# ExcelJS [![Build Status](https://github.com/exceljs/exceljs/actions/workflows/tests.yml/badge.svg?branch=master&event=push)](https://github.com/exceljs/exceljs/actions/workflows/tests.yml) Read, manipulate and write spreadsheet data and styles to XLSX and JSON. Reverse engineered from Excel spreadsheet files as a project. # Translations * [中文文档](README_zh.md) # Installation ```shell npm install exceljs ``` # New Features! * Merged [fix: styles rendering in case when "numFmt" is present in conditional formatting rules (resolves #1814) #1815](https://github.com/exceljs/exceljs/pull/1815).
Many thanks to [@andreykrupskii](https://github.com/andreykrupskii) for this contribution! * Merged [inlineStr cell type support #1575 #1576](https://github.com/exceljs/exceljs/pull/1576).
Many thanks to [@drdmitry](https://github.com/drdmitry) for this contribution! * Merged [Fix parsing of boolean attributes #1849](https://github.com/exceljs/exceljs/pull/1849).
Many thanks to [@bno1](https://github.com/bno1) for this contribution! * Merged [add optional custom auto-filter to table #1670](https://github.com/exceljs/exceljs/pull/1670).
Many thanks to [@thambley](https://github.com/thambley) for this contribution! * Merged [Deep copy inherited style #1850](https://github.com/exceljs/exceljs/pull/1850).
Many thanks to [@ikzhr](https://github.com/ikzhr) for this contribution! * Merged [Upgrade actions/cache and actions/setup-node #1846](https://github.com/exceljs/exceljs/pull/1846).
Many thanks to [@cclauss](https://github.com/cclauss) for this contribution! * Merged [Check object keys in isEqual #1831](https://github.com/exceljs/exceljs/pull/1831).
Many thanks to [@bno1](https://github.com/bno1) for this contribution! * Merged [Add v17 to testing workflow #1856](https://github.com/exceljs/exceljs/pull/1856).
Many thanks to [@Siemienik](https://github.com/Siemienik) for this contribution! * Merged [Upgrade jszip to its latest version to date. This version does not have any vulnerability found by Snyk so far #1895](https://github.com/exceljs/exceljs/pull/1895).
Many thanks to [@ValerioSevilla](https://github.com/ValerioSevilla) for this contribution! * Merged [Update README.md #1677](https://github.com/exceljs/exceljs/pull/1677).
Many thanks to [@xjrcode](https://github.com/xjrcode) for this contribution! * Merged [(docs): set prototype of RegExp correctly. #1700](https://github.com/exceljs/exceljs/pull/1700).
Many thanks to [@joeldenning](https://github.com/joeldenning) for this contribution! * Merged [Added timeouts to github actions #1733](https://github.com/exceljs/exceljs/pull/1733).
Many thanks to [@alexbjorlig](https://github.com/alexbjorlig) for this contribution! * Merged [fix issue 1676 #1701](https://github.com/exceljs/exceljs/pull/1701).
Many thanks to [@skypesky](https://github.com/skypesky) for this contribution! * Merged [ExcelJS/ExcelJS#2237 : Update CI Tests, Drop support for Node v8 #2242](https://github.com/exceljs/exceljs/pull/2242).
Many thanks to [@Siemienik](https://github.com/Siemienik) for this contribution! * Merged [Fix types for getWorksheet() #2223](https://github.com/exceljs/exceljs/pull/2223).
Many thanks to [@hfhchan-plb](https://github.com/hfhchan-plb) for this contribution! * Merged [add characters cannot be used for worksheet name #2126](https://github.com/exceljs/exceljs/pull/2126).
Many thanks to [@tkm-kj](https://github.com/tkm-kj) for this contribution! * Merged [Fix issue #1753 Reject promise when workbook reader is writing to temporary file stream and error occurs #1756](https://github.com/exceljs/exceljs/pull/1756).
Many thanks to [@pauliusg](https://github.com/pauliusg) for this contribution! * Merged [README.md to have correct link for Streaming XLSX #2186](https://github.com/exceljs/exceljs/pull/2186).
Many thanks to [@wulfsolter](https://github.com/wulfsolter) for this contribution! * Merged [Added a polyfill of promise.finally to support lower versions of Firefox. #1982](https://github.com/exceljs/exceljs/pull/1982).
Many thanks to [@DemoJj](https://github.com/DemoJj) for this contribution! * Merged [Fix read this.worksheet before assign it #1934](https://github.com/exceljs/exceljs/pull/1934).
Many thanks to [@ZyqGitHub1](https://github.com/ZyqGitHub1) for this contribution! * Merged [chore: upgrade jszip to ^3.10.1 #2211](https://github.com/exceljs/exceljs/pull/2211).
Many thanks to [@jarrod-cocoon](https://github.com/jarrod-cocoon) for this contribution! * Merged [fixed spelling error in README.md file #2208](https://github.com/exceljs/exceljs/pull/2208).
Many thanks to [@HugoP27](https://github.com/HugoP27) for this contribution! * Merged [fix: Fix xlsx.writeFile() not catching error when error occurs #2244](https://github.com/exceljs/exceljs/pull/2244).
Many thanks to [@zurmokeeper](https://github.com/zurmokeeper) for this contribution! * Merged [Improve worksheets' naming validation logic. #2257](https://github.com/exceljs/exceljs/pull/2257).
Many thanks to [@Siemienik](https://github.com/Siemienik) for this contribution! * Merged [fix issue 2125 - spliceRows remove last row #2140](https://github.com/exceljs/exceljs/pull/2140).
Many thanks to [@babu-ch](https://github.com/babu-ch) for this contribution! * Merged [fix: fix the loss of column attributes due to incorrect column order #2222](https://github.com/exceljs/exceljs/pull/2222).
Many thanks to [@cpaiyueyue](https://github.com/cpaiyueyue) for this contribution! * Merged [Fix: Sheet Properties Types #2327](https://github.com/exceljs/exceljs/pull/2327).
Many thanks to [@albeniraouf](https://github.com/albeniraouf) for this contribution! * Merged [Use node 18 LTS for tsc, and benchmark. Add node 20. to test matrix. … #2354](https://github.com/exceljs/exceljs/pull/2354).
Many thanks to [@Siemienik](https://github.com/Siemienik) for this contribution! * Merged [Add missing tooltip attribute to CellHyperlinkValue index.d.ts #2350](https://github.com/exceljs/exceljs/pull/2350).
Many thanks to [@NiklasPor](https://github.com/NiklasPor) for this contribution! * Merged [Increase resilience to generating large workbooks #2320](https://github.com/exceljs/exceljs/pull/2320).
Many thanks to [@hfhchan-plb](https://github.com/hfhchan-plb) for this contribution! * Merged [repair all 'c2fo.io' links ('c2fo.github.io') #2324](https://github.com/exceljs/exceljs/pull/2324).
