src/components/CopyButton.js


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/** @jsx jsx */
import React from "react";
import { jsx } from "theme-ui";
import LinkButton from "./LinkButton";
import Snackbar from "@material-ui/core/Snackbar";

function CopyButton({
  children,
  title,
  value,
  duration = 3000,
  forwardedRef,
  ...props
}) {
  const [open, setOpen] = React.useState(false);

  const copyChild = event => {
    event.currentTarget.children[0].children[0].select();
    event.currentTarget.children[0].children[0].setSelectionRange(0, 99999);
    document.execCommand("copy");
  };

  const handleClick = event => {
    copyChild(event);
    setOpen(true);
  };

  const handleClose = (event, reason) => {
    if (reason === "clickaway") {
      return;
    }

    setOpen(false);
  };

  return (
    <div ref={forwardedRef}>
      <LinkButton
        onClick={handleClick}
        title={title}
        href="javascript:;"
        {...props}
      >
        <textarea
          type="text"
          sx={{ position: "absolute", left: "-1000px" }}
          readOnly
          value={value}
        />
        {children}
      </LinkButton>
      <Snackbar
        open={open}
        autoHideDuration={duration}
        onClose={handleClose}
        message="Copied!"
        anchorOrigin={{
          vertical: "bottom",
          horizontal: "left"
        }}
      />
    </div>
  );
}

export default React.forwardRef((props, ref) => (
  <CopyButton {...props} forwardedRef={ref} />
));