@giorgi-g/csv-parser/src/lib/File.js

CSV parser for migrations with Sequelizer

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.File = void 0;
const fs = require("fs");
class File {
    constructor(filePath, extension = 'txt', encoding = 'utf8', jsonReplacer = null, jsonSpacer = 2, plainFile = false) {
        this.filePath = '';
        this.extension = 'txt';
        this.encoding = 'utf8';
        this.jsonReplacer = null;
        this.plainFile = false;
        this.read = () => __awaiter(this, void 0, void 0, function* () {
            try {
                if (this.plainFile) {
                    return fs.readFileSync(`${this.filePath}.${this.extension}`, this.encoding);
                }
                return JSON.parse(fs.readFileSync(`${this.filePath}.${this.extension}`, this.encoding));
            }
            catch (err) {
                return [];
            }
        });
        this.clear = () => __awaiter(this, void 0, void 0, function* () { return yield this.write([]); });
        this.write = (data) => __awaiter(this, void 0, void 0, function* () {
            const path = `${this.filePath}.${this.extension}`;
            const stream = this.plainFile && typeof data === 'string'
                ? data
                : JSON.stringify(data, this.jsonReplacer, this.jsonSpacer);
            return fs.writeFile(path, stream, (err) => {
                if (err)
                    return console.log(err);
                console.log(`Writing files inside ${this.filePath}.${this.extension} finished!`);
            });
        });
        this.filePath = filePath;
        this.extension = extension;
        this.encoding = encoding;
        this.jsonReplacer = jsonReplacer;
        this.jsonSpacer = jsonSpacer;
        this.plainFile = plainFile;
    }
}
exports.File = File;