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jsoma
3.6K Stars 448 Forks MIT License 218 Commits 12 Opened issues

Description

Tabletop.js gives spreadsheets legs

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Tabletop.js (gives spreadsheets legs)

Tabletop.js takes a Google Spreadsheet and makes it easily accessible through JavaScript. With zero dependencies! If you've ever wanted to get JSON from a Google Spreadsheet without jumping through a thousand hoops, welcome home.

Tabletop.js easily integrates Google Spreadsheets with templating systems and anything else that is hip and cool. It will also help you make new friends and play jazz piano.

Build Status

But wait, don't use Tabletop!!!!

Tabletop was created in about 1995, back when we had to remember to disable call waiting when dialing into Compuserve. Now that it's 2020, Google is shutting down the infrastructure that Tabletop relies on.

Big surprise, right? But luckily, it's pretty easy to switch to a more modern way of doing things!

Instead of Tabletop, we're going to use Papa Parse. You still need to share your spreadsheet and all of that (see below), but the changes are actually pretty tiny! I've added a file where you can see a full example of doing it, but the quick version is:

Old Tabletop style

function init() {
  Tabletop.init( { key: 'https://docs.google.com/spreadsheets/d/0AmYzu_s7QHsmdDNZUzRlYldnWTZCLXdrMXlYQzVxSFE/pubhtml',
                    callback: function(data, tabletop) { 
                      console.log(data)
                    },
                    simpleSheet: true } )
}
window.addEventListener('DOMContentLoaded', init)

Updated version

function init() {
          Papa.parse('https://docs.google.com/spreadsheets/d/e/2PACX-1vRB4E_6RnpLP1wWMjqcwsUvotNATB8Np3OntlXb7066ULcAHI9oqqRhucltFifPTYNd7DRNRE56oTdt/pub?output=csv', {
          download: true,
          header: true,
          complete: function(results) {
            var data = results.data
            console.log(data)
          }
        })
window.addEventListener('DOMContentLoaded', init)

One important note is this won't work with Publish to Web if you have an organizational account. Like if I use my

@columbia.edu
account Google pretends I'm a terrible criminal and won't give me access via Papa Parse.

This also won't work if you're opening up an html file on your computer like a Normal Person, it requires you to either put it on the internet or run a local server. There are worse things, I guess.

But hey, as of September 2020 it's this way or the highway!

Google broke some MORE stuff, so you just plan might not be able to do this any more. If it's a PRIVATE project, you can get an API key and jump through a few hoops. But beware that this exposes your API key to anyone visiting the site, which allows people to do whatever they want with your data and run up bills on your end, so you probably don't want this on something facing the world.

But let's pretend Tabletop isn't leaving

Like how easy?

Step One: make a Google Spreadsheet and "Publish to Web." You'll need to pick CSV to be forwards-compatible for when Google shuts down the old way of doing things.

Step Two: Write a page that invokes Tabletop with the published URL Google gives you.

function init() {
  Tabletop.init( { key: 'https://docs.google.com/spreadsheets/d/0AmYzu_s7QHsmdDNZUzRlYldnWTZCLXdrMXlYQzVxSFE/pubhtml',
                    callback: function(data, tabletop) { 
                      console.log(data)
                    },
                    simpleSheet: true } )
}
window.addEventListener('DOMContentLoaded', init)

Step Two, modern-er version: We've moved to the future (aka like a decade ago) by supporting promises.

function init() {
  Tabletop.init( {
    key: 'https://docs.google.com/spreadsheets/d/0AmYzu_s7QHsmdDNZUzRlYldnWTZCLXdrMXlYQzVxSFE/pubhtml',
    simpleSheet: true }
  ).then(function(data, tabletop) { 
    console.log(data)
  })
}
window.addEventListener('DOMContentLoaded', init)

Step Three: Enjoy your data!

[ { name: "Carrot", category: "Vegetable", healthiness: "Adequate" }, 
  { name: "Pork Shoulder", category: "Meat", healthiness: "Questionable" }, 
  { name: "Bubblegum", category: "Candy", healthiness: "Super High"} ]

Yes, it's that easy.