Many thanks to [@justintunev7](https://github.com/justintunev7) for this contribution! * Merged [fix: fix type definitions about last column, formula values and protection #2309](https://github.com/exceljs/exceljs/pull/2309).
Many thanks to [@gltjk](https://github.com/gltjk) for this contribution! * Merged [fix: add spinCount field for WorksheetProtection type #2284](https://github.com/exceljs/exceljs/pull/2284).
Many thanks to [@damingerdai](https://github.com/damingerdai) for this contribution! * Merged [Add type definition for WorksheetModel.merges #2281](https://github.com/exceljs/exceljs/pull/2281).
Many thanks to [@ytjmt](https://github.com/ytjmt) for this contribution! # Contributions Contributions are very welcome! It helps me know what features are desired or what bugs are causing the most pain. I have just one request; If you submit a pull request for a bugfix, please add a unit-test or integration-test (in the spec folder) that catches the problem. Even a PR that just has a failing test is fine - I can analyse what the test is doing and fix the code from that. Note: Please try to avoid modifying the package version in a PR. Versions are updated on release and any change will most likely result in merge collisions. To be clear, all contributions added to this library will be included in the library's MIT licence. ### Let's chat together: [![SiemaTeam](https://discordapp.com/api/guilds/976854442009825321/widget.png?style=banner2)](https://discord.gg/siema) # Contents

# Importing[⬆](#contents) ```javascript const ExcelJS = require('exceljs'); ``` ## ES5 Imports[⬆](#contents) To use the ES5 transpiled code, for example for node.js versions older than 10, use the dist/es5 path. ```javascript const ExcelJS = require('exceljs/dist/es5'); ``` **Note:** The ES5 build has an implicit dependency on a number of polyfills which are no longer explicitly added by exceljs. You will need to add "core-js" and "regenerator-runtime" to your dependencies and include the following requires in your code before the exceljs import: ```javascript // polyfills required by exceljs require('core-js/modules/es.promise'); require('core-js/modules/es.string.includes'); require('core-js/modules/es.object.assign'); require('core-js/modules/es.object.keys'); require('core-js/modules/es.symbol'); require('core-js/modules/es.symbol.async-iterator'); require('regenerator-runtime/runtime'); const ExcelJS = require('exceljs/dist/es5'); ``` For IE 11, you'll also need a polyfill to support unicode regex patterns. For example, ```js const rewritePattern = require('regexpu-core'); const {generateRegexpuOptions} = require('@babel/helper-create-regexp-features-plugin/lib/util'); const {RegExp} = global; try { new RegExp('a', 'u'); } catch (err) { global.RegExp = function(pattern, flags) { if (flags && flags.includes('u')) { return new RegExp(rewritePattern(pattern, flags, generateRegexpuOptions({flags, pattern}))); } return new RegExp(pattern, flags); }; global.RegExp.prototype = RegExp.prototype; } ``` ## Browserify[⬆](#contents) ExcelJS publishes two browserified bundles inside the dist/ folder: One with implicit dependencies on core-js polyfills... ```html ``` And one without... ```html ``` # Interface[⬆](#contents) ## Create a Workbook[⬆](#contents) ```javascript const workbook = new ExcelJS.Workbook(); ``` ## Set Workbook Properties[⬆](#contents) ```javascript workbook.creator = 'Me'; workbook.lastModifiedBy = 'Her'; workbook.created = new Date(1985, 8, 30); workbook.modified = new Date(); workbook.lastPrinted = new Date(2016, 9, 27); ``` ```javascript // Set workbook dates to 1904 date system workbook.properties.date1904 = true; ``` ## Set Calculation Properties[⬆](#contents) ```javascript // Force workbook calculation on load workbook.calcProperties.fullCalcOnLoad = true; ``` ## Workbook Views[⬆](#contents) The Workbook views controls how many separate windows Excel will open when viewing the workbook. ```javascript workbook.views = [ { x: 0, y: 0, width: 10000, height: 20000, firstSheet: 0, activeTab: 1, visibility: 'visible' } ] ``` ## Add a Worksheet[⬆](#contents) ```javascript const sheet = workbook.addWorksheet('My Sheet'); ``` Use the second parameter of the addWorksheet function to specify options for the worksheet. For Example: ```javascript // create a sheet with red tab colour const sheet = workbook.addWorksheet('My Sheet', {properties:{tabColor:{argb:'FFC0000'}}}); // create a sheet where the grid lines are hidden const sheet = workbook.addWorksheet('My Sheet', {views: [{showGridLines: false}]}); // create a sheet with the first row and column frozen const sheet = workbook.addWorksheet('My Sheet', {views:[{state: 'frozen', xSplit: 1, ySplit:1}]}); // Create worksheets with headers and footers const sheet = workbook.addWorksheet('My Sheet', { headerFooter:{firstHeader: "Hello Exceljs", firstFooter: "Hello World"} }); // create new sheet with pageSetup settings for A4 - landscape const worksheet = workbook.addWorksheet('My Sheet', { pageSetup:{paperSize: 9, orientation:'landscape'} }); ``` ## Remove a Worksheet[⬆](#contents) Use the worksheet `id` to remove the sheet from workbook. For Example: ```javascript // Create a worksheet const sheet = workbook.addWorksheet('My Sheet'); // Remove the worksheet using worksheet id workbook.removeWorksheet(sheet.id) ``` ## Access Worksheets[⬆](#contents) ```javascript // Iterate over all sheets // Note: workbook.worksheets.forEach will still work but this is better workbook.eachSheet(function(worksheet, sheetId) { // ... }); // fetch sheet by name const worksheet = workbook.getWorksheet('My Sheet'); // fetch sheet by id // INFO: Be careful when using it! // It tries to access to `worksheet.id` field. Sometimes (really very often) workbook has worksheets with id not starting from 1. // For instance It happens when any worksheet has been deleted. // It's much more safety when you assume that ids are random. And stop to use this function. // If you need to access all worksheets in a loop please look to the next example. const worksheet = workbook.getWorksheet(1); // access by `worksheets` array: workbook.worksheets[0]; //the first one; ``` It's important to know that `workbook.getWorksheet(1) != Workbook.worksheets[0]` and `workbook.getWorksheet(1) != Workbook.worksheets[1]`, because `workbook.worksheets[0].id` may have any value. ## Worksheet State[⬆](#contents) ```javascript // make worksheet visible worksheet.state = 'visible'; // make worksheet hidden worksheet.state = 'hidden'; // make worksheet hidden from 'hide/unhide' dialog worksheet.state = 'veryHidden'; ``` ## Worksheet Properties[⬆](#contents) Worksheets support a property bucket to allow control over some features of the worksheet. ```javascript // create new sheet with properties const worksheet = workbook.addWorksheet('sheet', {properties:{tabColor:{argb:'FF00FF00'}}}); // create a new sheet writer with properties const worksheetWriter = workbookWriter.addWorksheet('sheet', {properties:{outlineLevelCol:1}}); // adjust properties afterwards (not supported