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Diffstat (limited to 'node_modules/cross-spawn/lib/parse.js')
-rw-r--r-- | node_modules/cross-spawn/lib/parse.js | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/node_modules/cross-spawn/lib/parse.js b/node_modules/cross-spawn/lib/parse.js deleted file mode 100644 index 962827a..0000000 --- a/node_modules/cross-spawn/lib/parse.js +++ /dev/null @@ -1,125 +0,0 @@ -'use strict'; - -const path = require('path'); -const niceTry = require('nice-try'); -const resolveCommand = require('./util/resolveCommand'); -const escape = require('./util/escape'); -const readShebang = require('./util/readShebang'); -const semver = require('semver'); - -const isWin = process.platform === 'win32'; -const isExecutableRegExp = /\.(?:com|exe)$/i; -const isCmdShimRegExp = /node_modules[\\/].bin[\\/][^\\/]+\.cmd$/i; - -// `options.shell` is supported in Node ^4.8.0, ^5.7.0 and >= 6.0.0 -const supportsShellOption = niceTry(() => semver.satisfies(process.version, '^4.8.0 || ^5.7.0 || >= 6.0.0', true)) || false; - -function detectShebang(parsed) { - parsed.file = resolveCommand(parsed); - - const shebang = parsed.file && readShebang(parsed.file); - - if (shebang) { - parsed.args.unshift(parsed.file); - parsed.command = shebang; - - return resolveCommand(parsed); - } - - return parsed.file; -} - -function parseNonShell(parsed) { - if (!isWin) { - return parsed; - } - - // Detect & add support for shebangs - const commandFile = detectShebang(parsed); - - // We don't need a shell if the command filename is an executable - const needsShell = !isExecutableRegExp.test(commandFile); - - // If a shell is required, use cmd.exe and take care of escaping everything correctly - // Note that `forceShell` is an hidden option used only in tests - if (parsed.options.forceShell || needsShell) { - // Need to double escape meta chars if the command is a cmd-shim located in `node_modules/.bin/` - // The cmd-shim simply calls execute the package bin file with NodeJS, proxying any argument - // Because the escape of metachars with ^ gets interpreted when the cmd.exe is first called, - // we need to double escape them - const needsDoubleEscapeMetaChars = isCmdShimRegExp.test(commandFile); - - // Normalize posix paths into OS compatible paths (e.g.: foo/bar -> foo\bar) - // This is necessary otherwise it will always fail with ENOENT in those cases - parsed.command = path.normalize(parsed.command); - - // Escape command & arguments - parsed.command = escape.command(parsed.command); - parsed.args = parsed.args.map((arg) => escape.argument(arg, needsDoubleEscapeMetaChars)); - - const shellCommand = [parsed.command].concat(parsed.args).join(' '); - - parsed.args = ['/d', '/s', '/c', `"${shellCommand}"`]; - parsed.command = process.env.comspec || 'cmd.exe'; - parsed.options.windowsVerbatimArguments = true; // Tell node's spawn that the arguments are already escaped - } - - return parsed; -} - -function parseShell(parsed) { - // If node supports the shell option, there's no need to mimic its behavior - if (supportsShellOption) { - return parsed; - } - - // Mimic node shell option - // See https://github.com/nodejs/node/blob/b9f6a2dc059a1062776133f3d4fd848c4da7d150/lib/child_process.js#L335 - const shellCommand = [parsed.command].concat(parsed.args).join(' '); - - if (isWin) { - parsed.command = typeof parsed.options.shell === 'string' ? parsed.options.shell : process.env.comspec || 'cmd.exe'; - parsed.args = ['/d', '/s', '/c', `"${shellCommand}"`]; - parsed.options.windowsVerbatimArguments = true; // Tell node's spawn that the arguments are already escaped - } else { - if (typeof parsed.options.shell === 'string') { - parsed.command = parsed.options.shell; - } else if (process.platform === 'android') { - parsed.command = '/system/bin/sh'; - } else { - parsed.command = '/bin/sh'; - } - - parsed.args = ['-c', shellCommand]; - } - - return parsed; -} - -function parse(command, args, options) { - // Normalize arguments, similar to nodejs - if (args && !Array.isArray(args)) { - options = args; - args = null; - } - - args = args ? args.slice(0) : []; // Clone array to avoid changing the original - options = Object.assign({}, options); // Clone object to avoid changing the original - - // Build our parsed object - const parsed = { - command, - args, - options, - file: undefined, - original: { - command, - args, - }, - }; - - // Delegate further parsing to shell or non-shell - return options.shell ? parseShell(parsed) : parseNonShell(parsed); -} - -module.exports = parse; |