Export template script from Google Sheets to JSON - Waiviogit/waivio GitHub Wiki

// Includes functions for exporting active sheet or all sheets as JSON object (also Python object syntax compatible).
// Tweak the makePrettyJSON_ function to customize what kind of JSON to export.

var FORMAT_ONELINE = "One-line";
var FORMAT_MULTILINE = "Multi-line";
var FORMAT_PRETTY = "Pretty";

var LANGUAGE_JS = "JavaScript";
var LANGUAGE_PYTHON = "Python";

var STRUCTURE_LIST = "List";
var STRUCTURE_HASH = 'Hash (keyed by "id" column)';

/* Defaults for this particular spreadsheet, change as desired */
var DEFAULT_FORMAT = FORMAT_PRETTY;
var DEFAULT_LANGUAGE = LANGUAGE_JS;
var DEFAULT_STRUCTURE = STRUCTURE_LIST;

function onOpen() {
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var menuEntries = [
    { name: "Export JSON for this sheet", functionName: "exportSheet" },
    // { name: "Export JSON for all sheets", functionName: "exportAllSheets" },
  ];
  ss.addMenu("Export JSON", menuEntries);
}

function makeLabel(app, text, id) {
  var lb = app.createLabel(text);
  if (id) lb.setId(id);
  return lb;
}

function makeListBox(app, name, items) {
  var listBox = app.createListBox().setId(name).setName(name);
  listBox.setVisibleItemCount(1);

  var cache = CacheService.getPublicCache();
  var selectedValue = cache.get(name);
  Logger.log(selectedValue);
  for (var i = 0; i < items.length; i++) {
    listBox.addItem(items[i]);
    if (items[1] == selectedValue) {
      listBox.setSelectedIndex(i);
    }
  }
  return listBox;
}

function makeButton(app, parent, name, callback) {
  var button = app.createButton(name);
  app.add(button);
  var handler = app
    .createServerClickHandler(callback)
    .addCallbackElement(parent);
  button.addClickHandler(handler);
  return button;
}

function makeTextBox(app, name) {
  var textArea = app
    .createTextArea()
    .setWidth("100%")
    .setHeight("200px")
    .setId(name)
    .setName(name);
  return textArea;
}

function exportAllSheets(e) {
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var sheets = ss.getSheets();
  var sheetsData = {};
  for (var i = 0; i < sheets.length; i++) {
    var sheet = sheets[i];
    var rowsData = getRowsData_(sheet, getExportOptions(e));
    var sheetName = sheet.getName();
    sheetsData[sheetName] = rowsData;
  }
  var json = makeJSON_(sheetsData, getExportOptions(e));
  displayText_(json);
}

function exportSheet(e) {
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var sheet = ss.getActiveSheet();
  var rowsData = getRowsData_(sheet, getExportOptions(e));
  var json = makeJSON_(rowsData, getExportOptions(e));
  displayText_(json);
}

function getExportOptions(e) {
  var options = {};

  options.language = (e && e.parameter.language) || DEFAULT_LANGUAGE;
  options.format = (e && e.parameter.format) || DEFAULT_FORMAT;
  options.structure = (e && e.parameter.structure) || DEFAULT_STRUCTURE;

  var cache = CacheService.getPublicCache();
  cache.put("language", options.language);
  cache.put("format", options.format);
  cache.put("structure", options.structure);

  Logger.log(options);
  return options;
}

function makeJSON_(object, options) {
  if (options.format == FORMAT_PRETTY) {
    var jsonString = JSON.stringify(object, null, 4);
  } else if (options.format == FORMAT_MULTILINE) {
    var jsonString = Utilities.jsonStringify(object);
    jsonString = jsonString.replace(/},/gi, "},\n");
    jsonString = prettyJSON.replace(/":\[{"/gi, '":\n[{"');
    jsonString = prettyJSON.replace(/}\],/gi, "}],\n");
  } else {
    var jsonString = Utilities.jsonStringify(object);
  }
  if (options.language == LANGUAGE_PYTHON) {
    // add unicode markers
    jsonString = jsonString.replace(/"([a-zA-Z]*)":\s+"/gi, '"$1": u"');
  }
  return jsonString;
}

function displayText_(text) {
  var file = DriveApp.createFile(
    `${
      Date.now().toString() + "#" + Math.random().toString(36).substr(2, 9)
    }.txt`,
    text
  );

  var url = file.getUrl();

  var output = HtmlService.createHtmlOutput(
    `<span>Download: ${url}</span> <textarea style='width:100%;' rows='20'>${text}</textarea>`
  );
  output.setWidth(400);
  output.setHeight(300);
  SpreadsheetApp.getUi().showModalDialog(output, "Exported JSON");
}

