Add Pendo integration

integrations/pendo/gitbook-manifest.yaml

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+name: pendo
+title: Pendo
+icon: ./assets/icon.png
+previewImages:
+    - ./assets/preview-1.png
+    - ./assets/preview-2.png
+description: Plug your GitBook site to your Pendo Analytics instance.
+externalLinks:
+    - label: Documentation
+      url: https://www.gitbook.com/integrations/pendo
+visibility: private
+script: ./src/index.tsx
+# The following scope(s) are available only to GitBook Staff
+# See https://developer.gitbook.com/integrations/configurations#scopes
+scopes:
+    - site:script:inject
+organization: gitbook
+contentSecurityPolicy:
+    script-src: https://cdn.eu.pendo.io https://cdn.pendo.io
+summary: |
+    # Overview
+    This integration allows to add Pendo Analytics on your published GitBook site.
+
+    # How it works
+    The integration injects the Pendo Analytics script on your page, using the configured API Key, 
+    so that you can get analytics information from your GitBook site directly inside of Pendo.
+
+    # Configure
+    Install the integration on the GitBook site of your choice.
+    Locate the Pendo API Key you want to use from Pendo and paste it in the GitBook integration's configuration screen
+
+categories:
+    - analytics
+configurations:
+    site:
+        componentId: config
+target: site

integrations/pendo/package.json

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+{
+    "name": "@gitbook/integration-pendo",
+    "version": "0.0.1",
+    "private": true,
+    "dependencies": {
+        "@gitbook/api": "*",
+        "@gitbook/runtime": "*"
+    },
+    "devDependencies": {
+        "@gitbook/cli": "workspace:*",
+        "@gitbook/tsconfig": "workspace:*"
+    },
+    "scripts": {
+        "typecheck": "tsc --noEmit",
+        "publish-integrations-staging": "gitbook publish .",
+        "check": "gitbook check",
+        "publish-integrations": "gitbook publish ."
+    }
+}

integrations/pendo/src/index.tsx

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+import {
+    createIntegration,
+    FetchPublishScriptEventCallback,
+    RuntimeContext,
+    RuntimeEnvironment,
+    createComponent,
+} from '@gitbook/runtime';
+import { IntegrationInstallationConfiguration } from '@gitbook/api';
+
+import script from './script.raw.js';
+
+type PendoRuntimeContext = RuntimeContext<
+    RuntimeEnvironment<{}, PendoSiteInstallationConfiguration>
+>;
+type PendoRuntimeEnvironment = RuntimeEnvironment<{}, PendoSiteInstallationConfiguration>;
+
+type PendoSiteInstallationConfiguration = {
+    api_key?: string;
+    is_eu_region?: boolean;
+};
+
+type PendoState = PendoSiteInstallationConfiguration;
+
+type PendoProps = {
+    installation: {
+        configuration?: IntegrationInstallationConfiguration;
+    };
+    siteInstallation?: {
+        configuration?: PendoSiteInstallationConfiguration;
+    };
+};
+export type PendoAction = { action: 'save.config' };
+
+const configBlock = createComponent<PendoProps, PendoState, PendoAction, PendoRuntimeContext>({
+    componentId: 'config',
+    initialState: (props) => {
+        const siteInstallation = props.siteInstallation;
+        return {
+            api_key: siteInstallation?.configuration?.api_key || '',
+            is_eu_region: siteInstallation?.configuration?.is_eu_region || false,
+        };
+    },
+    action: async (element, action, context) => {
+        switch (action.action) {
+            case 'save.config':
+                const { api, environment } = context;
+                const siteInstallation = assertSiteInstallation(environment);
+
+                const configurationBody = {
+                    ...siteInstallation.configuration,
+                    api_key: element.state.api_key,
+                    is_eu_region: element.state.is_eu_region,
+                };
+
+                await api.integrations.updateIntegrationSiteInstallation(
+                    siteInstallation.integration,
+                    siteInstallation.installation,
+                    siteInstallation.site,
+                    {
+                        configuration: {
+                            ...configurationBody,
+                        },
+                    },
+                );
+
+                return { type: 'complete' };
+        }
+    },
+    render: async (element, context) => {
+        return (
+            <configuration>
+                <box>
+                    <markdown content="### Pendo Analytics" />
+                    <vstack>
+                        <input
+                            label="Pendo API Key"
+                            hint={<text>The Pendo API Key.</text>}
+                            element={<textinput state="api_key" placeholder="API Key" />}
+                        />
+                    </vstack>
+                    <divider size="medium" />
+
+                    <markdown content="### Region of your Pendo App" />
+                    <input
+                        label="Is your app in the EU Region"
+                        hint="Toggle on if your app is in EU Region"
+                        element={<switch state="is_eu_region" />}
+                    />
+
+                    <input
+                        label=""
+                        hint=""
+                        element={
+                            <button
+                                style="primary"
+                                disabled={false}
+                                label="Save"
+                                tooltip="Save configuration"
+                                onPress={{
+                                    action: 'save.config',
+                                }}
+                            />
+                        }
+                    />
+                </box>
+            </configuration>
+        );
+    },
+});
+
+function assertSiteInstallation(environment: PendoRuntimeEnvironment) {
+    const siteInstallation = environment.siteInstallation;
+    if (!siteInstallation) {
+        throw new Error('No site installation found');
+    }
+
+    return siteInstallation;
+}
+
+export const handleFetchEvent: FetchPublishScriptEventCallback = async (
+    event,
+    { environment }: PendoRuntimeContext,
+) => {
+    const apiKey = environment.siteInstallation?.configuration?.api_key;
+    const isEURegion = environment.siteInstallation?.configuration?.is_eu_region;
+    if (!apiKey) {
+        throw new Error(
+            `The API key is missing from the configuration (ID: ${
+                'spaceId' in event ? event.spaceId : event.siteId
+            }).`,
+        );
+    }
+    const region = isEURegion ? 'EU' : 'US';
+    return new Response(
+        (script as string).replace('<TO_REPLACE>', apiKey).replace('<REGION>', region),
+        {
+            headers: {
+                'Content-Type': 'application/javascript',
+                'Cache-Control': 'max-age=604800',
+            },
+        },
+    );
+};
+
+export default createIntegration<PendoRuntimeContext>({
+    fetch_published_script: handleFetchEvent,
+    components: [configBlock],
+});

integrations/pendo/src/script.raw.js

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+(function (apiKey) {
+    (function (p, e, n, d, o) {
+        var v, w, x, y, z;
+        o = p[d] = p[d] || {};
+        o._q = o._q || [];
+        v = ['initialize', 'identify', 'updateOptions', 'pageLoad', 'track'];
+        for (w = 0, x = v.length; w < x; ++w)
+            (function (m) {
+                o[m] =
+                    o[m] ||
+                    function () {
+                        o._q[m === v[0] ? 'unshift' : 'push'](
+                            [m].concat([].slice.call(arguments, 0)),
+                        );
+                    };
+            })(v[w]);
+        y = e.createElement(n);
+        y.async = !0;
+        var cdn;
+        cdn = '<REGION>' === 'EU' ? 'https://cdn.eu.pendo.io' : 'https://cdn.pendo.io';
+        y.src = `${cdn}/agent/static/` + apiKey + '/pendo.js';
+        z = e.getElementsByTagName(n)[0];
+        z.parentNode.insertBefore(y, z);
+    })(window, document, 'script', 'pendo');
+})('<TO_REPLACE>');

integrations/pendo/tsconfig.json

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+{
+    "extends": "@gitbook/tsconfig/integration.json"
+}