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Support autogenerated webhooks pages in Article API (#58870)
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‎src/article-api/templates/webhooks-page.template.md‎

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# {{ page.title }}
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{% if page.intro %}
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{{ page.intro }}
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{% endif %}
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{% if manualContent %}
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{{ manualContent }}
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{% endif %}
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{% for webhook in webhooks %}
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## {{ webhook.name }}
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**Available actions:** {% for actionType in webhook.actionTypes %}{% if forloop.last and forloop.length > 1 %}and {% endif %}`{{ actionType }}`{% unless forloop.last %}{% if forloop.length > 2 %}, {% else %} {% endif %}{% endunless %}{% endfor %}
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{% if webhook.data.descriptionHtml %}
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{{ webhook.data.descriptionHtml }}
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{% endif %}
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**Availability:** {% for availability in webhook.data.availability %}{% if forloop.last and forloop.length > 1 %}and {% endif %}`{{ availability }}`{% unless forloop.last %}{% if forloop.length > 2 %}, {% else %} {% endif %}{% endunless %}{% endfor %}
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{% endfor %}

‎src/article-api/tests/webhooks-transformer.ts‎

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import { beforeAll, describe, expect, test } from 'vitest'
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import { get } from '@/tests/helpers/e2etest'
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function makeURL(pathname: string, queryParams?: Record<string, string>) {
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const params = new URLSearchParams(queryParams || {})
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const queryString = params.toString()
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return `/api/article/body?pathname=${encodeURIComponent(pathname)}${queryString ? `&${queryString}` : ''}`
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}
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describe('Webhooks transformer', () => {
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beforeAll(() => {
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if (!process.env.ROOT) {
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console.warn(
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'WARNING: The Webhooks transformer tests require the ROOT environment variable to be set to the fixture root',
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)
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}
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})
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test('webhook-events-and-payloads page renders with markdown structure', async () => {
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const res = await get(makeURL('/en/webhooks/webhook-events-and-payloads'))
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expect(res.statusCode).toBe(200)
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expect(res.headers['content-type']).toContain('text/markdown')
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// Should have title
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expect(res.body).toContain('# Webhook events and payloads')
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// Should have intro
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expect(res.body).toContain('Learn about when each webhook event occurs')
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})
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test('webhooks are formatted as sections with headers', async () => {
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const res = await get(makeURL('/en/webhooks/webhook-events-and-payloads'))
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expect(res.statusCode).toBe(200)
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// Check for webhook event headers (## webhook_name)
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expect(res.body).toMatch(/^## \w+/m)
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})
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test('webhooks show available actions', async () => {
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const res = await get(makeURL('/en/webhooks/webhook-events-and-payloads'))
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expect(res.statusCode).toBe(200)
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// Should list action types for webhooks with multiple actions
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expect(res.body).toContain('**Action type:**')
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})
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test('webhooks show availability information', async () => {
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const res = await get(makeURL('/en/webhooks/webhook-events-and-payloads'))
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expect(res.statusCode).toBe(200)
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// Should show availability as a heading
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expect(res.body).toContain('### Availability')
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})
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test('manual content is included', async () => {
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const res = await get(makeURL('/en/webhooks/webhook-events-and-payloads'))
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expect(res.statusCode).toBe(200)
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// Check for some known manual content from the markdown file
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expect(res.body).toContain('About webhook events and payloads')
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})
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test('intro is rendered', async () => {
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const res = await get(makeURL('/en/webhooks/webhook-events-and-payloads'))
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expect(res.statusCode).toBe(200)
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const introMatch = res.body.match(/^Learn about when each webhook event/m)
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expect(introMatch).toBeTruthy()
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})
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test('Liquid tags are rendered in content', async () => {
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const res = await get(makeURL('/en/webhooks/webhook-events-and-payloads'))
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expect(res.statusCode).toBe(200)
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// Check that data variables are rendered (not left as Liquid syntax)
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expect(res.body).not.toContain('{% data')
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expect(res.body).not.toContain('{{')
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})
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test('AUTOTITLE links are resolved', async () => {
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const res = await get(makeURL('/en/webhooks/webhook-events-and-payloads'))
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expect(res.statusCode).toBe(200)
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// AUTOTITLE should be replaced with actual titles
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expect(res.body).not.toContain('[AUTOTITLE]')
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})
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test('webhooks show payload parameters table', async () => {
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const res = await get(makeURL('/en/webhooks/webhook-events-and-payloads'))
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expect(res.statusCode).toBe(200)
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// Should show payload object parameters section
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expect(res.body).toContain('### Webhook payload object')
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expect(res.body).toContain('#### Webhook payload object parameters')
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// Should have a markdown table with parameter columns
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expect(res.body).toContain('| Name | Type | Description |')
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})
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test('webhooks show descriptions', async () => {
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const res = await get(makeURL('/en/webhooks/webhook-events-and-payloads'))
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expect(res.statusCode).toBe(200)
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// Should include webhook descriptions (converted from HTML to plain text)
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// Using actual descriptions from real webhook data
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expect(res.body).toContain('A check run was completed')
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})
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test('webhooks show body parameters in table', async () => {
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const res = await get(makeURL('/en/webhooks/webhook-events-and-payloads'))
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expect(res.statusCode).toBe(200)
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// Should show parameter names and types in tables
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expect(res.body).toContain('`action`')
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expect(res.body).toContain('`string`')
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expect(res.body).toContain('`object`')
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// Should mark required parameters
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expect(res.body).toContain('**Required.**')
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})
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test('webhooks show payload examples when available', async () => {
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const res = await get(makeURL('/en/webhooks/webhook-events-and-payloads'))
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expect(res.statusCode).toBe(200)
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// NOTE: The current webhook source data does not include payloadExample fields,
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// so this section won't appear in the output. The transformer code (lines 115-120)
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// is ready to display payload examples if/when they are added to the source data.
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// For now, we just verify the transformer doesn't crash on missing examples.
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expect(res.statusCode).toBe(200)
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})
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test('Non-webhooks pages are not transformed', async () => {
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const res = await get(makeURL('/en/get-started/start-your-journey/hello-world'))
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expect(res.statusCode).toBe(200)
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// Regular pages should not be transformed by webhooks transformer
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// They should have their normal HTML-like structure
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expect(res.body).toContain('Hello World')
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})
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})