by worksheet-writer) worksheet.properties.outlineLevelCol = 2; worksheet.properties.defaultRowHeight = 15; ``` **Supported Properties** | Name | Default | Description | | ---------------- | ---------- | ----------- | | tabColor | undefined | Color of the tabs | | outlineLevelCol | 0 | The worksheet column outline level | | outlineLevelRow | 0 | The worksheet row outline level | | defaultRowHeight | 15 | Default row height | | defaultColWidth | (optional) | Default column width | | dyDescent | 55 | TBD | ### Worksheet Metrics[⬆](#contents) Some new metrics have been added to Worksheet... | Name | Description | | ----------------- | ----------- | | rowCount | The total row size of the document. Equal to the row number of the last row that has values. | | actualRowCount | A count of the number of rows that have values. If a mid-document row is empty, it will not be included in the count. | | columnCount | The total column size of the document. Equal to the maximum cell count from all of the rows | | actualColumnCount | A count of the number of columns that have values. | ## Page Setup[⬆](#contents) All properties that can affect the printing of a sheet are held in a pageSetup object on the sheet. ```javascript // create new sheet with pageSetup settings for A4 - landscape const worksheet = workbook.addWorksheet('sheet', { pageSetup:{paperSize: 9, orientation:'landscape'} }); // create a new sheet writer with pageSetup settings for fit-to-page const worksheetWriter = workbookWriter.addWorksheet('sheet', { pageSetup:{fitToPage: true, fitToHeight: 5, fitToWidth: 7} }); // adjust pageSetup settings afterwards worksheet.pageSetup.margins = { left: 0.7, right: 0.7, top: 0.75, bottom: 0.75, header: 0.3, footer: 0.3 }; // Set Print Area for a sheet worksheet.pageSetup.printArea = 'A1:G20'; // Set multiple Print Areas by separating print areas with '&&' worksheet.pageSetup.printArea = 'A1:G10&&A11:G20'; // Repeat specific rows on every printed page worksheet.pageSetup.printTitlesRow = '1:3'; // Repeat specific columns on every printed page worksheet.pageSetup.printTitlesColumn = 'A:C'; ``` **Supported pageSetup settings** | Name | Default | Description | | --------------------- | ------------- | ----------- | | margins | | Whitespace on the borders of the page. Units are inches. | | orientation | 'portrait' | Orientation of the page - i.e. taller (portrait) or wider (landscape) | | horizontalDpi | 4294967295 | Horizontal Dots per Inch. Default value is -1 | | verticalDpi | 4294967295 | Vertical Dots per Inch. Default value is -1 | | fitToPage | | Whether to use fitToWidth and fitToHeight or scale settings. Default is based on presence of these settings in the pageSetup object - if both are present, scale wins (i.e. default will be false) | | pageOrder | 'downThenOver'| Which order to print the pages - one of ['downThenOver', 'overThenDown'] | | blackAndWhite | false | Print without colour | | draft | false | Print with less quality (and ink) | | cellComments | 'None' | Where to place comments - one of ['atEnd', 'asDisplayed', 'None'] | | errors | 'displayed' | Where to show errors - one of ['dash', 'blank', 'NA', 'displayed'] | | scale | 100 | Percentage value to increase or reduce the size of the print. Active when fitToPage is false | | fitToWidth | 1 | How many pages wide the sheet should print on to. Active when fitToPage is true | | fitToHeight | 1 | How many pages high the sheet should print on to. Active when fitToPage is true | | paperSize | | What paper size to use (see below) | | showRowColHeaders | false | Whether to show the row numbers and column letters | | showGridLines | false | Whether to show grid lines | | firstPageNumber | | Which number to use for the first page | | horizontalCentered | false | Whether to center the sheet data horizontally | | verticalCentered | false | Whether to center the sheet data vertically | **Example Paper Sizes** | Name | Value | | ----------------------------- | --------- | | Letter | undefined | | Legal | 5 | | Executive | 7 | | A3 | 8 | | A4 | 9 | | A5 | 11 | | B5 (JIS) | 13 | | Envelope #10 | 20 | | Envelope DL | 27 | | Envelope C5 | 28 | | Envelope B5 | 34 | | Envelope Monarch | 37 | | Double Japan Postcard Rotated | 82 | | 16K 197x273 mm | 119 | ## Headers and Footers[⬆](#contents) Here's how to add headers and footers. The added content is mainly text, such as time, introduction, file information, etc., and you can set the style of the text. In addition, you can set different texts for the first page and even page. Note: Images are not currently supported. ```javascript // Create worksheets with headers and footers var sheet = workbook.addWorksheet('sheet', { headerFooter:{firstHeader: "Hello Exceljs", firstFooter: "Hello World"} }); // Create worksheets with headers and footers var worksheetWriter = workbookWriter.addWorksheet('sheet', { headerFooter:{firstHeader: "Hello Exceljs", firstFooter: "Hello World"} }); // Set footer (default centered), result: "Page 2 of 16" worksheet.headerFooter.oddFooter = "Page &P of &N"; // Set the footer (default centered) to bold, resulting in: "Page 2 of 16" worksheet.headerFooter.oddFooter = "Page &P of &N"; // Set the left footer to 18px and italicize. Result: "Page 2 of 16" worksheet.headerFooter.oddFooter = "&LPage &P of &N"; // Set the middle header to gray Aril, the result: "52 exceljs" worksheet.headerFooter.oddHeader = "&C&KCCCCCC&\"Aril\"52 exceljs"; // Set the left, center, and right text of the footer. Result: “Exceljs” in the footer left. “demo.xlsx” in the footer center. “Page 2” in the footer right worksheet.headerFooter.oddFooter = "&Lexceljs&C&F&RPage &P"; // Add different header & footer for the first page worksheet.headerFooter.differentFirst = true; worksheet.headerFooter.firstHeader = "Hello Exceljs"; worksheet.headerFooter.firstFooter = "Hello World" ``` **Supported headerFooter settings** | Name | Default | Description | | ----------------- | --------- | ----------- | | differentFirst | false | Set the value of differentFirst as true, which indicates that headers/footers for first page are different from the other pages | | differentOddEven | false | Set the value of differentOddEven as true, which indicates that headers/footers for odd and even pages are different | | oddHeader | null | Set header string for odd(default) pages, could format the string | | oddFooter | null | Set footer string for odd(default) pages, could format the string | | evenHeader | null | Set header string for even pages, could format the string | | evenFooter | null | Set footer string for even pages, could format the string | | firstHeader | null | Set header string for the first page, could format the string | | firstFooter | null | Set footer string for the first page, could format the string | **Script Commands** | Commands | Description | | ------------ | ----------- | | &L | Set position to the left | | &C | Set position to the center | | &R | Set position to the right | | &P | The current page number | | &N | The total number of pages | | &D | The