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metro-file-map

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metro-file-map

[Experimental] - 🚇 File crawling, watching and mapping for Metro


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1.9M
increased by2.98%
Maintainers
2
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Package description

What is metro-file-map?

The metro-file-map npm package is a utility for managing and interacting with file systems, particularly useful in scenarios where you need to map, watch, and query files efficiently. It is often used in build systems and development tools to handle file operations in a performant manner.

What are metro-file-map's main functionalities?

File Mapping

This feature allows you to create a map of files, add files to the map, and retrieve the list of files. It is useful for keeping track of files in a project.

const { FileMap } = require('metro-file-map');
const fileMap = new FileMap();
fileMap.addFile('/path/to/file.js');
console.log(fileMap.getFiles());

File Watching

This feature enables you to watch a directory for changes. When a file in the directory changes, it triggers an event, allowing you to respond to file modifications in real-time.

const { FileWatcher } = require('metro-file-map');
const watcher = new FileWatcher('/path/to/watch');
watcher.on('change', (filePath) => {
  console.log(`${filePath} has changed`);
});

File Querying

This feature allows you to query files based on patterns. It is useful for finding specific types of files within a directory, such as all JavaScript files.

const { FileQuery } = require('metro-file-map');
const query = new FileQuery('/path/to/query');
const jsFiles = query.findFiles('*.js');
console.log(jsFiles);

Other packages similar to metro-file-map

Readme

Source

[Experimental] Metro File Map

🚇 File system crawling, watching and mapping for Metro.

Originally a fork of jest-haste-map.

This entire package should be considered "experimental" for the time being - the API is considered internal and changes will not be semver-breaking.

If you need to rely on metro-file-map APIs directly please raise an issue to discuss your use case.

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Package last updated on 21 Jun 2023

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