debounced searching

Co-authored-by: William Oldham <wegg7250@gmail.com>

package.json

@@ -49,6 +49,8 @@
     "@types/react-router-dom": "^5.3.3",
     "autoprefixer": "^10.4.2",
     "postcss": "^8.4.6",
+    "prettier": "^2.5.1",
+    "prettier-plugin-tailwindcss": "^0.1.7",
     "tailwindcss": "^3.0.20",
     "typescript": "^4.5.5"
   }

src/components/Buttons/DropdownButton.tsx

@@ -1,12 +1,7 @@
 import { ButtonControlProps, ButtonControl } from "./ButtonControl";
 import { Icon, Icons } from "components/Icon";
 import React, {
-  useRef,
-  Ref,
-  Dispatch,
-  SetStateAction,
   MouseEventHandler,
-  KeyboardEvent,
   SyntheticEvent,
   useEffect,
   useState,
@@ -17,9 +12,9 @@ import { Backdrop, useBackdrop } from "components/layout/Backdrop";
 export interface DropdownButtonProps extends ButtonControlProps {
   icon: Icons;
   open: boolean;
-  setOpen: Dispatch<SetStateAction<boolean>>;
+  setOpen: (open: boolean) => void;
   selectedItem: string;
-  setSelectedItem: Dispatch<SetStateAction<string>>;
+  setSelectedItem: (value: string) => void;
   options: Array<OptionItem>;
 }
 
@@ -38,7 +33,7 @@ export interface OptionItem {
 function Option({ option, onClick, tabIndex }: OptionProps) {
   return (
     <div
-      className="text-denim-700 h-10 px-4 py-2 text-left cursor-pointer flex items-center space-x-2 hover:text-white transition-colors"
+      className="text-denim-700 flex h-10 cursor-pointer items-center space-x-2 px-4 py-2 text-left transition-colors hover:text-white"
       onClick={onClick}
       tabIndex={tabIndex}
     >
@@ -73,6 +68,7 @@ export const DropdownButton = React.forwardRef<
     return () => {
       if (id) clearTimeout(id);
     };
+    /* eslint-disable-next-line */
   }, [props.open]);
 
   const selectedItem: OptionItem = props.options.find(
@@ -81,6 +77,7 @@ export const DropdownButton = React.forwardRef<
 
   useEffect(() => {
     setBackdrop(props.open);
+    /* eslint-disable-next-line */
   }, [props.open]);
 
   const onOptionClick = (e: SyntheticEvent, option: OptionItem) => {
@@ -90,7 +87,7 @@ export const DropdownButton = React.forwardRef<
   };
 
   return (
-    <div className="w-full sm:w-auto min-w-[140px]">
+    <div className="w-full min-w-[140px] sm:w-auto">
       <div
         ref={ref}
         className="relative w-full sm:w-auto"
@@ -98,7 +95,7 @@ export const DropdownButton = React.forwardRef<
       >
         <ButtonControl
           {...props}
-          className="flex items-center justify-center sm:justify-left px-4 py-2 space-x-2 bg-bink-200 relative z-20 hover:bg-bink-300 text-white h-10 rounded-[20px] w-full"
+          className="sm:justify-left bg-bink-200 hover:bg-bink-300 relative z-20 flex h-10 w-full items-center justify-center space-x-2 rounded-[20px] px-4 py-2 text-white"
         >
           <Icon icon={selectedItem.icon} />
           <span className="flex-1">{selectedItem.name}</span>
@@ -108,22 +105,20 @@ export const DropdownButton = React.forwardRef<
           />
         </ButtonControl>
         <div
-          className={`absolute pt-[40px] top-0 duration-200 transition-all w-full rounded-[20px] z-10 bg-denim-300 ${
+          className={`bg-denim-300 absolute top-0 z-10 w-full rounded-[20px] pt-[40px] transition-all duration-200 ${
             props.open
-              ? "opacity-100 max-h-60 block"
-              : "opacity-0 max-h-0 invisible"
+              ? "block max-h-60 opacity-100"
+              : "invisible max-h-0 opacity-0"
           }`}
         >
           {props.options
-            .filter((opt) => opt.id != delayedSelectedId)
+            .filter((opt) => opt.id !== delayedSelectedId)
             .map((opt) => (
               <Option
                 option={opt}
                 key={opt.id}
                 onClick={(e) => onOptionClick(e, opt)}
-                tabIndex={
-                  props.open ? 0 : undefined
-                } /*onKeyPress={active ? handleOptionKeyPress(opt, i) : undefined}*/
+                tabIndex={props.open ? 0 : undefined}
               />
             ))}
         </div>

