SpaceNinjaServer

import { JSONParse } from "json-with-bigint";

export const getJSONfromString = <T>(str: string): T => {
    const jsonSubstring = str.substring(0, str.lastIndexOf("}") + 1);
    return JSONParse(jsonSubstring) as T;
};

export const getSubstringFromKeyword = (str: string, keyword: string): string => {
    const index = str.indexOf(keyword);
    if (index == -1) {
        throw new Error(`keyword ${keyword} not found in string ${str}`);
    }
    return str.substring(index);
};

/*export const getSubstringFromKeywordToKeyword = (str: string, keywordBegin: string, keywordEnd: string): string => {
    const beginIndex = str.lastIndexOf(keywordBegin) + 1;
    const endIndex = str.indexOf(keywordEnd);
    return str.substring(beginIndex, endIndex + 1);
};

export const getIndexAfter = (str: string, searchWord: string): number => {
    const index = str.indexOf(searchWord);
    if (index === -1) {
        return -1;
    }
    return index + searchWord.length;
};*/

// This is FNV1a-32 except operating under modulus 2^31 because JavaScript is stinky and likes producing negative integers out of nowhere.
export const catBreadHash = (name: string): number => {
    let hash = 2166136261;
    for (let i = 0; i != name.length; ++i) {
        hash = (hash ^ name.charCodeAt(i)) & 0x7fffffff;
        hash = (hash * 16777619) & 0x7fffffff;
    }
    return hash;
};

export const regexEscape = (str: string): string => {
    str = str.replaceAll(".", "\\.");
    str = str.replaceAll("\\", "\\\\");
    str = str.replaceAll("[", "\\[");
    str = str.replaceAll("]", "\\]");
    str = str.replaceAll("+", "\\+");
    str = str.replaceAll("*", "\\*");
    str = str.replaceAll("$", "\\$");
    str = str.replaceAll("^", "\\^");
    str = str.replaceAll("?", "\\?");
    str = str.replaceAll("|", "\\|");
    str = str.replaceAll("(", "\\(");
    str = str.replaceAll(")", "\\)");
    str = str.replaceAll("{", "\\{");
    str = str.replaceAll("}", "\\}");
    return str;
};

export const addString = (arr: string[], str: string): void => {
    if (arr.indexOf(str) == -1) {
        arr.push(str);
    }
};