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datawrapper chart, more specific query of iframe

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This commit is contained in:
Jon McClure 2022-08-16 13:11:23 +01:00
parent 372756d889
commit 6a8ffa44a8
1 changed files with 24 additions and 14 deletions
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38
src/components/DatawrapperChart/DatawrapperChart.svelte
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@ -1,5 +1,5 @@
<script lang="ts">
import { onMount } from 'svelte';
import { onMount, onDestroy } from 'svelte';
import GraphicBlock from '../GraphicBlock/GraphicBlock.svelte';
import type { ContainerWidth } from '../@types/global';
/**
@ -50,24 +50,33 @@
* of the text well. Can't ever be wider than `width`.
* @type {string}
*/
export let textWidth: ContainerWidth | null = null;
export let textWidth: ContainerWidth | null = null;
let frameElement;
$: frameFiller = (e) => {
if (void 0 !== e.data['datawrapper-height']) {
const t = [frameElement];
for (const a in e.data['datawrapper-height']) {
for (let r = 0; r < t.length; r++) {
if (t[r].contentWindow === e.source) {
t[r].style.height = e.data['datawrapper-height'][a] + 'px';
}
}
}
}
}
onMount(() => {
if (typeof window !== 'undefined') {
window.addEventListener('message', function (e) {
if (void 0 !== e.data['datawrapper-height']) {
const t = document.querySelectorAll('iframe');
for (const a in e.data['datawrapper-height']) {
for (let r = 0; r < t.length; r++) {
if (t[r].contentWindow === e.source) {
t[r].style.height = e.data['datawrapper-height'][a] + 'px';
}
}
}
}
});
window.addEventListener('message', frameFiller);
}
});
onDestroy(() => {
if (typeof window !== 'undefined') {
window.removeEventListener('message', frameFiller);
}
})
</script>
<GraphicBlock {width} {textWidth} {title} {description} {notes}>
@ -78,6 +87,7 @@
<div class="datawrapper-chart">
<iframe
bind:this={frameElement}
title="{frameTitle}"
aria-label="{ariaLabel}"
id="{id}"