@joist/element
Version:
Intelligently apply styles to WebComponents
305 lines • 16 kB
JavaScript
var __runInitializers = (this && this.__runInitializers) || function (thisArg, initializers, value) {
var useValue = arguments.length > 2;
for (var i = 0; i < initializers.length; i++) {
value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);
}
return useValue ? value : void 0;
};
var __esDecorate = (this && this.__esDecorate) || function (ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {
function accept(f) { if (f !== void 0 && typeof f !== "function") throw new TypeError("Function expected"); return f; }
var kind = contextIn.kind, key = kind === "getter" ? "get" : kind === "setter" ? "set" : "value";
var target = !descriptorIn && ctor ? contextIn["static"] ? ctor : ctor.prototype : null;
var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});
var _, done = false;
for (var i = decorators.length - 1; i >= 0; i--) {
var context = {};
for (var p in contextIn) context[p] = p === "access" ? {} : contextIn[p];
for (var p in contextIn.access) context.access[p] = contextIn.access[p];
context.addInitializer = function (f) { if (done) throw new TypeError("Cannot add initializers after decoration has completed"); extraInitializers.push(accept(f || null)); };
var result = (0, decorators[i])(kind === "accessor" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);
if (kind === "accessor") {
if (result === void 0) continue;
if (result === null || typeof result !== "object") throw new TypeError("Object expected");
if (_ = accept(result.get)) descriptor.get = _;
if (_ = accept(result.set)) descriptor.set = _;
if (_ = accept(result.init)) initializers.unshift(_);
}
else if (_ = accept(result)) {
if (kind === "field") initializers.unshift(_);
else descriptor[key] = _;
}
}
if (target) Object.defineProperty(target, contextIn.name, descriptor);
done = true;
};
import { assert } from "chai";
import { element } from "./element.js";
import { listen } from "./listen.js";
describe("@listen()", () => {
it("should add listener to an outer HTMLElement", (done) => {
let MyElement = (() => {
let _classDecorators = [element({
tagName: "listener-1",
})];
let _classDescriptor;
let _classExtraInitializers = [];
let _classThis;
let _classSuper = HTMLElement;
let _instanceExtraInitializers = [];
let _onClick_decorators;
var MyElement = class extends _classSuper {
static { _classThis = this; }
static {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
_onClick_decorators = [listen("click")];
__esDecorate(this, null, _onClick_decorators, { kind: "method", name: "onClick", static: false, private: false, access: { has: obj => "onClick" in obj, get: obj => obj.onClick }, metadata: _metadata }, null, _instanceExtraInitializers);
__esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
MyElement = _classThis = _classDescriptor.value;
if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
__runInitializers(_classThis, _classExtraInitializers);
}
onClick(e) {
assert.equal(e.type, "click");
done();
}
constructor() {
super(...arguments);
__runInitializers(this, _instanceExtraInitializers);
}
};
return MyElement = _classThis;
})();
const el = new MyElement();
document.body.append(el);
el.dispatchEvent(new Event("click"));
el.remove();
});
it("should add listener to the shadow root if available", (done) => {
let MyElement = (() => {
let _classDecorators = [element({
tagName: "listener-2",
shadowDom: [],
})];
let _classDescriptor;
let _classExtraInitializers = [];
let _classThis;
let _classSuper = HTMLElement;
let _instanceExtraInitializers = [];
let _onClick_decorators;
var MyElement = class extends _classSuper {
static { _classThis = this; }
static {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
_onClick_decorators = [listen("click")];
__esDecorate(this, null, _onClick_decorators, { kind: "method", name: "onClick", static: false, private: false, access: { has: obj => "onClick" in obj, get: obj => obj.onClick }, metadata: _metadata }, null, _instanceExtraInitializers);
__esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
MyElement = _classThis = _classDescriptor.value;
if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
__runInitializers(_classThis, _classExtraInitializers);
}
onClick(e) {
assert.equal(e.type, "click");
done();
}
constructor() {
super(...arguments);
__runInitializers(this, _instanceExtraInitializers);
}
};
return MyElement = _classThis;
})();
const el = new MyElement();
document.body.append(el);
el.shadowRoot?.dispatchEvent(new Event("click"));
el.remove();
});
it("should restrict argument to an event or an event subtype", (done) => {
class CustomEvent extends Event {
test = "Hello World";
constructor() {
super("customevent");
}
}
let MyElement = (() => {
let _classDecorators = [element({
tagName: "listener-3",
})];
let _classDescriptor;
let _classExtraInitializers = [];
let _classThis;
let _classSuper = HTMLElement;
let _instanceExtraInitializers = [];
let _onClick_decorators;
var MyElement = class extends _classSuper {
static { _classThis = this; }
static {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
_onClick_decorators = [listen("customevent")];
__esDecorate(this, null, _onClick_decorators, { kind: "method", name: "onClick", static: false, private: false, access: { has: obj => "onClick" in obj, get: obj => obj.onClick }, metadata: _metadata }, null, _instanceExtraInitializers);
__esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
MyElement = _classThis = _classDescriptor.value;
