import {Collection, Model, Types} from "../../../lib/index"; import assert from "assert"; class Product extends Model { structure() { return { name: Types.String, price: Types.Number }; } } describe("Collection.some", () => { it("some()", () => { class Products extends Collection { Model() { return Product; } } const products = new Products([ {name: "Eggs", price: 1.8}, {name: "Pie", price: 10}, {name: "Milk", price: 4} ]); let result = products.some((product) => product.get("price")! > 5 ); assert.strictEqual( result, true ); result = products.some((product) => product.get("price")! > 20 ); assert.strictEqual( result, false ); }); it("some(f, context)", () => { class Products extends Collection { Model() { return Product; } } const products = new Products([ {name: "Eggs", price: 1.2} ]); const context = { changed: false, handler() { this.changed = true; return true; } }; products.some(context.handler, context); assert.strictEqual(context.changed, true); }); });