current date | | &T | The current time | | &G | A picture | | &A | The worksheet name | | &F | The file name | | &B | Make text bold | | &I | Italicize text | | &U | Underline text | | &"font name" | font name, for example &"Aril" | | &font size | font size, for example 12 | | &KHEXCode | font color, for example &KCCCCCC | ## Worksheet Views[⬆](#contents) Worksheets now support a list of views, that control how Excel presents the sheet: * frozen - where a number of rows and columns to the top and left are frozen in place. Only the bottom right section will scroll * split - where the view is split into 4 sections, each semi-independently scrollable. Each view also supports various properties: | Name | Default | Description | | ----------------- | --------- | ----------- | | state | 'normal' | Controls the view state - one of normal, frozen or split | | rightToLeft | false | Sets the worksheet view's orientation to right-to-left | | activeCell | undefined | The currently selected cell | | showRuler | true | Shows or hides the ruler in Page Layout | | showRowColHeaders | true | Shows or hides the row and column headers (e.g. A1, B1 at the top and 1,2,3 on the left | | showGridLines | true | Shows or hides the gridlines (shown for cells where borders have not been defined) | | zoomScale | 100 | Percentage zoom to use for the view | | zoomScaleNormal | 100 | Normal zoom for the view | | style | undefined | Presentation style - one of pageBreakPreview or pageLayout. Note pageLayout is not compatible with frozen views | ### Frozen Views[⬆](#contents) Frozen views support the following extra properties: | Name | Default | Description | | ----------------- | --------- | ----------- | | xSplit | 0 | How many columns to freeze. To freeze rows only, set this to 0 or undefined | | ySplit | 0 | How many rows to freeze. To freeze columns only, set this to 0 or undefined | | topLeftCell | special | Which cell will be top-left in the bottom-right pane. Note: cannot be a frozen cell. Defaults to first unfrozen cell | ```javascript worksheet.views = [ {state: 'frozen', xSplit: 2, ySplit: 3, topLeftCell: 'G10', activeCell: 'A1'} ]; ``` ### Split Views[⬆](#contents) Split views support the following extra properties: | Name | Default | Description | | ----------------- | --------- | ----------- | | xSplit | 0 | How many points from the left to place the splitter. To split vertically, set this to 0 or undefined | | ySplit | 0 | How many points from the top to place the splitter. To split horizontally, set this to 0 or undefined | | topLeftCell | undefined | Which cell will be top-left in the bottom-right pane. | | activePane | undefined | Which pane will be active - one of topLeft, topRight, bottomLeft and bottomRight | ```javascript worksheet.views = [ {state: 'split', xSplit: 2000, ySplit: 3000, topLeftCell: 'G10', activeCell: 'A1'} ]; ``` ## Auto filters[⬆](#contents) It is possible to apply an auto filter to your worksheet. ```javascript worksheet.autoFilter = 'A1:C1'; ``` While the range string is the standard form of the autoFilter, the worksheet will also support the following values: ```javascript // Set an auto filter from A1 to C1 worksheet.autoFilter = { from: 'A1', to: 'C1', } // Set an auto filter from the cell in row 3 and column 1 // to the cell in row 5 and column 12 worksheet.autoFilter = { from: { row: 3, column: 1 }, to: { row: 5, column: 12 } } // Set an auto filter from D3 to the // cell in row 7 and column 5 worksheet.autoFilter = { from: 'D3', to: { row: 7, column: 5 } } ``` ## Columns[⬆](#contents) ```javascript // Add column headers and define column keys and widths // Note: these column structures are a workbook-building convenience only, // apart from the column width, they will not be fully persisted. worksheet.columns = [ { header: 'Id', key: 'id', width: 10 }, { header: 'Name', key: 'name', width: 32 }, { header: 'D.O.B.', key: 'DOB', width: 10, outlineLevel: 1 } ]; // Access an individual columns by key, letter and 1-based column number const idCol = worksheet.getColumn('id'); const nameCol = worksheet.getColumn('B'); const dobCol = worksheet.getColumn(3); // set column properties // Note: will overwrite cell value C1 dobCol.header = 'Date of Birth'; // Note: this will overwrite cell values C1:C2 dobCol.header = ['Date of Birth', 'A.K.A. D.O.B.']; // from this point on, this column will be indexed by 'dob' and not 'DOB' dobCol.key = 'dob'; dobCol.width = 15; // Hide the column if you'd like dobCol.hidden = true; // set an outline level for columns worksheet.getColumn(4).outlineLevel = 0; worksheet.getColumn(5).outlineLevel = 1; // columns support a readonly field to indicate the collapsed state based on outlineLevel expect(worksheet.getColumn(4).collapsed).to.equal(false); expect(worksheet.getColumn(5).collapsed).to.equal(true); // iterate over all current cells in this column dobCol.eachCell(function(cell, rowNumber) { // ... }); // iterate over all current cells in this column including empty cells dobCol.eachCell({ includeEmpty: true }, function(cell, rowNumber) { // ... }); // add a column of new values worksheet.getColumn(6).values = [1,2,3,4,5]; // add a sparse column of values worksheet.getColumn(7).values = [,,2,3,,5,,7,,,,11]; // cut one or more columns (columns to the right are shifted left) // If column properties have been defined, they will be cut or moved accordingly // Known Issue: If a splice causes any merged cells to move, the results may be unpredictable worksheet.spliceColumns(3,2); // remove one column and insert two more. // Note: columns 4 and above will be shifted right by 1 column. // Also: If the worksheet has more rows than values in the column inserts, // the rows will still be shifted as if the values existed const newCol3Values = [1,2,3,4,5]; const newCol4Values = ['one', 'two', 'three', 'four', 'five']; worksheet.spliceColumns(3, 1, newCol3Values, newCol4Values); ``` ## Rows[⬆](#contents) ```javascript // Get a row object. If it doesn't already exist, a new empty one will be returned const row = worksheet.getRow(5); // Get multiple row objects. If it doesn't already exist, new empty ones will be returned const rows = worksheet.getRows(5, 2); // start, length (>0, else undefined is returned) // Get the last editable row in a worksheet (or undefined if there are none) const row = worksheet.lastRow; // Set a specific row height row.height = 42.5; // make row hidden row.hidden = true; // set an outline level for rows worksheet.getRow(4).outlineLevel = 0; worksheet.getRow(5).outlineLevel = 1; // rows support a readonly field to indicate the collapsed state based on outlineLevel expect(worksheet.getRow(4).collapsed).to.equal(false); expect(worksheet.getRow(5).collapsed).to.equal(true); row.getCell(1).value = 5; // A5's value set to 5 row.getCell('name').value = 'Zeb'; // B5's value set to 'Zeb' - assuming column 2 is still keyed by name row.getCell('C').value = new Date(); // C5's value set to now // Get a row as a sparse array // Note: interface change: worksheet.getRow(4) ==> worksheet.getRow(4).values