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import {parse, stringify} from "../../deps.pure_ext.ts";import {primitiveParseX} from "../pure/primitive.ts";
/*** Convert from object array to CSV string.* @see https://deno.land/std/csv* @example* ```ts* const csv = csvEncode([{*     aaa: 123,*     bbb: true* }]);* ```*/export function csvEncode<T extends Record<keyof T, string | number | boolean>>(data:T[], bom?:boolean):string{    return stringify(data, {        bom: bom,        columns: Object.keys(data[0])    }).replace(/\r/g, "").trim();}
/*** Convert from CSV string to object array.* If parsing failed of cell value use default (`def`) value.* Convert to same type as default value.* @see https://deno.land/std/csv* @example* ```ts* const list = csvDecode("aaa,bbb\n123,true", {*     aaa: 0,*     bbb: false* });* ```*/export function csvDecode<T extends Record<keyof T, string | number | boolean>>(data:string, def:T):T[]{    const csv = parse(data, {        skipFirstRow: true,        trimLeadingSpace: true    });
    const records:T[] = [];
    for(const element of csv){        const props:Partial<T> = {};        type K = keyof T;
        for(const [k, v] of Object.entries(element)){            props[<K>k] = <T[K]>primitiveParseX(v, def[<K>k]);        }
        records.push(structuredClone(<T>props));    }
    return records;}