Low-level (XML / ZIP / schema / packaging)

function parseQName(name: string): { local: string; ns: string }

function qname(namespace: string | undefined, local: string): string

const ACTIVEX_TYPE: "application/vnd.ms-office.activeX+xml"

const ARC_APP: "docProps/app.xml"

const ARC_CONTENT_TYPES: "[Content_Types].xml"

const ARC_CORE: "docProps/core.xml"

const ARC_CUSTOM: "docProps/custom.xml"

const ARC_CUSTOM_UI: "customUI/customUI.xml"

const ARC_ROOT_RELS: "_rels/.rels"

const ARC_SHARED_STRINGS: "xl/sharedStrings.xml"

const ARC_STYLE: "xl/styles.xml"

const ARC_THEME: "xl/theme/theme1.xml"

const ARC_WORKBOOK: "xl/workbook.xml"

const ARC_WORKBOOK_RELS: "xl/_rels/workbook.xml.rels"

const C14_NS: "http://schemas.microsoft.com/office/drawing/2010/chart"

const C15_NS: "http://schemas.microsoft.com/office/drawing/2012/chart"

const C16_NS: "http://schemas.microsoft.com/office/drawing/2017/03/chart"

const CHART_DRAWING_NS: "http://schemas.openxmlformats.org/drawingml/2006/chartDrawing"

const CHART_NS: "http://schemas.openxmlformats.org/drawingml/2006/chart"

const CHART_TYPE: "application/vnd.openxmlformats-officedocument.drawingml.chart+xml"

const CHARTSHAPE_TYPE: "application/vnd.openxmlformats-officedocument.drawingml.chartshapes+xml"

const CHARTSHEET_TYPE: string

const COMMENTS_NS: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/comments"

const COMMENTS_TYPE: string

const CONTYPES_NS: "http://schemas.openxmlformats.org/package/2006/content-types"

const COREPROPS_NS: "http://schemas.openxmlformats.org/package/2006/metadata/core-properties"

const CPROPS_FMTID: "{D5CDD505-2E9C-101B-9397-08002B2CF9AE}"

const CPROPS_TYPE: "application/vnd.openxmlformats-officedocument.custom-properties+xml"

const CTRLPROPS_TYPE: "application/vnd.ms-excel.controlproperties+xml"

const CUSTOMUI_NS: "http://schemas.microsoft.com/office/2006/relationships/ui/extensibility"

const CUSTPROPS_NS: "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties"

const CX_NS: "http://schemas.microsoft.com/office/drawing/2014/chartex"

const DCMITYPE_NS: "http://purl.org/dc/dcmitype/"

const DCORE_NS: "http://purl.org/dc/elements/1.1/"

const DCTERMS_NS: "http://purl.org/dc/terms/"

const DCTERMS_PREFIX: "dcterms"

const DEFAULT_PREFIXES: Readonly<Record<string, string>>

const DRAWING_NS: "http://schemas.openxmlformats.org/drawingml/2006/main"

const DRAWING_TYPE: "application/vnd.openxmlformats-officedocument.drawing+xml"

const EXTERNAL_LINK_NS: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/externalLink"

const EXTERNAL_LINK_TYPE: string

const IMAGE_NS: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image"

const MARKUP_COMPAT_NS: "http://schemas.openxmlformats.org/markup-compatibility/2006"

const PACKAGE_CHARTS: "xl/charts"

const PACKAGE_CHARTSHEETS: "xl/chartsheets"

const PACKAGE_CHARTSHEETS_RELS: "xl/chartsheets/_rels"

const PACKAGE_DRAWINGS: "xl/drawings"

const PACKAGE_IMAGES: "xl/media"

const PACKAGE_PIVOT_CACHE: "xl/pivotCache"

const PACKAGE_PIVOT_TABLE: "xl/pivotTables"

const PACKAGE_PROPS: "docProps"

const PACKAGE_RELS: "_rels"

const PACKAGE_THEME: "xl/theme"

const PACKAGE_WORKSHEET_RELS: "xl/worksheets/_rels"

const PACKAGE_WORKSHEETS: "xl/worksheets"

const PACKAGE_XL: "xl"

const PICTURE_NS: "http://schemas.openxmlformats.org/drawingml/2006/picture"

const PKG_REL_NS: "http://schemas.openxmlformats.org/package/2006/relationships"

const REL_NS: "http://schemas.openxmlformats.org/officeDocument/2006/relationships"

const SHARED_STRINGS_TYPE: string

const SHEET_DRAWING_NS: "http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing"

const SHEET_MAIN_NS: "http://schemas.openxmlformats.org/spreadsheetml/2006/main"

const STYLES_TYPE: string

const THEME_TYPE: "application/vnd.openxmlformats-officedocument.theme+xml"

const THREADED_COMMENTS_NS: "http://schemas.microsoft.com/office/spreadsheetml/2018/threadedcomments"

const VBA_TYPE: "application/vnd.ms-office.vbaProject"

const VML_NS: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing"

const VTYPES_NS: "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"

const WORKSHEET_TYPE: string

const X14_NS: "http://schemas.microsoft.com/office/spreadsheetml/2009/9/main"

const X15_NS: "http://schemas.microsoft.com/office/spreadsheetml/2010/11/main"

const X16_NS: "http://schemas.microsoft.com/office/spreadsheetml/2014/revision"

const XLSM_TYPE: string

const XLSX_TYPE: string

const XLTM_TYPE: string

const XLTX_TYPE: string

const XML_NS: "http://www.w3.org/XML/1998/namespace"

