odin-javascript-exercises/node_modules/cross-spawn/lib/util/escapeArgument.js

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2017-12-15 10:56:14 -08:00
'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;