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benchmark: use let instead of var in assert · nodejs/node@0130d2b · GitHub

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benchmark: use let instead of var in assert
PR-URL: #30450 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: David Carlier <devnexen@gmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
1 parent 35dc848 commit 0130d2b

9 files changed

Lines changed: 58 additions & 47 deletions

‎benchmark/assert/deepequal-buffer.js‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -27,7 +27,7 @@ function main({ len, n, method, strict }) {
2727
const value2 = method.includes('not') ? expectedWrong : expected;
2828

2929
bench.start();
30-
for (var i = 0; i < n; ++i) {
30+
for (let i = 0; i < n; ++i) {
3131
fn(actual, value2);
3232
}
3333
bench.end(n);

‎benchmark/assert/deepequal-map.js‎

Lines changed: 26 additions & 17 deletions
Original file line numberDiff line numberDiff line change
@@ -24,49 +24,58 @@ function benchmark(method, n, values, values2) {
2424
const deepCopy = JSON.parse(JSON.stringify(values2 ? values2 : values));
2525
const expected = new Map(deepCopy);
2626
bench.start();
27-
for (var i = 0; i < n; ++i) {
27+
for (let i = 0; i < n; ++i) {
2828
method(actual, expected);
2929
}
3030
bench.end(n);
3131
}
3232

3333
function main({ n, len, method, strict }) {
3434
const array = Array(len).fill(1);
35-
var values, values2;
3635

3736
switch (method) {
3837
case '':
3938
// Empty string falls through to next line as default, mostly for tests.
40-
case 'deepEqual_primitiveOnly':
41-
values = array.map((_, i) => [`str_${i}`, 123]);
39+
case 'deepEqual_primitiveOnly': {
40+
const values = array.map((_, i) => [`str_${i}`, 123]);
4241
benchmark(strict ? deepStrictEqual : deepEqual, n, values);
4342
break;
44-
case 'deepEqual_objectOnly':
45-
values = array.map((_, i) => [[`str_${i}`, 1], 123]);
43+
}
44+
case 'deepEqual_objectOnly': {
45+
const values = array.map((_, i) => [[`str_${i}`, 1], 123]);
4646
benchmark(strict ? deepStrictEqual : deepEqual, n, values);
4747
break;
48-
case 'deepEqual_mixed':
49-
values = array.map((_, i) => [i % 2 ? [`str_${i}`, 1] : `str_${i}`, 123]);
48+
}
49+
case 'deepEqual_mixed': {
50+
const values = array.map(
51+
(_, i) => [i % 2 ? [`str_${i}`, 1] : `str_${i}`, 123]
52+
);
5053
benchmark(strict ? deepStrictEqual : deepEqual, n, values);
5154
break;
52-
case 'notDeepEqual_primitiveOnly':
53-
values = array.map((_, i) => [`str_${i}`, 123]);
54-
values2 = values.slice(0);
55+
}
56+
case 'notDeepEqual_primitiveOnly': {
57+
const values = array.map((_, i) => [`str_${i}`, 123]);
58+
const values2 = values.slice(0);
5559
values2[Math.floor(len / 2)] = ['w00t', 123];
5660
benchmark(strict ? notDeepStrictEqual : notDeepEqual, n, values, values2);
5761
break;
58-
case 'notDeepEqual_objectOnly':
59-
values = array.map((_, i) => [[`str_${i}`, 1], 123]);
60-
values2 = values.slice(0);
62+
}
63+
case 'notDeepEqual_objectOnly': {
64+
const values = array.map((_, i) => [[`str_${i}`, 1], 123]);
65+
const values2 = values.slice(0);
6166
values2[Math.floor(len / 2)] = [['w00t'], 123];
6267
benchmark(strict ? notDeepStrictEqual : notDeepEqual, n, values, values2);
6368
break;
64-
case 'notDeepEqual_mixed':
65-
values = array.map((_, i) => [i % 2 ? [`str_${i}`, 1] : `str_${i}`, 123]);
66-
values2 = values.slice(0);
69+
}
70+
case 'notDeepEqual_mixed': {
71+
const values = array.map(
72+
(_, i) => [i % 2 ? [`str_${i}`, 1] : `str_${i}`, 123]
73+
);
74+
const values2 = values.slice(0);
6775
values2[0] = ['w00t', 123];
6876
benchmark(strict ? notDeepStrictEqual : notDeepEqual, n, values, values2);
6977
break;
78+
}
7079
default:
7180
throw new Error(`Unsupported method ${method}`);
7281
}

