Pure-JS reader/writer for Office Open XML documents (.docx, .xlsx, .pptx). See the package README for the high-level pitch.

Guides

Guide Topic
Getting started Install, the three core formats, ModuleRuntime registration, the .use() hook
Read+write docx Walking paragraphs / runs / tables, docx-large and docx-full end-to-end
Read+write xlsx Cells, sheet config, pivot tables, form controls
Read+write pptx Slides, layouts, animations, transitions, advanced shapes
Extending Write your own extra/ module: hooks + .use() + tests
Coverage Coverage tiers + running extras opt-in
OPC overview The OPC container model

API reference

Top-level: see the API index. Per sub-domain:

Core module index

The modules registered in modules[] (src/main.js), topologically ordered.

Module Source Role
ooxmlErrors src/errors.js Typed error hierarchy (OoxmlError, ParseError, RenderError, ContractError).
ooxmlShared src/_shared/index.js Namespaces, relationship types, content-types, EMU helpers.
ooxmlMath src/math/math.js OMML — <m:oMath> + builders.
markupCompatibility src/mc/markupCompatibility.js mc:AlternateContent / Ignorable / ProcessContent.
opcContentTypes src/opc/contentTypes.js [Content_Types].xml.
opcRelationships src/opc/relationships.js *.rels.
opcPackage src/opc/package.js OPC container (ZIP + content-types + rels).
drawingml src/drawingml/drawingml.js Shared DrawingML — typed text bodies + EMU helpers.
drawingmlChart src/drawingml/chart.js <c:chartSpace>.
drawingmlShape src/drawingml/shape.js Preset shape properties.
docxProperties src/docx/properties.js rPr / pPr bags.
docxDrawing src/docx/drawing.js <w:drawing> + media.
docxStructure src/docx/structure.js runs / paragraphs / tables / sections.
docxStyles src/docx/styles.js word/styles.xml.
docxNumbering src/docx/numbering.js word/numbering.xml.
docxSettings src/docx/settings.js word/settings.xml.
docxComments src/docx/comments.js word/comments.xml.
docxFootnotes src/docx/footnotes.js footnotes / endnotes.
docxHeaders src/docx/headers.js headers / footers.
docxCustomXml src/docx/customXml.js customXml / SDT binding.
docxWalker src/docx/docx-walker.js .use() extension dispatch for docx.
docxText src/docx/docx-text.js Flat text extraction helpers (toText).
docx src/docx/docx.js docx orchestrator.
xlsxStyles src/xlsx/styles.js xl/styles.xml.
xlsxTables src/xlsx/tables.js xl/tables/.
xlsxConditionalFormatting src/xlsx/conditionalFormatting.js CF rules.
xlsxComments src/xlsx/comments.js comments + VML legacy.
xlsxThreadedComments src/xlsx/threadedComments.js Office 2018+ threaded comments.
xlsxDrawings src/xlsx/drawings.js charts + anchored images.
xlsxWalker src/xlsx/xlsx-walker.js .use() extension dispatch for xlsx.
xlsx src/xlsx/xlsx.js xlsx orchestrator.
pptxTheme src/pptx/theme.js ppt/theme/.
pptxPicture src/pptx/picture.js slide pictures.
pptxTable src/pptx/table.js slide tables.
pptxChart src/pptx/chart.js slide chart wrapper.
pptxSlide src/pptx/slide.js slides / layouts / masters.
pptxWalker src/pptx/pptx-walker.js .use() extension dispatch for pptx.
pptx src/pptx/pptx.js pptx orchestrator.

Project documents

See also