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@googleworkspace/drive-picker-element

v0.4.1

Published

A web component for Google Drive Picker

Downloads

1,308

Readme

npm Test Release

Description

The Google Drive Picker web component offers a seamless way to integrate the Google Picker API into your web applications. This component is framework-agnostic, meaning it works effortlessly with React, Svelte, Vue, Angular, and more.

The Google Picker API is a JavaScript API that allows users to select or upload Google Drive files. This component acts as a "File Open" dialog, providing access to and interaction with files stored on Google Drive.

Explore the storybook demo to see the component in action.

See the framework specific demos:

Index

Install

Install using NPM or similar.

npm i @googleworkspace/drive-picker-element

A CDN version is also available. See the unpkg.

<script src="https://unpkg.com/@googleworkspace/drive-picker-element@0/dist/index.iife.min.js"></script>

Usage

To use the drive-picker component in your project, follow these steps:

Import the Component

First, import the drive-picker component in your JavaScript file:

import "@googleworkspace/drive-picker-element";

This isn't necessary if you're using the CDN version.

Add the Component to Your HTML

Next, add the drive-picker component to your HTML file. Replace YOUR_CLIENT_ID and YOUR_APP_ID with your actual client ID and app ID.

Note: You can find these values in the Google Cloud Console under "APIs & Services" > "Credentials". You can also follow this guide to create a new OAuth 2.0 client ID.

<drive-picker client-id="YOUR_CLIENT_ID" app-id="YOUR_APP_ID">
  <drive-picker-docs-view starred="true"></drive-picker-docs-view>
</drive-picker>

Note: If you wish to register the component with a different name, you can import the components individually and call customElements.define() manually:

import {
  DrivePickerElement,
  DrivePickerDocsViewElement,
} from "@googleworkspace/drive-picker-element/drive-picker";
customElements.define("custom-drive-picker", DrivePickerElement);
customElements.define(
  "custom-drive-picker-docs-view",
  DrivePickerDocsViewElement,
);

Use the oauth-token attribute

If you already have an OAuth token, you can pass it to the drive-picker component using the oauth-token attribute. This will authenticate the user without requiring them to sign in again.

<drive-picker app-id="YOUR_APP_ID" oauth-token="OAUTH_TOKEN"></drive-picker>

If you don't have an OAuth token, you can listen for the "picker:authenticated" event to get the token after the user has authenticated. This library wraps the Google Identity Servies library to make it easier to authenticate users.

Listening to Events

The drive-picker component emits several events that you can listen to. Here is an example of how to listen to these events:

<drive-picker client-id="YOUR_CLIENT_ID" app-id="YOUR_APP_ID">
  <drive-picker-docs-view starred="true"></drive-picker-docs-view>
</drive-picker>

<script>
  const element = document.querySelector("drive-picker");
  element.addEventListener("picker:authenticated", console.log);
  element.addEventListener("picker:picked", console.log);
  element.addEventListener("picker:canceled", console.log);
</script>

Event Details

Most of these events return the Picker ResponseObject as the event detail. For example, the "picker:picked" CustomEvent contains details about the selected files:

{
  "type": "picker:picked",
  "detail": {
    "action": "picked",
    "docs": [
      {
        "id": "OMITTED",
        "mimeType": "application/pdf",
        "name": "OMITTED",
        "url": "https://drive.google.com/file/d/OMITTED/view?usp=drive_web",
        "sizeBytes": 12345
        // ... other properties omitted
      }
    ]
  }
}

The "picker:authenticated" event returns the token as the event detail:

{
  "type": "picker:authenticated",
  "detail": {
    "token": "OMITTED"
  }
}

Controlling Visibility

To make the picker visible, set the visible property of the drive-picker element to true:

<drive-picker client-id="YOUR_CLIENT_ID" app-id="YOUR_APP_ID"></drive-picker>

<script>
  const element = document.querySelector("drive-picker");
  element.visible = true;
</script>

After the picker dialog has been closed, the visible property will be reset to false.

Support

To report issues or feature requests for the underlying Drive Picker, please use the Google Picker issue tracker. For all other issues, please use the GitHub issue tracker.

Reference

<drive-picker/>

The drive-picker web component provides a convenient way to declaratively build google.picker.Picker by using the component attributes mapped to the corresponding methods of google.picker.PickerBuilder.

