payloadcms-import-export-plugin/dist/import/parsers.js

A comprehensive Payload CMS plugin that enables seamless import and export of collection data with support for CSV and JSON formats, featuring advanced field mapping, duplicate handling, and batch processing capabilities.

import { parse } from 'csv-parse/sync';
export const parseCSV = async (fileBuffer)=>{
    const errors = [];
    let data = [];
    try {
        const content = fileBuffer.toString('utf-8');
        data = parse(content, {
            columns: true,
            skip_empty_lines: true,
            trim: true,
            auto_parse: true,
            auto_parse_date: true
        });
    } catch (error) {
        errors.push(`CSV parsing error: ${error instanceof Error ? error.message : 'Unknown error'}`);
    }
    return {
        data,
        errors
    };
};
export const parseJSON = async (fileBuffer)=>{
    const errors = [];
    let data = [];
    try {
        const content = fileBuffer.toString('utf-8');
        const parsed = JSON.parse(content);
        if (Array.isArray(parsed)) {
            data = parsed;
        } else if (parsed && typeof parsed === 'object') {
            data = [
                parsed
            ];
        } else {
            errors.push('JSON must be an object or array of objects');
        }
    } catch (error) {
        errors.push(`JSON parsing error: ${error instanceof Error ? error.message : 'Unknown error'}`);
    }
    return {
        data,
        errors
    };
};
export const detectFileFormat = (filename)=>{
    const ext = filename.toLowerCase().split('.').pop();
    switch(ext){
        case 'csv':
            return 'csv';
        case 'json':
            return 'json';
        default:
            return 'unknown';
    }
};

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