element-call/src/typography/Typography.tsx

/*
Copyright 2022 New Vector Ltd

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

import { createElement, forwardRef, ReactNode } from "react";
import classNames from "classnames";
import { Link as RouterLink } from "react-router-dom";
import * as H from "history";

import styles from "./Typography.module.css";

interface TypographyProps {
  children: ReactNode;
  fontWeight?: string;
  className?: string;
  overflowEllipsis?: boolean;
  as?: string;
}

export const Headline = forwardRef<HTMLHeadingElement, TypographyProps>(
  (
    {
      as: Component = "h1",
      children,
      className,
      fontWeight,
      overflowEllipsis,
      ...rest
    },
    ref
  ) => {
    return createElement(
      Component,
      {
        ...rest,
        className: classNames(
          styles[fontWeight],
          { [styles.overflowEllipsis]: overflowEllipsis },
          className
        ),
        ref,
      },
      children
    );
  }
);

export const Title = forwardRef<HTMLHeadingElement, TypographyProps>(
  (
    {
      as: Component = "h2",
      children,
      className,
      fontWeight,
      overflowEllipsis,
      ...rest
    },
    ref
  ) => {
    return createElement(
      Component,
      {
        ...rest,
        className: classNames(
          styles[fontWeight],
          { [styles.overflowEllipsis]: overflowEllipsis },
          className
        ),
        ref,
      },
      children
    );
  }
);

export const Subtitle = forwardRef<HTMLParagraphElement, TypographyProps>(
  (
    {
      as: Component = "h3",
      children,
      className,
      fontWeight,
      overflowEllipsis,
      ...rest
    },
    ref
  ) => {
    return createElement(
      Component,
      {
        ...rest,
        className: classNames(
          styles[fontWeight],
          { [styles.overflowEllipsis]: overflowEllipsis },
          className
        ),
        ref,
      },
      children
    );
  }
);

export const Body = forwardRef<HTMLParagraphElement, TypographyProps>(
  (
    {
      as: Component = "p",
      children,
      className,
      fontWeight,
      overflowEllipsis,
      ...rest
    },
    ref
  ) => {
    return createElement(
      Component,
      {
        ...rest,
        className: classNames(
          styles[fontWeight],
          { [styles.overflowEllipsis]: overflowEllipsis },
          className
        ),
        ref,
      },
      children
    );
  }
);

export const Caption = forwardRef<HTMLParagraphElement, TypographyProps>(
  (
    {
      as: Component = "p",
      children,
      className,
      fontWeight,
      overflowEllipsis,
      ...rest
    },
    ref
  ) => {
    return createElement(
      Component,
      {
        ...rest,
        className: classNames(
          styles.caption,
          styles[fontWeight],
          { [styles.overflowEllipsis]: overflowEllipsis },
          className
        ),
        ref,
      },
      children
    );
  }
);

export const Micro = forwardRef<HTMLParagraphElement, TypographyProps>(
  (
    {
      as: Component = "p",
      children,
      className,
      fontWeight,
      overflowEllipsis,
      ...rest
    },
    ref
  ) => {
    return createElement(
      Component,
      {
        ...rest,
        className: classNames(
          styles.micro,
          styles[fontWeight],
          { [styles.overflowEllipsis]: overflowEllipsis },
          className
        ),
        ref,
      },
      children
    );
  }
);

interface LinkProps extends TypographyProps {
  to?: H.LocationDescriptor<unknown>;
  color?: string;
  href?: string;
}
export const Link = forwardRef<HTMLAnchorElement, LinkProps>(
  (
    {
      as,
      children,
      className,
      color = "link",
      href,
      to,
      fontWeight,
      overflowEllipsis,
      ...rest
    },
    ref
  ) => {
    const Component: string | RouterLink = as || (to ? RouterLink : "a");
    let externalLinkProps: { href: string; target: string; rel: string };

    if (href) {
      externalLinkProps = {
        href,
        target: "_blank",
        rel: "noreferrer noopener",
      };
    }

    return createElement(
      Component,
      {
        ...externalLinkProps,
        ...rest,
        to: to,
        className: classNames(
          styles[color],
          styles[fontWeight],
          { [styles.overflowEllipsis]: overflowEllipsis },
          className
        ),
        ref: ref,
      },
      children
    );
  }
);