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file-entry-cache

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file-entry-cache

Super simple cache for file metadata, useful for process that work o a given series of files and that only need to repeat the job on the changed ones since the previous run of the process

  • 9.1.0
  • Source
  • npm
  • Socket score

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45M
increased by16.03%
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1
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What is file-entry-cache?

The file-entry-cache npm package provides a simple way to cache the metadata of files in a directory. It is primarily used to speed up file processing tasks by caching the results of expensive file operations. This can be particularly useful in tasks like linting, where files that have not changed since the last run can be skipped. The package allows for creating, reading, and updating caches, and it can work with both flat file caches and more complex, structured data.

What are file-entry-cache's main functionalities?

Create and manage a file cache

This feature allows you to create a new cache or load an existing one from disk. You can add or remove files from the cache and save the updated cache back to disk. This is useful for tracking which files have been processed and which have not.

const fileEntryCache = require('file-entry-cache');
const cache = fileEntryCache.create('.myCache');
// To add a file to the cache
cache.addEntry('path/to/file.js');
// To remove a file from the cache
cache.removeEntry('path/to/file.js');
// To save the cache to disk
cache.reconcile();

Check if a file has changed since last cached

This feature allows you to check if a file has been modified since it was last added to the cache. This is particularly useful for tools that perform operations on files and want to skip processing for files that have not changed.

const fileEntryCache = require('file-entry-cache');
const cache = fileEntryCache.create('.myCache');
// Assuming 'path/to/file.js' was previously added to the cache
const fileHasChanged = cache.hasFileChanged('path/to/file.js');
if (fileHasChanged) {
  console.log('File has changed since last cache.');
} else {
  console.log('File has not changed.');
}

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Package last updated on 27 Aug 2024

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