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natancabral / natancabral-pdfkit-table

Helps to draw informations in simple tables using pdfkit. #server-side. Generate pdf tables with javascript (PDFKIT plugin)

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natancabral-pdfkit-table (Natan Cabral)

natancabral-pdfkit-table

Generate pdf tables with javascript (PDFKIT plugin)

Helps to draw informations in simple tables using pdfkit. #server-side.

Examples

view pdf example | color pdf | full code example | server example | json example | all

Install

NPM

npm install natancabral-pdfkit-table

Use

  // requires
  const fs = require("fs");
  const PDFDocument = require("natancabral-pdfkit-table");  

  // create document
  let doc = new PDFDocument({ margin: 30, size: 'A4' });
  // file name
  doc.pipe(fs.createWriteStream("./document.pdf"));
  
  // table
  const table = { 
    title: '',
    headers: [],
    datas: [ /* complex data */ ],
    rows: [ /* or simple data */ ],
  }
  // the magic
  doc.table( table, { /* options */ }, () => { /* callback */ } );
  // doc.table() is a Promise to async/await function 

  // if your run express.js server
  // to show PDF on navigator
  // doc.pipe(res);

  // done!
  doc.end();

Server response

server example

  app.get('/create-pdf', (req, res) => {
    // ...table code
    // if your run express.js server
    // to show PDF on navigator
    doc.pipe(res);
    // done!
    doc.end();
  });

Example 1 - Simple Array

  // requires 
  const table = {
    title: "Title",
    subtitle: "Subtitle",
    headers: ["Country", "Conversion rate", "Trend"],
    rows: [
      ["Switzerland", "12%", "+1.12%"],
      ["France", "67%", "-0.98%"],
      ["England", "33%", "+4.44%"],
    ],
  };
  doc.table( table, { 
    // A4 595.28 x 841.89 (portrait) (about width sizes)
    width: 300,
    //columnsSize: [ 200, 100, 100 ],
  }); 
  // end code

Example 2 - Table

  // require
  // A4 595.28 x 841.89 (portrait) (about width sizes)
  const table = {
    title: "Title",
    subtitle: "Subtitle",
    headers: [
      { label:"Name", property: 'name', width: 60, renderer: null },
      { label:"Description", property: 'description', width: 150, renderer: null }, 
      { label:"Price 1", property: 'price1', width: 100, renderer: null }, 
      { label:"Price 2", property: 'price2', width: 100, renderer: null }, 
      { label:"Price 3", property: 'price3', width: 80, renderer: null }, 
      { label:"Price 4", property: 'price4', width: 43, 
        renderer: (value, indexColumn, indexRow, row) => { return `U$ ${Number(value).toFixed(2)}` } 
      },
    ],
    // complex data
    datas: [
      { 
        name: 'Name 1', 
        description: 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean mattis ante in laoreet egestas. ', 
        price1: '$1', 
        price3: '$ 3', 
        price2: '$2', 
        price4: '4', 
      },
      { 
        options: { fontSize: 10, separation: true},
        name: 'bold:Name 2', 
        description: 'bold:Lorem ipsum dolor.', 
        price1: 'bold:$1', 
        price3: { 
          label: 'PRICE $3', options: { fontSize: 12 } 
        }, 
        price2: '$2', 
        price4: '4', 
      },
      // {...},
    ],
    // simeple data
    rows: [
      [
        "Apple",
        "Nullam ut facilisis mi. Nunc dignissim ex ac vulputate facilisis.",
        "$ 105,99",
        "$ 105,99",
        "$ 105,99",
        "105.99",
      ],
      // [...],
    ],
  };

  doc.table(table, {
    prepareHeader: () => doc.font("Helvetica-Bold").fontSize(8),
    prepareRow: (row, indexColumn, indexRow, rectRow, rectCell) => {
      doc.font("Helvetica").fontSize(8);
      indexColumn === 0 && doc.addBackground(rectRow, 'blue', 0.15);
    },
  });

Example 3 - Json

// renderer function inside json file
const tableJson = '{ 
  "headers": [
    { "label":"Name", "property":"name", "width":100 },
    { "label":"Age", "property":"age", "width":100 },
    { "label":"Year", "property":"year", "width":100 }
  ],
  "datas": [
    { "name":"bold:Name 1", "age":"Age 1", "year":"Year 1" },
    { "name":"Name 2", "age":"Age 2", "year":"Year 2" },
    { "name":"Name 3", "age":"Age 3", "year":"Year 3",
        "renderer": "function(value, i, irow){ return value + `(${(1+irow)})`; }"
    }
  ],
  "rows": [
    ["Name 4", "Age 4", "Year 4"]
  ],
  "options": {
    "width": 300
  }
}';
doc.table( tableJson );

Example 4 - Json file (many tables)

const json = require('./table.json');
// if json file is array
Array.isArray(json) ? 
// any tables
json.forEach( table => doc.table( table, table.options || {} ) ) : 
// one table
doc.table( json, json.options || {} ) ;

