mirror of
https://github.com/carbon-design-system/carbon-components-svelte.git
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8ddf2def8b* chore(deps-dev): upgrade carbon-components to v10.36.0 * feat(structured-list): add condensed, flush props * fix(structured-list): deprecate the border prop * fix(code-snippet): set min/max height for multi-line code snippet #656 Fixes #656 * fix(image-loader): make SSR compatible using a window type check guard * docs(tag): add separate disabled example for filterable/interactive tags * docs: update number of supported chart types * feat(side-nav): support rail variant * feat(ui-shell): add isSelected prop to HeaderNavItem * fix(ui-shell): default isSelected to false in SideNavMenuItem * fix(text-area): forward missing keydown event #665 Fixes #665 * feat: forward keyup event to components with inputs * feat(checkbox): make labelText slottable #563 Closes #563 * feat: make labelText slottable Related #563 * docs(component-api): account for undefined type * docs(ui-shell): link to correct rail source * fix(ui-shell): default isSelected in HeaderNavItem to false
113 lines
2.5 KiB
Svelte
113 lines
2.5 KiB
Svelte
<script>
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/**
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* @event {any} load
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* @event {any} error
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*/
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/**
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* Specify the image source
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*/
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export let src = "";
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/**
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* Specify the image alt text
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*/
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export let alt = "";
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/**
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* Specify the aspect ratio for the image wrapper
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* @type {"2x1" | "16x9" | "4x3" | "1x1" | "3x4" | "3x2" | "9x16" | "1x2"}
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*/
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export let ratio = undefined;
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/**
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* Set to `true` when `loaded` is `true` and `error` is false
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*/
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export let loading = false;
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/**
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* Set to `true` when the image is loaded
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*/
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export let loaded = false;
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/**
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* Set to `true` if an error occurs when loading the image
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*/
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export let error = false;
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/**
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* Set to `true` to fade in the image on load
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* The duration uses the `fast-02` value following Carbon guidelines on motion
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*/
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export let fadeIn = false;
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/**
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* Method invoked to load the image provided a `src` value
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* @type {(url?: string) => void}
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*/
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export const loadImage = (url) => {
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if (image != null) image = null;
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loaded = false;
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error = false;
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image = new Image();
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image.src = url || src;
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image.onload = () => (loaded = true);
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image.onerror = () => (error = true);
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};
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import { onMount, createEventDispatcher } from "svelte";
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import { fade } from "svelte/transition";
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import AspectRatio from "../AspectRatio/AspectRatio.svelte";
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const dispatch = createEventDispatcher();
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// "fast-02" duration (ms) from Carbon motion recommended for fading micro-interactions
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const fast02 = 110;
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let image = null;
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$: loading = !loaded && !error;
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$: if (src && typeof window !== "undefined") loadImage();
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$: if (loaded) dispatch("load");
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$: if (error) dispatch("error");
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onMount(() => {
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return () => (image = null);
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});
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</script>
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{#if ratio === undefined}
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{#if loading}
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<slot name="loading" />
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{/if}
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{#if loaded}
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<img
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{...$$restProps}
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style="width: 100%;{$$restProps.style}"
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src="{src}"
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alt="{alt}"
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transition:fade="{{ duration: fadeIn ? fast02 : 0 }}"
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/>
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{/if}
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{#if error}
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<slot name="error" />
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{/if}
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{:else}
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<AspectRatio ratio="{ratio}">
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{#if loading}
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<slot name="loading" />
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{/if}
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{#if loaded}
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<img
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{...$$restProps}
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style="width: 100%;{$$restProps.style}"
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src="{src}"
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alt="{alt}"
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transition:fade="{{ duration: fadeIn ? fast02 : 0 }}"
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/>
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{/if}
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{#if error}
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<slot name="error" />
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{/if}
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</AspectRatio>
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{/if}
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