row = worksheet.getRow(4).values; expect(row[5]).toEqual('Kyle'); // assign row values by contiguous array (where array element 0 has a value) row.values = [1,2,3]; expect(row.getCell(1).value).toEqual(1); expect(row.getCell(2).value).toEqual(2); expect(row.getCell(3).value).toEqual(3); // assign row values by sparse array (where array element 0 is undefined) const values = [] values[5] = 7; values[10] = 'Hello, World!'; row.values = values; expect(row.getCell(1).value).toBeNull(); expect(row.getCell(5).value).toEqual(7); expect(row.getCell(10).value).toEqual('Hello, World!'); // assign row values by object, using column keys row.values = { id: 13, name: 'Thing 1', dob: new Date() }; // Insert a page break below the row row.addPageBreak(); // Iterate over all rows that have values in a worksheet worksheet.eachRow(function(row, rowNumber) { console.log('Row ' + rowNumber + ' = ' + JSON.stringify(row.values)); }); // Iterate over all rows (including empty rows) in a worksheet worksheet.eachRow({ includeEmpty: true }, function(row, rowNumber) { console.log('Row ' + rowNumber + ' = ' + JSON.stringify(row.values)); }); // Iterate over all non-null cells in a row row.eachCell(function(cell, colNumber) { console.log('Cell ' + colNumber + ' = ' + cell.value); }); // Iterate over all cells in a row (including empty cells) row.eachCell({ includeEmpty: true }, function(cell, colNumber) { console.log('Cell ' + colNumber + ' = ' + cell.value); }); // Commit a completed row to stream row.commit(); // row metrics const rowSize = row.cellCount; const numValues = row.actualCellCount; ``` ## Add Rows[⬆](#contents) ```javascript // Add a couple of Rows by key-value, after the last current row, using the column keys worksheet.addRow({id: 1, name: 'John Doe', dob: new Date(1970,1,1)}); worksheet.addRow({id: 2, name: 'Jane Doe', dob: new Date(1965,1,7)}); // Add a row by contiguous Array (assign to columns A, B & C) worksheet.addRow([3, 'Sam', new Date()]); // Add a row by sparse Array (assign to columns A, E & I) const rowValues = []; rowValues[1] = 4; rowValues[5] = 'Kyle'; rowValues[9] = new Date(); worksheet.addRow(rowValues); // Add a row with inherited style // This new row will have same style as last row // And return as row object const newRow = worksheet.addRow(rowValues, 'i'); // Add an array of rows const rows = [ [5,'Bob',new Date()], // row by array {id:6, name: 'Barbara', dob: new Date()} ]; // add new rows and return them as array of row objects const newRows = worksheet.addRows(rows); // Add an array of rows with inherited style // These new rows will have same styles as last row // and return them as array of row objects const newRowsStyled = worksheet.addRows(rows, 'i'); ``` | Parameter | Description | Default Value | | -------------- | ----------------- | -------- | | value/s | The new row/s values | | | style | 'i' for inherit from row above, 'i+' to include empty cells, 'n' for none | *'n'* | ## Handling Individual Cells[⬆](#contents) ```javascript const cell = worksheet.getCell('C3'); // Modify/Add individual cell cell.value = new Date(1968, 5, 1); // query a cell's type expect(cell.type).toEqual(Excel.ValueType.Date); // use string value of cell myInput.value = cell.text; // use html-safe string for rendering... const html = '

' + cell.html + '

'; ``` ## Merged Cells[⬆](#contents) ```javascript // merge a range of cells worksheet.mergeCells('A4:B5'); // ... merged cells are linked worksheet.getCell('B5').value = 'Hello, World!'; expect(worksheet.getCell('B5').value).toBe(worksheet.getCell('A4').value); expect(worksheet.getCell('B5').master).toBe(worksheet.getCell('A4')); // ... merged cells share the same style object expect(worksheet.getCell('B5').style).toBe(worksheet.getCell('A4').style); worksheet.getCell('B5').style.font = myFonts.arial; expect(worksheet.getCell('A4').style.font).toBe(myFonts.arial); // unmerging the cells breaks the style links worksheet.unMergeCells('A4'); expect(worksheet.getCell('B5').style).not.toBe(worksheet.getCell('A4').style); expect(worksheet.getCell('B5').style.font).not.toBe(myFonts.arial); // merge by top-left, bottom-right worksheet.mergeCells('K10', 'M12'); // merge by start row, start column, end row, end column (equivalent to K10:M12) worksheet.mergeCells(10,11,12,13); ``` ## Insert Rows[⬆](#contents) ```javascript insertRow(pos, value, style = 'n') insertRows(pos, values, style = 'n') // Insert a couple of Rows by key-value, shifting down rows every time worksheet.insertRow(1, {id: 1, name: 'John Doe', dob: new Date(1970,1,1)}); worksheet.insertRow(1, {id: 2, name: 'Jane Doe', dob: new Date(1965,1,7)}); // Insert a row by contiguous Array (assign to columns A, B & C) worksheet.insertRow(1, [3, 'Sam', new Date()]); // Insert a row by sparse Array (assign to columns A, E & I) var rowValues = []; rowValues[1] = 4; rowValues[5] = 'Kyle'; rowValues[9] = new Date(); // insert new row and return as row object const insertedRow = worksheet.insertRow(1, rowValues); // Insert a row, with inherited style // This new row will have same style as row on top of it // And return as row object const insertedRowInherited = worksheet.insertRow(1, rowValues, 'i'); // Insert a row, keeping original style // This new row will have same style as it was previously // And return as row object const insertedRowOriginal = worksheet.insertRow(1, rowValues, 'o'); // Insert an array of rows, in position 1, shifting down current position 1 and later rows by 2 rows var rows = [ [5,'Bob',new Date()], // row by array {id:6, name: 'Barbara', dob: new Date()} ]; // insert new rows and return them as array of row objects const insertedRows = worksheet.insertRows(1, rows); // Insert an array of rows, with inherited style // These new rows will have same style as row on top of it // And return them as array of row objects const insertedRowsInherited = worksheet.insertRows(1, rows, 'i'); // Insert an array of rows, keeping original style // These new rows will have same style as it was previously in 'pos' position const insertedRowsOriginal = worksheet.insertRows(1, rows, 'o'); ``` | Parameter | Description | Default Value | | -------------- | ----------------- | -------- | | pos | Row number where you want to insert, pushing down all rows from there | | | value/s | The new row/s values | | | style | 'i' for inherit from row above, , 'i+' to include empty cells, 'o' for original style, 'o+' to include empty cells, 'n' for none | *'n'* | ## Splice[⬆](#contents) ```javascript // Cut one or more rows (rows below are shifted up) // Known Issue: If a splice causes any merged cells to move, the results may be unpredictable worksheet.spliceRows(4, 3); // remove one row and insert two more. // Note: rows 4 and below will be shifted down by 1 row. const newRow3Values = [1, 2, 3, 4, 5]; const newRow4Values = ['one', 'two', 'three', 'four', 'five']; worksheet.spliceRows(3, 1, newRow3Values, newRow4Values); // Cut one or more cells (cells to the right are shifted left) // Note: this operation will not affect other rows row.splice(3, 