Created
November 23, 2021 20:41
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Fully Dynamic Svelte Graph Component
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<script> | |
import { onMount } from 'svelte'; | |
import { fly } from "svelte/transition"; | |
let ready = false; | |
onMount(() => ready = true); | |
const dataset = [ | |
{ name: "Apple", price: 6 }, | |
{ name: "Orange", price: 5 }, | |
{ name: "Pear", price: 2 } | |
]; | |
dataset.highest = () => { | |
let h = 0; | |
Object.values(dataset).forEach(data => { | |
h = data.price > h ? data.price : h; | |
}); | |
return h; | |
} | |
const highest = dataset.highest(); | |
const barGapMultiplier = 3; | |
const barWidth = 20; | |
const barHeightMultiplier = 30; | |
</script> | |
<svg | |
width={dataset.length * barWidth * barGapMultiplier} | |
height={highest * barHeightMultiplier} | |
> | |
{#if ready} | |
{#each dataset as datapoint, i} | |
<rect | |
x={i * barWidth * barGapMultiplier} | |
y={(highest-datapoint.price) * barHeightMultiplier} | |
width={barWidth} | |
height={datapoint.price * barHeightMultiplier} | |
style="fill: grey" | |
in:fly={{ y: 200, duration: 2000, delay: i*500}} | |
/> | |
{/each} | |
{/if} | |
</svg> |
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