Table

  • Array.<object> | JSON
    • headers Array.<object> | Array.[]
      • label String
      • property String
      • width Number
      • align String
      • valign String
      • headerColor String
      • headerOpacity Number
      • headerAlign String
      • columnColor or backgroundColor String
      • columnOpacity or backgroundOpacity: Number
      • renderer Function function( value, indexColumn, indexRow, row, rectRow, rectCell ) { return value }
    • datas Array.<object>
    • rows Array.[]
    • title String || Object
    • subtitle String || Object

Headers

Properties Type Default Description
label String undefined description
property String undefined id
width Number undefined width of column
align String left alignment
valign String undefined vertical alignment. ex: valign: "center"
headerColor String grey or #BEBEBE color of header
headerOpacity Number 0.5 opacity of header
headerAlign String left only header
columnColor or backgroundColor String undefined color of column
columnOpacity or backgroundOpacity Number undefined opacity of column
renderer Function Function function( value, indexColumn, indexRow, row, rectRow, rectCell ) { return value }

Simple headers example

const table = {
  // simple headers only with ROWS (not DATAS)  
  headers: ['Name', 'Age'],
  // simple content
  rows: [
    ['Jack', '32'], // row 1
    ['Maria', '30'], // row 2
  ]
};

Complex headers example

const table = {
  // complex headers work with ROWS and DATAS  
  headers: [
    { label:"Name", property: 'name', width: 100, renderer: null },
    { label:"Age", property: 'age', width: 100, renderer: (value) => `U$ ${Number(value).toFixed(1)}` },
  ],
  // complex content
  datas: [
    { name: 'bold:Jack', age: 32, },
    // age is object value with style options
    { name: 'Maria', age: { label: 30 , options: { fontSize: 12 }}, },
  ],
  // simple content (works fine!)
  rows: [
    ['Jack', '32'], // row 1
    ['Maria', '30'], // row 2
  ]
};

Options

Properties Type Default Description
title String Object undefined
subtitle String Object undefined
width Number undefined width of table
x Number undefined / doc.x position x (left)
y Number undefined / doc.y position y (top)
divider Object undefined define divider lines
columnsSize Array undefined define sizes
columnSpacing Number 5
addPage Boolean false add table on new page
hideHeader Boolean false hide header
prepareHeader Function Function ()
prepareRow Function Function (row, indexColumn, indexRow, rectRow, rectCell) => {}

Options example

const options = {
  // properties
  title: "Title", // { label: 'Title', fontSize: 30, color: 'blue', fontFamily: "./fonts/type.ttf" },
  subtitle: "Subtitle", // { label: 'Subtitle', fontSize: 20, color: 'green', fontFamily: "./fonts/type.ttf" },
  width: 500, // {Number} default: undefined // A4 595.28 x 841.89 (portrait) (about width sizes)
  x: 0, // {Number} default: undefined | doc.x
  y: 0, // {Number} default: undefined | doc.y
  divider: {
    header: {disabled: false, width: 2, opacity: 1},
    horizontal: {disabled: false, width: 0.5, opacity: 0.5},
  },
  padding: 5, // {Number} default: 0
  columnSpacing: 5, // {Number} default: 5
  hideHeader: false, 
  // functions
  prepareHeader: () => doc.font("Helvetica-Bold").fontSize(8), // {Function} 
  prepareRow: (row, indexColumn, indexRow, rectRow, rectCell) => doc.font("Helvetica").fontSize(8), // {Function} 
}

Options Row

  • separation {Booleon}
  • fontSize {Number}
  • fontFamily {String}
datas: [
  // options row
  { name: 'Jack', options: { fontSize: 10, fontFamily: 'Courier-Bold', separation: true } },
]
  • String
    • bold:
      • 'bold:Jack'
    • size{n}:
      • 'size11:Jack'
      • 'size20:Jack'
datas: [
  // bold
  { name: 'bold:Jack' },
  // size{n}
  { name: 'size20:Maria' },
  { name: 'size8:Will' },
  // normal
  { name: 'San' },
]

Options Cell

  • fontSize {Number}
  • fontFamily {String}
datas: [
  // options cell | value is object | label is string
  { name: { label: 'Jack', options: { fontSize: 10, fontFamily: 'Courier-Bold' } },
]

Fonts Family

  • Courier
    • Courier-Bold
    • Courier-Oblique
    • Courier-BoldOblique
  • Helvetica
    • Helvetica-Bold
    • Helvetica-Oblique
    • Helvetica-BoldOblique
  • Symbol
  • Times-Roman
    • Times-Bold
    • Times-Italic
    • Times-BoldItalic
  • ZapfDingbats

ToDo

  • Suggestions / Issues / Fixes
  • striped {Boolean} (corsimcornao)
  • colspan - the colspan attribute defines the number of columns a table cell should span.
  • sample with database
  • margin: marginBottom before, marginTop after

Changelogs

0.1.88

  • Fix header font family or title object
    • Thanks @RastaGrzywa
let localType = "./font/Montserrat-Regular.ttf";
const table = {
  title: { label: 'Title Object 2', fontSize: 30, color: 'blue', fontFamily: localType },
}

0.1.87

  • Add options hideHeader
    • Thanks Ville @VilleKoo
  options: {
    hideHeader: true,
  }