‎benchmark/assert/deepequal-object.js‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -42,7 +42,7 @@ function main({ size, n, method, strict }) {
4242
const value2 = method.includes('not') ? expectedWrong : expected;
4343

4444
bench.start();
45-
for (var i = 0; i < n; ++i) {
45+
for (let i = 0; i < n; ++i) {
4646
fn(actual, value2);
4747
}
4848
bench.end(n);

‎benchmark/assert/deepequal-prims-and-objs-big-array-set.js‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -26,7 +26,7 @@ const bench = common.createBenchmark(main, {
2626

2727
function run(fn, n, actual, expected) {
2828
bench.start();
29-
for (var i = 0; i < n; ++i) {
29+
for (let i = 0; i < n; ++i) {
3030
fn(actual, expected);
3131
}
3232
bench.end(n);
@@ -38,7 +38,7 @@ function main({ n, len, primitive, method, strict }) {
3838
const expected = [];
3939
const expectedWrong = [];
4040

41-
for (var x = 0; x < len; x++) {
41+
for (let x = 0; x < len; x++) {
4242
actual.push(prim);
4343
expected.push(prim);
4444
expectedWrong.push(prim);

‎benchmark/assert/deepequal-prims-and-objs-big-loop.js‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -31,7 +31,7 @@ function main({ n, primitive, method, strict }) {
3131
const value2 = method.includes('not') ? expectedWrong : expected;
3232

3333
bench.start();
34-
for (var i = 0; i < n; ++i) {
34+
for (let i = 0; i < n; ++i) {
3535
fn([actual], [value2]);
3636
}
3737
bench.end(n);

‎benchmark/assert/deepequal-set.js‎

Lines changed: 22 additions & 18 deletions
Original file line numberDiff line numberDiff line change
@@ -24,7 +24,7 @@ function benchmark(method, n, values, values2) {
2424
const deepCopy = JSON.parse(JSON.stringify(values2 ? values2 : values));
2525
const expected = new Set(deepCopy);
2626
bench.start();
27-
for (var i = 0; i < n; ++i) {
27+
for (let i = 0; i < n; ++i) {
2828
method(actual, expected);
2929
}
3030
bench.end(n);
@@ -33,45 +33,49 @@ function benchmark(method, n, values, values2) {
3333
function main({ n, len, method, strict }) {
3434
const array = Array(len).fill(1);
3535

