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authorLinuxWizard42 <computerwizard@linuxmail.org>2022-10-12 22:54:37 +0300
committerLinuxWizard42 <computerwizard@linuxmail.org>2022-10-12 22:54:37 +0300
commit703e03aba33f234712206769f57717ba7d92d23d (patch)
tree0041f04ccb75bd5379c764e9fe42249fffe75fc3 /node_modules/cross-spawn/lib/util/escape.js
parentab6e257e6e9d9a483d7e86f220d8b209a2cd7753 (diff)
downloadFlashRunner-703e03aba33f234712206769f57717ba7d92d23d.tar.gz
FlashRunner-703e03aba33f234712206769f57717ba7d92d23d.tar.zst
Added export_allowed file to make repository visible in cgit
Diffstat (limited to 'node_modules/cross-spawn/lib/util/escape.js')
-rw-r--r--node_modules/cross-spawn/lib/util/escape.js45
1 files changed, 45 insertions, 0 deletions
diff --git a/node_modules/cross-spawn/lib/util/escape.js b/node_modules/cross-spawn/lib/util/escape.js
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+++ b/node_modules/cross-spawn/lib/util/escape.js
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+'use strict';
+
+// See http://www.robvanderwoude.com/escapechars.php
+const metaCharsRegExp = /([()\][%!^"`<>&|;, *?])/g;
+
+function escapeCommand(arg) {
+ // Escape meta chars
+ arg = arg.replace(metaCharsRegExp, '^$1');
+
+ return arg;
+}
+
+function escapeArgument(arg, doubleEscapeMetaChars) {
+ // Convert to string
+ arg = `${arg}`;
+
+ // Algorithm below is based on https://qntm.org/cmd
+
+ // 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}"`;
+
+ // Escape meta chars
+ arg = arg.replace(metaCharsRegExp, '^$1');
+
+ // Double escape meta chars if necessary
+ if (doubleEscapeMetaChars) {
+ arg = arg.replace(metaCharsRegExp, '^$1');
+ }
+
+ return arg;
+}
+
+module.exports.command = escapeCommand;
+module.exports.argument = escapeArgument;