feat(grid): add size getter and hasHex() method

flauwekeul · Jul 26, 2022 · eb41e71 · eb41e71
1 parent 0748558
commit eb41e71
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diff --git a/src/grid/grid.ts b/src/grid/grid.ts
@@ -22,6 +22,10 @@ export class Grid<T extends Hex> implements Iterable<T> {
     return 'Grid'
   }
 
+  get size() {
+    return this.hexes.size
+  }
+
   [Symbol.iterator]() {
     return this.hexes.values()
   }
@@ -51,6 +55,10 @@ export class Grid<T extends Hex> implements Iterable<T> {
     return this.hexes.get(hex.toString())
   }
 
+  hasHex(hex: T): boolean {
+    return this.hexes.has(hex.toString())
+  }
+
   setHexes(hexes: Iterable<T>): this {
     for (const hex of hexes) {
       this.hexes.set(hex.toString(), hex)

diff --git a/src/grid/types.ts b/src/grid/types.ts
@@ -1,5 +1,6 @@
 import { Hex, HexCoordinates } from '../hex'
 
+// todo: rename to Producer / HexGenerator / ...?
 export interface Traverser<T extends Hex, R extends Iterable<T> = Iterable<T>> {
   (createHex: (coordinates?: HexCoordinates) => T, cursor?: HexCoordinates): R
 }