2); // remove one cell and insert two more (cells to the right of the cut cell will be shifted right) row.splice(4, 1, 'new value 1', 'new value 2'); ``` | Parameter | Description | Default Value | | -------------- | ----------------- | -------- | | start | Starting point to splice from | | | count | Number of rows/cells to remove | | | ...inserts | New row/cell values to insert | | ## Duplicate a Row[⬆](#contents) ```javascript duplicateRow(start, amount = 1, insert = true) const wb = new ExcelJS.Workbook(); const ws = wb.addWorksheet('duplicateTest'); ws.getCell('A1').value = 'One'; ws.getCell('A2').value = 'Two'; ws.getCell('A3').value = 'Three'; ws.getCell('A4').value = 'Four'; // This line will duplicate the row 'One' twice but it will replace rows 'Two' and 'Three' // if third param was true so it would insert 2 new rows with the values and styles of row 'One' ws.duplicateRow(1,2,false); ``` | Parameter | Description | Default Value | | -------------- | ----------------- | -------- | | start | Row number you want to duplicate (first in excel is 1) | | | amount | The times you want to duplicate the row | 1 | | insert | *true* if you want to insert new rows for the duplicates, or *false* if you want to replace them | *true* | ## Defined Names[⬆](#contents) Individual cells (or multiple groups of cells) can have names assigned to them. The names can be used in formulas and data validation (and probably more). ```javascript // assign (or get) a name for a cell (will overwrite any other names that cell had) worksheet.getCell('A1').name = 'PI'; expect(worksheet.getCell('A1').name).to.equal('PI'); // assign (or get) an array of names for a cell (cells can have more than one name) worksheet.getCell('A1').names = ['thing1', 'thing2']; expect(worksheet.getCell('A1').names).to.have.members(['thing1', 'thing2']); // remove a name from a cell worksheet.getCell('A1').removeName('thing1'); expect(worksheet.getCell('A1').names).to.have.members(['thing2']); ``` ## Data Validations[⬆](#contents) Cells can define what values are valid or not and provide prompting to the user to help guide them. Validation types can be one of the following: | Type | Description | | ---------- | ----------- | | list | Define a discrete set of valid values. Excel will offer these in a dropdown for easy entry | | whole | The value must be a whole number | | decimal | The value must be a decimal number | | textLength | The value may be text but the length is controlled | | custom | A custom formula controls the valid values | For types other than list or custom, the following operators affect the validation: | Operator | Description | | -------------------- | ----------- | | between | Values must lie between formula results | | notBetween | Values must not lie between formula results | | equal | Value must equal formula result | | notEqual | Value must not equal formula result | | greaterThan | Value must be greater than formula result | | lessThan | Value must be less than formula result | | greaterThanOrEqual | Value must be greater than or equal to formula result | | lessThanOrEqual | Value must be less than or equal to formula result | ```javascript // Specify list of valid values (One, Two, Three, Four). // Excel will provide a dropdown with these values. worksheet.getCell('A1').dataValidation = { type: 'list', allowBlank: true, formulae: ['"One,Two,Three,Four"'] }; // Specify list of valid values from a range. // Excel will provide a dropdown with these values. worksheet.getCell('A1').dataValidation = { type: 'list', allowBlank: true, formulae: ['$D$5:$F$5'] }; // Specify Cell must be a whole number that is not 5. // Show the user an appropriate error message if they get it wrong worksheet.getCell('A1').dataValidation = { type: 'whole', operator: 'notEqual', showErrorMessage: true, formulae: [5], errorStyle: 'error', errorTitle: 'Five', error: 'The value must not be Five' }; // Specify Cell must be a decimal number between 1.5 and 7. // Add 'tooltip' to help guid the user worksheet.getCell('A1').dataValidation = { type: 'decimal', operator: 'between', allowBlank: true, showInputMessage: true, formulae: [1.5, 7], promptTitle: 'Decimal', prompt: 'The value must between 1.5 and 7' }; // Specify Cell must be have a text length less than 15 worksheet.getCell('A1').dataValidation = { type: 'textLength', operator: 'lessThan', showErrorMessage: true, allowBlank: true, formulae: [15] }; // Specify Cell must be have be a date before 1st Jan 2016 worksheet.getCell('A1').dataValidation = { type: 'date', operator: 'lessThan', showErrorMessage: true, allowBlank: true, formulae: [new Date(2016,0,1)] }; ``` ## Cell Comments[⬆](#contents) Add old style comment to a cell ```javascript // plain text note worksheet.getCell('A1').note = 'Hello, ExcelJS!'; // colourful formatted note ws.getCell('B1').note = { texts: [ {'font': {'size': 12, 'color': {'theme': 0}, 'name': 'Calibri', 'family': 2, 'scheme': 'minor'}, 'text': 'This is '}, {'font': {'italic': true, 'size': 12, 'color': {'theme': 0}, 'name': 'Calibri', 'scheme': 'minor'}, 'text': 'a'}, {'font': {'size': 12, 'color': {'theme': 1}, 'name': 'Calibri', 'family': 2, 'scheme': 'minor'}, 'text': ' '}, {'font': {'size': 12, 'color': {'argb': 'FFFF6600'}, 'name': 'Calibri', 'scheme': 'minor'}, 'text': 'colorful'}, {'font': {'size': 12, 'color': {'theme': 1}, 'name': 'Calibri', 'family': 2, 'scheme': 'minor'}, 'text': ' text '}, {'font': {'size': 12, 'color': {'argb': 'FFCCFFCC'}, 'name': 'Calibri', 'scheme': 'minor'}, 'text': 'with'}, {'font': {'size': 12, 'color': {'theme': 1}, 'name': 'Calibri', 'family': 2, 'scheme': 'minor'}, 'text': ' in-cell '}, {'font': {'bold': true, 'size': 12, 'color': {'theme': 1}, 'name': 'Calibri', 'family': 2, 'scheme': 'minor'}, 'text': 'format'}, ], margins: { insetmode: 'custom', inset: [0.25, 0.25, 0.35, 0.35] }, protection: { locked: True, lockText: False }, editAs: 'twoCells', }; ``` ### Cell Comments Properties[⬆](#contents) The following table defines the properties supported by cell comments. | Field | Required | Default Value | Description | | -------- | -------- | ------------- | ----------- | | texts | Y | | The text of the comment | | margins | N | {} | Determines the value of margins for automatic or custom cell comments | protection | N | {} | Specifying the lock status of objects and object text using protection attributes | | editAs | N | 'absolute' | Use the 'editAs' attribute to specify how the annotation is anchored to the cell | ### Cell Comments Margins Determine the page margin setting mode of the cell annotation, automatic or custom mode. ```javascript ws.getCell('B1').note.margins = { insetmode: 'custom', inset: [0.25, 0.25, 0.35, 0.35] } ``` ### Supported Margins Properties[⬆](#contents) | Property | Required | Default Value | Description | | -------- | -------- | ------------- | ----------- | | insetmode | N | 'auto' | Determines whether comment margins are set automatically and the value is 'auto' or 'custom' | | inset | N | [0.13, 0.13, 0.25, 0.25] | Whitespace on the borders of