vite-plugin-transform-json/dist/index.js

Vite plugin to copy and transform JSON file during build

import { mkdir, readFile, writeFile } from "fs/promises";
import { join, parse } from "path";
export default function viteCopyTransformJson({ srcPath, transformedProps, encoding = "utf-8", }) {
    let config;
    return {
        name: "vite-plugin-transform-json",
        apply: "build",
        configResolved(tempResolve) {
            config = tempResolve;
        },
        async generateBundle() {
            const destDir = config.build.outDir;
            const fileName = parse(srcPath).base;
            const destPath = join(destDir, fileName);
            try {
                // Read the original file.json
                const content = await readFile(srcPath, { encoding });
                const resolvedProps = await transformedProps();
                const originalJson = JSON.parse(content);
                // Merge with additional data
                const transformedJson = {
                    ...resolvedProps,
                    ...originalJson,
                };
                // Ensure the destination directory exists
                await mkdir(destDir, { recursive: true });
                // Write the transformed file.json
                await writeFile(destPath, JSON.stringify(transformedJson), {
                    encoding,
                });
                console.log(`${fileName} has been copied and transformed.`);
            }
            catch (error) {
                console.error(`Failed to copy and transform ${fileName}: ${error.message}`);
            }
        },
    };
}
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