// getRowsData iterates row by row in the input range and returns an array of objects.
// Each object contains all the data for a given row, indexed by its normalized column name.
// Arguments:
//   - sheet: the sheet object that contains the data to be processed
//   - range: the exact range of cells where the data is stored
//   - columnHeadersRowIndex: specifies the row number where the column names are stored.
//       This argument is optional and it defaults to the row immediately above range;
// Returns an Array of objects.
function getRowsData_(sheet, options) {
  var headersRange = sheet.getRange(
    1,
    1,
    sheet.getFrozenRows(),
    sheet.getMaxColumns()
  );
  var headers = headersRange.getValues()[0];
  var dataRange = sheet.getRange(
    sheet.getFrozenRows() + 1,
    1,
    sheet.getMaxRows(),
    sheet.getMaxColumns()
  );
  var objects = getObjects_(dataRange.getValues(), normalizeHeaders_(headers));
  if (options.structure == STRUCTURE_HASH) {
    var objectsById = {};
    objects.forEach(function (object) {
      objectsById[object.id] = object;
    });
    return objectsById;
  } else {
    return objects;
  }
}

// getColumnsData iterates column by column in the input range and returns an array of objects.
// Each object contains all the data for a given column, indexed by its normalized row name.
// Arguments:
//   - sheet: the sheet object that contains the data to be processed
//   - range: the exact range of cells where the data is stored
//   - rowHeadersColumnIndex: specifies the column number where the row names are stored.
//       This argument is optional and it defaults to the column immediately left of the range;
// Returns an Array of objects.
function getColumnsData_(sheet, range, rowHeadersColumnIndex) {
  rowHeadersColumnIndex = rowHeadersColumnIndex || range.getColumnIndex() - 1;
  var headersTmp = sheet
    .getRange(range.getRow(), rowHeadersColumnIndex, range.getNumRows(), 1)
    .getValues();
  var headers = normalizeHeaders_(arrayTranspose_(headersTmp)[0]);
  return getObjects(arrayTranspose_(range.getValues()), headers);
}

// For every row of data in data, generates an object that contains the data. Names of
// object fields are defined in keys.
// Arguments:
//   - data: JavaScript 2d array
//   - keys: Array of Strings that define the property names for the objects to create
/*
Indexes (j) - fields name:
0 - asins
1 - brand
2 - brandLink
3 - categories
4 - colors
5 - dateAdded
6 - dateUpdated
7 - descriptions
8 - dimension
9 - dontFetchAmazonOptions
10 - features
11 - groupId
12 - imageURLs
13 - isbn
14 - manufacturer
15 - manufacturerLink
16 - merchants
17 - merchantLink
18 - mostRecentPriceAmount
19 - mostRecentPriceCurrency
20 - name
21 - primaryImageURLs 
22 - sizes
23 - waivio_options
24 - waivio_tags 
25 - weight 
26 - emails 
27 - latitude (only for restaurant) 
28 - longitude (only for restaurant) 
29 - address (only for restaurant) 
30 - city (only for restaurant) 
31 - province (only for restaurant) 
32 - postalCode (only for restaurant) 
33 - country (only for restaurant) 
 */
function getObjects_(data, keys) {
  var objects = [];
  for (var i = 0; i < data.length; ++i) {
    var object = {};
    var hasData = false;
    for (var j = 0; j < data[i].length; ++j) {
      var cellData = data[i][j];
      //var cellDataArray = [data[i][j]];
      if (isCellEmpty_(cellData)) {
        continue;
      } else if (
        j === 0 ||
        j === 1 ||
        j === 2 ||
        j === 5 ||
        j === 6 ||
        j === 8 ||
        j === 9 ||
        j === 11 ||
        j === 13 ||
        j === 14 ||
        j === 15 ||
        j === 17 ||
        j === 18 ||
        j === 19 ||
        j === 20 ||
        j === 25 ||
        j === 27 ||
        j === 28 ||
        j === 29 ||
        j === 30 ||
        j === 31 ||
        j === 32 ||
        j === 33
      ) {
        // string fields
        object[keys[j]] = cellData;
      } else if (
        cellData.toString().includes(";") &&
        (j === 3 || j === 12 || j === 21 || j === 22 || j === 4 || j === 26)
      ) {
        // array fields
        object[keys[j]] = cellData
          .toString()
          .split(";")
          .map((item) => item.trim());
      } else if (j === 10) {
        var flagValueArray = true;
        object[keys[j]] = processString_(cellData, flagValueArray);
      } else if (j === 23 || j === 24) {
        object[keys[j]] = processString_(cellData);
      } else if (j === 7) {
        object[keys[j]] = [{value: cellData}];
      } else if (j === 16) {
        object[keys[j]] = [{name: cellData}];
      } 
      else {
        object[keys[j]] = [cellData];
      }
      hasData = true;
    }
    if (hasData) {
      objects.push(object);
    }
  }
  return objects;
}

