๐งSheetMethods
ๅฉ็จ mixin ็ๆนๅผ๏ผ่ฎๅๅฅ็ Sheet ็ฉไปถๆๆๆนไพฟ็ methods๏ผ
Object.assign(sheet, SheetMethods); // โญ extend `Sheet`
/**
* common methods for a sheet
* - deleteExtraColumns()
* - deleteExtraRows()
* - writeObjects(obj, {row=1, col=1, clearSheet=false})
* @mixin
*/
const SheetMethods = {
/**
* ๐ธ delete extra columns in a sheet
* @example
* sheet.deleteExtraColumns()
*/
deleteExtraColumns(){
const j = this.getMaxColumns();
const i = this.getLastColumn();
if (j > i) this.deleteColumns(i+1, j-i);
},
/**
* ๐ธ delete extra rows in a sheet
* @example
* sheet.deleteExtraRows()
*/
deleteExtraRows(){
var j = this.getMaxRows();
var i = this.getLastRow();
if (j > i) this.deleteRows(i+1, j-i);
},
/**
* ๐ธ write objects' data into sheet
* @param {[object]} objs - array of objects (all with same properties)
* @param {number} row - first row number of the range where data is written into.
* @param {number} col - first column number of the range
* @param {boolean} clearSheet - decide whether or not to clear entire sheet first.
*/
writeObjects(objs, {
row = 1,
col = 1,
clearSheet = false
}={}) {
// get keys from first object
let keys = Object.keys(objs[0]);
// dimensions of the data range.
var rows = objs.length;
var cols = keys.length;
// +1 row for the header row.
let range = this.getRange(row, col, rows + 1, cols);
// objects -> 2D array
const values = [];
values.push(keys); // 1st row: header
objs.forEach( obj => {
const row = keys.map(key => obj[key]); // obj --> [v1, v2, ...]
values.push(row);
});
// clear sheet if necessary
if (clearSheet) this.clear();
// write 2D values into range
range.setValues(values);
},
};
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