chore: add benchmarks (npm#696)

I had these benchmarks from the last time I did some perf research in
this repo, so I thought maybe it was a good idea to have them in the
repo itself, so other people can use them and you guys can verify if the
perf is still good or you had any regression.

.gitignore

@@ -14,6 +14,7 @@ tap-testdir*/
 !/.gitignore
 !/.npmrc
 !/.release-please-manifest.json
+!/benchmarks
 !/bin/
 !/CHANGELOG*
 !/classes/

benchmarks/bench-compare.js

@@ -0,0 +1,48 @@
+const Benchmark = require('benchmark')
+const SemVer = require('../classes/semver')
+const suite = new Benchmark.Suite()
+
+const versions = ['1.0.3', '2.2.2', '2.3.0']
+const versionToCompare = '1.0.2'
+const option1 = { includePrelease: true }
+const option2 = { includePrelease: true, loose: true }
+const option3 = { includePrelease: true, loose: true, rtl: true }
+
+for (const version of versions) {
+  suite.add(`compare ${version} to ${versionToCompare}`, function () {
+    const semver = new SemVer(version)
+    semver.compare(versionToCompare)
+  })
+}
+
+for (const version of versions) {
+  suite.add(
+    `compare ${version} to ${versionToCompare} with option (${JSON.stringify(option1)})`,
+    function () {
+      const semver = new SemVer(version, option1)
+      semver.compare(versionToCompare)
+    })
+}
+
+for (const version of versions) {
+  suite.add(`compare ${version} to ${versionToCompare} with option (${JSON.stringify(option2)})`,
+    function () {
+      const semver = new SemVer(version, option2)
+      semver.compare(versionToCompare)
+    })
+}
+
+for (const version of versions) {
+  suite.add(
+    `compare ${version} to ${versionToCompare} with option (${JSON.stringify(option3)})`,
+    function () {
+      const semver = new SemVer(version, option3)
+      semver.compare(versionToCompare)
+    })
+}
+
+suite
+  .on('cycle', function (event) {
+    console.log(String(event.target))
+  })
+  .run({ async: false })

benchmarks/bench-diff.js

@@ -0,0 +1,21 @@
+const Benchmark = require('benchmark')
+const diff = require('../functions/diff')
+const suite = new Benchmark.Suite()
+
+const cases = [
+  ['0.0.1', '0.0.1-pre', 'patch'],
+  ['0.0.1', '0.0.1-pre-2', 'patch'],
+  ['1.1.0', '1.1.0-pre', 'minor'],
+]
+
+for (const [v1, v2] of cases) {
+  suite.add(`diff(${v1}, ${v2})`, function () {
+    diff(v1, v2)
+  })
+}
+
+suite
+  .on('cycle', function (event) {
+    console.log(String(event.target))
+  })
+  .run({ async: false })

benchmarks/bench-parse-options.js

@@ -0,0 +1,33 @@
+const Benchmark = require('benchmark')
+const parseOptions = require('../internal/parse-options')
+const suite = new Benchmark.Suite()
+
+const options1 = {
+  includePrerelease: true,
+}
+
+const options2 = {
+  includePrerelease: true,
+  loose: true,
+}
+
+const options3 = {
+  includePrerelease: true,
+  loose: true,
+  rtl: false,
+}
+
+suite
+  .add('includePrerelease', function () {
+    parseOptions(options1)
+  })
+  .add('includePrerelease + loose', function () {
+    parseOptions(options2)
+  })
+  .add('includePrerelease + loose + rtl', function () {
+    parseOptions(options3)
+  })
+  .on('cycle', function (event) {
+    console.log(String(event.target))
+  })
+  .run({ async: false })

benchmarks/bench-parse.js

@@ -0,0 +1,25 @@
+const Benchmark = require('benchmark')
+const parse = require('../functions/parse')
+const { MAX_SAFE_INTEGER } = require('../internal/constants')
+const suite = new Benchmark.Suite()
+
+const cases = ['1.2.1', '1.2.2-4', '1.2.3-pre']
+const invalidCases = [`${MAX_SAFE_INTEGER}0.0.0`, 'hello, world', 'xyz']
+
+for (const test of cases) {
+  suite.add(`parse(${test})`, function () {
+    parse(test)
+  })
+}
+
+for (const test of invalidCases) {
+  suite.add(`invalid parse(${test})`, function () {
+    parse(test)
+  })
+}
+
+suite
+  .on('cycle', function (event) {
+    console.log(String(event.target))
+  })
+  .run({ async: false })

benchmarks/bench-satisfies.js

@@ -0,0 +1,39 @@
+const Benchmark = require('benchmark')
+const satisfies = require('../functions/satisfies')
+const suite = new Benchmark.Suite()
+
+const versions = ['1.0.3||^2.0.0', '2.2.2||~3.0.0', '2.3.0||<4.0.0']
+const versionToCompare = '1.0.6'
+const option1 = { includePrelease: true }
+const option2 = { includePrelease: true, loose: true }
+const option3 = { includePrelease: true, loose: true, rtl: true }
+
+for (const version of versions) {
+  suite.add(`satisfies(${versionToCompare}, ${version})`, function () {
+    satisfies(versionToCompare, version)
+  })
+}
+
+for (const version of versions) {
+  suite.add(`satisfies(${versionToCompare}, ${version}, ${JSON.stringify(option1)})`, function () {
+    satisfies(versionToCompare, version, option1)
+  })
+}
+
+for (const version of versions) {
+  suite.add(`satisfies(${versionToCompare}, ${version}, ${JSON.stringify(option2)})`, function () {
+    satisfies(versionToCompare, version, option2)
+  })
+}
+
+for (const version of versions) {
+  suite.add(`satisfies(${versionToCompare}, ${version}, ${JSON.stringify(option3)})`, function () {
+    satisfies(versionToCompare, version, option3)
+  })
+}
+
+suite
+  .on('cycle', function (event) {
+    console.log(String(event.target))
+  })
+  .run({ async: false })

benchmarks/bench-subset.js

@@ -0,0 +1,25 @@
+const Benchmark = require('benchmark')
+const subset = require('../ranges/subset')
+const suite = new Benchmark.Suite()
+
+// taken from tests
+const cases = [
+  // everything is a subset of *
+  ['1.2.3', '*', true],
+  ['^1.2.3', '*', true],
+  ['^1.2.3-pre.0', '*', false],
+  ['^1.2.3-pre.0', '*', true, { includePrerelease: true }],
+  ['1 || 2 || 3', '*', true],
+]
+
+for (const [sub, dom] of cases) {
+  suite.add(`subset(${sub}, ${dom})`, function () {
+    subset(sub, dom)
+  })
+}
+
+suite
+  .on('cycle', function (event) {
+    console.log(String(event.target))
+  })
+  .run({ async: false })

package.json

@@ -15,6 +15,7 @@
   "devDependencies": {
     "@npmcli/eslint-config": "^4.0.0",
     "@npmcli/template-oss": "4.21.3",
+    "benchmark": "^2.1.4",
     "tap": "^16.0.0"
   },
   "license": "ISC",
@@ -71,7 +72,8 @@
       "/ranges/",
       "/index.js",
       "/preload.js",
-      "/range.bnf"
+      "/range.bnf",
+      "/benchmarks"
     ],
     "publish": "true"
   }