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@ribajs/core

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Core module of Riba.js

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import { Riba } from "../riba.js"; import { dotAdapter } from "../adapters/dot.adapter.js"; import { UnlessBinder } from "./unless.binder.js"; import { EachStarBinder } from "./each-item.binder.js"; describe("unless", () => { const riba = new Riba(); riba.module.adapter.register(dotAdapter); riba.module.binder.register(UnlessBinder); let el; let model; let fragment; beforeEach(() => { fragment = document.createDocumentFragment(); el = document.createElement("div"); el.setAttribute("rv-unless", "data.show"); el.innerHTML = "{ data.count }"; fragment.appendChild(el); model = { data: { show: false, count: 1, }, }; }); it("Removes element with bound key inside if the value is true", () => { riba.bind(fragment, model); model.data.show = true; expect(fragment.childNodes.length).toEqual(1); }); it("Shows if the value is false", () => { riba.bind(fragment, model); model.data.show = false; expect(fragment.childNodes).toHaveLength(2); expect(fragment.childNodes[1].innerHTML).toEqual("1"); }); it("Removes when element becomes remove again", () => { riba.bind(fragment, model); model.data.show = false; model.data.count = 2; model.data.show = true; expect(fragment.childNodes.length).toEqual(1); }); it("Shows if the value is falsey - zero", () => { riba.bind(fragment, model); model.data.show = 0; expect(fragment.childNodes).toHaveLength(2); expect(fragment.childNodes[1].innerHTML).toEqual("1"); }); it("Shows if the value is falsey - empty string", () => { riba.bind(fragment, model); model.data.show = ""; expect(fragment.childNodes).toHaveLength(2); expect(fragment.childNodes[1].innerHTML).toEqual("1"); }); it("Shows if the value is falsey - undefined", () => { riba.bind(fragment, model); model.data.show = undefined; expect(fragment.childNodes).toHaveLength(2); expect(fragment.childNodes[1].innerHTML).toEqual("1"); }); it("Rebindes nested unless", () => { const nestedEl = document.createElement("div"); nestedEl.setAttribute("rv-unless", "data.showNested"); nestedEl.innerHTML = "{ data.countNested }"; el.appendChild(nestedEl); riba.bind(fragment, model); model.data.countNested = "1"; model.data.showNested = false; expect(nestedEl.innerHTML).toEqual("1"); model.data.show = true; model.data.show = false; model.data.countNested = "42"; expect(nestedEl.innerHTML).toEqual("42"); }); it("Respects nested if state after rebind", () => { const nestedEl = document.createElement("div"); nestedEl.setAttribute("rv-unless", "data.showNested"); el.appendChild(nestedEl); model.data.show = false; riba.bind(fragment, model); model.data.showNested = false; expect(el.contains(nestedEl)).toBeTruthy(); model.data.show = true; model.data.showNested = true; model.data.show = false; expect(el.contains(nestedEl)).toBeFalsy(); }); it("Does not throw when root scope is reset", () => { el.setAttribute("rv-unless", "scope.error.errors"); el.innerHTML = "<div>{scope.error.errors.email}</div>"; model = { scope: { error: { errors: { email: "not a valid address", }, }, }, }; const resetRootScope = jest.fn(() => { model.scope.error = {}; return; }); riba.bind(el, model); resetRootScope(); expect(resetRootScope).toHaveReturned(); }); }); describe("Array observe and unobserve", () => { const riba = new Riba(); riba.module.binder.register(EachStarBinder); let fragment; let el1; let elEach; let el2; let el3; let model; beforeEach(() => { fragment = document.createDocumentFragment(); el1 = document.createElement("div"); el1.setAttribute("rv-unless", "scope.hidden"); el2 = document.createElement("div"); elEach = document.createElement("div"); elEach.setAttribute("rv-each-item", "scope.items"); elEach.innerHTML = "{item.data}"; el2.appendChild(elEach); el1.appendChild(el2); el3 = document.createElement("div"); elEach = document.createElement("div"); elEach.setAttribute("rv-each-item", "scope.items"); elEach.innerHTML = "{item.data}"; el3.appendChild(elEach); fragment.appendChild(el1); fragment.appendChild(el3); model = { scope: { items: [], hidden: false } }; }); it("Observes array changes after another array binding is unbound", () => { riba.bind(fragment, model); model.scope.items.push({ data: "data" }); expect(el3.childNodes.length).toEqual(2); model.scope.items.push({ data: "data" }); expect(el3.childNodes.length).toEqual(3); model.scope.hidden = true; model.scope.items.push({ data: "data" }); expect(el3.childNodes.length).toEqual(4); }); }); //# 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