function processString_(str, valueArray) {
  var result = [];
  var urlPattern = /(https?:\/\/[^\s]+)/g; // Regular expression to find URLs

  // Function to handle the URL case
  function handleUrl(obj, key, value) {
    if (key.trim().toLowerCase() === 'image') {
      var match = value.match(urlPattern);
      if (match) {
        obj[key.trim()] = match[0];
        return true;
      }
    }
    return false;
  }

  var parts = str.split("*");
  for (var i = 0; i < parts.length; i++) {
    var obj = {};
    var subparts = parts[i].split(";");
    for (var j = 0; j < subparts.length; j++) {
      if (subparts[j].indexOf(":") !== -1) {
        var subsubparts = subparts[j].split(":");

        // Check if the key-value pair is a URL and handle it
        if (!handleUrl(obj, subsubparts[0], subsubparts.slice(1).join(':'))) {
          var value = subsubparts.slice(1).join(':').trim();
          if (Object.keys(obj).length % 2 !== 0) {
            if (valueArray) {
              value = [value];
            }
            value = value;
          }
          obj[subsubparts[0].trim()] = value;
        }
      }
    }
    if (Object.keys(obj).length) result.push(obj);
  }

  if (!result.length) return "Invalid String";
  return result;
}


// Returns an Array of normalized Strings.
// Arguments:
//   - headers: Array of Strings to normalize
function normalizeHeaders_(headers) {
  var keys = [];
  for (var i = 0; i < headers.length; ++i) {
    var key = normalizeHeader_(headers[i]);
    if (key.length > 0) {
      keys.push(key);
    }
  }
  return keys;
}

// Normalizes a string, by removing all alphanumeric characters and using mixed case
// to separate words. The output will always start with a lower case letter.
// This function is designed to produce JavaScript object property names.
// Arguments:
//   - header: string to normalize
// Examples:
//   "First Name" -> "firstName"
//   "Market Cap (millions) -> "marketCapMillions
//   "1 number at the beginning is ignored" -> "numberAtTheBeginningIsIgnored"
function normalizeHeader_(header) {
  // var key = "";
  // var upperCase = false;
  // for (var i = 0; i < header.length; ++i) {
  //   var letter = header[i];
  //   if (letter == " " && key.length > 0) {
  //     upperCase = true;
  //     continue;
  //   }
  //   if (!isAlnum_(letter)) {
  //     continue;
  //   }
  //   if (key.length == 0 && isDigit_(letter)) {
  //     continue; // first character must be a letter
  //   }
  //   if (upperCase) {
  //     upperCase = false;
  //     key += letter.toUpperCase();
  //   } else {
  //     key += letter.toLowerCase();
  //   }
  // }
  // return key;
  return header;
}

// Returns true if the cell where cellData was read from is empty.
// Arguments:
//   - cellData: string
function isCellEmpty_(cellData) {
  return typeof cellData == "string" && cellData == "";
}

// Returns true if the character char is alphabetical, false otherwise.
function isAlnum_(char) {
  return (
    (char >= "A" && char <= "Z") ||
    (char >= "a" && char <= "z") ||
    isDigit_(char)
  );
}

// Returns true if the character char is a digit, false otherwise.
function isDigit_(char) {
  return char >= "0" && char <= "9";
}

// Given a JavaScript 2d Array, this function returns the transposed table.
// Arguments:
//   - data: JavaScript 2d Array
// Returns a JavaScript 2d Array
// Example: arrayTranspose([[1,2,3],[4,5,6]]) returns [[1,4],[2,5],[3,6]].
function arrayTranspose_(data) {
  if (data.length == 0 || data[0].length == 0) {
    return null;
  }

  var ret = [];
  for (var i = 0; i < data[0].length; ++i) {
    ret.push([]);
  }

  for (var i = 0; i < data.length; ++i) {
    for (var j = 0; j < data[i].length; ++j) {
      ret[j][i] = data[i][j];
    }
  }

  return ret;
}

⚠️ **GitHub.com Fallback** ⚠️