fix(lit-components): fix rendering and interaction issues in force-graph, html-table, and draggable-dom
Build and Deploy / build-and-deploy (push) Has been cancelled

- lit-force-graph: Refactored for instance reuse, better lifecycle management, and added dynamic imports for AR/VR modes.
- lit-html-table: Improved visual design, readability of headers, and fixed reactivity in editable mode.
- lit-draggable-dom: Fixed clipping issues by switching to relative/absolute positioning and resolved a panning speed bug caused by CSS variable inheritance.
This commit is contained in:
2026-05-17 00:41:14 -07:00
parent bbdbeb9788
commit b9e42c3ef4
253 changed files with 2555 additions and 4471 deletions
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import { describe, expect, test } from "vitest";
import { AppCalculator } from "./calculator";
import "./display-output";
import "./keypad-input";
describe("Lit Calculator Component Logic", () => {
test("registers calculator custom elements successfully", () => {
expect(customElements.get("app-calculator")).toBeDefined();
expect(customElements.get("display-output")).toBeDefined();
expect(customElements.get("keypad-input")).toBeDefined();
});
test("calculates addition correctly", () => {
const calc = new AppCalculator();
calc._value = "12";
calc.mode = "+";
calc._staging = "8";
calc.calculate();
expect(calc._value).toBe("20");
expect(calc.mode).toBe("");
expect(calc._staging).toBe("");
});
test("calculates subtraction correctly", () => {
const calc = new AppCalculator();
calc._value = "15";
calc.mode = "-";
calc._staging = "6";
calc.calculate();
expect(calc._value).toBe("9");
expect(calc.mode).toBe("");
});
test("calculates multiplication correctly", () => {
const calc = new AppCalculator();
calc._value = "4";
calc.mode = "*";
calc._staging = "5";
calc.calculate();
expect(calc._value).toBe("20");
});
test("calculates division correctly", () => {
const calc = new AppCalculator();
calc._value = "20";
calc.mode = "/";
calc._staging = "4";
calc.calculate();
expect(calc._value).toBe("5");
});
test("handles division by zero gracefully", () => {
const calc = new AppCalculator();
calc._value = "10";
calc.mode = "/";
calc._staging = "0";
calc.calculate();
expect(calc._value).toBe("0");
});
});
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import { LitElement, html, css } from "lit";
import { customElement, property } from "lit/decorators.js";
import "./keypad-input.js";
import "./key-pad.js";
import "./display-output.js";
@customElement("app-calculator")
export class AppCalculator extends LitElement {
@property()
width = "500px";
@property()
primaryColor = "#1a1f2c";
@property()
accentColor = "black";
static styles = css`
:host {
display: flex;
justify-content: center;
align-items: center;
width: 100%;
height: 100%;
min-height: 500px;
box-sizing: border-box;
}
#base {
border: 3px solid #1a1b1f;
border-radius: 20px;
padding: 24px;
background: #2a2c33;
box-shadow:
0 25px 50px -12px rgba(0, 0, 0, 0.7),
inset 0 1px 0 rgba(255, 255, 255, 0.15);
box-sizing: border-box;
display: flex;
flex-direction: column;
gap: 18px;
}
#actions {
display: grid;
grid-template-columns: repeat(5, 1fr);
gap: 12px;
padding: 0 5px;
}
button {
background: #3e424b;
border: none;
border-bottom: 3px solid #1a1b1f;
color: #fff;
padding: 12px;
font-size: 18px;
font-weight: 700;
border-radius: 8px;
cursor: pointer;
transition: all 0.08s ease;
box-shadow: 0 4px 6px rgba(0,0,0,0.3);
display: flex;
align-items: center;
justify-content: center;
}
button:hover {
background: #4a4f59;
}
button:active {
transform: translateY(2px);
border-bottom-width: 1px;
box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
button.operator {
background: #e76f51;
border-bottom-color: #9d3f27;
color: #ffffff;
}
button.operator:hover {
background: #f4a261;
}
button.clear-btn {
background: #d62828;
border-bottom-color: #7a1212;
color: #ffffff;
}
button.clear-btn:hover {
background: #e63946;
}
button:disabled {
opacity: 0.6;
cursor: not-allowed;
transform: none !important;
border-bottom-width: 3px !important;