NOTE: If your share URL has a

/d/e
in it, try refreshing the page to see if it goes away. If it doesn't, try this.

Getting Started

1) Publishing your Google Sheet

The first step is to get your data out into a form Tabletop can digest

Make a Google Spreadsheet. Give it some column headers, give it some content.

Name            Category   Healthiness
Carrot          Vegetable  Adequate
Pork Shoulder   Meat       Questionable
Bubblegum       Candy      Super High

Now go up to the

File
menu and pick
Publish to the web
. Fiddle with the options, then click
Start publishing
. A URL will appear, something like
https://docs.google.com/spreadsheets/d/e/2PACX-1vQ2qq5UByYNkhsujdrWlDXtpSUhh7ovl0Ak6pyY3sWZqEaWS2lJ0iuqcag8iDLsoTuZ4XTiaEBtbbi0/pubhtml
.

IGNORE THIS URL! You used to be able to use it, you can't anymore (you still need to do this step, though).

Now that you've published your sheet, you now need to share it, too.

  1. Click the Share link in the upper right-hand corner
  2. Click the very pale Advanced button
  3. Change... access to "On - Anyone with a link"
  4. Make sure Access: Anyone says Can view, since you don't want strangers editing your data
  5. Click Save

Copy the Link to Share. Your URL should look something like

https://docs.google.com/spreadsheets/d/1Io6W5XitNvifEXER9ECTsbHhAjXsQLq6VEz7kSPDPiQ/edit?usp=sharing
. It should not have a
/d/e
in it.

2) Setting up Tabletop

Now you're going to feed your spreadsheet into Tabletop

Include the Tabletop JavaScript file in your HTML, then try the following, substituting your URL for

publicSpreadsheetUrl

After Tabletop reads your Sheet, it hops to the

showInfo
function with your data. Open up your console and check out the data it retrieved. All of those rows were turned right into objects! See how easy that was?

3) Honestly, that's it.

Check out the reference and the examples, but basically you're set. The only thing to think about right now is if you want to deal with multiple sheets you can get rid of

simpleSheet: true
(more on that later).

You might also be interested in the publishing/republishing/publish-as-it-changes aspects of Google Spreadsheets, but you'll need to google that for any specifics.

A note on node

To use this in a node environment:

npm install tabletop -save

Copy and paste this in your

index.js
file:
 const Tabletop = require('tabletop');

var publicSpreadsheetUrl = 'URL OF SPREADSHEET AS YOU FIND IN THE BROWSER ADDRESS BAR';

function init() { Tabletop.init( { key: publicSpreadsheetUrl, callback: showInfo, simpleSheet: false } ) }

function showInfo(data, tabletop) { // do something with the data console.log(JSON.stringify(data, null, 2)); }

//initialise and kickstart the whole thing. init()

Reference

Tabletop initialization

The simplest Tabletop initialization works like this:

var tabletop = Tabletop.init({ 
  key: '1sbyMINQHPsJctjAtMW0lCfLrcpMqoGMOJj6AN-sNQrc', 
  callback: showInfo 
})

You pass in either

key
as the actual spreadsheet key, or just the full published-spreadsheet URL.

showInfo
is a function elsewhere in your code that gets called with your data.

Depending on how recently you've published your spreadsheet, your

key
comes from different places. Either the spreadsheet's URL in the address bar, the Publish URL, or the Share URL. Read this

Tabletop initialization options

key

key
is the key of the published spreadsheet or the URL of the published spreadsheet.

callback

callback
is the callback for when the data has been successfully pulled. It will be passed an object containing the models found in the spreadsheet (worksheets => models), and the tabletop instance. Each of these models contains the rows on that worksheet (see Tabletop.Model). If simpleSheet is turned on it simply receives an array of rows of the first worksheet.

simpleSheet

simpleSheet
can be true or false (default false). It assumes you have one table and you don't care what it's called, so it sends the callback an array of rows instead of a list of models. Peek at the examples for more info.

parseNumbers

parseNumbers
can be true or false (default false). If true, Tabletop will automatically parse any numbers for you so they don't run around as strings.

error

error
is the callback for when something goes wrong. I'm uncertain how well it works in the browser in all situations, but in our Modern World I'm pretty sure it can be relied on.

orderby

orderby
asks Google to sort the results by a column. You'll need to strip spaces and lowercase your column names, i.e.
{order: 'firstname'}
for a column called First Name. You'll want to use this when you only have a single sheet, though, otherwise it will try to sort by the same column on every single sheet.

reverse

reverse
reverses the order if set to true.

postProcess

postProcess
is a function that processes each row after it has been created. Use this to rename columns, compute attributes, etc.