36-
var values, values2;
37-
3836
switch (method) {
3937
case '':
4038
// Empty string falls through to next line as default, mostly for tests.
41-
case 'deepEqual_primitiveOnly':
42-
values = array.map((_, i) => `str_${i}`);
39+
case 'deepEqual_primitiveOnly': {
40+
const values = array.map((_, i) => `str_${i}`);
4341
benchmark(strict ? deepStrictEqual : deepEqual, n, values);
4442
break;
45-
case 'deepEqual_objectOnly':
46-
values = array.map((_, i) => [`str_${i}`, null]);
43+
}
44+
case 'deepEqual_objectOnly': {
45+
const values = array.map((_, i) => [`str_${i}`, null]);
4746
benchmark(strict ? deepStrictEqual : deepEqual, n, values);
4847
break;
49-
case 'deepEqual_mixed':
50-
values = array.map((_, i) => {
48+
}
49+
case 'deepEqual_mixed': {
50+
const values = array.map((_, i) => {
5151
return i % 2 ? [`str_${i}`, null] : `str_${i}`;
5252
});
5353
benchmark(strict ? deepStrictEqual : deepEqual, n, values);
5454
break;
55-
case 'notDeepEqual_primitiveOnly':
56-
values = array.map((_, i) => `str_${i}`);
57-
values2 = values.slice(0);
55+
}
56+
case 'notDeepEqual_primitiveOnly': {
57+
const values = array.map((_, i) => `str_${i}`);
58+
const values2 = values.slice(0);
5859
values2[Math.floor(len / 2)] = 'w00t';
5960
benchmark(strict ? notDeepStrictEqual : notDeepEqual, n, values, values2);
6061
break;
61-
case 'notDeepEqual_objectOnly':
62-
values = array.map((_, i) => [`str_${i}`, null]);
63-
values2 = values.slice(0);
62+
}
63+
case 'notDeepEqual_objectOnly': {
64+
const values = array.map((_, i) => [`str_${i}`, null]);
65+
const values2 = values.slice(0);
6466
values2[Math.floor(len / 2)] = ['w00t'];
6567
benchmark(strict ? notDeepStrictEqual : notDeepEqual, n, values, values2);
6668
break;
67-
case 'notDeepEqual_mixed':
68-
values = array.map((_, i) => {
69+
}
70+
case 'notDeepEqual_mixed': {
71+
const values = array.map((_, i) => {
6972
return i % 2 ? [`str_${i}`, null] : `str_${i}`;
7073
});
71-
values2 = values.slice();
74+
const values2 = values.slice();
7275
values2[0] = 'w00t';
7376
benchmark(strict ? notDeepStrictEqual : notDeepEqual, n, values, values2);
7477
break;
78+
}
7579
default:
7680
throw new Error(`Unsupported method "${method}"`);
7781
}

‎benchmark/assert/deepequal-typedarrays.js‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -36,7 +36,7 @@ function main({ type, n, len, method, strict }) {
3636
const value2 = method.includes('not') ? expectedWrong : expected;
3737

3838
bench.start();
39-
for (var i = 0; i < n; ++i) {
39+
for (let i = 0; i < n; ++i) {
4040
actual[0] = i;
4141
value2[0] = i;
4242
fn(actual, value2);

‎benchmark/assert/ok.js‎

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -6,9 +6,8 @@ const assert = require('assert');
66
const bench = common.createBenchmark(main, { n: [1e5] });
77

88
function main({ n }) {
9-
var i;
109
bench.start();
11-
for (i = 0; i < n; ++i) {
10+
for (let i = 0; i < n; ++i) {
1211
if (i % 2 === 0)
1312
assert(true);
1413
else

‎benchmark/assert/throws.js‎

Lines changed: 3 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -13,28 +13,27 @@ function main({ n, method }) {
1313
const doNotThrowError = () => { return 'foobar'; };
1414
const regExp = /foobar/;
1515
const message = 'failure';
16-
var i;
1716

1817
switch (method) {
1918
case '':
2019
// Empty string falls through to next line as default, mostly for tests.
2120
case 'doesNotThrow':
2221
bench.start();
23-
for (i = 0; i < n; ++i) {
22+
for (let i = 0; i < n; ++i) {
2423
doesNotThrow(doNotThrowError);
2524
}
2625
bench.end(n);
2726
break;
2827
case 'throws_TypeError':
2928
bench.start();
30-
for (i = 0; i < n; ++i) {
29+
for (let i = 0; i < n; ++i) {
3130
throws(throwError, TypeError, message);
3231
}
3332
bench.end(n);
3433
break;
3534
case 'throws_RegExp':
3635
bench.start();
37-
for (i = 0; i < n; ++i) {
36+
for (let i = 0; i < n; ++i) {
3837
throws(throwError, regExp, message);
3938
}
4039
bench.end(n);

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