Clasp

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Develop Apps Script projects locally using clasp (Command Line Apps Script Projects).

<!-- GIF bash prompt: PS1='\[\033[38;5;9m\]❤ \[$(tput sgr0)\]' --> <!-- Width: 888px --> <!-- Commands: clasp create "Hello" ls echo 'function hello() { Logger.log("Hello, Apps Script!"); }' >> hello.js clasp push clasp deploy rm .clasp.json appsscript.json hello.js clear -->

To get started, try out the codelab!

You can also try clasp in Gitpod, a one-click online IDE for GitHub:

Features

🗺️ Develop Locally: clasp allows you to develop your Apps Script projects locally. That means you can check-in your code into source control, collaborate with other developers, and use your favorite tools to develop Apps Script.

🔢 Manage Deployment Versions: Create, update, and view your multiple deployments of your project.

📁 Structure Code: clasp automatically converts your flat project on script.google.com into folders. For example:

• On script.google.com:
  • tests/slides.gs
  • tests/sheets.gs
• locally:
  • tests/
    • slides.js
    • sheets.js

🔷 Write Apps Script in TypeScript: Write your Apps Script projects using TypeScript features:

• Arrow functions
• Optional structural typing
• Classes
• Type inference
• Interfaces
• And more…

➡️ Run Apps Script: Execute your Apps Script from the command line. Features:

• Instant deployment.
• Suggested functions Autocomplete (Fuzzy)
• Easily add custom Google OAuth scopes
• And more…

- V8 support take advantage of the performance boost of Chrome JavaScript engine:

• Every ES2019 features (except ES modules)
• Edit your appsscript.json manifest to choose between the Rhino and V8 engines
• Typescript users should update their tsconfig.json with the "target": "ES2019" compiler option

Install

First download clasp:

npm install -g @google/clasp

Then enable the Google Apps Script API: https://script.google.com/home/usersettings

Commands

The following command provide basic Apps Script project management.

Note: Most of them require you to clasp login and clasp create/clone before using the rest of the commands.

clasp

• clasp login [--no-localhost] [--creds <file>] [--status]
• clasp logout
• clasp create [--title <title>] [--type <type>] [--rootDir <dir>] [--parentId <id>]
• clasp clone <scriptId | scriptURL> [versionNumber] [--rootDir <dir>]
• clasp pull [--versionNumber]
• clasp push [--watch] [--force]
• clasp status [--json]
• clasp open [scriptId] [--webapp] [--creds] [--addon] [--deploymentId <id>]
• clasp deployments
• clasp deploy [--versionNumber <version>] [--description <description>] [--deploymentId <id>]
• clasp undeploy [deploymentId] [--all]
• clasp version [description]
• clasp versions
• clasp list

Advanced Commands

NOTE: These commands require you to add your Project ID.

• clasp logs [--json] [--open] [--setup] [--watch] [--simplified]
• clasp apis list
• clasp apis enable <api>
• clasp apis disable <api>
• clasp setting <key> [value]

Clasp Run

NOTE: This command requires you to bring your own Google API credentials.

• clasp run [functionName] [--nondev] [--params <StringArray>]

Reference

Login

Logs the user in. Saves the client credentials to a .clasprc.json file.

Options

• --no-localhost: Do not run a local server, manually enter code instead.
• --creds <file>: Use custom credentials used for clasp run. Saves a .clasprc.json file to current working directory. This file should be private!
• --status: Print who you are currently logged in as, if anyone.

Examples

• clasp login --no-localhost
• clasp login --creds creds.json
• clasp login --status

Logout

Logs out the user by deleting client credentials.

Examples

• clasp logout

Create

Creates a new script project. Prompts the user for the script type if not specified.

Options

• --type [docs/sheets/slides/forms]: If specified, creates a new add-on attached to a Document, Spreadsheet, Presentation, or Form. If --parentId is specified, this value is ignored.
• --title <title>: A project title.
• --rootDir <dir>: Local directory in which clasp will store your project files. If not specified, clasp will default to the current directory.
• --parentId <id>: A project parent Id.
  • The Drive ID of a parent file that the created script project is bound to. This is usually the ID of a Google Doc, Google Sheet, Google Form, or Google Slides file. If not set, a standalone script project is created.
  • i.e. https://docs.google.com/presentation/d/{id}/edit

Examples

• clasp create
• clasp create --type standalone (default)
• clasp create --type docs
• clasp create --type sheets
• clasp create --type slides
• clasp create --type forms
• clasp create --type webapp
• clasp create --type api
• clasp create --title "My Script"
• clasp create --rootDir ./dist
• clasp create --parentId "1D_Gxyv*****************************NXO7o"

These options can be combined like so:

• clasp create --title "My Script" --parentId "1D_Gxyv*****************************NXO7o" --rootDir ./dist

Clone

Clones the script project from script.google.com.

Options

• scriptId | scriptURL: The script ID or script URL to clone.
• --versionNumber <number>: The version of the script to clone.
• --rootDir <dir>: Local directory in which clasp will store your project files. If not specified, clasp will default to the current directory.

Examples

• clasp clone "15ImUCpyi1Jsd8yF8Z6wey_7cw793CymWTLxOqwMka3P1CzE5hQun6qiC"
• clasp clone "https://script.google.com/d/15ImUCpyi1Jsd8yF8Z6wey_7cw793CymWTLxOqwMka3P1CzE5hQun6qiC/edit"
• clasp clone "15ImUCpyi1Jsd8yF8Z6wey_7cw793CymWTLxOqwMka3P1CzE5hQun6qiC" --rootDir ./src

Pull

Fetches a project from either a provided or saved script ID. Updates local files with Apps Script project.

Options

• --versionNumber <number>: The version number of the project to retrieve.