box-shadow: 0 4px 6px rgba(0,0,0,0.3) !important;
}
`;
connectedCallback() {
super.connectedCallback();
// @ts-ignore
window.addEventListener("select-number", this._handleNumber);
}
disconnectedCallback() {
// @ts-ignore
window.removeEventListener("select-number", this._handleNumber);
super.disconnectedCallback();
}
_staging: string = "";
_value: string = "";
_mode: string = "";
public get mode(): string {
return this._mode;
}
public set mode(v: string) {
const oldMode = this._mode;
const oldVal = this.value;
this._mode = v;
// @ts-ignore
this.requestUpdate("mode", oldMode);
// @ts-ignore
this.requestUpdate("value", oldVal);
}
public get value(): string {
if (this.mode === "") return this._value;
return this._staging;
}
public set value(v: string) {
var oldVal = "";
if (this.mode === "") {
oldVal = this._value;
this._value = v;
} else {
oldVal = this._staging;
this._staging = v;
}
// @ts-ignore
this.requestUpdate("value", oldVal);
}
public get displayValue(): string {
if (this.mode !== "" && this._staging === "") {
return this._value || "0";
}
return this.value || "0";
}
_handleNumber = (event: CustomEvent) => {
const num = event.detail.value;
event.stopPropagation();
if (num === "=") {
this.calculate();
return;
}
if (this.value === "0") {
this.value = "";
}
if (num === "." && this.value.includes(".")) {
return;
}
this.value += num;
};
clear = () => {
this.value = "";
this._staging = "";
this._value = "";
this.mode = "";
};
calculate = () => {
console.log("DEBUG: calculate entered! mode =", this.mode, "_value =", this._value, "_staging =", this._staging);
if (this.mode === "") return;
const op1 = Number(this._value || "0");
const op2 = Number(this._staging || "0");
let result: number = 0;
switch (this.mode) {
case "+":
result = op1 + op2;
break;
case "-":
result = op1 - op2;
break;
case "/":
result = op2 === 0 ? 0 : op1 / op2;
break;
case "*":
result = op1 * op2;
break;
default:
break;
}
const output = result.toString();
console.log("DEBUG: calculation result =", result, "output =", output);
this._value = output;
this._staging = "";
this.mode = "";
};
render() {
return html`<div
id="base"
style="width: ${this.width};"
>
<display-output
value="${this.displayValue}"
color="#8fa882"
textColor="#172412"
></display-output>
<div id="actions">
<button
class="clear-btn"
@click=${this.clear}
?disabled=${this._value === "" && this._staging === "" && this.mode === ""}
>
C
</button>
<button class="operator" @click="${() => (this.mode = "+")}">+</button>
<button class="operator" @click="${() => (this.mode = "-")}">-</button>
<button class="operator" @click="${() => (this.mode = "/")}">/</button>
<button class="operator" @click="${() => (this.mode = "*")}">*</button>
</div>
<key-pad accentColor="#1b1c20" textColor="#f0eedb" actionColor="#f4a261" actionTextColor="#ffffff"></key-pad>
</div>`;
}
}
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import { LitElement, html, css } from "lit";
import { customElement, property } from "lit/decorators.js";
@customElement("display-output")
export class CalcDisplay extends LitElement {
@property()
color = "black";
@property()
textColor = "white";
@property()
value = "";
static styles = css`
@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&display=swap');
#base {
text-align: end;
display: block;
padding: 16px 20px;
border: 3px solid #1a1b1f;
border-radius: 8px;
box-shadow:
inset 0 4px 10px rgba(0, 0, 0, 0.4),
0 1px 0 rgba(255, 255, 255, 0.08);
position: relative;
overflow: hidden;
box-sizing: border-box;
width: 100%;
}
/* Glossy vintage glass glare */
#base::after {
content: "";
position: absolute;
top: 0;
left: 0;
right: 0;
height: 50%;
background: linear-gradient(
to bottom,
rgba(255, 255, 255, 0.12),
rgba(255, 255, 255, 0)
);
pointer-events: none;
}
#text-display {
font-family: 'Share Tech Mono', 'Courier New', monospace;
font-weight: 700;
font-size: 40px;
letter-spacing: 2px;
text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.12);
margin: 0;
line-height: 1.1;
word-wrap: break-word;
word-break: break-all;
}
`;
// Render element DOM by returning a `lit-html` template.