if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
__runInitializers(_classThis, _classExtraInitializers);
}
onClick(e) {
assert.equal(e.type, "customevent");
done();
}
constructor() {
super(...arguments);
__runInitializers(this, _instanceExtraInitializers);
}
};
return MyElement = _classThis;
})();
const el = new MyElement();
document.body.append(el);
el.dispatchEvent(new CustomEvent());
el.remove();
});
it("should respect a provided selector function", (done) => {
let MyElement = (() => {
let _classDecorators = [element({
tagName: "listener-4",
shadowDom: [],
})];
let _classDescriptor;
let _classExtraInitializers = [];
let _classThis;
let _classSuper = HTMLElement;
let _instanceExtraInitializers = [];
let _onClick_decorators;
var MyElement = class extends _classSuper {
static { _classThis = this; }
static {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
_onClick_decorators = [listen("click", (host) => host)];
__esDecorate(this, null, _onClick_decorators, { kind: "method", name: "onClick", static: false, private: false, access: { has: obj => "onClick" in obj, get: obj => obj.onClick }, metadata: _metadata }, null, _instanceExtraInitializers);
__esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
MyElement = _classThis = _classDescriptor.value;
if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
__runInitializers(_classThis, _classExtraInitializers);
}
onClick(e) {
assert.equal(e.type, "click");
done();
}
constructor() {
super(...arguments);
__runInitializers(this, _instanceExtraInitializers);
}
};
return MyElement = _classThis;
})();
const el = new MyElement();
document.body.append(el);
el.dispatchEvent(new Event("click"));
el.remove();
});
});
it("should remove event listeners during cleanup", () => {
let clickCount = 0;
let MyElement = (() => {
let _classDecorators = [element({
tagName: "listener-cleanup",
shadowDom: [],
})];
let _classDescriptor;
let _classExtraInitializers = [];
let _classThis;
let _classSuper = HTMLElement;
let _instanceExtraInitializers = [];
let _onClick1_decorators;
let _onClick2_decorators;
var MyElement = class extends _classSuper {
static { _classThis = this; }
static {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
_onClick1_decorators = [listen("click")];
_onClick2_decorators = [listen("click")];
__esDecorate(this, null, _onClick1_decorators, { kind: "method", name: "onClick1", static: false, private: false, access: { has: obj => "onClick1" in obj, get: obj => obj.onClick1 }, metadata: _metadata }, null, _instanceExtraInitializers);
__esDecorate(this, null, _onClick2_decorators, { kind: "method", name: "onClick2", static: false, private: false, access: { has: obj => "onClick2" in obj, get: obj => obj.onClick2 }, metadata: _metadata }, null, _instanceExtraInitializers);
__esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
MyElement = _classThis = _classDescriptor.value;
if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
__runInitializers(_classThis, _classExtraInitializers);
}
onClick1() {
clickCount++;
}
onClick2() {
clickCount++;
}
constructor() {
super(...arguments);
__runInitializers(this, _instanceExtraInitializers);
}
};
return MyElement = _classThis;
})();
const el = new MyElement();
document.body.append(el);
// First click should increment counter
el.shadowRoot?.dispatchEvent(new Event("click"));
assert.equal(clickCount, 2);
// Remove element which should cleanup listeners
el.remove();
// Second click after removal should not increment counter
el.shadowRoot?.dispatchEvent(new Event("click"));
assert.equal(clickCount, 2);
});
it("should not add event listeners multiple times when element is moved", () => {
let clickCount = 0;
let MyElement = (() => {
let _classDecorators = [element({
tagName: "listener-move",
shadowDom: [],
})];
let _classDescriptor;
let _classExtraInitializers = [];
let _classThis;
let _classSuper = HTMLElement;
let _instanceExtraInitializers = [];
let _onClick_decorators;
var MyElement = class extends _classSuper {
static { _classThis = this; }
static {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
_onClick_decorators = [listen("click")];
__esDecorate(this, null, _onClick_decorators, { kind: "method", name: "onClick", static: false, private: false, access: { has: obj => "onClick" in obj, get: obj => obj.onClick }, metadata: _metadata }, null, _instanceExtraInitializers);
__esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
MyElement = _classThis = _classDescriptor.value;
if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
__runInitializers(_classThis, _classExtraInitializers);
}
onClick() {
clickCount++;
}
constructor() {
super(...arguments);
__runInitializers(this, _instanceExtraInitializers);
}
};
return MyElement = _classThis;
})();
const el = new MyElement();
const container1 = document.createElement("div");
const container2 = document.createElement("div");
document.body.append(container1);
document.body.append(container2);
// Add to first container
container1.append(el);
// Click should increment once
el.shadowRoot?.dispatchEvent(new Event("click"));
assert.equal(clickCount, 1);
// Move to second container
container2.append(el);
// Click should still only increment once
el.shadowRoot?.dispatchEvent(new Event("click"));
assert.equal(clickCount, 2);
// Cleanup
el.remove();
container1.remove();
container2.remove();
});
//# sourceMappingURL=listen.test.js.map