Use at-least-node instead of homespun version sniffing (#760)

* Use at-least-node instead of homespun version sniffing

* Remove semver devDep; use at-least-node in tests

lib/fs/__tests__/multi-param.test.js

@@ -4,13 +4,13 @@ const assert = require('assert')
 const path = require('path')
 const crypto = require('crypto')
 const os = require('os')
-const semver = require('semver')
+const atLeastNode = require('at-least-node')
 const fs = require('../..')
 
 const SIZE = 1000
 
 // Used for tests on Node 12.9.0+ only
-const describeNode12 = semver.gte(process.version, '12.9.0') ? describe : describe.skip
+const describeNode12 = atLeastNode('12.9.0') ? describe : describe.skip
 
 describe('fs.read()', () => {
   let TEST_FILE

lib/util/__tests__/stat.test.js

@@ -4,7 +4,7 @@ const fs = require(process.cwd())
 const os = require('os')
 const path = require('path')
 const assert = require('assert')
-const semver = require('semver')
+const atLeastNode = require('at-least-node')
 const stat = require('../stat.js')
 
 const NODE_VERSION_WITH_BIGINT = '10.5.0'
@@ -23,15 +23,14 @@ describe('util/stat', () => {
 
   describe('should use stats with bigint type for node versions >= 10.5.0 and number type for older versions', () => {
     it('stat.checkPaths()', () => {
-      const nodeVersion = process.versions.node
       const src = path.join(TEST_DIR, 'src')
       const dest = path.join(TEST_DIR, 'dest')
       fs.ensureFileSync(src)
       fs.ensureFileSync(dest)
       stat.checkPaths(src, dest, 'copy', (err, stats) => {
         assert.ifError(err)
         const { srcStat } = stats
-        if (semver.gte(nodeVersion, NODE_VERSION_WITH_BIGINT)) {
+        if (atLeastNode(NODE_VERSION_WITH_BIGINT)) {
           assert.strictEqual(typeof srcStat.ino, 'bigint')
         } else {
           assert.strictEqual(typeof srcStat.ino, 'number')
@@ -40,13 +39,12 @@ describe('util/stat', () => {
     })
 
     it('stat.checkPathsSync()', () => {
-      const nodeVersion = process.versions.node
       const src = path.join(TEST_DIR, 'src')
       const dest = path.join(TEST_DIR, 'dest')
       fs.ensureFileSync(src)
       fs.ensureFileSync(dest)
       const { srcStat } = stat.checkPathsSync(src, dest, 'copy')
-      if (semver.gte(nodeVersion, NODE_VERSION_WITH_BIGINT)) {
+      if (atLeastNode(NODE_VERSION_WITH_BIGINT)) {
         assert.strictEqual(typeof srcStat.ino, 'bigint')
       } else {
         assert.strictEqual(typeof srcStat.ino, 'number')

lib/util/stat.js

@@ -2,32 +2,12 @@
 
 const fs = require('graceful-fs')
 const path = require('path')
+const atLeastNode = require('at-least-node')
 
-const NODE_VERSION_MAJOR_WITH_BIGINT = 10
-const NODE_VERSION_MINOR_WITH_BIGINT = 5
-const NODE_VERSION_PATCH_WITH_BIGINT = 0
-const nodeVersion = process.versions.node.split('.')
-const nodeVersionMajor = Number.parseInt(nodeVersion[0], 10)
-const nodeVersionMinor = Number.parseInt(nodeVersion[1], 10)
-const nodeVersionPatch = Number.parseInt(nodeVersion[2], 10)
-
-function nodeSupportsBigInt () {
-  if (nodeVersionMajor > NODE_VERSION_MAJOR_WITH_BIGINT) {
-    return true
-  } else if (nodeVersionMajor === NODE_VERSION_MAJOR_WITH_BIGINT) {
-    if (nodeVersionMinor > NODE_VERSION_MINOR_WITH_BIGINT) {
-      return true
-    } else if (nodeVersionMinor === NODE_VERSION_MINOR_WITH_BIGINT) {
-      if (nodeVersionPatch >= NODE_VERSION_PATCH_WITH_BIGINT) {
-        return true
-      }
-    }
-  }
-  return false
-}
+const nodeSupportsBigInt = atLeastNode('10.5.0')
 
 function getStats (src, dest, cb) {
-  if (nodeSupportsBigInt()) {
+  if (nodeSupportsBigInt) {
     fs.stat(src, { bigint: true }, (err, srcStat) => {
       if (err) return cb(err)
       fs.stat(dest, { bigint: true }, (err, destStat) => {
@@ -54,13 +34,13 @@ function getStats (src, dest, cb) {
 
 function getStatsSync (src, dest) {
   let srcStat, destStat
-  if (nodeSupportsBigInt()) {
+  if (nodeSupportsBigInt) {
     srcStat = fs.statSync(src, { bigint: true })
   } else {
     srcStat = fs.statSync(src)
   }
   try {
-    if (nodeSupportsBigInt()) {
+    if (nodeSupportsBigInt) {
       destStat = fs.statSync(dest, { bigint: true })
     } else {
       destStat = fs.statSync(dest)
@@ -105,7 +85,7 @@ function checkParentPaths (src, srcStat, dest, funcName, cb) {
   const srcParent = path.resolve(path.dirname(src))
   const destParent = path.resolve(path.dirname(dest))
   if (destParent === srcParent || destParent === path.parse(destParent).root) return cb()
-  if (nodeSupportsBigInt()) {
+  if (nodeSupportsBigInt) {
     fs.stat(destParent, { bigint: true }, (err, destStat) => {
       if (err) {
         if (err.code === 'ENOENT') return cb()
@@ -136,7 +116,7 @@ function checkParentPathsSync (src, srcStat, dest, funcName) {
   if (destParent === srcParent || destParent === path.parse(destParent).root) return
   let destStat
   try {
-    if (nodeSupportsBigInt()) {
+    if (nodeSupportsBigInt) {
       destStat = fs.statSync(destParent, { bigint: true })
     } else {
       destStat = fs.statSync(destParent)
@@ -153,7 +133,7 @@ function checkParentPathsSync (src, srcStat, dest, funcName) {
 
 function areIdentical (srcStat, destStat) {
   if (destStat.ino && destStat.dev && destStat.ino === srcStat.ino && destStat.dev === srcStat.dev) {
-    if (nodeSupportsBigInt() || destStat.ino < Number.MAX_SAFE_INTEGER) {
+    if (nodeSupportsBigInt || destStat.ino < Number.MAX_SAFE_INTEGER) {
       // definitive answer
       return true
     }

package.json

@@ -37,6 +37,7 @@
   "author": "JP Richardson <jprichardson@gmail.com>",
   "license": "MIT",
   "dependencies": {
+    "at-least-node": "^1.0.0",
     "graceful-fs": "^4.2.0",
     "jsonfile": "^4.0.0",
     "universalify": "^0.1.0"
@@ -50,7 +51,6 @@
     "nyc": "^15.0.0",
     "proxyquire": "^2.0.1",
     "read-dir-files": "^0.1.1",
-    "semver": "^5.3.0",
     "standard": "^14.1.0"
   },
   "main": "./lib/index.js",