0.1.83

  • Avoid a table title appearing alone
    • Thanks Alexis Arriola @AlexisArriola
  • Problem with long text in cell spreading on several pages
    • Thanks Ed @MeMineToMe

0.1.72

  • Add Divider Lines on options
  options: {
    // divider lines
    divider: {
      header: {disabled: false, width: 0.5, opacity: 0.5},
      horizontal: {disabled: true, width: 0.5, opacity: 0.5},
    },
  }
  • Thanks Luc Swart @lucswart

0.1.70

  • Fix y position.
    • Thanks Nabil Tahmidul Karim @nabiltkarim

0.1.68

  • Added Promise. table is a Promise();
    • Async/Await function
;(async function(){
  // create document
  const doc = new PDFDocument({ margin: 30, });
  // to save on server
  doc.pipe(fs.createWriteStream("./my-table.pdf"));
  // tables
  await doc.table(table, options);
  await doc.table(table, options);
  await doc.table(table, options);
  // done
  doc.end();
})();
  • Added callback.
  doc.table(table, options, callback);

0.1.63

  • Added valign on headers options. (ex: valign:"center")
  • Added headerAlign, alignment only to header. 
    headers: [
  {label:"Name", property:"name", valign: "center", headerAlign:"right", headerColor:"#FF0000", headerOpacity:0.5 }
]
    • Thanks @DPCLive

0.1.60

  • Add callback on addBackground function, add .save() and .restore() style.
  • Header font color
    • Thanks @dev-fema

0.1.59

  • Add padding

0.1.57

  • Header color and opacity 
    headers: [
  {label:"Name", property:"name", headerColor:"#FF0000", headerOpacity:0.5 }
]
    • Thanks Albert Taveras @itsalb3rt

0.1.55

  • Align on headers 
    headers: [
  {label:"Name", property:"name", align:"center"}
]
    • Thanks Andrea Fucci

0.1.49

  • Max size page

0.1.48

  • Header height size
  • Separate line width

0.1.47

  • addHeader() function on all add pages
    • Thanks Anders Wasen @QAnders

0.1.46

  • addBackground() function to node 8
    • Thanks @mehmetunubol

0.1.45

  • Add rectCell on renderer
    • renderer = ( value, indexColumn, indexRow, row, rectRow, rectCell ) => {}
    • Thanks Eduardo Miranda

0.1.44

  • Fix paddings and distances

0.1.43

  • Remove rowSpacing
  • Fix columnSpacing

0.1.41

  • Background color on header to colorize column
    • headers: [ { label:"Name", property: 'name', backgroundColor: 'red', backgroundOpacity: 0.5 }, { label:"Age", property: 'age', background: { color: 'green', opacity: 0.5 } }, ]
  • Background color inside row options datas
    • datas: [ { name:"My Name", age: 20, options: { backgroundColor: 'red', backgroundOpacity: 0.5 } }, { name:"My Name", age: 20, options: { background: { color: 'green', opacity: 0.5 } } }, ]
  • Background color inside cell options datas
    • datas: [ { name:{ label: "My Name", age: 20, options: { backgroundColor: 'red', backgroundOpacity: 0.5 } }}, { name:{ label: "My Name", age: 20, options: { background: { color: 'green', opacity: 0.5 } } }}, ]

0.1.39

  • addBackground {Function} - Add background peer line.
    • doc.addBackground( {x, y, width, height}, fillColor, opacity, callback );
  • prepareRow {Function}
    • const options = { prepareRow: (row, indexColumn, indexRow, rectRow, rectCell) => { indexColumn === 0 && doc.addBackground(rectRow, 'red', 0.5) } }

0.1.38

  • tables {Function} - Add many tables.
    • doc.tables([ table0, table1, table2, ... ]);

0.1.37

  • addPage {Boolean} - Add table on new page.
    • const options = { addPage: true, };

0.1.36

  • Fix position x, y of title
  • options.x: null | -1 // reset position to margins.left

0.1.35

  • add title {String}
    • const table = { title: "", };
    • const options = { title: "", };
  • add subtitle {String}
    • const table = { subtitle: "", };
    • const options = { subtitle: "", };

0.1.34

  • add columnsSize on options = {} // only to simple table

0.1.33

  • Function tableToJson
    • import {tableToJson} from 'natancabral-pdfkit-table';
    • const table = tableToJson('#id_table'); {Object}
  • Function allTablesToJson
    • import {allTablesToJson} from 'natancabral-pdfkit-table';
    • const tables = allTablesToJson(); {Array}

0.1.32

  • spacing cell and header alignment
  • Thank you, contributors!

0.1.31

  • renderer function on json file. { "renderer": "function(value, icol, irow, row){ return (value+1) + (${(irow+2)}); }" }
  • fix width table and separation lines size

License

The MIT License.

Author

Natan Cabral
natancabral@hotmail.com
https://github.com/natancabral/

Thank you

About

Helps to draw informations in simple tables using pdfkit. #server-side. Generate pdf tables with javascript (PDFKIT plugin)

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License:MIT License

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