render() {
return html`<div id="base" style="background-color: ${this.color};">
<div id="text-display" style="color: ${this.textColor};">
${this.value || "0"}
</div>
</div>`;
}
}
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" href="style.css" />
<title>Lit Calculator</title>
</head>
<body>
<app-calculator
width="350px"
primaryColor="red"
accentColor="blue"
></app-calculator>
<script type="module" src="./calculator.js"></script>
</body>
</html>
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import { LitElement, html, css } from "lit";
import { customElement, property } from "lit/decorators.js";
@customElement("key-pad")
export class CalcKeyPad extends LitElement {
@property()
accentColor = "blue";
@property()
textColor = "white";
@property()
actionColor = "black";
@property()
actionTextColor = "white";
static styles = css`
#base {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 12px;
padding: 0 5px;
}
keypad-input {
display: flex;
}
`;
// Render element DOM by returning a `lit-html` template.
render() {
return html` <div id="base">
<keypad-input
number="7"
color="${this.accentColor}"
textColor="${this.textColor}"
></keypad-input>
<keypad-input
number="8"
color="${this.accentColor}"
textColor="${this.textColor}"
></keypad-input>
<keypad-input
number="9"
color="${this.accentColor}"
textColor="${this.textColor}"
></keypad-input>
<keypad-input
number="4"
color="${this.accentColor}"
textColor="${this.textColor}"
></keypad-input>
<keypad-input
number="5"
color="${this.accentColor}"
textColor="${this.textColor}"
></keypad-input>
<keypad-input
number="6"
color="${this.accentColor}"
textColor="${this.textColor}"
></keypad-input>
<keypad-input
number="1"
color="${this.accentColor}"
textColor="${this.textColor}"
></keypad-input>
<keypad-input
number="2"
color="${this.accentColor}"
textColor="${this.textColor}"
></keypad-input>
<keypad-input
number="3"
color="${this.accentColor}"
textColor="${this.textColor}"
></keypad-input>
<keypad-input
number="0"
color="${this.accentColor}"
textColor="${this.textColor}"
></keypad-input>
<keypad-input
number="."
color="${this.accentColor}"
textColor="${this.textColor}"
></keypad-input>
<keypad-input
number="="
color="${this.actionColor}"
textColor="${this.actionTextColor}"
></keypad-input>
</div>`;
}
}
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import { LitElement, html, css } from "lit";
import { customElement, property } from "lit/decorators.js";
@customElement("keypad-input")
export class CalcNumber extends LitElement {
@property()
number = "0";
@property()
color = "black";
@property()
textColor = "white";
static styles = css`
#base {
width: 100%;
height: 100%;
border-radius: 50%;
text-align: center;
border: none;
border-bottom: 3px solid rgba(0, 0, 0, 0.45);
font-weight: 700;
font-size: 20px;
cursor: pointer;
aspect-ratio: 1;
display: flex;
align-items: center;
justify-content: center;
transition: all 0.08s ease;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.25);
outline: none;
box-sizing: border-box;
padding: 0;
}
#base:hover {
filter: brightness(1.1);
}
#base:active {
transform: translateY(2px);
border-bottom-width: 1px;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
`;
_onTap(e: Event) {
e.preventDefault();
const event = new CustomEvent("select-number", {
detail: { value: this.number } as any,
bubbles: true,
cancelable: true,
});
// @ts-ignore
window.dispatchEvent(event);
}
// Render element DOM by returning a `lit-html` template.
render() {
return html` <button
@click="${this._onTap}"
id="base"
style="background-color: ${this.color}; color: ${this.textColor};"
>
${this.number}
</button>`;
}
}
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body {
margin: 0px;
padding: 0px;
font-family: sans-serif;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
background-color: #f0f2f5;
}