PDF Handler class

PDFHandler.ts

import { Injectable } from '@angular/core';
import pdfMake from 'pdfmake/build/pdfmake';
import './CustomPDFFont';

@Injectable()

export
    class PDFHandler {
    constructor() {
        pdfMake.fonts = {
            alef: {
                normal: 'Alef-Bold.ttf', bold: 'Alef-Bold.ttf', italics: 'Alef-Bold.ttf"', bolditalics: 'Alef-Bold.ttf',
            }
        };
    }

    public getPDFTable(columns: any[], data: any[][], name: string, tableOptions?: any): void {
        data.unshift(columns);
        data = this.turnHebrewText(data);
        let contentDefinition = {
            content: [
                { text: 'Clients List' },
                {
                    table: {
                        widths: columns.map(() => '*'),
                        body: data
                    }
                }
            ],
            defaultStyle: {
                font: 'alef'
            }
        };
        pdfMake.createPdf(contentDefinition).download(name);
    }

    private turnHebrewText(data: string[][] | any[][]): any[][] {
        let returnData = [];
        for (let row of data) {
            let rowData = [];
            // reverse the order if need be
            // row.reverse();
            for (let cell of row) {
                if (typeof cell === 'string') {
                    if (cell.charCodeAt(0) > 0x590 && cell.charCodeAt(0) < 0x5FF) {
                        cell = cell.split(' ').reverse().join('  ');
                    }
                }
                rowData.push(cell);
            }
            returnData.push(rowData);
        }
        return returnData;
    }
}