@jsenv/filesystem
v4.10.11
Published
Collection of functions to interact with filesystem in Node.js
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Jsenv filesystem
Collection of functions to interact with filesystem in Node.js
List files using pattern matching
import { listFilesMatching } from "@jsenv/filesystem";
const jsFiles = await listFilesMatching({
directoryUrl: new URL("./", import.meta.url),
patterns: {
"./**/*.js": true,
"./**/*.test.js": false,
},
});
[
'file:///Users/dmail/docs/demo/a.js',
'file:///Users/dmail/docs/demo/b.js'
]
Watch a specific file changes
import { readFileSync } from "node:fs";
import { registerFileLifecycle } from "@jsenv/filesystem";
const packageJSONFileUrl = new URL("./package.json", import.meta.url);
let packageJSON = null;
const unregister = registerFileLifecycle(packageJSONFileUrl, {
added: () => {
packageJSON = JSON.parse(String(readFileSync(packageJSONFileUrl)));
},
updated: () => {
packageJSON = JSON.parse(String(readFileSync(packageJSONFileUrl)));
},
removed: () => {
packageJSON = null;
},
notifyExistent: true,
});
unregister(); // stop watching the file changes
Watch many files changes
import { registerDirectoryLifecycle } from "@jsenv/filesystem";
const directoryContentDescription = {};
const unregister = registerDirectoryLifecycle("file:///directory/", {
watchPatterns: {
"./**/*": true,
"./node_modules/": false,
},
added: ({ relativeUrl, type }) => {
directoryContentDescription[relativeUrl] = type;
},
removed: ({ relativeUrl }) => {
delete directoryContentDescription[relativeUrl];
},
});
unregister(); // stop watching the directory changes
API
Installation
npm install @jsenv/filesystem