For example:

 postProcess: function(element) {
   // Combine first and last name into a new column
   element["full_name"] = element["first_name"] + " " + element["last_name"];

// Convert string date into Date date element["timestamp"] = Date.parse(element["displaydate"]); }

wanted

wanted
is an array of sheets you'd like to pull. If you have 20 sheets in a public spreadsheet you might as well only pull what you need to access. See the example in simple/multiple.html. Defaults to all.

endpoint

endpoint
is the protocol and domain you'd like to query for your spreadsheet. Defaults to
https://spreadsheets.google.com
.

singleton

singleton
assigned the instantiated Tabletop object to Tabletop.singleton, implemented to simplify caching and proxying of requests. Defaults to
false
.

simple_url

simpleUrl
, if true, changes all requests to
KEY
and
KEY-SHEET_ID
. Defaults to
false
.

proxy

proxy
allows you to easily use spreadsheets not located on Google Spreadsheet servers. Setting
proxy: "http://www.proxy.com"
is equivalent to setting
{ simple_url: true, singleton: true, endpoint: "http://www.proxy.com" }
. Flatware might provide better documentation.

wait

wait
prevents tabletop from pulling the Google spreadsheet until you're ready. Used in the backbone.js example.

~~query~~

~~

query
sends a structured query along with the spreadsheet request, so you can ask for rows with
age > 55
and the like. Right now it's passed with every request, though, so if you're using multiple tables you'll end up in Problem City. It should work great with
simpleSheet
situations, though.~~ Doesn't want to work at the moment.

debug

debug
returns on debug mode, which gives you plenty of messaging about what's going on under the hood.

authkey

authkey
is the authorization key for private sheet support.

parameterize

parameterize
changes the src of all injected scripts. Instead of
src
,
src
is URI encoded and appended to
parameterize
, e.g. set it to
http://example.herokuapp.com/?url=
. Mostly for gs-proxy.

callbackContext

callbackContext
sets the
this
for your callback. It's the tabletop object by default.

prettyColumnNames

prettyColumnNames
can be true or false (default to true, unless
proxy
is enabled†). Since Google doesn't pass us exactly the same column names as in the header ('$ Processed' becomes 'processed'), it takes an extra request to correct them. If you don't want the extra request, you'll want to set it to
false

† prettyColumnNames doesn't work with Flatware, is why we disable it with a proxy by default

Tabletop object attributes and methods

Once you're in the callback, you get the data and a

tabletop
object. That object is capable of all sorts of fun things.

.sheets()

.sheets()
are the
Tabletop.Model
s that were populated, one per worksheet. You access a sheet by its name.

.sheets(name)
is how you access a specific sheet. Say I have a worksheet called Cats I Know, I'll access it via
tabletop.sheets("Cats I Know")

.modelNames

.modelNames
are the names of the models [read: sheets] that Tabletop knows about. The sheet names do not reflect their ordering in the original spreadsheet.

.foundSheetNames

.foundSheetNames
are the names of the sheets [read: models] that Tabletop knows about. Their order reflects the sheets' order in the original spreadsheet.

.data()

.data()
returns the rows of the first model if you're in simpleSheet mode. It's the same as
.sheets()
otherwise. This is just a little sugar.

.fetch()

.fetch()
manually initializes a data request to the Google Sheet.

.addWanted(name)

.addWanted(name)
adds a sheet to the list that are updated with
.fetch

Tabletop.Model attributes and methods

Tabletop refers to sheets as Models, which have a few extra abilities compared to the sheets-as-plain-objects.

