From a3a864c98f7c6a90a4828095db34ad8ce379350d Mon Sep 17 00:00:00 2001
From: adammabin <adam.mabin@gmail.com>
Date: Thu, 15 Sep 2022 07:58:20 +0100
Subject: [PATCH] Add ToKeyValuePairs1D

---
 build.rbxlx                        | 11 ++++++++
 build.rbxlx.lock                   |  5 ++++
 src/Map/ToKeyValuePairs1D.lua      | 14 ++++++++++
 src/Map/ToKeyValuePairs1D.spec.lua | 41 ++++++++++++++++++++++++++++++
 4 files changed, 71 insertions(+)
 create mode 100644 build.rbxlx.lock
 create mode 100644 src/Map/ToKeyValuePairs1D.lua
 create mode 100644 src/Map/ToKeyValuePairs1D.spec.lua

diff --git a/build.rbxlx b/build.rbxlx
index 501340e..ecc3715 100644
--- a/build.rbxlx
+++ b/build.rbxlx
@@ -980,6 +980,11 @@ local function Merge1D<T>(...: {T}): {T}
 
     for SubArrayIndex = 2, select("#", ...) do
         local SubArray = select(SubArrayIndex, ...)
+
+        if (not SubArray) then
+            continue
+        end
+
         local Size = #SubArray
         table.move(SubArray, 1, Size, Index, Result)
         Index += Size
@@ -1848,6 +1853,12 @@ local function Merge1D(...)
     local Result = {}
 
     for Index = 1, select("#", ...) do
+        local Table = select(Index, ...)
+
+        if (not Table) then
+            continue
+        end
+
         for Key, Value in select(Index, ...) do
             Result[Key] = Value
         end
diff --git a/build.rbxlx.lock b/build.rbxlx.lock
new file mode 100644
index 0000000..0f3c041
--- /dev/null
+++ b/build.rbxlx.lock
@@ -0,0 +1,5 @@
+5284
+RobloxStudioBeta
+ADAM-PC
+8fadebc4-bf3a-4c4a-bb47-5300124d5ff3
+
diff --git a/src/Map/ToKeyValuePairs1D.lua b/src/Map/ToKeyValuePairs1D.lua
new file mode 100644
index 0000000..8cad132
--- /dev/null
+++ b/src/Map/ToKeyValuePairs1D.lua
@@ -0,0 +1,14 @@
+local function ToKeyValuePairs1D<K, V>(Structure: {[K]: V}): {{Key: K, Value: V}}
+    local Result = {}
+
+    for Key, Value in Structure do
+        table.insert(Result, {
+            Key = Key;
+            Value = Value;
+        })
+    end
+
+    return Result
+end
+
+return ToKeyValuePairs1D
\ No newline at end of file
diff --git a/src/Map/ToKeyValuePairs1D.spec.lua b/src/Map/ToKeyValuePairs1D.spec.lua
new file mode 100644
index 0000000..7ef01ea
--- /dev/null
+++ b/src/Map/ToKeyValuePairs1D.spec.lua
@@ -0,0 +1,41 @@
+return function()
+    local ToKeyValuePairs1D = require(script.Parent.ToKeyValuePairs1D)
+
+    describe("Map/ToKeyValuePairs1D", function()
+        it("should return a blank array given an empty table", function()
+            expect(#ToKeyValuePairs1D({})).to.equal(0)
+        end)
+
+        it("should return a single key-value pair for a single item table", function()
+            local Result = ToKeyValuePairs1D({A = 1})
+            expect(#Result).to.equal(1)
+            expect(Result[1].Key).to.equal("A")
+            expect(Result[1].Value).to.equal(1)
+        end)
+
+        it("should return a key-value pair for each item in the table", function()
+            local Result = ToKeyValuePairs1D({A = 1, B = 2, C = 3})
+            expect(#Result).to.equal(3)
+
+            local function ArrayItemSatisfies(Condition)
+                for _, Pair in Result do
+                    if Condition(Pair) then
+                        return true
+                    end
+                end
+            end
+
+            expect(ArrayItemSatisfies(function(Pair)
+                return Pair.Key == "A" and Pair.Value == 1
+            end)).to.equal(true)
+
+            expect(ArrayItemSatisfies(function(Pair)
+                return Pair.Key == "B" and Pair.Value == 2
+            end)).to.equal(true)
+
+            expect(ArrayItemSatisfies(function(Pair)
+                return Pair.Key == "C" and Pair.Value == 3
+            end)).to.equal(true)
+        end)
+    end)
+end
\ No newline at end of file