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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | 2x 2x 10x 3x 7x 7x 1x 6x | import type { Plugin as RolldownPlugin } from 'rolldown';
export type ReplaceNodeEnvPluginOptions = {
/**
* The value to inline for `process.env.NODE_ENV`. Defaults to `'production'`.
*/
value?: string;
};
/**
* A Rolldown plugin that inlines `process.env.NODE_ENV` as a string literal in
* any module that references it.
*
* This replaces the former build-config `define` (issue #812). Libraries such
* as immer branch on `process.env.NODE_ENV`, and vats have no `process` global
* at runtime, so the reference must be resolved at bundle time. The plugin
* auto-detects the need: modules without the reference are left untouched.
*
* This is a textual replacement (the same class of approach as the sibling
* {@link removeDynamicImportsPlugin}) and handles the dotted
* `process.env.NODE_ENV` form, consistent with the `define` it replaces.
*
* @param options - Plugin options.
* @param options.value - The value to inline for `process.env.NODE_ENV`.
* Defaults to `'production'`.
* @returns A Rolldown plugin.
*/
export function replaceNodeEnvPlugin({
value = 'production',
}: ReplaceNodeEnvPluginOptions = {}): RolldownPlugin {
const replacement = JSON.stringify(value);
return {
name: 'ocap-kernel:replace-node-env',
transform(code) {
if (!code.includes('process.env.NODE_ENV')) {
return null;
}
const transformed = code.replace(
/\bprocess\.env\.NODE_ENV\b/gu,
replacement,
);
if (transformed === code) {
return null;
}
return { code: transformed, map: null };
},
};
}
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