where the error was and it looks like it was here:

if (!locals.outputPath) {
  console.log(JSON.stringify(Object.keys(locals.variables)));
  return;
}

There's just a return in the global scope... Not sure if this has to do with anything but I thought it might be helpful

I'm trying to build my multiplayer game to WebGL in Unity (using Mirror). However, when I press "build", it gives me the following three errors:

Building Builds\Web\index.html failed with output:
(node:78892) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

Building Builds\Web\Build\Web.loader.js failed with output:
(node:80608) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

Building Builds\Web\TemplateData\style.css failed with output:
(node:83572) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

I've tried Googling it, but I couldn't find anything other than this post which didn't really help me at all.

OS: Windows 11
Unity version: 2022.3.4f1
Node.JS version (I'm not sure if it really matters): 20.8.1

I'm trying to build my multiplayer game to WebGL in Unity (using Mirror). However, when I press "build", it gives me the following three errors:

Building Builds\Web\index.html failed with output:
(node:78892) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

Building Builds\Web\Build\Web.loader.js failed with output:
(node:80608) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

Building Builds\Web\TemplateData\style.css failed with output:
(node:83572) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

I've tried Googling it, but I couldn't find anything other than this post which didn't really help me at all.

OS: Windows 11
Unity version: 2022.3.4f1
Node.JS version (I'm not sure if it really matters): 20.8.1

EDIT: I looked in "Preprocess.js" to see where the error was and it looks like it was here:

if (!locals.outputPath) {
  console.log(JSON.stringify(Object.keys(locals.variables)));
  return;
}

There's just a return in the global scope... Not sure if this has to do with anything but I thought it might be helpful

added 27 characters in body; edited tags

Source Link

edited Mar 25, 2024 at 16:33

kalilamodow

41
4

I'm trying to build my multiplayer game to WebGL in Unity (using Mirror). However, when I press "build", it gives me the following three errors:

Building Builds\Web\index.html failed with output:
(node:78892) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

Building Builds\Web\Build\Web.loader.js failed with output:
(node:80608) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

Building Builds\Web\TemplateData\style.css failed with output:
(node:83572) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

I've tried Googling it, but I couldn't find anything other than this post which didn't really help me at all.

OS: Windows 11
Unity version: 2022.3.4f1
Node.JS version (I'm not sure if it really matters): 20.8.1

I'm trying to build my game to WebGL in Unity. However, when I press "build", it gives me the following three errors:

Building Builds\Web\index.html failed with output:
(node:78892) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

Building Builds\Web\Build\Web.loader.js failed with output:
(node:80608) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

Building Builds\Web\TemplateData\style.css failed with output:
(node:83572) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

I've tried Googling it, but I couldn't find anything other than this post which didn't really help me at all.

OS: Windows 11
Unity version: 2022.3.4f1
Node.JS version (I'm not sure if it really matters): 20.8.1

I'm trying to build my multiplayer game to WebGL in Unity (using Mirror). However, when I press "build", it gives me the following three errors:

Building Builds\Web\index.html failed with output:
(node:78892) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

Building Builds\Web\Build\Web.loader.js failed with output:
(node:80608) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

Building Builds\Web\TemplateData\style.css failed with output:
(node:83572) ExperimentalWarning: The ESM module loader is experimental.
file:///[unity install dir]/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Preprocess.js:91
  return;
  ^^^^^^

SyntaxError: Illegal return statement
    at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
    at async link (internal/modules/esm/module_job.js:41:21)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

I've tried Googling it, but I couldn't find anything other than this post which didn't really help me at all.

OS: Windows 11
Unity version: 2022.3.4f1
Node.JS version (I'm not sure if it really matters): 20.8.1

deleted 172 characters in body

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edited Mar 25, 2024 at 6:10

kalilamodow

41
4

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asked Mar 25, 2024 at 6:08

kalilamodow

41
4

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