fix: Properly handle backslashes in paths on Node.js 12 (#2)

Author: coreyfarrell

node-preload-modern-require.js

@@ -1,7 +1,7 @@
 'use strict';
 
 function generateRequire(filename) {
-	return `--require "${filename.replace(/"/g, '\\"')}"`;
+	return `--require "${filename.replace(/\\/g, '\\\\').replace(/"/g, '\\"')}"`;
 }
 
 module.exports = {

test/modern-require.js

@@ -17,11 +17,11 @@ test('exports', async t => {
 });
 
 test('generateRequire', async t => {
-	t.is(generateRequire(noSpaceFile), `--require "${noSpaceFile}"`);
-	t.is(generateRequire(spaceFile), `--require "${spaceFile}"`);
+	t.is(generateRequire(noSpaceFile), `--require "${noSpaceFile.replace(/\\/g, '\\\\')}"`);
+	t.is(generateRequire(spaceFile), `--require "${spaceFile.replace(/\\/g, '\\\\')}"`);
 
 	if (process.platform !== 'win32') {
 		const quoteFile = path.resolve('/dir/file"quote"nospace.js');
-		t.is(generateRequire(quoteFile), `--require "${quoteFile.replace(/"/g, '\\"')}"`);
+		t.is(generateRequire(quoteFile), `--require "${quoteFile.replace(/\\/g, '\\\\').replace(/"/g, '\\"')}"`);
 	}
 });