tools: disable history for readline.Interface

Disable history for `readline.Interface` used in Unicode tables generator thus improving overall performance and memory usage. PR-URL: metarhia/jstp#259 Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>
metarhia · Jul 21, 2018 · 602e19c · 602e19c
1 parent d0826d3
commit 602e19c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tools/make-unicode-tables.js b/tools/make-unicode-tables.js
@@ -99,7 +99,7 @@ let idContinueTotalCount = 0;
 const lineRegex = /^([0-9A-F]{4,6})(?:\.\.([0-9A-F]{4,6}))? *; (\w+) #.*$/;
 
 http.get(UCD_LINK, (res) => {
-  const linereader = readline.createInterface({ input: res });
+  const linereader = readline.createInterface({ input: res, historySize: 0 });
   linereader.on('line', (line) => {
     const values = lineRegex.exec(line);
     if (values !== null) {