50 lines
1.6 KiB
TypeScript
50 lines
1.6 KiB
TypeScript
import { NextPage } from "next";
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import Link from "next/link";
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import { MutableRefObject } from "react";
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import styles from "../../styles/REPL/REPLHistory.module.css";
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interface REPLHistoryParams {
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history: string[];
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inputRef: MutableRefObject<HTMLInputElement|undefined>;
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}
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const REPLHistory: NextPage<REPLHistoryParams> = ({history, inputRef}) => {
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const focusInput = () => {if (inputRef.current) inputRef.current.focus();};
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const parseLine = (line: string) => {
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if (line === "") return "\u00A0";
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let idxStart = line.indexOf("#{");
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let idxSep = line.indexOf("|", idxStart);
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let idxEnd = line.indexOf("}", idxSep);
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if (idxStart === -1 || idxSep === -1 || idxEnd === -1) return line;
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const result = []
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while (idxStart !== -1 && idxSep !== -1 && idxEnd !== -1) {
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const linkText = line.substring(idxStart+2, idxSep);
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const linkHref = line.substring(idxSep+1, idxEnd);
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result.push(line.substring(0, idxStart));
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result.push(<Link href={linkHref}><a className={styles.link}>{linkText}</a></Link>);
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line = line.substring(idxEnd+1)
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idxStart = line.indexOf("#{");
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idxSep = line.indexOf("|", idxStart);
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idxEnd = line.indexOf("}", idxSep);
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}
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result.push(line.substring(idxEnd+1))
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return result
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}
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return <div className={styles.container} onClick={focusInput}>
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{ history.map((value, idx) => {
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return <div className={styles.line} key={idx}>
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{parseLine(value)}
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</div>}
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)}
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</div>;
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};
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export default REPLHistory; |