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import { useEffect, useRef, useState } from "../deps.ts";
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import { FontAwesomeIcon } from "../deps.ts";
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import type { IconDefinition } from "../deps.ts";
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import { FilterOption } from "../../common/types.ts";
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import fuzzysort from "https://esm.sh/fuzzysort@2.0.1";
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function magicSorter(a: FilterOption, b: FilterOption): number {
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if (a.orderId && b.orderId) {
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return a.orderId < b.orderId ? -1 : 1;
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}
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if (a.orderId) {
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return -1;
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}
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if (b.orderId) {
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return 1;
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}
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return 0;
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}
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type FilterResult = FilterOption & {
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result?: any;
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};
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function simpleFilter(
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pattern: string,
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options: FilterOption[],
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): FilterOption[] {
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const lowerPattern = pattern.toLowerCase();
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return options.filter((option) => {
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return option.name.toLowerCase().includes(lowerPattern);
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});
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}
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function escapeHtml(unsafe: string): string {
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return unsafe
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.replaceAll("&", "&")
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.replaceAll("<", "<")
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.replaceAll(">", ">")
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.replaceAll('"', """)
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.replaceAll("'", "'");
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}
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function fuzzySorter(pattern: string, options: FilterOption[]): FilterResult[] {
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return fuzzysort
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.go(pattern, options, {
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all: true,
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key: "name",
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})
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.map((result: any) => ({ ...result.obj, result: result }))
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.sort(magicSorter);
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}
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export function FilterList({
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placeholder,
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options,
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label,
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onSelect,
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onKeyPress,
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allowNew = false,
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helpText = "",
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completePrefix,
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icon,
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newHint,
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}: {
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placeholder: string;
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options: FilterOption[];
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label: string;
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onKeyPress?: (key: string, currentText: string) => void;
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onSelect: (option: FilterOption | undefined) => void;
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allowNew?: boolean;
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completePrefix?: string;
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helpText: string;
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newHint?: string;
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icon?: IconDefinition;
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}) {
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const searchBoxRef = useRef<HTMLInputElement>(null);
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const [text, setText] = useState("");
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const [matchingOptions, setMatchingOptions] = useState(
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fuzzySorter("", options),
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);
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const [selectedOption, setSelectionOption] = useState(0);
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const selectedElementRef = useRef<HTMLDivElement>(null);
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function updateFilter(originalPhrase: string) {
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const foundExactMatch = false;
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const results = fuzzySorter(originalPhrase, options);
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if (allowNew && !foundExactMatch && originalPhrase) {
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results.push({
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name: originalPhrase,
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hint: newHint,
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});
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}
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setMatchingOptions(results);
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setText(originalPhrase);
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setSelectionOption(0);
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}
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useEffect(() => {
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updateFilter(text);
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}, [options]);
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useEffect(() => {
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searchBoxRef.current!.focus();
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}, []);
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useEffect(() => {
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function closer() {
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onSelect(undefined);
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}
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document.addEventListener("click", closer);
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return () => {
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document.removeEventListener("click", closer);
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};
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}, []);
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let exiting = false;
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const returnEl = (
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<div className="sb-filter-wrapper">
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<div className="sb-filter-box">
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<div className="sb-header">
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<label>{label}</label>
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<input
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type="text"
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value={text}
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placeholder={placeholder}
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ref={searchBoxRef}
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// onChange={filterUpdate}
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onBlur={(e) => {
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if (!exiting) {
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searchBoxRef.current!.focus();
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}
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}}
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onKeyDown={(e) => {
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// console.log("Key up", / e);
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if (onKeyPress) {
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onKeyPress(e.key, text);
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}
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switch (e.key) {
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case "ArrowUp":
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setSelectionOption(Math.max(0, selectedOption - 1));
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break;
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case "ArrowDown":
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setSelectionOption(
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Math.min(matchingOptions.length - 1, selectedOption + 1),
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);
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break;
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case "Enter":
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exiting = true;
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onSelect(matchingOptions[selectedOption]);
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e.preventDefault();
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break;
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case "PageUp":
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setSelectionOption(Math.max(0, selectedOption - 5));
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break;
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case "PageDown":
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setSelectionOption(Math.max(0, selectedOption + 5));
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break;
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case "Home":
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setSelectionOption(0);
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break;
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case "End":
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setSelectionOption(matchingOptions.length - 1);
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break;
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case "Escape":
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exiting = true;
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onSelect(undefined);
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e.preventDefault();
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break;
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case " ":
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if (completePrefix && !text) {
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updateFilter(completePrefix);
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e.preventDefault();
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}
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break;
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default:
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setTimeout(() => {
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updateFilter((e.target as any).value);
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});
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}
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e.stopPropagation();
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}}
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onClick={(e) => e.stopPropagation()}
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/>
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</div>
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<div
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className="sb-help-text"
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dangerouslySetInnerHTML={{ __html: helpText }}
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>
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</div>
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<div className="sb-result-list">
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{matchingOptions && matchingOptions.length > 0
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? matchingOptions.map((option, idx) => (
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<div
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key={"" + idx}
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ref={selectedOption === idx ? selectedElementRef : undefined}
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className={selectedOption === idx
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? "sb-selected-option"
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: "sb-option"}
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onMouseOver={(e) => {
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setSelectionOption(idx);
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}}
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onClick={(e) => {
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e.preventDefault();
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onSelect(option);
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}}
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>
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<span className="sb-icon">
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{icon && <FontAwesomeIcon icon={icon} />}
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</span>
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<span
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className="sb-name"
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dangerouslySetInnerHTML={{
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__html: option?.result?.indexes
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? fuzzysort.highlight(option.result, "<b>", "</b>")!
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: escapeHtml(option.name),
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}}
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>
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</span>
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{option.hint && <span className="sb-hint">{option.hint}</span>}
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</div>
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))
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: null}
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</div>
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</div>
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</div>
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);
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useEffect(() => {
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selectedElementRef.current?.scrollIntoView({
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block: "nearest",
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});
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});
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return returnEl;
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}
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Reference in New Issue
Block a user