the comment. Units are centimeter. Direction is left, top, right, bottom | Note: This ```inset``` setting takes effect only when the value of ```insetmode``` is 'custom'. ### Cell Comments Protection Specifying the lock status of objects and object text using protection attributes. ```javascript ws.getCell('B1').note.protection = { locked: 'False', lockText: 'False', }; ``` ### Supported Protection Properties[⬆](#contents) | Property | Required | Default Value | Description | | -------- | -------- | ------------- | ----------- | | locked | N | 'True' | This element specifies that the object is locked when the sheet is protected | | lockText | N | 'True' | This element specifies that the text of the object is locked | Note: Locked objects are valid only when the worksheet is protected. ### Cell Comments EditAs[⬆](#contents) The cell comments can also have the property 'editAs' which will control how the comments is anchored to the cell(s). It can have one of the following values: ```javascript ws.getCell('B1').note.editAs = 'twoCells'; ``` | Value | Description | | --------- | ----------- | | twoCells | It specifies that the size and position of the note varies with cells | | oneCells | It specifies that the size of the note is fixed and the position changes with the cell | | absolute | This is the default. Comments will not be moved or sized with cells | ## Tables[⬆](#contents) Tables allow for in-sheet manipulation of tabular data. To add a table to a worksheet, define a table model and call addTable: ```javascript // add a table to a sheet ws.addTable({ name: 'MyTable', ref: 'A1', headerRow: true, totalsRow: true, style: { theme: 'TableStyleDark3', showRowStripes: true, }, columns: [ {name: 'Date', totalsRowLabel: 'Totals:', filterButton: true}, {name: 'Amount', totalsRowFunction: 'sum', filterButton: false}, ], rows: [ [new Date('2019-07-20'), 70.10], [new Date('2019-07-21'), 70.60], [new Date('2019-07-22'), 70.10], ], }); ``` Note: Adding a table to a worksheet will modify the sheet by placing headers and row data to the sheet. Any data on the sheet covered by the resulting table (including headers and totals) will be overwritten. ### Table Properties[⬆](#contents) The following table defines the properties supported by tables. | Table Property | Description | Required | Default Value | | -------------- | ----------------- | -------- | ------------- | | name | The name of the table | Y | | | displayName | The display name of the table | N | name | | ref | Top left cell of the table | Y | | | headerRow | Show headers at top of table | N | true | | totalsRow | Show totals at bottom of table | N | false | | style | Extra style properties | N | {} | | columns | Column definitions | Y | | | rows | Rows of data | Y | | ### Table Style Properties[⬆](#contents) The following table defines the properties supported within the table style property. | Style Property | Description | Required | Default Value | | ------------------ | ----------------- | -------- | ------------- | | theme | The colour theme of the table | N | 'TableStyleMedium2' | | showFirstColumn | Highlight the first column (bold) | N | false | | showLastColumn | Highlight the last column (bold) | N | false | | showRowStripes | Alternate rows shown with background colour | N | false | | showColumnStripes | Alternate rows shown with background colour | N | false | ### Table Column Properties[⬆](#contents) The following table defines the properties supported within each table column. | Column Property | Description | Required | Default Value | | ------------------ | ----------------- | -------- | ------------- | | name | The name of the column, also used in the header | Y | | | filterButton | Switches the filter control in the header | N | false | | totalsRowLabel | Label to describe the totals row (first column) | N | 'Total' | | totalsRowFunction | Name of the totals function | N | 'none' | | totalsRowFormula | Optional formula for custom functions | N | | ### Totals Functions[⬆](#contents) The following table list the valid values for the totalsRowFunction property defined by columns. If any value other than 'custom' is used, it is not necessary to include the associated formula as this will be inserted by the table. | Totals Functions | Description | | ------------------ | ----------------- | | none | No totals function for this column | | average | Compute average for the column | | countNums | Count the entries that are numbers | | count | Count of entries | | max | The maximum value in this column | | min | The minimum value in this column | | stdDev | The standard deviation for this column | | var | The variance for this column | | sum | The sum of entries for this column | | custom | A custom formula. Requires an associated totalsRowFormula value. | ### Table Style Themes[⬆](#contents) Valid theme names follow the following pattern: * "TableStyle[Shade][Number]" Shades, Numbers can be one of: * Light, 1-21 * Medium, 1-28 * Dark, 1-11 For no theme, use the value null. Note: custom table themes are not supported by exceljs yet. ### Modifying Tables[⬆](#contents) Tables support a set of manipulation functions that allow data to be added or removed and some properties to be changed. Since many of these operations may have on-sheet effects, the changes must be committed once complete. All index values in the table are zero based, so the first row number and first column number is 0. **Adding or Removing Headers and Totals** ```javascript const table = ws.getTable('MyTable'); // turn header row on table.headerRow = true; // turn totals row off table.totalsRow = false; // commit the table changes into the sheet table.commit(); ``` **Relocating a Table** ```javascript const table = ws.getTable('MyTable'); // table top-left move to D4 table.ref = 'D4'; // commit the table changes into the sheet table.commit(); ``` **Adding and Removing Rows** ```javascript const table = ws.getTable('MyTable'); // remove first two rows table.removeRows(0, 2); // insert new rows at index 5 table.addRow([new Date('2019-08-05'), 5, 'Mid'], 5); // append new row to bottom of table table.addRow([new Date('2019-08-10'), 10, 'End']); // commit the table changes into the sheet table.commit(); ``` **Adding and Removing Columns** ```javascript const table = ws.getTable('MyTable'); // remove second column table.removeColumns(1, 1); // insert new column (with data) at index 1 table.addColumn( {name: 'Letter', totalsRowFunction: 'custom', totalsRowFormula: 'ROW()', totalsRowResult: 6, filterButton: true}, ['a', 'b', 'c', 'd'], 2 ); // commit the table changes into the sheet table.commit(); ``` **Change Column Properties** ```javascript const table = ws.getTable('MyTable'); // Get Column Wrapper for second column const column = table.getColumn(1); // set some properties column.name = 'Code'; column.filterButton = true; column.style = {font:{bold: true, name: 'Comic Sans MS'}}; column.totalsRowLabel = 'Totals'; column.totalsRowFunction = 'custom'; column.totalsRowFormula = 'ROW()'; column.totalsRowResult = 