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authorDimitri Staessens <[email protected]>2019-10-06 21:37:45 +0200
committerDimitri Staessens <[email protected]>2019-10-06 21:37:45 +0200
commit3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch)
treec7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/cross-spawn/lib/util
parent412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff)
downloadwebsite-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz
website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip
build: Add some required modules for node
Diffstat (limited to 'node_modules/cross-spawn/lib/util')
-rw-r--r--node_modules/cross-spawn/lib/util/escapeArgument.js30
-rw-r--r--node_modules/cross-spawn/lib/util/escapeCommand.js12
-rw-r--r--node_modules/cross-spawn/lib/util/hasEmptyArgumentBug.js18
-rw-r--r--node_modules/cross-spawn/lib/util/readShebang.js37
-rw-r--r--node_modules/cross-spawn/lib/util/resolveCommand.js31
5 files changed, 128 insertions, 0 deletions
diff --git a/node_modules/cross-spawn/lib/util/escapeArgument.js b/node_modules/cross-spawn/lib/util/escapeArgument.js
new file mode 100644
index 0000000..367263f
--- /dev/null
+++ b/node_modules/cross-spawn/lib/util/escapeArgument.js
@@ -0,0 +1,30 @@
+'use strict';
+
+function escapeArgument(arg, quote) {
+ // Convert to string
+ arg = '' + arg;
+
+ // If we are not going to quote the argument,
+ // escape shell metacharacters, including double and single quotes:
+ if (!quote) {
+ arg = arg.replace(/([()%!^<>&|;,"'\s])/g, '^$1');
+ } else {
+ // Sequence of backslashes followed by a double quote:
+ // double up all the backslashes and escape the double quote
+ arg = arg.replace(/(\\*)"/g, '$1$1\\"');
+
+ // Sequence of backslashes followed by the end of the string
+ // (which will become a double quote later):
+ // double up all the backslashes
+ arg = arg.replace(/(\\*)$/, '$1$1');
+
+ // All other backslashes occur literally
+
+ // Quote the whole thing:
+ arg = '"' + arg + '"';
+ }
+
+ return arg;
+}
+
+module.exports = escapeArgument;
diff --git a/node_modules/cross-spawn/lib/util/escapeCommand.js b/node_modules/cross-spawn/lib/util/escapeCommand.js
new file mode 100644
index 0000000..d9c25b2
--- /dev/null
+++ b/node_modules/cross-spawn/lib/util/escapeCommand.js
@@ -0,0 +1,12 @@
+'use strict';
+
+var escapeArgument = require('./escapeArgument');
+
+function escapeCommand(command) {
+ // Do not escape if this command is not dangerous..
+ // We do this so that commands like "echo" or "ifconfig" work
+ // Quoting them, will make them unaccessible
+ return /^[a-z0-9_-]+$/i.test(command) ? command : escapeArgument(command, true);
+}
+
+module.exports = escapeCommand;
diff --git a/node_modules/cross-spawn/lib/util/hasEmptyArgumentBug.js b/node_modules/cross-spawn/lib/util/hasEmptyArgumentBug.js
new file mode 100644
index 0000000..9f2eba6
--- /dev/null
+++ b/node_modules/cross-spawn/lib/util/hasEmptyArgumentBug.js
@@ -0,0 +1,18 @@
+'use strict';
+
+// See: https://github.com/IndigoUnited/node-cross-spawn/pull/34#issuecomment-221623455
+function hasEmptyArgumentBug() {
+ var nodeVer;
+
+ if (process.platform !== 'win32') {
+ return false;
+ }
+
+ nodeVer = process.version.substr(1).split('.').map(function (num) {
+ return parseInt(num, 10);
+ });
+
+ return (nodeVer[0] === 0 && nodeVer[1] < 12);
+}
+
+module.exports = hasEmptyArgumentBug();
diff --git a/node_modules/cross-spawn/lib/util/readShebang.js b/node_modules/cross-spawn/lib/util/readShebang.js
new file mode 100644
index 0000000..2cf3541
--- /dev/null
+++ b/node_modules/cross-spawn/lib/util/readShebang.js
@@ -0,0 +1,37 @@
+'use strict';
+
+var fs = require('fs');
+var LRU = require('lru-cache');
+var shebangCommand = require('shebang-command');
+
+var shebangCache = new LRU({ max: 50, maxAge: 30 * 1000 }); // Cache just for 30sec
+
+function readShebang(command) {
+ var buffer;
+ var fd;
+ var shebang;
+
+ // Check if it is in the cache first
+ if (shebangCache.has(command)) {
+ return shebangCache.get(command);
+ }
+
+ // Read the first 150 bytes from the file
+ buffer = new Buffer(150);
+
+ try {
+ fd = fs.openSync(command, 'r');
+ fs.readSync(fd, buffer, 0, 150, 0);
+ fs.closeSync(fd);
+ } catch (e) { /* empty */ }
+
+ // Attempt to extract shebang (null is returned if not a shebang)
+ shebang = shebangCommand(buffer.toString());
+
+ // Store the shebang in the cache
+ shebangCache.set(command, shebang);
+
+ return shebang;
+}
+
+module.exports = readShebang;
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..b7a9490
--- /dev/null
+++ b/node_modules/cross-spawn/lib/util/resolveCommand.js
@@ -0,0 +1,31 @@
+'use strict';
+
+var path = require('path');
+var which = require('which');
+var LRU = require('lru-cache');
+
+var commandCache = new LRU({ max: 50, maxAge: 30 * 1000 }); // Cache just for 30sec
+
+function resolveCommand(command, noExtension) {
+ var resolved;
+
+ noExtension = !!noExtension;
+ resolved = commandCache.get(command + '!' + noExtension);
+
+ // Check if its resolved in the cache
+ if (commandCache.has(command)) {
+ return commandCache.get(command);
+ }
+
+ try {
+ resolved = !noExtension ?
+ which.sync(command) :
+ which.sync(command, { pathExt: path.delimiter + (process.env.PATHEXT || '') });
+ } catch (e) { /* empty */ }
+
+ commandCache.set(command + '!' + noExtension, resolved);
+
+ return resolved;
+}
+
+module.exports = resolveCommand;