src/components/SearchBar.tsx

@@ -1,43 +1,38 @@
 import { DropdownButton } from "./Buttons/DropdownButton";
 import { Icons } from "./Icon";
-import {
-  TextInputControl,
-  TextInputControlPropsNoLabel,
-} from "./TextInputs/TextInputControl";
+import { TextInputControl } from "./TextInputs/TextInputControl";
 
-import { useState, useRef, useEffect } from "react";
+import { useState } from "react";
+import { MWMediaType, MWQuery } from "scrapers";
 
-export interface SearchBarProps extends TextInputControlPropsNoLabel {
+export interface SearchBarProps {
   buttonText?: string;
-  onClick?: () => void;
   placeholder?: string;
+  onChange: (value: MWQuery) => void;
+  value: MWQuery;
 }
 
 export function SearchBarInput(props: SearchBarProps) {
   const [dropdownOpen, setDropdownOpen] = useState(false);
-  const [dropdownSelected, setDropdownSelected] = useState("movie");
-
-  const dropdownRef = useRef<any>();
-
-  const handleClick = (e: MouseEvent) => {
-    if (dropdownRef.current?.contains(e.target as Node)) {
-      // inside click
-      return;
+  function setSearch(value: string) {
+    props.onChange({
+      ...props.value,
+      searchQuery: value,
+    });
+  }
+  function setType(type: string) {
+    props.onChange({
+      ...props.value,
+      type: type as MWMediaType,
+    });
   }
-    // outside click
-    closeDropdown();
-  };
-
-  const closeDropdown = () => {
-    setDropdownOpen(false);
-  };
 
   return (
-    <div className="flex flex-col sm:flex-row items-center gap-4 px-4 py-4 sm:pl-8 sm:pr-2 sm:py-2 bg-denim-300 rounded-[28px] hover:bg-denim-400 focus-within:bg-denim-400  transition-colors">
+    <div className="bg-denim-300 hover:bg-denim-400 focus-within:bg-denim-400 flex flex-col items-center gap-4 rounded-[28px] px-4 py-4 transition-colors sm:flex-row sm:py-2 sm:pl-8  sm:pr-2">
       <TextInputControl
-        onChange={props.onChange}
-        value={props.value}
-        className="placeholder-denim-700 w-full bg-transparent flex-1 focus:outline-none text-white"
+        onChange={setSearch}
+        value={props.value.searchQuery}
+        className="placeholder-denim-700 w-full flex-1 bg-transparent text-white focus:outline-none"
         placeholder={props.placeholder}
       />
 
@@ -45,27 +40,26 @@ export function SearchBarInput(props: SearchBarProps) {
         icon={Icons.SEARCH}
         open={dropdownOpen}
         setOpen={setDropdownOpen}
-        selectedItem={dropdownSelected}
-        setSelectedItem={setDropdownSelected}
+        selectedItem={props.value.type}
+        setSelectedItem={setType}
         options={[
           {
-            id: "movie",
+            id: MWMediaType.MOVIE,
             name: "Movie",
             icon: Icons.FILM,
           },
           {
-            id: "series",
+            id: MWMediaType.SERIES,
             name: "Series",
             icon: Icons.CLAPPER_BOARD,
           },
           {
-            id: "anime",
+            id: MWMediaType.ANIME,
             name: "Anime",
             icon: Icons.DRAGON,
           },
         ]}
         onClick={() => setDropdownOpen((old) => !old)}
-        ref={dropdownRef}
       >
         {props.buttonText || "Search"}
       </DropdownButton>

