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The content of this section is derived from the content of the following links and is subject to the CC BY 4.0 license.

• https://webpack.js.org/configuration/node/

The following contents can be assumed to be the result of modifications and deletions based on the original contents if not specifically stated.

Node#

The following Node.js options configure whether to polyfill or mock certain Node.js globals.

node.global#

• Type: boolean 'warn'
• Default: 'warn'

See the Node.js documentation for the exact behavior of this object.

Options:

• true: Provide a polyfill.
• false: Provide nothing. Code that expects this object may crash with a ReferenceError.
• 'warn': Show a warning when using global.

node.__filename#

• Type: boolean 'mock' | 'warn-mock' | 'eval-only'
• Default: 'warn-mock', 'node-module' when output.module is enabled

Options:

• true: The filename of the input file relative to the context option.
• false: Rspack won't touch your __filename code, which means you have the regular Node.js __filename behavior. The filename of the output file when run in a Node.js environment.
• 'mock': The fixed value '/index.js'.
• 'warn-mock': Use the fixed value of '/index.js' but show a warning.
• 'node-module': Replace __filename in CommonJS modules to fileURLToPath(import.meta.url) when output.module is enabled.
• 'eval-only': Equivalent to false.

node.__dirname#

• Type: boolean 'mock' | 'warn-mock' | 'eval-only'
• Default: 'warn-mock', 'node-module' when output.module is enabled

Options:

• true: The dirname of the input file relative to the context option.
• false: Rspack won't touch your __dirname code, which means you have the regular Node.js __dirname behavior. The dirname of the output file when run in a Node.js environment.
• 'mock': The fixed value '/'.
• 'warn-mock': Use the fixed value of '/' but show a warning.
• 'node-module': Replace __dirname in CommonJS modules to fileURLToPath(import.meta.url + "/..") when output.module is enabled.
• 'eval-only': Equivalent to false.