[ts] Replace Array constructors with dynamic initialization (#2955)

* [ts] Replace Array constructors with dynamic initialization

---------

Co-authored-by: Davide Tantillo <iamdjj@gmail.com>

spine-ts/spine-core/src/SkeletonBinary.ts

@@ -648,7 +648,7 @@ export class SkeletonBinary {
 	}
 
 	private readFloatArray (input: BinaryInput, n: number, scale: number): number[] {
-		const array = new Array<number>(n);
+		const array: number[] = [];
 		if (scale === 1) {
 			for (let i = 0; i < n; i++)
 				array[i] = input.readFloat();
@@ -660,7 +660,7 @@ export class SkeletonBinary {
 	}
 
 	private readShortArray (input: BinaryInput, n: number): number[] {
-		const array = new Array<number>(n);
+		const array: number[] = [];
 		for (let i = 0; i < n; i++)
 			array[i] = input.readInt(true);
 		return array;

spine-ts/spine-core/src/Utils.ts

@@ -301,7 +301,7 @@ export class Utils {
 	}
 
 	static newArray<T> (size: number, defaultValue: T): Array<T> {
-		const array = new Array<T>(size);
+		const array: T[] = [];
 		for (let i = 0; i < size; i++) array[i] = defaultValue;
 		return array;
 	}
@@ -310,7 +310,7 @@ export class Utils {
 		if (Utils.SUPPORTS_TYPED_ARRAYS)
 			return new Float32Array(size)
 		else {
-			const array = new Array<number>(size);
+			const array: number[] = [];
 			for (let i = 0; i < array.length; i++) array[i] = 0;
 			return array;
 		}
@@ -320,7 +320,7 @@ export class Utils {
 		if (Utils.SUPPORTS_TYPED_ARRAYS)
 			return new Int16Array(size)
 		else {
-			const array = new Array<number>(size);
+			const array: number[] = [];
 			for (let i = 0; i < array.length; i++) array[i] = 0;
 			return array;
 		}

spine-ts/spine-core/src/attachments/Attachment.ts

@@ -146,7 +146,7 @@ export abstract class VertexAttachment extends Attachment {
 	/** Does not copy id (generated) or name (set on construction). **/
 	copyTo (attachment: VertexAttachment) {
 		if (this.bones) {
-			attachment.bones = new Array<number>(this.bones.length);
+			attachment.bones = [];
 			Utils.arrayCopy(this.bones, 0, attachment.bones, 0, this.bones.length);
 		} else
 			attachment.bones = null;

spine-ts/spine-core/src/attachments/MeshAttachment.ts

@@ -176,11 +176,11 @@ export class MeshAttachment extends VertexAttachment implements HasTextureRegion
 		copy.color.setFromColor(this.color);
 
 		this.copyTo(copy);
-		copy.regionUVs = new Array<number>(this.regionUVs.length);
+		copy.regionUVs = [];
 		Utils.arrayCopy(this.regionUVs, 0, copy.regionUVs, 0, this.regionUVs.length);
-		copy.uvs = this.uvs instanceof Float32Array ? Utils.newFloatArray(this.uvs.length) : new Array<number>(this.uvs.length);
+		copy.uvs = this.uvs instanceof Float32Array ? Utils.newFloatArray(this.uvs.length) : [];
 		Utils.arrayCopy(this.uvs, 0, copy.uvs, 0, this.uvs.length);
-		copy.triangles = new Array<number>(this.triangles.length);
+		copy.triangles = [];
 		Utils.arrayCopy(this.triangles, 0, copy.triangles, 0, this.triangles.length);
 		copy.hullLength = this.hullLength;
 
@@ -188,7 +188,7 @@ export class MeshAttachment extends VertexAttachment implements HasTextureRegion
 
 		// Nonessential.
 		if (this.edges) {
-			copy.edges = new Array<number>(this.edges.length);
+			copy.edges = [];
 			Utils.arrayCopy(this.edges, 0, copy.edges, 0, this.edges.length);
 		}
 		copy.width = this.width;

spine-ts/spine-core/src/attachments/PathAttachment.ts

@@ -56,7 +56,7 @@ export class PathAttachment extends VertexAttachment {
 	copy (): Attachment {
 		const copy = new PathAttachment(this.name);
 		this.copyTo(copy);
-		copy.lengths = new Array<number>(this.lengths.length);
+		copy.lengths = [];
 		Utils.arrayCopy(this.lengths, 0, copy.lengths, 0, this.lengths.length);
 		copy.closed = closed;
 		copy.constantSpeed = this.constantSpeed;

spine-ts/spine-player/src/Player.ts

@@ -803,7 +803,7 @@ export class SpinePlayer implements Disposable {
 		let minX = 100000000, maxX = -100000000, minY = 100000000, maxY = -100000000;
 		const offset = new Vector2(), size = new Vector2();
 
-		const tempArray = new Array<number>(2);
+		const tempArray = [0, 0];
 		for (let i = 0; i < steps; i++, time += stepTime) {
 			animation.apply(this.skeleton!, time, time, false, [], 1, MixBlend.setup, MixDirection.in, false);
 			this.skeleton!.updateWorldTransform(Physics.update);

spine-ts/spine-webcomponents/src/SpineWebComponentSkeleton.ts

@@ -1276,7 +1276,7 @@ export class SpineWebComponentSkeleton extends HTMLElement implements Disposable
 		skeleton.setupPose();
 
 		const offset = new Vector2(), size = new Vector2();
-		const tempArray = new Array<number>(2);
+		const tempArray = [0, 0];
 		if (!animation) {
 			skeleton.updateWorldTransform(Physics.update);
 			skeleton.getBounds(offset, size, tempArray, renderer.skeletonRenderer.getSkeletonClipping());