.name

.name
is the name of the worksheet it came from (the tab at the bottom of the spreadsheet)

.columnNames

.columnNames
gives you the names of the columns in that table

.originalColumns

.originalColumns
gives you the names of the columns that Google sends on the first pass (numbers stripped, lowercase, etc)

.prettyColumns

.prettyColumns
gives you the mapping between the column headers in the spreadsheet and the and the
columnNames
. Disabled by passing
prettyColumnNames: false
when initializing Tabletop.

.all()

.all()
returns an array of the rows of the table, in the style of
[ { name: "Tom", age: 5}, { name: "Liz", age: 12 } ]

.toArray()

.toArray()
returns the rows of the table with numbered indices instead of named ones [ [ "Tom", 5] , [ "Liz", 12 ] ]

So what the hell do I do with this?

Imagine it's a read-only, JavaScript CMS that you can edit through Google Docs. It's like Christmas up in here.

You can see examples of working with different systems in, yes,

/examples/
.

Tabletop and any templating system (Handlebars etc)

Super easy. Just feed the models to your template and you're all set.

Tabletop and Backbone.js

I've put together a

Backbone.tabletopSync
driver for Backbone collections and models. It's read-only, but you can't really complain if you're powering your Backbone app through Google Spreadsheets.

Source is, of course, in

/src
, and you can check it out in action in
examples/backbone/

Tabletop and AngularJS

Ændrew Rininsland (@aendrew) at The Times and Sunday Times has created a module that makes using Tabletop with AngularJS extremely easy. It also includes a loader for angular-translate that gives Tabletop the ability to provide i18n translation strings.

Please see times/angular-tabletop for more details.

Caching/Proxying Google Spreadsheets

Yeah, Google Spreadsheets can sometimes be slow or sometimes be overwhelmed or maybe one day Google will just up and disappear on us. So Tabletop.js now supports fetching your data from elsewhere, using options like

endpoint
and
proxy
.

proxy
is the fun one, in that it rewrites your requests to be simpler-looking and plays nicely with the app & example I put together.

Using Flatware

If you don't mind running around with Heroku and AWS, Flatware is an app I built that uploads the spreadsheet JSON response to S3.

Using table-service

table-service hosts it on your own server using a python script, and auto-updates thanks to a tiny script you add to your spreadsheet.

Using gs-proxy

gs-proxy is another option that also uses Heroku. You'll set

parameterize
to something like
http://example.herokuapp.com/?url=
and off you go!

Using other caching

You can point

proxy
at anything you'd like as long as it has
KEY
and
KEY-SHEET_ID
files sitting in a directory. Feel free to host it on your own server! You can use
/caching/local.rb
if you want a pretty easy solution for generating the flat files.

Notes

Strange behavior

Empty tables are trouble. We can't get column names from them (c'mon, Google!), so don't be too confused when a table with 0 rows is coming back with an empty

.column_names
or your code starts throwing weird errors when processing the results.

Empty rows are trouble. If you have a row that's completely empty, Google doesn't return any rows after the empty row. As a result, you need to make sure every line in your spreadsheet has data in it.

Weird-named columns are trouble. A column named % might cause your spreadsheet to stop processing.

Unnamed columns are trouble. A column without a name will get in the way of your data successfully coming through.

If you are having trouble

Turn on debugging by passing

debug: true
when you initialize Tabletop. Check out the console, I try to keep my error messages chatty and informative. Or just email me at [email protected], I'm happy to help!

Tabletop.js in the wild

The more examples the better, right? Feel free to fork or contact me if you have a good example of something you've done.

A contextual video player with popcorn.js by @maboa

The WNYC mayoral tracker uses Tabletop along with Backbone.js

A Facebook-esque timeline from Balance Media (with a git repo)

Mapsheet creates super easy, customizable maps.

Other Options

If you aren't really feeling Tabletop, you should give Dataset a shot. It's "a JavaScript client-side data transformation and management library," which means it does a hell of a lot more than our dear Tabletop.

Credits

Jonathan Soma, who would rather be cooking than coding. Inspired by the relentless demands of John Keefe of WNYC.

Thanks to Scott Seaward for implementing multi-instance Tabletop.

Alan Palazzolo hooked the world up with gs-proxy and added support for it into Tabletop via

parameterize

Max Ogden was kind enough to lend Tabletop nodejs support as part of an Open News code sprint

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