read-excel-file/modules/xml/xlsx.js

Read `.xlsx` files in a web browser or in Node.js

import { findChild, findChildren, forEach, map, getFirstElementChild, getTagName } from './dom.js';
export function readSharedStrings(document, onOpenTag, onCloseTag, onText, state) {
  var sst = document.documentElement;
  onOpenTag('sst', null, state);
  // An `<si/>` element can contain a `<t/>` (simplest case) or a set of `<r/>` ("rich formatting") elements having `<t/>`.
  // https://docs.microsoft.com/en-us/dotnet/api/documentformat.openxml.spreadsheet.sharedstringitem?redirectedfrom=MSDN&view=openxml-2.8.1
  // http://www.datypic.com/sc/ooxml/e-ssml_si-1.html
  map(sst, 'si', function (si) {
    onOpenTag('si', null, state);
    var t = findChild(si, 't');
    if (t) {
      onOpenTag('t', null, state);
      onText(t.textContent, state);
      onCloseTag('t', state);
    } else {
      forEach(si, 'r', function (r) {
        onOpenTag('r', null, state);
        onOpenTag('t', null, state);
        onText(findChild(r, 't').textContent, state);
        onCloseTag('t', state);
        onCloseTag('r', state);
      });
    }
    onCloseTag('si', state);
  });
  onCloseTag('sst', state);
}
export function readSheetDimensions(document, onOpenTag, onCloseTag, onText, state) {
  var worksheet = document.documentElement;
  onOpenTag('worksheet', null, state);
  var dimensions = findChild(worksheet, 'dimension');
  if (dimensions) {
    onOpenTag('dimension', {
      ref: dimensions.getAttribute('ref')
    }, state);
    onCloseTag('dimension', state);
  }
  onCloseTag('worksheet', state);
}
export function readCells(document, onOpenTag, onCloseTag, onText, state) {
  var worksheet = document.documentElement;
  onOpenTag('worksheet', null, state);
  var sheetData = findChild(worksheet, 'sheetData');
  forEach(sheetData, 'row', function (row) {
    onOpenTag('row', null, state);
    forEach(row, 'c', function (cell) {
      var attributes = {
        r: cell.getAttribute('r'),
        t: cell.getAttribute('t'),
        s: cell.getAttribute('s')
      };
      onOpenTag('c', attributes, state);
      // A cell could have either a value or an insline string value.
      // * Cell value is stored as text content of a `<v>...</v>` element.
      // * Inline string value is stored as text content of an `<is><t>...</t></is>` element.
      readCellValueElement(document, cell, onOpenTag, onCloseTag, onText, state);
      readCellInlineStringValue(document, cell, onOpenTag, onCloseTag, onText, state);
      onCloseTag('c', state);
    });
    onCloseTag('row', state);
  });
  onCloseTag('worksheet', state);
}
export function getMergedCellCoordinates(document) {
  var worksheet = document.documentElement;
  var mergedCells = findChild(worksheet, 'mergeCells');
  var mergedCellsInfo = [];
  if (mergedCells) {
    forEach(mergedCells, 'mergeCell', function (mergedCell) {
      mergedCellsInfo.push(mergedCell.getAttribute('ref'));
    });
  }
  return mergedCellsInfo;
}
function readCellValueElement(document, element, onOpenTag, onCloseTag, onText, state) {
  var v = findChild(element, 'v');
  if (v) {
    onOpenTag('v', null, state);
    if (typeof v.textContent === 'string') {
      onText(v.textContent, state);
    }
    onCloseTag('v', state);
  }
}
function readCellInlineStringValue(document, element, onOpenTag, onCloseTag, onText, state) {
  // It seems as if in some weirdly-output "*.xlsx" files
  // there're non-element nodes of some weird nature.
  // https://gitlab.com/catamphetamine/read-excel-file/-/issues/109
  // This code filters out such weird non-element nodes.
  var firstElementChild = getFirstElementChild(element);
  if (firstElementChild && getTagName(firstElementChild) === 'is') {
    onOpenTag('is', null, state);
    var firstElementChildFirstElementChild = getFirstElementChild(firstElementChild);
    if (firstElementChildFirstElementChild && getTagName(firstElementChildFirstElementChild) === 't') {
      onOpenTag('t', null, state);
      if (typeof firstElementChildFirstElementChild.textContent === 'string') {
        onText(firstElementChildFirstElementChild.textContent, state);
      }
      onCloseTag('t', state);
    }
    onCloseTag('is', state);
  }
}
export function getBaseStyles(document) {
  var styleSheet = document.documentElement;
  var cellStyleXfs = findChild(styleSheet, 'cellStyleXfs');
  if (cellStyleXfs) {
    return findChildren(cellStyleXfs, 'xf');
  }
  return [];
}
export function getCellStyles(document) {
  var styleSheet = document.documentElement;
  var cellXfs = findChild(styleSheet, 'cellXfs');
  if (!cellXfs) {
    return [];
  }
  return findChildren(cellXfs, 'xf');
}
export function getNumberFormats(document) {
  var styleSheet = document.documentElement;
  var numberFormats = [];
  var numFmts = findChild(styleSheet, 'numFmts');
  if (numFmts) {
    return findChildren(numFmts, 'numFmt');
  }
  return [];
}
export function getWorkbookProperties(document) {
  var workbook = document.documentElement;
  return findChild(workbook, 'workbookPr');
}
export function getRelationships(document) {
  var relationships = document.documentElement;
  return findChildren(relationships, 'Relationship');
}
export function getSheets(document) {
  var workbook = document.documentElement;
  var sheets = findChild(workbook, 'sheets');
  return findChildren(sheets, 'sheet');
}
//# sourceMappingURL=xlsx.js.map