html-to-pdf-maker/index.js

An html to pdf converter utility

var Handlebars = require('handlebars');
var pdf = require('html-pdf');

var createFile = function(document, options) {
    return new Promise((resolve, reject) => {
        if (!document || !document.html || !document.data) {
            reject(new Error("Some, or all, options are missing."));
        }
        // Compiles a template
        var html = Handlebars.compile(document.html)(document.data);
        var pdfPromise = pdf.create(html, options);

        // Create PDF from html template generated by handlebars
        // Output will be PDF file
        pdfPromise.toFile(document.path, (err, res) => {
            if (!err)
                resolve(res);
            else
                reject(err);
        });
    });
}


var createBuffer = function(document, options) {
    return new Promise((resolve, reject) => {
        if (!document || !document.html || !document.data) {
            reject(new Error("Some, or all, options are missing."));
        }
        // Compiles a template
        var html = Handlebars.compile(document.html)(document.data);
        var pdfPromise = pdf.create(html, options);

        // Create PDF from html template generated by handlebars
        // Output will be PDF file
        pdfPromise.toBuffer((err, res) => {
            if (!err)
                resolve(res);
            else
                reject(err);
        });
    });
}

var createStream = function(document, options) {
    return new Promise((resolve, reject) => {
        if (!document || !document.html || !document.data) {
            reject(new Error("Some, or all, options are missing."));
        }
        // Compiles a template
        var html = Handlebars.compile(document.html)(document.data);
        var pdfPromise = pdf.create(html, options);

        // Create PDF from html template generated by handlebars
        // Output will be PDF file
        pdfPromise.toStream((err, res) => {
            if (!err)
                resolve(res);
            else
                reject(err);
        });
    });
}

module.exports = {
    createFile,
    createBuffer,
    createStream
}