@tylertech/forge-build-tools/dist/fs/modify.js

Node utilities for building and packaging libraries.

import { isGlob } from '../utils/index.js';
import { globFilesAsync, readFileAsync, writeFileAsync } from './fs.js';
/**
 * Modifies the contents of each of the provided files by calling the `modifier` function on each file.
 * @param files The files to modify.
 * @param modifier The modifier function.
 */
export async function modifyFile(files, modifier) {
    if (typeof files === 'string') {
        files = isGlob(files) ? await globFilesAsync(files, {}) : [files];
    }
    const fileDescriptors = [];
    for (const filepath of files) {
        const contents = await readFileAsync(filepath, 'utf8');
        const newContents = await Promise.resolve(modifier({ contents, filepath }));
        const isChanged = contents !== newContents;
        if (isChanged) {
            await writeFileAsync(filepath, newContents, 'utf8');
        }
        fileDescriptors.push({ filepath, changed: isChanged });
    }
    return fileDescriptors;
}
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