mirror of
https://github.com/vector-im/element-call.git
synced 2024-11-27 00:48:06 +08:00
17450b4531
by fixing the cause rather than the symptom: this upgrades the code to use the new, recommended JSX transform mode of React 17+, which no longer requires you to import React manually just to write JSX.
132 lines
3.0 KiB
TypeScript
132 lines
3.0 KiB
TypeScript
/*
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Copyright 2022 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { useMemo, CSSProperties, HTMLAttributes, FC } from "react";
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import classNames from "classnames";
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import { MatrixClient } from "matrix-js-sdk/src/client";
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import { getAvatarUrl } from "./matrix-utils";
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import { useClient } from "./ClientContext";
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import styles from "./Avatar.module.css";
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const backgroundColors = [
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"#5C56F5",
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"#03B381",
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"#368BD6",
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"#AC3BA8",
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"#E64F7A",
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"#FF812D",
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"#2DC2C5",
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"#74D12C",
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];
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export enum Size {
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XS = "xs",
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SM = "sm",
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MD = "md",
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LG = "lg",
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XL = "xl",
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}
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export const sizes = new Map([
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[Size.XS, 22],
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[Size.SM, 32],
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[Size.MD, 36],
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[Size.LG, 42],
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[Size.XL, 90],
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]);
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function hashStringToArrIndex(str: string, arrLength: number) {
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let sum = 0;
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for (let i = 0; i < str.length; i++) {
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sum += str.charCodeAt(i);
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}
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return sum % arrLength;
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}
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const resolveAvatarSrc = (client: MatrixClient, src: string, size: number) =>
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src?.startsWith("mxc://") ? client && getAvatarUrl(client, src, size) : src;
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interface Props extends HTMLAttributes<HTMLDivElement> {
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bgKey?: string;
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src?: string;
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size?: Size | number;
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className?: string;
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style?: CSSProperties;
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fallback: string;
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}
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export const Avatar: FC<Props> = ({
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bgKey,
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src,
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fallback,
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size = Size.MD,
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className,
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style = {},
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...rest
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}) => {
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const { client } = useClient();
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const [sizeClass, sizePx, sizeStyle] = useMemo(
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() =>
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Object.values(Size).includes(size as Size)
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? [styles[size as string], sizes.get(size as Size), {}]
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: [
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null,
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size as number,
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{
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width: size,
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height: size,
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borderRadius: size,
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fontSize: Math.round((size as number) / 2),
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},
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],
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[size]
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);
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const resolvedSrc = useMemo(
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() => resolveAvatarSrc(client, src, sizePx),
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[client, src, sizePx]
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);
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const backgroundColor = useMemo(() => {
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const index = hashStringToArrIndex(
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bgKey || fallback || src || "",
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backgroundColors.length
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);
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return backgroundColors[index];
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}, [bgKey, src, fallback]);
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/* eslint-disable jsx-a11y/alt-text */
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return (
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<div
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className={classNames(styles.avatar, sizeClass, className)}
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style={{ backgroundColor, ...sizeStyle, ...style }}
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{...rest}
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>
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{resolvedSrc ? (
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<img src={resolvedSrc} />
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) : typeof fallback === "string" ? (
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<span>{fallback}</span>
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) : (
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fallback
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)}
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</div>
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);
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};
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