benchmark: (buffers) use destructuring

PR-URL: #18250
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: BridgeAR

benchmark/buffers/buffer-base64-decode-wrapped.js

@@ -6,8 +6,7 @@ const bench = common.createBenchmark(main, {
   n: [32],
 });
 
-function main(conf) {
-  const n = +conf.n;
+function main({ n }) {
   const charsPerLine = 76;
   const linesCount = 8 << 16;
   const bytesCount = charsPerLine * linesCount / 4 * 3;

benchmark/buffers/buffer-base64-decode.js

@@ -6,8 +6,7 @@ const bench = common.createBenchmark(main, {
   n: [32],
 });
 
-function main(conf) {
-  const n = +conf.n;
+function main({ n }) {
   const s = 'abcd'.repeat(8 << 20);
   // eslint-disable-next-line no-unescaped-regexp-dot
   s.match(/./);  // Flatten string.

benchmark/buffers/buffer-base64-encode.js

@@ -27,9 +27,7 @@ const bench = common.createBenchmark(main, {
   n: [32]
 });
 
-function main(conf) {
-  const n = +conf.n;
-  const len = +conf.len;
+function main({ n, len }) {
   const b = Buffer.allocUnsafe(len);
   let s = '';
   let i;

benchmark/buffers/buffer-bytelength.js

@@ -15,11 +15,7 @@ const chars = [
   '𠜎𠜱𠝹𠱓𠱸𠲖𠳏𠳕𠴕𠵼𠵿𠸎𠸏𠹷𠺝𠺢' // 4 bytes
 ];
 
-function main(conf) {
-  const n = conf.n | 0;
-  const len = conf.len | 0;
-  const encoding = conf.encoding;
-
+function main({ n, len, encoding }) {
   var strings = [];
   var results;
   if (encoding === 'buffer') {

benchmark/buffers/buffer-compare-instance-method.js

@@ -7,10 +7,8 @@ const bench = common.createBenchmark(main, {
   millions: [1]
 });
 
-function main(conf) {
-  const iter = (conf.millions >>> 0) * 1e6;
-  const size = (conf.size >>> 0);
-  const args = (conf.args >>> 0);
+function main({ millions, size, args }) {
+  const iter = millions * 1e6;
   const b0 = Buffer.alloc(size, 'a');
   const b1 = Buffer.alloc(size, 'a');
   const b0Len = b0.length;

benchmark/buffers/buffer-compare-offset.js

@@ -23,13 +23,11 @@ function compareUsingOffset(b0, b1, len, iter) {
   bench.end(iter / 1e6);
 }
 
-function main(conf) {
-  const iter = (conf.millions >>> 0) * 1e6;
-  const size = (conf.size >>> 0);
-  const method =
-    conf.method === 'slice' ? compareUsingSlice : compareUsingOffset;
-  method(Buffer.alloc(size, 'a'),
-         Buffer.alloc(size, 'b'),
-         size >> 1,
-         iter);
+function main({ millions, size, method }) {
+  const iter = millions * 1e6;
+  const fn = method === 'slice' ? compareUsingSlice : compareUsingOffset;
+  fn(Buffer.alloc(size, 'a'),
+     Buffer.alloc(size, 'b'),
+     size >> 1,
+     iter);
 }

benchmark/buffers/buffer-compare.js

@@ -27,9 +27,8 @@ const bench = common.createBenchmark(main, {
   millions: [1]
 });
 
-function main(conf) {
-  const iter = (conf.millions >>> 0) * 1e6;
-  const size = (conf.size >>> 0);
+function main({ millions, size }) {
+  const iter = millions * 1e6;
   const b0 = Buffer.alloc(size, 'a');
   const b1 = Buffer.alloc(size, 'a');
 

benchmark/buffers/buffer-concat.js

@@ -8,15 +8,11 @@ const bench = common.createBenchmark(main, {
   n: [1024]
 });
 
-function main(conf) {
-  const n = +conf.n;
-  const size = +conf.pieceSize;
-  const pieces = +conf.pieces;
-
+function main({ n, pieces, pieceSize, withTotalLength }) {
   const list = new Array(pieces);
-  list.fill(Buffer.allocUnsafe(size));
+  list.fill(Buffer.allocUnsafe(pieceSize));
 
-  const totalLength = conf.withTotalLength ? pieces * size : undefined;
+  const totalLength = withTotalLength ? pieces * pieceSize : undefined;
 
   bench.start();
   for (var i = 0; i < n * 1024; i++) {

benchmark/buffers/buffer-creation.js

@@ -15,10 +15,8 @@ const bench = common.createBenchmark(main, {
   n: [1024]
 });
 
-function main(conf) {
-  const len = +conf.len;
-  const n = +conf.n;
-  switch (conf.type) {
+function main({ len, n, type }) {
+  switch (type) {
     case '':
     case 'fast-alloc':
       bench.start();

benchmark/buffers/buffer-from.js

@@ -18,10 +18,7 @@ const bench = common.createBenchmark(main, {
   n: [2048]
 });
 
-function main(conf) {
-  const len = +conf.len;
-  const n = +conf.n;
-
+function main({ len, n, source }) {
   const array = new Array(len).fill(42);
   const arrayBuf = new ArrayBuffer(len);
   const str = 'a'.repeat(len);
@@ -31,7 +28,7 @@ function main(conf) {
 
   var i;
 
-  switch (conf.source) {
+  switch (source) {
     case 'array':
       bench.start();
       for (i = 0; i < n * 1024; i++) {