csv-writer/src/lib/csv-writer-factory.ts

Convert objects/arrays into a CSV string or write them into a CSV file

import {CsvWriter} from './csv-writer';
import {CsvStringifierFactory} from './csv-stringifier-factory';
import {ObjectStringifierHeader} from './record';

export interface ArrayCsvWriterParams {
    path: string;
    header?: string[];
    fieldDelimiter?: string;
    recordDelimiter?: string;
    alwaysQuote?: boolean;
    encoding?: string;
    append?: boolean;
}

export interface ObjectCsvWriterParams {
    path: string;
    header: ObjectStringifierHeader;
    fieldDelimiter?: string;
    recordDelimiter?: string;
    headerIdDelimiter?: string;
    alwaysQuote?: boolean;
    encoding?: string;
    append?: boolean;
}

export class CsvWriterFactory {
    constructor(private readonly csvStringifierFactory: CsvStringifierFactory) {}

    createArrayCsvWriter(params: ArrayCsvWriterParams) {
        const csvStringifier = this.csvStringifierFactory.createArrayCsvStringifier({
            header: params.header,
            fieldDelimiter: params.fieldDelimiter,
            recordDelimiter: params.recordDelimiter,
            alwaysQuote: params.alwaysQuote
        });
        return new CsvWriter(csvStringifier, params.path, params.encoding, params.append);
    }

    createObjectCsvWriter(params: ObjectCsvWriterParams) {
        const csvStringifier = this.csvStringifierFactory.createObjectCsvStringifier({
            header: params.header,
            fieldDelimiter: params.fieldDelimiter,
            recordDelimiter: params.recordDelimiter,
            headerIdDelimiter: params.headerIdDelimiter,
            alwaysQuote: params.alwaysQuote
        });
        return new CsvWriter(csvStringifier, params.path, params.encoding, params.append);
    }
}