const XPROPS_NS: "http://schemas.openxmlformats.org/officeDocument/2006/extended-properties"

const XSI_NS: "http://www.w3.org/2001/XMLSchema-instance"

function appendCustomProperty(props: CustomProperties, name: string, value: XmlNode, opts?: { fmtid?: string; pid?: number }): CustomProperty

function customPropsFromBytes(bytes: string | Uint8Array<ArrayBufferLike>): CustomProperties

function customPropsToBytes(p: CustomProperties): Uint8Array

function findCustomPropertyByName(props: CustomProperties, name: string): CustomProperty | undefined

function getCustomPropertyValue(wb: Workbook, name: string): string | number | boolean | undefined

function listCustomProperties(wb: Workbook): readonly CustomProperty[]

function makeAsciiStringValue(s: string): XmlNode

function makeBoolValue(b: boolean): XmlNode

function makeCustomProperties(): CustomProperties

function makeDateValue(iso: string): XmlNode

function makeDoubleValue(n: number): XmlNode

function makeFiletimeValue(iso: string): XmlNode

function makeIntValue(n: number): XmlNode

function makeStringValue(s: string): XmlNode

function readBoolValue(v: XmlNode): boolean | undefined

function readDoubleValue(v: XmlNode): number | undefined

function readFiletimeValue(v: XmlNode): string | undefined

function readIntValue(v: XmlNode): number | undefined

function readStringValue(v: XmlNode): string | undefined

function removeCustomProperty(wb: Workbook, name: string): boolean

function setCustomBoolProperty(wb: Workbook, name: string, value: boolean): CustomProperty

function setCustomDateProperty(wb: Workbook, name: string, value: string | Date): CustomProperty

function setCustomNumberProperty(wb: Workbook, name: string, value: number): CustomProperty

function setCustomStringProperty(wb: Workbook, name: string, value: string): CustomProperty

function corePropsFromBytes(bytes: string | Uint8Array<ArrayBufferLike>): CoreProperties

function corePropsToBytes(p: CoreProperties): Uint8Array

function makeCoreProperties(): CoreProperties

function setWorkbookCategory(wb: Workbook, category: string): void

function setWorkbookCreator(wb: Workbook, creator: string): void

function setWorkbookDescription(wb: Workbook, description: string): void

function setWorkbookKeywords(wb: Workbook, keywords: string): void

function setWorkbookLastModifiedBy(wb: Workbook, name: string): void

function setWorkbookSubject(wb: Workbook, subject: string): void

function setWorkbookTitle(wb: Workbook, title: string): void

function extendedPropsFromBytes(bytes: string | Uint8Array<ArrayBufferLike>): ExtendedProperties

function extendedPropsToBytes(p: ExtendedProperties): Uint8Array

function makeExtendedProperties(): ExtendedProperties

function setWorkbookApplication(wb: Workbook, application: string): void

function setWorkbookAppVersion(wb: Workbook, version: string): void

function setWorkbookCompany(wb: Workbook, company: string): void

function setWorkbookHyperlinkBase(wb: Workbook, base: string): void

function setWorkbookManager(wb: Workbook, manager: string): void

function addDefault(m: Manifest, ext: string, contentType: string): void

function addOverride(m: Manifest, partName: string, contentType: string): void

function findOverride(m: Manifest, partName: string): OverrideEntry | undefined

function findOverrideByContentType(m: Manifest, contentType: string): OverrideEntry | undefined

function makeManifest(): Manifest

function manifestFromBytes(bytes: string | Uint8Array<ArrayBufferLike>): Manifest

function manifestToBytes(m: Manifest): Uint8Array

function appendRel(rels: Relationships, type: string, target: string, targetMode?: "External"): Relationship

function findAllByType(rels: Relationships, type: string): Relationship[]

function findById(rels: Relationships, id: string): Relationship | undefined

function findByType(rels: Relationships, type: string): Relationship | undefined

function makeRelationships(): Relationships

function relsFromBytes(bytes: string | Uint8Array<ArrayBufferLike>): Relationships

function relsToBytes(rels: Relationships): Uint8Array

function appendChild(parent: XmlNode, child: XmlNode): XmlNode

function el(name: string, attrs?: Readonly<Record<string, string | number | boolean | null | undefined>>, children?: readonly XmlNode[], text?: string): XmlNode

function elNs(namespace: string | undefined, local: string, attrs?: Readonly<Record<string, string | number | boolean | null | undefined>>, children?: readonly XmlNode[], text?: string): XmlNode

function findChild(node: XmlNode, name: string): XmlNode | undefined

function findChildren(node: XmlNode, name: string): XmlNode[]

function fromTree(node: XmlNode, schema: Schema<T>): T

function toTree(value: T, schema: Schema<T>): XmlNode

function defineSchema(s: Schema<T>): Schema<T>

const DEFAULT_DECOMPRESSION_LIMITS: ResolvedDecompressionLimits

function iterParse(input: SaxInput): AsyncIterableIterator<SaxEvent>

function parseXml(input: string | Uint8Array<ArrayBufferLike>): XmlNode

function openZip(source: XlsxSource, opts?: OpenZipOptions): Promise<ZipArchive>

function serializeXml(root: XmlNode, opts?: SerializeOptions): Uint8Array

function createXmlStreamWriter(opts?: XmlStreamWriterOptions): XmlStreamWriter

function createZipWriter(sink: XlsxSink, opts?: ZipWriterOptions): ZipWriter