breadth-filter - npm Package Compare versions

Comparing version 1.0.0 to 1.1.0

index.js

@@ -1,8 +0,11 @@
-function targetFor (source) {
-  if (Array.isArray(source)) return []
-  if (typeof source === 'object') return {}
+function targetFor (source, destructive) {
+  if (Array.isArray(source)) {
+    return destructive ? source : []
+  } else if (typeof source === 'object') {
+    return destructive ? source : {}
+  }
 }
 
-module.exports = function breadthFilter (root, fn) {
-  const target = targetFor(root)
+module.exports = function breadthFilter (root, fn, destructive) {
+  const target = targetFor(root, destructive)
   if (!target) return root
@@ -17,3 +20,3 @@
       const fieldPath = path.concat(key)
-      const newTarget = targetFor(value)
+      const newTarget = targetFor(value, destructive)
       if (newTarget) {
@@ -20,0 +23,0 @@ target[key] = newTarget

package.json

 {
   "name": "breadth-filter",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "Breadth-first deep object filter",
@@ -5,0 +5,0 @@ "author": "Stephen Belanger <[e-mail]> (https://github.com/qard)",

test.js

@@ -123,3 +123,3 @@ const tap = require('tap')
 
-tap.test('does not mutate', (t) => {
+tap.test('does not mutate by default', (t) => {
   const input = {
@@ -148,1 +148,26 @@ foo: {
 })
+
+tap.test('mutates in destructive mode', (t) => {
+  const input = {
+    foo: {
+      bar: {
+        baz: 'buz'
+      },
+      bux: 'bax'
+    }
+  }
+
+  breadthFilter(input, reverse, true)
+
+  const expected = {
+    foo: {
+      bar: {
+        baz: 'zub'
+      },
+      bux: 'xab'
+    }
+  }
+
+  t.deepEqual(input, expected, 'matches expected output')
+  t.end()
+})

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Improved metrics

Total package byte prevSize

5438

increased by9.93%

Lines of code

170

increased by16.44%

No dependency changes