Attributes

| Name | Type | Description | | ------------------------ | ----------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | app-id | string | The Google Drive app ID. See PickerBuilder.setAppId. | | client-id | string | The OAuth 2.0 client ID. See Using OAuth 2.0 to Access Google APIs. | | developer-key | string | The API key for accessing Google Picker API. See PickerBuilder.setDeveloperKey. | | hide-title-bar | "default"\|"true"\|"false" | Hides the title bar of the picker if set to true. See PickerBuilder.hideTitleBar. | | locale | string | The locale to use for the picker. See PickerBuilder.setLocale. | | max-items | number | The maximum number of items that can be selected. See PickerBuilder.setMaxItems. | | mine-only | boolean | If set to true, only shows files owned by the user. See PickerBuilder.enableFeature. | | multiselect | boolean | Enables multiple file selection if set to true. See PickerBuilder.enableFeature. | | nav-hidden | boolean | Hides the navigation pane if set to true. See PickerBuilder.enableFeature. | | oauth-token | string | The OAuth 2.0 token for authentication. See PickerBuilder.setOAuthToken. | | origin | string | The origin parameter for the picker. See PickerBuilder.setOrigin. | | relay-url | string | The relay URL for the picker. See PickerBuilder.setRelayUrl. | | scope | string | The OAuth 2.0 scope for the picker. The default is https://www.googleapis.com/auth/drive.file. See Drive API scopes. | | title | string | The title of the picker. See PickerBuilder.setTitle. | | hd | string | The hosted domain to restrict sign-in to. (Optional) See the hd field in the OpenID Connect docs. | | include-granted-scopes | boolean | Enables applications to use incremental authorization. See TokenClientConfig.include_granted_scopes. | | login-hint | string | An email address or an ID token 'sub' value. Google will use the value as a hint of which user to sign in. See the login_hint field in the OpenID Connect docs. | | prompt | ""\|"none"\|"consent"\|"select_account" | A space-delimited, case-sensitive list of prompts to present the user. See TokenClientConfig.prompt |

Events

| Name | Type | Description | | ----------------------- | -------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | picker:oauth:error | google.accounts.oauth2.ClientConfigError\|google.accounts.oauth2.TokenResponse | Triggered when an error occurs in the OAuth flow. See the error guide. Note that the TokenResponse object can have error fields. | | picker:oauth:response | google.accounts.oauth2.TokenResponse | Triggered when an OAuth flow completes. See the token model guide. | | picker:canceled | google.picker.ResponseObject | Triggered when the user cancels the picker dialog. See ResponseObject. | | picker:picked | google.picker.ResponseObject | Triggered when the user picks one or more items. See ResponseObject. | | picker:error | google.picker.ResponseObject | Triggered when an error occurs. See ResponseObject. |

Slots

| Name | Description | | ------- | ---------------------------------------------------------------------------------------------------------------------------------------------------- | | default | The default slot contains View elements to display in the picker. Each View element should implement a property view of type google.picker.View. |

Properties

| Name | Type | Description | | ------------------- | --------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | visible | boolean | Controls the visibility of the picker after the picker dialog has been closed. If any of the attributes change, the picker will be rebuilt and the visibility will be reset. | | tokenClientConfig | `Omit< | |

	google.accounts.oauth2.TokenClientConfig,
	"callback" \| "error_callback" 	>` |                                                                                                                                                                                      |

<drive-picker-docs-view/>

The drive-picker-docs-view element is used to define a google.picker.DocsView.

Attributes

| Name | Type | Description | | ----------------------- | ---------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | enable-drives | "default"\|"true"\|"false" | Whether to allow the user to select files from shared drives. See DocsView.enableDrives. | | include-folders | "default"\|"true"\|"false" | Whether to include folders in the view. See DocsView.includeFolders. | | mime-types | string | A comma-separated list of MIME types to filter the view. See View.setMimeTypes. | | mode | string | The mode of the view. See DocsViewMode. | | owned-by-me | "default"\|"true"\|"false" | Whether to show files owned by the user. See DocsView.ownedByMe. | | parent | string | The ID of the folder to view. See DocsView.setParent. | | query | string | The query string to filter the view. See View.setQuery. | | select-folder-enabled | "default"\|"true"\|"false" | Whether to allow the user to select folders. See DocsView.selectFolderEnabled. | | starred | "default"\|"true"\|"false" | Whether to show starred files. See DocsView.starred. | | view-id | string | The keyof typeof google.picker.ViewId. For example, "DOCS", which is equivalent to google.picker.ViewId.DOCS. See ViewId. |

Properties

| Name | Type | Description | | ------ | ------------------------ | ------------------------------------------------------------------------ | | view | google.picker.DocsView | Gets the Google Drive Picker view based on the current attribute values. |