src/components/layout/Backdrop.tsx

@@ -46,17 +46,19 @@ export function Backdrop(props: BackdropProps) {
 
   useEffect(() => {
     setVisible(!!props.active);
-  }, [props.active]);
+    /* eslint-disable-next-line */
+  }, [props.active, setVisible]);
 
   useEffect(() => {
     if (!isVisible) animationEvent();
+    /* eslint-disable-next-line */
   }, [isVisible]);
 
   if (!isVisible) return null;
 
   return (
     <div
-      className={`fixed h-screen z-[999] top-0 left-0 right-0 bg-black bg-opacity-50 transition-opacity opacity-100 ${
+      className={`fixed top-0 left-0 right-0 z-[999] h-screen bg-black bg-opacity-50 opacity-100 transition-opacity ${
         !isVisible ? "opacity-0" : ""
       }`}
       {...fadeProps}

src/hooks/useDebounce.ts

@@ -0,0 +1,20 @@
+import { useEffect, useState } from "react";
+
+export function useDebounce<T>(value: T, delay: number): T {
+  // State and setters for debounced value
+  const [debouncedValue, setDebouncedValue] = useState<T>(value);
+
+  useEffect(
+    () => {
+      const handler = setTimeout(() => {
+        setDebouncedValue(value);
+      }, delay);
+      return () => {
+        clearTimeout(handler);
+      };
+    },
+    [value, delay]
+  );
+
+  return debouncedValue;
+}

src/scrapers/types.ts

@@ -1,6 +1,7 @@
 export enum MWMediaType {
   MOVIE = "movie",
   SERIES = "series",
+  ANIME = "anime",
 }
 
 export interface MWPortableMedia {

src/views/SearchView.tsx

@@ -1,29 +1,38 @@
 import { WatchedMediaCard } from "components/media/WatchedMediaCard";
 import { SearchBarInput } from "components/SearchBar";
-import { MWMedia, MWMediaType, SearchProviders } from "scrapers";
-import { useState } from "react";
+import { MWMedia, MWMediaType, MWQuery, SearchProviders } from "scrapers";
+import { useEffect, useState } from "react";
 import { ThinContainer } from "components/layout/ThinContainer";
 import { SectionHeading } from "components/layout/SectionHeading";
 import { Icons } from "components/Icon";
 import { Loading } from "components/layout/Loading";
 import { Tagline } from "components/Text/Tagline";
 import { Title } from "components/Text/Title";
+import { useDebounce } from "hooks/useDebounce";
 
 export function SearchView() {
   const [results, setResults] = useState<MWMedia[]>([]);
-  const [search, setSearch] = useState("");
-
-  async function runSearch() {
-    const results = await SearchProviders({
+  const [search, setSearch] = useState<MWQuery>({
+    searchQuery: "",
     type: MWMediaType.MOVIE,
-      searchQuery: search,
   });
+
+  const debouncedSearch = useDebounce<MWQuery>(search, 2000);
+  useEffect(() => {
+    if (debouncedSearch.searchQuery !== "") runSearch(debouncedSearch);
+  }, [debouncedSearch]);
+  useEffect(() => {
+    setResults([]);
+  }, [search]);
+
+  async function runSearch(query: MWQuery) {
+    const results = await SearchProviders(query);
     setResults(results);
   }
 
   return (
     <ThinContainer>
-      <div className="mt-36 text-center space-y-16">
+      <div className="mt-36 space-y-16 text-center">
         <div className="space-y-4">
           <Tagline>Because watching legally is boring</Tagline>
           <Title>What movie do you want to watch?</Title>
@@ -31,16 +40,17 @@ export function SearchView() {
         <SearchBarInput
           onChange={setSearch}
           value={search}
-          onClick={runSearch}
           placeholder="What movie do you want to watch?"
         />
       </div>
-      <SectionHeading title="Yoink" icon={Icons.SEARCH}>
+      {results.length > 0 ? (
+        <SectionHeading title="Search results" icon={Icons.SEARCH}>
           {results.map((v) => (
             <WatchedMediaCard media={v} />
           ))}
         </SectionHeading>
-      <Loading />
+      ) : null}
+      {search.searchQuery !== "" && results.length == 0 ? <Loading /> : null}
     </ThinContainer>
   );
 }