diff options
Diffstat (limited to 'node_modules/cross-spawn/lib/util/resolveCommand.js')
-rw-r--r-- | node_modules/cross-spawn/lib/util/resolveCommand.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/node_modules/cross-spawn/lib/util/resolveCommand.js b/node_modules/cross-spawn/lib/util/resolveCommand.js new file mode 100644 index 0000000..7972455 --- /dev/null +++ b/node_modules/cross-spawn/lib/util/resolveCommand.js @@ -0,0 +1,52 @@ +'use strict'; + +const path = require('path'); +const which = require('which'); +const getPathKey = require('path-key'); + +function resolveCommandAttempt(parsed, withoutPathExt) { + const env = parsed.options.env || process.env; + const cwd = process.cwd(); + const hasCustomCwd = parsed.options.cwd != null; + // Worker threads do not have process.chdir() + const shouldSwitchCwd = hasCustomCwd && process.chdir !== undefined && !process.chdir.disabled; + + // If a custom `cwd` was specified, we need to change the process cwd + // because `which` will do stat calls but does not support a custom cwd + if (shouldSwitchCwd) { + try { + process.chdir(parsed.options.cwd); + } catch (err) { + /* Empty */ + } + } + + let resolved; + + try { + resolved = which.sync(parsed.command, { + path: env[getPathKey({ env })], + pathExt: withoutPathExt ? path.delimiter : undefined, + }); + } catch (e) { + /* Empty */ + } finally { + if (shouldSwitchCwd) { + process.chdir(cwd); + } + } + + // If we successfully resolved, ensure that an absolute path is returned + // Note that when a custom `cwd` was used, we need to resolve to an absolute path based on it + if (resolved) { + resolved = path.resolve(hasCustomCwd ? parsed.options.cwd : '', resolved); + } + + return resolved; +} + +function resolveCommand(parsed) { + return resolveCommandAttempt(parsed) || resolveCommandAttempt(parsed, true); +} + +module.exports = resolveCommand; |