Merge pull request #53 from GrimoireGL/feat/number-array

feat: add number array converter

src/Converters/NumberArrayConverter.ts

@@ -0,0 +1,12 @@
+import Attribute from "grimoirejs/ref/Node/Attribute";
+function NumberArrayConverter(this: Attribute, val: any): any {
+    if(typeof val === "string"){
+        return new Float32Array(val.split(",").map(f=>parseFloat(f)));
+    }else if(Array.isArray(val)){
+        return new Float32Array(val);
+    }else if(val instanceof Float32Array){
+        return val;
+    }
+  }
+
+  export default NumberArrayConverter;

src/main.ts

@@ -6,7 +6,7 @@ import Rotation3Converter from "./Converters/Rotation3Converter";
 import Angle2DConverter from "./Converters/Angle2DConverter";
 import Color3Converter from "./Converters/Color3Converter";
 import Color4Converter from "./Converters/Color4Converter";
-
+import NumberArrayConverter from "./Converters/NumberArrayConverter";
 
 export default () => {
   gr.register(async () => {
@@ -17,5 +17,6 @@ export default () => {
     gr.registerConverter("Color4", Color4Converter);
     gr.registerConverter("Rotation3", Rotation3Converter);
     gr.registerConverter("Angle2D", Angle2DConverter);
+    gr.registerConverter("NumberArray",NumberArrayConverter);
   });
 }

test/NumberArrayTest.js

@@ -0,0 +1,28 @@
+import test from 'ava';
+import NumberArrayConverter from '../lib-es5/Converters/NumberArrayConverter';
+
+test('parse from string', (t) => {
+    const arr = NumberArrayConverter("1,2,3,4,5");
+    const correct = [1,2,3,4,5];
+    t.true(arr instanceof Float32Array);
+    t.true(correct.filter((v,i)=>arr[i] !== v).length === 0);
+    t.true(arr.length === correct.length);
+});
+
+
+test('parse from raw array', (t) => {
+    const arr = NumberArrayConverter([1,2,3,4,5]);
+    const correct = [1,2,3,4,5];
+    t.true(arr instanceof Float32Array);
+    t.true(correct.filter((v,i)=>arr[i] !== v).length === 0);
+    t.true(arr.length === correct.length);
+});
+
+
+test('parse from Float32Array', (t) => {
+    const arr = NumberArrayConverter(new Float32Array([1,2,3,4,5]));
+    const correct = [1,2,3,4,5];
+    t.true(arr instanceof Float32Array);
+    t.true(correct.filter((v,i)=>arr[i] !== v).length === 0);
+    t.true(arr.length === correct.length);
+});