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    pdf-page-counter

    1.0.3 • Public • Published

    pdf-page-counter

    Pure javascript cross-platform module to extract texts from PDFs.

    version downloads node status

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    Installation

    npm install pdf-page-counter

    Basic Usage - Local Files

    const fs = require('fs');
    const pdf = require('pdf-page-counter');
     
    let dataBuffer = fs.readFileSync('path to PDF file...');
     
    pdf(dataBuffer).then(function(data) {
     
        // number of pages
        console.log(data.numpages);
        // number of rendered pages
        console.log(data.numrender);
        // PDF info
        console.log(data.info);
        // PDF metadata
        console.log(data.metadata);
        // PDF.js version
        // check https://mozilla.github.io/pdf.js/getting_started/
        console.log(data.version);
        // PDF text
        console.log(data.text);
     
    });

    Basic Usage - HTTP

    You can use crawler-request which uses the pdf-parse

    Exception Handling

    const fs = require('fs');
    const pdf = require('pdf-page-counter');
     
    let dataBuffer = fs.readFileSync('path to PDF file...');
     
    pdf(dataBuffer).then(function(data) {
        // use data
    })
    .catch(function(error){
        // handle exceptions
    })

    Extend

    // default render callback
    function render_page(pageData) {
        //check documents https://mozilla.github.io/pdf.js/
        let render_options = {
            //replaces all occurrences of whitespace with standard spaces (0x20). The default value is `false`.
            normalizeWhitespace: false,
            //do not attempt to combine same line TextItem's. The default value is `false`.
            disableCombineTextItems: false
        }
     
        return pageData.getTextContent(render_options)
        .then(function(textContent) {
            let lastY, text = '';
            for (let item of textContent.items) {
                if (lastY == item.transform[5] || !lastY){
                    text += item.str;
                }
                else{
                    text += '\n' + item.str;
                }
                lastY = item.transform[5];
            }
            return text;
        });
    }
     
    let options = {
        pagerender: render_page
    }
     
    let dataBuffer = fs.readFileSync('path to PDF file...');
     
    pdf(dataBuffer,options).then(function(data) {
        //use new format
    });

    Options

    const DEFAULT_OPTIONS = {
        // internal page parser callback
        // you can set this option, if you need another format except raw text
        pagerender: render_page,
     
        // max page number to parse
        max: 0,
     
        //check https://mozilla.github.io/pdf.js/getting_started/
        version: 'v1.10.100'
    }

    pagerender (callback)

    If you need another format except raw text.

    max (number)

    Max number of page to parse. If the value is less than or equal to 0, parser renders all pages.

    version (string, pdf.js version)

    check pdf.js

    • 'default'
    • 'v1.9.426'
    • 'v1.10.100'
    • 'v1.10.88'
    • 'v2.0.550'

    default version is v1.10.100 mozilla.github.io/pdf.js

    Test

    Support

    I use this package actively myself, so it has my top priority. You can chat on WhatsApp about any infos, ideas and suggestions.

    WhatsApp

    Submitting an Issue

    If you find a bug or a mistake, you can help by submitting an issue to GitLab Repository

    Creating a Merge Request

    GitLab calls it merge request instead of pull request.

    License

    MIT licensed and all it's dependencies are MIT or BSD licensed.

    Install

    npm i pdf-page-counter

    DownloadsWeekly Downloads

    264

    Version

    1.0.3

    License

    MIT

    Unpacked Size

    4.68 MB

    Total Files

    20

    Last publish

    Collaborators

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