@angular/cli
Version:
CLI tool for Angular
67 lines • 2.3 kB
JavaScript
;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.dev/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.findUp = findUp;
exports.findUpSync = findUpSync;
const node_fs_1 = require("node:fs");
const promises_1 = require("node:fs/promises");
const node_path_1 = require("node:path");
/**
* Find a file or directory by walking up the directory tree.
* @param names The name or names of the files or directories to find.
* @param from The directory to start the search from.
* @returns The path to the first match found, or `null` if no match was found.
*/
async function findUp(names, from) {
const filenames = Array.isArray(names) ? names : [names];
let currentDir = (0, node_path_1.resolve)(from);
while (true) {
for (const name of filenames) {
const p = (0, node_path_1.join)(currentDir, name);
try {
await (0, promises_1.stat)(p);
return p;
}
catch {
// Ignore errors (e.g. file not found).
}
}
const parentDir = (0, node_path_1.dirname)(currentDir);
if (parentDir === currentDir) {
break;
}
currentDir = parentDir;
}
return null;
}
/**
* Synchronously find a file or directory by walking up the directory tree.
* @param names The name or names of the files or directories to find.
* @param from The directory to start the search from.
* @returns The path to the first match found, or `null` if no match was found.
*/
function findUpSync(names, from) {
const filenames = Array.isArray(names) ? names : [names];
let currentDir = (0, node_path_1.resolve)(from);
while (true) {
for (const name of filenames) {
const p = (0, node_path_1.join)(currentDir, name);
if ((0, node_fs_1.existsSync)(p)) {
return p;
}
}
const parentDir = (0, node_path_1.dirname)(currentDir);
if (parentDir === currentDir) {
break;
}
currentDir = parentDir;
}
return null;
}
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