plane/apps/app/components/issues/description-form.tsx

import { FC, useCallback, useEffect, useState } from "react";

import dynamic from "next/dynamic";

// react-hook-form
import { useForm } from "react-hook-form";
// components
import { Loader, TextArea } from "components/ui";
const RemirrorRichTextEditor = dynamic(() => import("components/rich-text-editor"), {
  ssr: false,
  loading: () => (
    <Loader>
      <Loader.Item height="12rem" width="100%" />
    </Loader>
  ),
});
// types
import { IIssue, UserAuth } from "types";

export interface IssueDescriptionFormValues {
  name: string;
  description: any;
  description_html: string;
}

export interface IssueDetailsProps {
  issue: IIssue;
  handleFormSubmit: (value: IssueDescriptionFormValues) => Promise<void>;
  userAuth: UserAuth;
}

export const IssueDescriptionForm: FC<IssueDetailsProps> = ({
  issue,
  handleFormSubmit,
  userAuth,
}) => {
  const [isSubmitting, setIsSubmitting] = useState(false);
  const [characterLimit, setCharacterLimit] = useState(false);

  const {
    handleSubmit,
    watch,
    setValue,
    reset,
    formState: { errors },
  } = useForm<IIssue>({
    defaultValues: {
      name: "",
      description: "",
      description_html: "",
    },
  });

  const handleDescriptionFormSubmit = useCallback(
    async (formData: Partial<IIssue>) => {
      if (!formData.name || formData.name.length === 0 || formData.name.length > 255) return;

      await handleFormSubmit({
        name: formData.name ?? "",
        description: formData.description ?? "",
        description_html: formData.description_html ?? "<p></p>",
      });
    },
    [handleFormSubmit]
  );

  useEffect(() => {
    const alertUser = (e: BeforeUnloadEvent) => {
      console.log("beforeunload");
      e.preventDefault();
      e.returnValue = "";
      return "Are you sure you want to leave?";
    };

    window.addEventListener("beforeunload", alertUser);
    return () => {
      window.removeEventListener("beforeunload", alertUser);
    };
  }, [isSubmitting]);

  // reset form values
  useEffect(() => {
    if (!issue) return;

    reset(issue);
  }, [issue, reset]);

  const isNotAllowed = userAuth.isGuest || userAuth.isViewer;

  return (
    <div className="relative">
      <div className="relative">
        <TextArea
          id="name"
          name="name"
          placeholder="Enter issue name"
          value={watch("name")}
          onFocus={() => setCharacterLimit(true)}
          onBlur={() => {
            setCharacterLimit(false);

            setIsSubmitting(true);
            handleSubmit(handleDescriptionFormSubmit)()
              .then(() => {
                setIsSubmitting(false);
              })
              .catch(() => {
                setIsSubmitting(false);
              });
          }}
          onChange={(e) => {
            setValue("name", e.target.value);
          }}
          required={true}
          className="min-h-10 block w-full resize-none
      overflow-hidden rounded border-none bg-transparent
      px-3 py-2 text-xl outline-none ring-0 focus:ring-1 focus:ring-theme"
          role="textbox"
        />
        {characterLimit && (
          <div className="pointer-events-none absolute bottom-0 right-0 z-[2] rounded bg-white p-1 text-xs">
            <span
              className={`${
                watch("name").length === 0 || watch("name").length > 255 ? "text-red-500" : ""
              }`}
            >
              {watch("name").length}
            </span>
            /255
          </div>
        )}
      </div>
      <span>{errors.name ? errors.name.message : null}</span>
      <RemirrorRichTextEditor
        value={
          watch("description") && watch("description") !== ""
            ? watch("description")
            : watch("description_html")
        }
        placeholder="Describe the issue..."
        onBlur={() => {
          setIsSubmitting(true);
          handleSubmit(handleDescriptionFormSubmit)()
            .then(() => {
              setIsSubmitting(false);
            })
            .catch(() => {
              setIsSubmitting(false);
            });
        }}
        onJSONChange={(json) => setValue("description", json)}
        onHTMLChange={(html) => setValue("description_html", html)}
        editable={!isNotAllowed}
      />
      <div
        className={`absolute -bottom-8 right-0 text-sm text-gray-500 ${
          isSubmitting ? "block" : "hidden"
        }`}
      >
        Saving...
      </div>
    </div>
  );
};