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Jan Andrle
2024-11-22 11:00:15 +01:00
parent e157d2843e
commit 0f91166811
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69
docs/components/examples/customElement/shadowRoot.js Normal file
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import {
el,
customElementRender,
customElementWithDDE,
} from "deka-dom-el";
function ddeComponent(){
return el().append(
el("style", `
.red{ color: firebrick; }
`),
el("p", { className: "red" }).append(
"Hello from ", el("slot", "Custom Element"), "!"
)
);
}
export class A extends HTMLElement{
static tagName= "custom-element-without";
connectedCallback(){
customElementRender(
this,
this,
ddeComponent
);
}
}
customElementWithDDE(A);
customElements.define(A.tagName, A);
export class B extends HTMLElement{
static tagName= "custom-element-open";
connectedCallback(){
customElementRender(
this,
this.attachShadow({ mode: "open" }),
ddeComponent
);
}
}
customElementWithDDE(B);
customElements.define(B.tagName, B);
export class C extends HTMLElement{
static tagName= "custom-element-closed";
connectedCallback(){
customElementRender(
this,
this.attachShadow({ mode: "closed" }),
ddeComponent
);
}
}
customElementWithDDE(C);
customElements.define(C.tagName, C);
document.body.append(
el(A.tagName).append("Without shadowRoot"),
el("hr"),
el(B.tagName).append("Open shadowRoot"),
el("hr"),
el(C.tagName).append("Closed shadowRoot"),
el("style", `
.red{ color: crimson; }
`),
);
console.log(A.tagName, "expect modifications");
document.body.querySelector(A.tagName).querySelector("p").textContent+= " (editable with JS)";
console.log(B.tagName, "expect modifications");
document.body.querySelector(B.tagName).shadowRoot.querySelector("p").textContent+= " (editable with JS)";
console.log(C.tagName, "expect error ↓");
document.body.querySelector(C.tagName).querySelector("p").textContent+= " (editable with JS)";