Examples

• clasp pull
• clasp pull --versionNumber 23

Push

Force writes all local files to script.google.com.

Warning: Google scripts APIs do not currently support atomic nor per file operations. Thus the push command always replaces the whole content of the online project with the files being pushed.

Ignores files:

• That start with a .
• That don't have an accepted file extension
• That are ignored (filename matches a glob pattern in the .claspignore file)

Options

• -f --force: Forcibly overwrites the remote manifest.
• -w --watch: Watches local file changes. Pushes files every few seconds.

Examples

• clasp push
• clasp push -f
• clasp push --watch

Status

Lists files that will be written to the server on push.

Ignores files:

• That start with a .
• That don't have an accepted file extension
• That are ignored (filename matches a glob pattern in the ignore file)

Options

• --json: Show status in JSON form.

Examples

• clasp status
• clasp status --json

Open

Opens the current directory's clasp project on script.google.com. Provide a scriptId to open a different script. Can also open web apps.

Options

• [scriptId]: The optional script project to open.
• --webapp: Open web application in a browser.
• --creds: Open the URL to create credentials.
• --addon: List parent IDs and open the URL of the first one.
• --deploymentId <id>: Use custom deployment ID with --webapp.

Examples

• clasp open
• clasp open "15ImUCpyi1Jsd8yF8Z6wey_7cw793CymWTLxOqwMka3P1CzE5hQun6qiC"
• clasp open --webapp
• clasp open --creds
• clasp open --addon
• clasp open --webapp --deploymentId abcd1234

Deployments

List deployments of a script.

Examples

• clasp deployments

Deploy

Creates a version and deploys a script. The response gives the deployment ID and the version of the deployment.

For web apps, each deployment has a unique URL. To update/redeploy an existing deployment, provide the deployment ID.

Options

• -V <version> --versionNumber <version>: The project version to deploy at.
• -d <description> --description <description>: The deployment description.
• -i <id> --deploymentId <id>: The deployment ID to redeploy.

Examples

• clasp deploy (create new deployment and new version)
• clasp deploy --versionNumber 4 (create new deployment)
• clasp deploy --description "Updates sidebar logo." (deploy with description)
• clasp deploy --deploymentId abcd1234 (redeploy and create new version)
• clasp deploy -V 7 -d "Updates sidebar logo." -i abdc1234

Undeploy

Undeploys a deployment of a script.

Options

• [deploymentId]: An optional deployment ID.
• -a --all: Undeploy all deployments.

Examples

• clasp undeploy (undeploy the last deployment.)
• clasp undeploy "123"
• clasp undeploy --all

Version

Creates an immutable version of the script.

Options

• description: description The description of the script version.

Examples

• clasp version
• clasp version "Bump the version."

Versions

List versions of a script.

Examples

• clasp versions

List

Lists your most recent Apps Script projects.

Examples

• clasp list: Prints helloworld1 – xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ...

Advanced Commands

NOTE: These commands require Project ID/credentials setup (see below).

Logs

Prints out most recent the StackDriver logs. These are logs from console.log, not Logger.log.

Options

• --json: Output logs in json format.
• --open: Open StackDriver logs in a browser.
• --setup: Setup StackDriver logs.
• --watch: Retrieves the newest logs every 5 seconds.
• --simplified: Removes timestamps from the logs.

Examples

clasp logs
ERROR Sat Apr 07 2019 10:58:31 GMT-0700 (PDT) myFunction      my log error
INFO  Sat Apr 07 2019 10:58:31 GMT-0700 (PDT) myFunction      info message

• clasp logs --json
• clasp logs --open
• clasp logs --watch
• clasp logs --simplified

Run

Remotely executes an Apps Script function.

The complete step-by-step information on how to use clasp run is available here: Run
Below is a short summary:

1. Log in with your credentials (clasp login --creds creds.json), see: Run - Prerequisites
2. Deploy the Script as an API executable (Easiest done via GUI at the moment).
3. Enable any APIs that are used by the script, see: Run - Function with Scopes
4. Have the following in your appsscript.json. Be sure it's pushed:

"executionApi": {
  "access": "ANYONE"
}

Options

• <functionName>: The name of the function in the script that you want to run.
• --nondev: If true, runs the function in non-devMode.
• -p <paramString> --params <paramString>: A JSON string array of parameters to pass to the function

Examples

• clasp run 'sendEmail'
• clasp run 'addOptions' -p '["string", 123, {"test": "for"}, true]'

List/Enable/Disable Google APIs

List available APIs. Enables and disables Google APIs.

List APIs

Lists Google APIs that can be enabled as Advanced Services.

• clasp apis
• clasp apis list

Enable/Disable APIs

Enables or disables APIs with the Google Cloud project. These APIs are used via services like GmailApp and Advanced Services like BigQuery.

The API name can be found using clasp apis list.

• clasp apis enable drive
• clasp apis disable drive

Open APIs Console

Open the Google Cloud Console where you can view and manage API access.

• clasp apis --open

Help

Displays the help function.

Examples

• clasp
• clasp help

Setting

Update .clasp.json settings file.

If settingKey is omitted it prints the current settings. If newValue is omitted it returns the current setting value.

Options

• settingKey: settingKey The key in .clasp.json you want to change
• newValue: newValue The new value for the setting

Examples

• clasp setting
• clasp setting scriptId
• clasp setting scriptId new-id

Guides

Ignore File (.claspignore)

Like .gitignore, .claspignore allows you to ignore files that you do not wish to not upload on clasp push. Steps:

1. Create a file called .claspignore in your project's root directory.
2. Add patterns to be excluded from clasp push. Note: The .claspignore patterns are applied by multimatch, which is different from .gitignore, especially for directories. To ignore a directory, use syntax like **/node_modules/**.

A sample .claspignore ignoring everything except the manifest and