jsdbroughton

const uniqueIds: Set<number> = new Set();
let lastId = 1;

// All treeviewItems
treeItems.forEach( ( item ): void => {
  if ( item && item.data ) {
    uniqueIds.add( item.data.uniqueId );
    lastId += 1;
  }
});

jsdbroughton

[{ id: 6, name: `A`, children:[
  { id: 7, name:`00`, children: [
    { id: 8, name:`Retail`, children:[
      { id: 1, name: `1`, data:{ uniqueId:99, building:`A`, floor:`00`, zone:`Retail`, mark:`1` } }
    ] }
  ] },
  { id: 9, name:`01`, children: [
    { id: 10, name:`Commercial`, children:[
      { id: 2, name: `1`, data:{ uniqueId:22, building:`A`, floor:`01`, zone:`Commercial`, mark:`1` } }
    ] }

jsdbroughton

[
  {id:1, data: {uniqueId:16, building:`A`, floor:`00`, zone:`Retail`}},
  {id:2, data: {uniqueId:32, building:`A`, floor:`01`, zone:`Commercial`}},
  {id:3, data: {uniqueId:64, building:`A`, floor:`02`, zone:`Commercial`}},
  {id:4, data: {uniqueId:128, building:`A`, floor:`02`, zone:`Commercial`}},
  {id:5, data: {uniqueId:256, building:`B`, floor:`03`, zone:`Residential`}}
];

jsdbroughton

Keybase proof

I hereby claim:

• I am jsdbroughton on github.
• I am jsdbroughton (https://keybase.io/jsdbroughton) on keybase.
• I have a public key ASD9MDNNldvt4eBSV4q3hnncrfpiyp12bKkCxXekFyxrPQo

To claim this, I am signing this object:

jsdbroughton

// IfcGuid
// ----------------------------------------------------------------------------
// This class is a service class providing methods to generation and conversion
// between compressed and uncompressed string representations of GUIDs
// according to the algorithms used by the Industry Foundation Classes (IFC).
// The algorithm is based on an implementation in c as follows: 
// originally proposed by Jim Forester.
// implemented previously by Jeremy Tammik using hex-encoding
// Peter Muigg, June 1998
// Janos Maros, July 2000

jsdbroughton

/**
* Returns an array of indirect single cell references from different sheets.
* @param {A2:A}    sheets   The column containing sheets' names.
* @param {"E1"}    ref      The range to return from each sheet.
* @param {string}  key      Value to match
* @param {int}     column   The column from which to return a value
* @param {int}     headers  The number of header rows to ignore in the lookup range
* @customfunction
*/
function ILOOKUP(sheets, ref, keys, column, headers) {

jsdbroughton

/**
* Returns a sum for each row of a given array.
* @param {range} range The range or array to sum.
* @customfunction
*/
function ROW_SUM(range) {
  
  if (!range.map) {
    range = [[range]]; // deal wih single cell ranges.
  }

jsdbroughton

/**
* Returns an array of indirect single cell references from different sheets.
* @param {A2:A}  sheets   The column containing sheets' names or an array of sheet names
* @param {"E1:E50"}  range   The single column range reference to totalise from each sheet.
* @customfunction
*/
function INDIRECT_SUM(sheets, range) {
  var ss = SpreadsheetApp.getActiveSpreadsheet(),
      result = [];

jsdbroughton

function findDateCellWithinADataRow() {
  
  // Assumes an embedded script.
  var ss = SpreadsheetApp.getActiveSpreadsheet().getActiveSheet();
  
  // Pretend this is the way you want to get teh data
  // perhaps from the Google Form submission event.
  var row = ss.getRange(rowId, 1, 1, ss.getLastColumn());
  var rowValues = row.getValues()[0];
  

jsdbroughton

if (!Array.prototype.transpose) {
  Array.prototype.transpose = function() {
    return this.reduce(function(array, next) {
      return next.map(function(item, i) {
        return (array[i] || []).concat(next[i]);
      });
    }, []);
  }
}