lib: use let instead of var

this commit uses let instead of var for util.js & warning.js PR-URL: #30375 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Beth Griggs <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>
nodejs · Nov 30, 2019 · b545b91 · b545b91
1 parent 5120926
commit b545b91
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diff --git a/lib/internal/process/warning.js b/lib/internal/process/warning.js
@@ -58,7 +58,7 @@ function onWarning(warning) {
   if (isDeprecation && process.noDeprecation) return;
   const trace = process.traceProcessWarnings ||
                 (isDeprecation && process.traceDeprecation);
-  var msg = `(${process.release.name}:${process.pid}) `;
+  let msg = `(${process.release.name}:${process.pid}) `;
   if (warning.code)
     msg += `[${warning.code}] `;
   if (trace && warning.stack) {

diff --git a/lib/internal/util.js b/lib/internal/util.js
@@ -166,7 +166,7 @@ function emitExperimentalWarning(feature) {
 
 function filterDuplicateStrings(items, low) {
   const map = new Map();
-  for (var i = 0; i < items.length; i++) {
+  for (let i = 0; i < items.length; i++) {
     const item = items[i];
     const key = item.toLowerCase();
     if (low) {
@@ -281,7 +281,7 @@ function promisify(original) {
         }
         if (argumentNames !== undefined && values.length > 1) {
           const obj = {};
-          for (var i = 0; i < argumentNames.length; i++)
+          for (let i = 0; i < argumentNames.length; i++)
             obj[argumentNames[i]] = values[i];
           resolve(obj);
         } else {