mosaic-widgets/src/TeaSense.ts

65 lines
1.4 KiB
TypeScript

import { LitElement, html, css } from 'lit';
import { customElement } from 'lit/decorators.js';
import { isBefore } from 'date-fns';
@customElement('tea-sense')
export class TeaSense extends LitElement {
temp = 0.0;
constructor() {
super();
this.pullTempFromBackend();
}
async pullTempFromBackend() {
try {
const response = await fetch('TEASENSE_URI');
const data = await response.json();
const result = data
.reduce((accum: any, datum: any) => (((accum && isBefore(new Date(accum?.timestamp), new Date(datum?.timestamp))) || !accum) ? datum : accum));
this.setTemp(result.value);
} catch (error) {
console.log(error);
}
setTimeout(() => this.pullTempFromBackend(), 1000);
}
setTemp(newTemp: number) {
this.temp = newTemp;
this.requestUpdate();
}
static override styles = [
css`
.gauge-body {
display: flex;
flex-direction: column;
justify-content: space-between;
align-content: space-between;
text-align: center;
}
.gauge-label {
font-weight: bold;
}
`
]
override render() {
return html`
<div class="gauge-body">
<div class="gauge-label">TeaSense</div>
<div class="gauge-label">Temperature (in C)</div>
<div>${this.temp}</div>
</div>
`;
}
}
declare global {
interface HTMLElementTagNameMap {
'tea-sense': TeaSense;
}
}