nanoutils - npm Package Compare versions

Comparing version 0.0.2 to 0.0.3-dev.0

lib/eq/eq.test.js

 var eq = require('.')
 
-test('confirms variables are equal', () => {
+test('confirms that strings are equal', () => {
+  expect(eq('1', '1')).toBeTruthy()
+  expect(eq('1', 'a')).toBeFalsy()
+})
+
+test('confirms that numbers are equal', () => {
   expect(eq(1, 1)).toBeTruthy()
+  expect(eq(1, -1)).toBeFalsy()
 })
 
-test('confirms that variables are not equal', () => {
-  expect(eq(1, 'lol')).toBeFalsy()
+describe('confirms that arrays are equal', () => {
+  test('default arrays', () => {
+    expect(eq([1, 2, 3], [1, 2, 3])).toBeTruthy()
+    expect(eq([1, 2, 3], [1, 2, 'aasdf'])).toBeFalsy()
+  })
+
+  test('nested arrays', () => {
+    expect(eq([1, 2, [3, [4]]], [1, 2, [3, [4]]])).toBeTruthy()
+    expect(eq([1, 2, [3, [4]]], [1, 2, [3, [5]]])).toBeFalsy()
+  })
+
+  test('circular arrays', () => {
+    var a = [1, 2, 3]
+    var b = [1, 2, 3]
+    a.push(b, [b], [[b]])
+    b.push(b, [b], [[b]])
+    expect(eq(a, b)).toBeTruthy()
+  })
+
+  test('mirror arrays', () => {
+    var a = [1, 2, 3]
+    var b = [1, 2, 3]
+    a.push(a)
+    b.push(b)
+    expect(eq(a, b)).toBeTruthy()
+  })
 })
+
+describe('confirms that objects are equal', () => {
+  test('default objects', () => {
+    expect(eq({ a: 1, b: 'test' }, { a: 1, b: 'test' })).toBeTruthy()
+    expect(eq({ a: 2, b: 'test' }, { a: 1, b: 'test' })).toBeFalsy()
+  })
+
+  test('nested objects', () => {
+    var a = { a: 1, b: { c: { d: 'test', lol: null } } }
+    var b = { a: 1, b: { c: { d: 'test', lol: null } } }
+    var c = { a: 1, b: { c: null } }
+    expect(eq(a, b)).toBeTruthy()
+    expect(eq(a, c)).toBeFalsy()
+  })
+
+  test('circular objects', () => {
+    var a = { a: 1, b: 2, c: 3 }
+    var b = { a: 1, b: 2, c: 3 }
+    a.d = a
+    b.d = a
+    expect(eq(a, b)).toBeTruthy()
+  })
+
+  test('mirror objects', () => {
+    var a = { a: 1, b: 2, c: 3 }
+    var b = { a: 1, b: 2, c: 3 }
+    a.d = a
+    b.d = b
+    expect(eq(a, b)).toBeTruthy()
+  })
+})
+
+test('confirms that functions are equal', () => {
+  var a = function a() {}
+  expect(eq(a, a)).toBeTruthy()
+})

lib/eq/index.js

@@ -1,5 +0,47 @@
-var curry = require('../curry')
+var curryN = require('../curryN')
 
-module.exports = curry(function eq(a, b) {
-  return a === b
-})
+var map
+try {
+  map = Map
+} catch (_) {}
+var set
+
+try {
+  set = Set
+} catch (_) {}
+
+function eq(a, b, circulars) {
+  var circ = (circulars || []).concat([a, b])
+  if (a === b) return true
+  if (a === null || b == null) return a === b
+  if (a === undefined || b == undefined) return a === b
+  if (typeof a !== typeof b) return false
+  if (a instanceof Date) {
+    return a.getTime() === b.getTime()
+  }
+  if (a instanceof RegExp) {
+    return a.toString() === b.toString()
+  }
+  if (set && a instanceof set) {
+    return eq(a.values(), b.values(), circ)
+  }
+  if (map && a instanceof map) {
+    return eq(a.entries(), b.entries(), circ)
+  }
+  if (typeof a === 'object' && typeof b === 'object') {
+    var keys = Object.keys(a)
+    return (
+      keys.length === Object.keys(b).length &&
+      keys.every(function(key) {
+        return circ.some(function(c) {
+          return c === a[key]
+        })
+          ? a[key] === b[key]
+          : eq(a[key], b[key], circ)
+      })
+    )
+  }
+  return false
+}
+
+module.exports = curryN(2, eq)

lib/eqBy/index.js

@@ -0,5 +1,6 @@
+var eq = require('../eq')
 var curry = require('../curry')
 
 module.exports = curry(function eqBy(cb, a, b) {
-  return cb(a) === cb(b)
+  return eq(cb(a), cb(b))
 })

package.json

 {
   "name": "nanoutils",
-  "version": "0.0.2",
+  "version": "0.0.3-dev.0",
   "description": "Tiniest JavaScript utils library",
   "main": "index.js",
+  "module": "index.js",
   "repository": "https://github.com/kelin2025/nanoutils",
@@ -7,0 +8,0 @@ "author": "Kelin2025 <[e-mail]>",

No alert changes

Improved metrics

Total package byte prevSize

69408

increased by13.83%

Number of package files

212

increased by4.95%

Lines of code

2123

increased by12.99%

No dependency changes