10; // commit the table changes into the sheet table.commit(); ``` ## Styles[⬆](#contents) Cells, Rows and Columns each support a rich set of styles and formats that affect how the cells are displayed. Styles are set by assigning the following properties: * numFmt * font * alignment * border * fill ```javascript // assign a style to a cell ws.getCell('A1').numFmt = '0.00%'; // Apply styles to worksheet columns ws.columns = [ { header: 'Id', key: 'id', width: 10 }, { header: 'Name', key: 'name', width: 32, style: { font: { name: 'Arial Black' } } }, { header: 'D.O.B.', key: 'DOB', width: 10, style: { numFmt: 'dd/mm/yyyy' } } ]; // Set Column 3 to Currency Format ws.getColumn(3).numFmt = '"£"#,##0.00;[Red]\-"£"#,##0.00'; // Set Row 2 to Comic Sans. ws.getRow(2).font = { name: 'Comic Sans MS', family: 4, size: 16, underline: 'double', bold: true }; ``` When a style is applied to a row or column, it will be applied to all currently existing cells in that row or column. Also, any new cell that is created will inherit its initial styles from the row and column it belongs to. If a cell's row and column both define a specific style (e.g. font), the cell will use the row style over the column style. However if the row and column define different styles (e.g. column.numFmt and row.font), the cell will inherit the font from the row and the numFmt from the column. Caveat: All the above properties (with the exception of numFmt, which is a string), are JS object structures. If the same style object is assigned to more than one spreadsheet entity, then each entity will share the same style object. If the style object is later modified before the spreadsheet is serialized, then all entities referencing that style object will be modified too. This behaviour is intended to prioritize performance by reducing the number of JS objects created. If you want the style objects to be independent, you will need to clone them before assigning them. Also, by default, when a document is read from file (or stream) if spreadsheet entities share similar styles, then they will reference the same style object too. ### Number Formats[⬆](#contents) ```javascript // display value as '1 3/5' ws.getCell('A1').value = 1.6; ws.getCell('A1').numFmt = '# ?/?'; // display value as '1.60%' ws.getCell('B1').value = 0.016; ws.getCell('B1').numFmt = '0.00%'; ``` ### Fonts[⬆](#contents) ```javascript // for the wannabe graphic designers out there ws.getCell('A1').font = { name: 'Comic Sans MS', family: 4, size: 16, underline: true, bold: true }; // for the graduate graphic designers... ws.getCell('A2').font = { name: 'Arial Black', color: { argb: 'FF00FF00' }, family: 2, size: 14, italic: true }; // for the vertical align ws.getCell('A3').font = { vertAlign: 'superscript' }; // note: the cell will store a reference to the font object assigned. // If the font object is changed afterwards, the cell font will change also... const font = { name: 'Arial', size: 12 }; ws.getCell('A3').font = font; font.size = 20; // Cell A3 now has font size 20! // Cells that share similar fonts may reference the same font object after // the workbook is read from file or stream ``` | Font Property | Description | Example Value(s) | | ------------- | ----------------- | ---------------- | | name | Font name. | 'Arial', 'Calibri', etc. | | family | Font family for fallback. An integer value. | 1 - Serif, 2 - Sans Serif, 3 - Mono, Others - unknown | | scheme | Font scheme. | 'minor', 'major', 'none' | | charset | Font charset. An integer value. | 1, 2, etc. | | size | Font size. An integer value. | 9, 10, 12, 16, etc. | | color | Colour description, an object containing an ARGB value. | { argb: 'FFFF0000'} | | bold | Font **weight** | true, false | | italic | Font *slope* | true, false | | underline | Font underline style | true, false, 'none', 'single', 'double', 'singleAccounting', 'doubleAccounting' | | strike | Font ~~strikethrough~~ | true, false | | outline | Font outline | true, false | | vertAlign | Vertical align | 'superscript', 'subscript' ### Alignment[⬆](#contents) ```javascript // set cell alignment to top-left, middle-center, bottom-right ws.getCell('A1').alignment = { vertical: 'top', horizontal: 'left' }; ws.getCell('B1').alignment = { vertical: 'middle', horizontal: 'center' }; ws.getCell('C1').alignment = { vertical: 'bottom', horizontal: 'right' }; // set cell to wrap-text ws.getCell('D1').alignment = { wrapText: true }; // set cell indent to 1 ws.getCell('E1').alignment = { indent: 1 }; // set cell text rotation to 30deg upwards, 45deg downwards and vertical text ws.getCell('F1').alignment = { textRotation: 30 }; ws.getCell('G1').alignment = { textRotation: -45 }; ws.getCell('H1').alignment = { textRotation: 'vertical' }; ``` **Valid Alignment Property Values** | horizontal | vertical | wrapText | shrinkToFit | indent | readingOrder | textRotation | | ---------------- | ----------- | -------- | ----------- | ------- | ------------ | ------------ | | left | top | true | true | integer | rtl | 0 to 90 | | center | middle | false | false | | ltr | -1 to -90 | | right | bottom | | | | | vertical | | fill | distributed | | | | | | | justify | justify | | | | | | | centerContinuous | | | | | | | | distributed | | | | | | | ### Borders[⬆](#contents) ```javascript // set single thin border around A1 ws.getCell('A1').border = { top: {style:'thin'}, left: {style:'thin'}, bottom: {style:'thin'}, right: {style:'thin'} }; // set double thin green border around A3 ws.getCell('A3').border = { top: {style:'double', color: {argb:'FF00FF00'}}, left: {style:'double', color: {argb:'FF00FF00'}}, bottom: {style:'double', color: {argb:'FF00FF00'}}, right: {style:'double', color: {argb:'FF00FF00'}} }; // set thick red cross in A5 ws.getCell('A5').border = { diagonal: {up: true, down: true, style:'thick', color: {argb:'FFFF0000'}} }; ``` **Valid Border Styles** * thin * dotted * dashDot * hair * dashDotDot * slantDashDot * mediumDashed * mediumDashDotDot * mediumDashDot * medium * double * thick ### Fills[⬆](#contents) ```javascript // fill A1 with red darkVertical stripes ws.getCell('A1').fill = { type: 'pattern', pattern:'darkVertical', fgColor:{argb:'FFFF0000'} }; // fill A2 with yellow dark trellis and blue behind ws.getCell('A2').fill = { type: 'pattern', pattern:'darkTrellis', fgColor:{argb:'FFFFFF00'}, bgColor:{argb:'FF0000FF'} }; // fill A3 with solid coral ws.getCell('A3').fill = { type: 'pattern', pattern:'solid', fgColor:{argb:'F08080'}, }; // fill A4 with blue-white-blue gradient from left to right ws.getCell('A4').fill = { type: 'gradient', gradient: 'angle', degree: 0, stops: [ {position:0, color:{argb:'FF0000FF'}}, {position:0.5, color:{argb:'FFFFFFFF'}}, {position:1, color:{argb:'FF0000FF'}} ] }; // fill A5 with red-green gradient from center ws.getCell('A5').fill = { t

	Stars	Issues	Version	Updated	Created
excel	267	22	1.0.1	5 years ago	12 years ago
excel4node	127	33	1.8.2	a year ago	10 years ago
exceljs	13,586	659	4.4.0	a year ago	10 years ago

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