react-native-builder-bob/lib/src/targets/codegen/index.js

CLI to build JavaScript files for React Native libraries

import path from 'node:path';
import { deleteAsync } from 'del';
import fs from 'fs-extra';
import kleur from 'kleur';
import { spawn } from "../../utils/spawn.js";
import { patchCodegenAndroidPackage } from "./patches/patchCodegenAndroidPackage.js";
import { getCodegenCLISourceSupport, removeCodegenAppLevelCode, } from "./patches/removeCodegenAppLevelCode.js";
export default async function build({ root, report }) {
    const packageJsonPath = path.resolve(root, 'package.json');
    const packageJson = await fs.readJson(packageJsonPath);
    const codegenIosPath = packageJson.codegenConfig?.outputDir?.ios;
    if (codegenIosPath != null) {
        report.info(`Cleaning up previous iOS codegen native code at ${kleur.blue(path.relative(root, codegenIosPath))}`);
        await deleteAsync([codegenIosPath]);
    }
    const codegenAndroidPath = packageJson.codegenConfig?.outputDir?.android;
    if (codegenAndroidPath != null) {
        report.info(`Cleaning up previous Android codegen native code at ${kleur.blue(path.relative(root, codegenAndroidPath))}`);
        await deleteAsync([codegenAndroidPath]);
    }
    const codegenType = packageJson.codegenConfig?.type;
    if (codegenType === undefined) {
        throw new Error("Couldn't find the 'type' value in 'codegenConfig'. Please check your package.json's 'codegenConfig' property and make sure 'type' is defined. https://reactnative.dev/docs/the-new-architecture/using-codegen#configuring-codegen");
    }
    try {
        const codegenCLISupportsSource = await getCodegenCLISourceSupport();
        await spawn('npx', [
            '@react-native-community/cli',
            'codegen',
            ...(codegenCLISupportsSource ? ['--source', 'library'] : []),
        ]);
        if (codegenType === 'modules' || codegenType === 'all') {
            await patchCodegenAndroidPackage(root, packageJson, report);
        }
        if (!codegenCLISupportsSource) {
            await removeCodegenAppLevelCode(root, packageJson);
        }
        report.success('Generated native code with codegen');
    }
    catch (e) {
        if (e != null && typeof e === 'object') {
            if ('stdout' in e && e.stdout != null) {
                report.error(`Errors found while running codegen:\n\n${e.stdout.toString()}`);
            }
            else if ('message' in e && typeof e.message === 'string') {
                if (e.message.includes("Error: Cannot find module '@react-native-community/cli/package.json'")) {
                    report.error("You don't have `@react-native-community/cli` in your root package's dev dependencies. Please install it and make sure it uses the same version as your application.");
                }
            }
        }
        throw new Error('Failed to run codegen.', { cause: e });
    }
}
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