extract-first-json/.auto/build/index.js

Extract the first JSON object or array from a string

import { parseJSONObject, parseJSONArray } from "parse-json-object";
import reduceFirst from "reduce-first";
function extract(text, startBracket, endBracket, parser) {
    return reduceFirst(Array.from(text), (char, startIndex)=>{
        if (char === startBracket) {
            let section = text.slice(startIndex);
            while(section.lastIndexOf(endBracket) > 0){
                section = section.slice(0, section.lastIndexOf(endBracket) + 1);
                const result = parser(section);
                if (result !== undefined) {
                    return result;
                }
            }
        }
        return undefined;
    });
}
export function extractJSONObject(text) {
    return extract(text, "{", "}", parseJSONObject);
}
export function extractJSONArray(text) {
    return extract(text, "[", "]", parseJSONArray);
}
export function extractJSON(text) {
    const object = extractJSONObject(text);
    const array = extractJSONArray(text);
    if (object !== undefined && array !== undefined) {
        return JSON.stringify(object).length > JSON.stringify(array).length ? object : array;
    } else {
        return object !== null && object !== void 0 ? object : array;
    }
}