smartcsv/ts/index.ts
2018-05-10 19:47:14 +02:00

65 lines
1.5 KiB
TypeScript

import * as plugins from './smartcsv.plugins';
export interface ICsvConstructorOptions {
headers: boolean;
}
export class Csv {
public static async createCsvFromString (csvStringArg: string, options: ICsvConstructorOptions): Promise<Csv> {
const csvInstance = new Csv();
csvInstance.csvString = csvStringArg;
return csvInstance;
}
public csvString: string;
public headers: string[];
public options: ICsvConstructorOptions = {
headers: true
};
public serializeCsvString () {
const rowArray = this.getRows();
const resultArray = [];
if (this.options.headers) {
this.getHeaders();
rowArray.shift();
}
for (const row of rowArray) {
resultArray.push(row.split(';'));
}
return resultArray;
}
public getRows () {
return this.csvString.split('\n');
}
public getHeaders () {
const rowArray = this.getRows();
if (this.options.headers) {
let headerRow = rowArray[ 0 ];
this.headers = headerRow.split(';');
}
return this.headers;
}
public createDataObject (dataArray: string[]) {
const neededIterations = dataArray.length;
let resultJson: any = {};
for(let i = 0; i < neededIterations; i++) {
resultJson[this.headers[i]] = dataArray[i];
}
return resultJson;
}
public async exportAsObject (): Promise<any> {
const serializedData = this.serializeCsvString();
const dataObjects = [];
for (const dataArray of serializedData) {
dataObjects.push(this.createDataObject(dataArray));
}
return dataObjects;
}
}