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authorDimitri Staessens <dimitri@ouroboros.rocks>2019-10-06 21:37:45 +0200
committerDimitri Staessens <dimitri@ouroboros.rocks>2019-10-06 21:37:45 +0200
commit3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch)
treec7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/cross-spawn/lib/parse.js
parent412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff)
downloadwebsite-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz
website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip
build: Add some required modules for node
Diffstat (limited to 'node_modules/cross-spawn/lib/parse.js')
-rw-r--r--node_modules/cross-spawn/lib/parse.js113
1 files changed, 113 insertions, 0 deletions
diff --git a/node_modules/cross-spawn/lib/parse.js b/node_modules/cross-spawn/lib/parse.js
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+'use strict';
+
+var resolveCommand = require('./util/resolveCommand');
+var hasEmptyArgumentBug = require('./util/hasEmptyArgumentBug');
+var escapeArgument = require('./util/escapeArgument');
+var escapeCommand = require('./util/escapeCommand');
+var readShebang = require('./util/readShebang');
+
+var isWin = process.platform === 'win32';
+var skipShellRegExp = /\.(?:com|exe)$/i;
+
+// Supported in Node >= 6 and >= 4.8
+var supportsShellOption = parseInt(process.version.substr(1).split('.')[0], 10) >= 6 ||
+ parseInt(process.version.substr(1).split('.')[0], 10) === 4 && parseInt(process.version.substr(1).split('.')[1], 10) >= 8;
+
+function parseNonShell(parsed) {
+ var shebang;
+ var needsShell;
+ var applyQuotes;
+
+ if (!isWin) {
+ return parsed;
+ }
+
+ // Detect & add support for shebangs
+ parsed.file = resolveCommand(parsed.command);
+ parsed.file = parsed.file || resolveCommand(parsed.command, true);
+ shebang = parsed.file && readShebang(parsed.file);
+
+ if (shebang) {
+ parsed.args.unshift(parsed.file);
+ parsed.command = shebang;
+ needsShell = hasEmptyArgumentBug || !skipShellRegExp.test(resolveCommand(shebang) || resolveCommand(shebang, true));
+ } else {
+ needsShell = hasEmptyArgumentBug || !skipShellRegExp.test(parsed.file);
+ }
+
+ // If a shell is required, use cmd.exe and take care of escaping everything correctly
+ if (needsShell) {
+ // Escape command & arguments
+ applyQuotes = (parsed.command !== 'echo'); // Do not quote arguments for the special "echo" command
+ parsed.command = escapeCommand(parsed.command);
+ parsed.args = parsed.args.map(function (arg) {
+ return escapeArgument(arg, applyQuotes);
+ });
+
+ // Make use of cmd.exe
+ parsed.args = ['/d', '/s', '/c', '"' + parsed.command + (parsed.args.length ? ' ' + parsed.args.join(' ') : '') + '"'];
+ 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) {
+ var shellCommand;
+
+ // 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
+ 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) {
+ var parsed;
+
+ // 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 = options || {};
+
+ // Build our parsed object
+ parsed = {
+ command: command,
+ args: args,
+ options: options,
+ file: undefined,
+ original: command,
+ };
+
+ // Delegate further parsing to shell or non-shell
+ return options.shell ? parseShell(parsed) : parseNonShell(parsed);
+}
+
+module.exports = parse;