53 lines
1.5 KiB
JavaScript
53 lines
1.5 KiB
JavaScript
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'use strict';
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const path = require('path');
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const which = require('which');
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const getPathKey = require('path-key');
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function resolveCommandAttempt(parsed, withoutPathExt) {
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const env = parsed.options.env || process.env;
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const cwd = process.cwd();
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const hasCustomCwd = parsed.options.cwd != null;
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// Worker threads do not have process.chdir()
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const shouldSwitchCwd = hasCustomCwd && process.chdir !== undefined && !process.chdir.disabled;
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// If a custom `cwd` was specified, we need to change the process cwd
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// because `which` will do stat calls but does not support a custom cwd
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if (shouldSwitchCwd) {
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try {
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process.chdir(parsed.options.cwd);
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} catch (err) {
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/* Empty */
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}
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}
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let resolved;
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try {
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resolved = which.sync(parsed.command, {
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path: env[getPathKey({ env })],
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pathExt: withoutPathExt ? path.delimiter : undefined,
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});
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} catch (e) {
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/* Empty */
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} finally {
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if (shouldSwitchCwd) {
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process.chdir(cwd);
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}
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}
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// If we successfully resolved, ensure that an absolute path is returned
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// Note that when a custom `cwd` was used, we need to resolve to an absolute path based on it
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if (resolved) {
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resolved = path.resolve(hasCustomCwd ? parsed.options.cwd : '', resolved);
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}
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return resolved;
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}
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function resolveCommand(parsed) {
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return resolveCommandAttempt(parsed) || resolveCommandAttempt(parsed, true);
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}
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module.exports = resolveCommand;
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