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import {
Form,
Input,
Row,
Col,
Icon,
Notification,
ICONS,
Strip,
Button,
Navigation,
Theme,
} from "@canonical/react-components";
import { useDropzone } from "react-dropzone";
import ReactDOM from "react-dom/client";
export default function App() {
const [icon, setIcon] = useState<string | null>(null);
const [isImage, setIsImage] = useState<boolean>(false);
const [isSVG, setIsSVG] = useState<boolean>(false);
const [isCorrectSize, setIsCorrectSize] = useState<boolean>(false);
const [imageSize, setImageSize] = useState<number[]>([0, 0]);
const [hasConstraints, setHasConstraints] = useState<boolean>(true);
const { acceptedFiles, getRootProps, getInputProps, isDragAccept } =
useDropzone({
maxFiles: 1,
});
const handleReset = useCallback(() => {
setIcon(null);
setIsImage(false);
setIsSVG(false);
setIsCorrectSize(false);
setImageSize([0, 0]);
setHasConstraints(true);
}, []);
const isValid = useMemo(
() => isImage && isSVG && isCorrectSize && hasConstraints,
[isImage, isSVG, isCorrectSize, hasConstraints]
);
useEffect(() => {
Eif (!acceptedFiles.length) {
return;
}
handleReset();
const file = acceptedFiles[0];
if (!file.type.startsWith("image/")) {
return;
}
setIsImage(true);
if (file.type === "image/svg+xml") {
setIsSVG(true);
}
const urlReader = new FileReader();
urlReader.addEventListener("load", (e) => {
if (!e.target || !e.target.result) {
setIsImage(false);
return;
}
const dataURL = e.target.result as string;
const svgString = window.atob(dataURL.split("base64,")[1]);
if (svgString.indexOf("<svg") === -1) {
setIsSVG(false);
setHasConstraints(false);
} else {
const svgImage = document.createElement("div");
svgImage.innerHTML = svgString;
const svgEl = svgImage.querySelector("svg");
const svgElWidth = svgEl?.getAttribute("width");
const svgElHeight = svgEl?.getAttribute("height");
const viewBoxSize = svgEl?.getAttribute("viewBox")?.split(" ");
if (svgElHeight && svgElWidth) {
setImageSize([parseInt(svgElWidth), parseInt(svgElHeight)]);
} else if (viewBoxSize && viewBoxSize[2] && viewBoxSize[2]) {
setImageSize([parseInt(viewBoxSize[2]), parseInt(viewBoxSize[2])]);
} else {
setHasConstraints(false);
}
}
const img = new Image();
img.addEventListener("load", () => {
setIcon(dataURL);
if (imageSize[0] === 0 && imageSize[1] === 0) {
setImageSize([img.width, img.height]);
if (img.width !== 100 || img.height !== 100) {
setIsCorrectSize(false);
} else {
setIsCorrectSize(true);
}
} else {
if (imageSize[0] !== 100 || imageSize[1] !== 100) {
setIsCorrectSize(false);
} else {
setIsCorrectSize(true);
}
}
});
img.src = dataURL;
});
urlReader.readAsDataURL(file);
}, [acceptedFiles, handleReset]);
return (
<>
<Row>
<Col size={8} emptyLarge={4}>
<h1>Charm Icon Validator</h1>
<p>
Checks are based on the{" "}
<a href="https://juju.is/docs/sdk/create-an-icon-for-your-charm">
Charm Icon Specification
</a>
.
</p>
<p>Drag and drop, or use the file picker to choose your icon.</p>
<Form stacked={true} style={{ marginBottom: "1rem" }}>
<div
{...getRootProps({ className: "dropzone" })}
style={{
outline: isDragAccept
? "3px dashed #0e8420"
: "3px solid transparent",
borderRadius: "3px",
display: "block",
}}
>
<Input type="file" onClick={(e) => e.preventDefault()} />
<input {...getInputProps()} />
{icon && (
<>
<Row>
<Col size={2}>
<img src={icon} alt="" style={{ maxWidth: "100%" }} />
</Col>
<Col size={6}>
<p>
<Icon name={isImage ? ICONS.success : ICONS.error} />{" "}
Image
</p>
<p>
<Icon name={isSVG ? ICONS.success : ICONS.error} /> SVG
</p>
<p>
<Icon
name={hasConstraints ? ICONS.success : ICONS.error}
/>{" "}
Root <code>svg</code> element has{" "}
<code>width="100"</code> and <code>height="100"</code>{" "}
attributes or a valid viewbox of <code>100 100</code>
</p>
<p>
<Icon
name={
imageSize[0] === 100 ? ICONS.success : ICONS.error
}
/>{" "}
Image width is {imageSize[0]}px
{imageSize[0] !== 100 ? ", not 100px" : ""}
</p>
<p>
<Icon
name={
imageSize[1] === 100 ? ICONS.success : ICONS.error
}
/>{" "}
Image height is {imageSize[1]}px
{imageSize[1] !== 100 ? ", not 100px" : ""}
</p>
</Col>
</Row>
</>
)}
</div>
</Form>
{icon && (
<>
<Notification
severity={isValid ? "positive" : "negative"}
title={isValid ? "Valid icon" : "Invalid icon"}
>
{isValid ? (
<>
Based on the automated checks above your icon is valid, but
you should manually check the{" "}
<a href="https://juju.is/docs/sdk/create-an-icon-for-your-charm">
Charm Icon Specification
</a>
.
</>
) : (
<>
Based on the automated checks above your icon is not valid.
Please check the{" "}
<a href="https://juju.is/docs/sdk/create-an-icon-for-your-charm">
Charm Icon Specification
</a>
, update your icon, and try again.
</>
)}
</Notification>
{isValid && <h2>Charmhub.io Preview</h2>}
</>
)}
</Col>
</Row>
{icon && isValid && (
<>
<Navigation
theme={Theme.DARK}
logo={{
src: "https://assets.ubuntu.com/v1/a603c7c9-Favicon - Juju.svg",
title: "Charmhub",
url: "#",
}}
/>
<Strip type="light" shallow>
<Row>
<Col size={8}>
<div className="p-media-object--large">
<img
src={icon}
alt="Your Charm Icon"
className="p-media-object__image is-round"
/>
<div className="p-media-object__details">
<h1 className="p-media-object__title">Your Charm</h1>
<div className="p-media-object__content u-no-margin--bottom">
<ul className="p-inline-list--middot">
<li className="p-inline-list__item">By You!</li>
</ul>
</div>
</div>
</div>
<div style={{ marginLeft: "-1rem" }}>
<Button inline styles={{ marginLeft: 0 }}>
stable 10
</Button>
<code style={{ backgroundColor: "transparent" }}>
juju deploy yourcharm --channel stable
</code>
</div>
</Col>
</Row>
</Strip>
</>
)}
</>
);
}
const rootElement = document.getElementById("main-content");
Iif (rootElement) {
const root = ReactDOM.createRoot(rootElement);
root.render(<App />);
}
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