Barcode Function Library for Google Sheets

Purpose and Features

Custom function library to generate the following 1D barcodes using `=SPARKLINE()`:	Barcode Type	Barcodes
1D Code	Code 11, Code 39, Code 93, ~~Code 128~~	In progress
1D UPC/EAN	EAN-2, EAN-5, EAN-8, EAN-13, UPC-A, UPC-E	Completed
1D ITF	ITF, ITF-14	Completed

Barcode generation is performed by repurposing =SPARKLINE() using the following options {"charttype","bar";"color1","black";"color2","white"}
The individual barcode functions return an array indicating the width of the alternating bars (black) and spaces (white)
Installation and Usage
To install, you can manually copy/paste the code into the Google Apps Script Editor
To install as a library in the Google Apps Script Editor, follow these instructions using script ID: 1UudrKNziZj_sKPi_L_Bmav9vnvCJKB3QOpffaakWv5x4VBJcK-kOxOpR
Use the following function template to generate barcodes: =SPARKLINE(ITF(INSERT BARCODE HERE),BarcodeOpt())
All check digits are auto-calculated if not included and verified if included.

Function Name	Data Types	Length and Format	Check Digit
`Code11()`	Numeric and dash	Unlimited	None
`Code39()`	Uppercase alphanumeric, space, and -$%./+	Unlimited + check digit (optional)	Modulo 43
`Code93()`	Uppercase alphanumeric, space, and -$%./+	Unlimited + 2 check digits	Modulo 47
`EAN_2()`	Numeric	2 digits	None
`EAN_5()`	Numeric	5 digits	None
`EAN_13()`	Numeric	12 digits + check digit	GS1 check digit
`ITF()`	Numeric	Unlimited	None
`ITF_14()`	Numeric	13 digits + check digit	GS1 check digit
`UPCA()`	Numeric	11 + check digit (UPC-A) or 8 digits (EAN-8)	GS1 check digit
`UPCE()`	Numeric	("0" or "1") + 6 digits	None