55 lines
1.4 KiB
JavaScript
55 lines
1.4 KiB
JavaScript
import fs from 'fs';
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import path from 'path';
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const WINDOWS_EXTENSIONS = process.platform === 'win32'
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? (process.env.PATHEXT || '.EXE;.CMD;.BAT;.COM')
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.split(';')
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.map((ext) => ext.trim().toLowerCase())
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.filter(Boolean)
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.map((ext) => (ext.startsWith('.') ? ext : `.${ext}`))
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: [''];
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function isExecutable(filePath) {
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try {
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const stats = fs.statSync(filePath);
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if (!stats.isFile()) {
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return false;
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}
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if (process.platform === 'win32') {
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return true;
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}
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fs.accessSync(filePath, fs.constants.X_OK);
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return true;
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} catch {
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return false;
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}
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}
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function resolveExplicitBinary(candidate) {
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if (!candidate) {
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return null;
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}
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if (candidate.includes(path.sep) || path.isAbsolute(candidate)) {
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const resolved = path.isAbsolute(candidate) ? candidate : path.resolve(candidate);
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return isExecutable(resolved) ? resolved : null;
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}
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return null;
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}
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function searchPathFor(command) {
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const pathValue = process.env.PATH || '';
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const segments = pathValue.split(path.delimiter).filter(Boolean);
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for (const dir of segments) {
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for (const ext of WINDOWS_EXTENSIONS) {
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const fileName = process.platform === 'win32' ? `${command}${ext}` : command;
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const candidate = path.join(dir, fileName);
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if (isExecutable(candidate)) {
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return candidate;
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}
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}
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}
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return null;
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}
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export { resolveExplicitBinary, searchPathFor };
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