‎src/article-api/transformers/index.ts‎

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import { CodeQLCliTransformer } from './codeql-cli-transformer'
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import { AuditLogsTransformer } from './audit-logs-transformer'
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import { GraphQLTransformer } from './graphql-transformer'
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import { WebhooksTransformer } from './webhooks-transformer'
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/**
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* Global transformer registry
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transformerRegistry.register(new CodeQLCliTransformer())
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transformerRegistry.register(new AuditLogsTransformer())
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transformerRegistry.register(new GraphQLTransformer())
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transformerRegistry.register(new WebhooksTransformer())
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export { TransformerRegistry } from './types'
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export type { PageTransformer } from './types'

‎src/article-api/transformers/webhooks-transformer.ts‎

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import type { Context, Page } from '@/types'
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import type { PageTransformer } from './types'
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import { renderContent } from '@/content-render/index'
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import { fastTextOnly } from '@/content-render/unified/text-only'
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import matter from '@gr2m/gray-matter'
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/**
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* Transformer for Webhooks pages.
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* Converts webhook events and payloads into markdown format.
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*/
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export class WebhooksTransformer implements PageTransformer {
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canTransform(page: Page): boolean {
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return page.autogenerated === 'webhooks'
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}
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async transform(page: Page, pathname: string, context: Context): Promise<string> {
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// Import getInitialPageWebhooks dynamically to avoid circular dependencies
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const { getInitialPageWebhooks } = await import('@/webhooks/lib/index')
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// Extract version from context
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const currentVersion = context.currentVersion!
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// Get the webhook data
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const webhooksData = await getInitialPageWebhooks(currentVersion)
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// Prepare page intro
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const intro = page.intro ? await page.renderProp('intro', context, { textOnly: true }) : ''
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// Build the page header manually to avoid Context type conflicts
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let headerMarkdown = `# ${page.title}\n\n`
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if (intro) {
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headerMarkdown += `${intro}\n\n`
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}
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// Prepare manual content
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let manualContent = ''
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if (page.markdown) {
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const { content } = matter(page.markdown)
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const markerIndex = content.indexOf(
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'<!-- Content after this section is automatically generated -->',
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)
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if (markerIndex > 0) {
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const manualMarkdown = content.substring(0, markerIndex).trim()
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if (manualMarkdown) {
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manualContent = await renderContent(manualMarkdown, {
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...context,
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markdownRequested: true,
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})
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}
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}
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}
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// Build webhooks sections manually
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let webhooksMarkdown = ''
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for (const webhook of webhooksData) {
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webhooksMarkdown += `## ${webhook.name}\n\n`
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// Summary if available
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if (webhook.data.summaryHtml) {
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const summaryText = fastTextOnly(webhook.data.summaryHtml)
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webhooksMarkdown += `${summaryText}\n\n`
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}
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// Availability
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if (webhook.data.availability && webhook.data.availability.length > 0) {
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webhooksMarkdown += '### Availability\n\n'
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for (const avail of webhook.data.availability) {
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webhooksMarkdown += `- \`${avail}\`\n`
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}
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webhooksMarkdown += '\n'
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}
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// Webhook payload object section
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webhooksMarkdown += '### Webhook payload object\n\n'
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// Available actions
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if (webhook.actionTypes.length > 1) {
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webhooksMarkdown += '**Action type:** '
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const actions = webhook.actionTypes.map((a) => `\`${a}\``).join(', ')
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webhooksMarkdown += `${actions}\n\n`
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}
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// Description if available
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if (webhook.data.descriptionHtml) {
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const descriptionText = fastTextOnly(webhook.data.descriptionHtml)
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webhooksMarkdown += `${descriptionText}\n\n`
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}
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// Body parameters (payload structure)
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if (webhook.data.bodyParameters && webhook.data.bodyParameters.length > 0) {
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webhooksMarkdown += '#### Webhook payload object parameters\n\n'
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webhooksMarkdown += '| Name | Type | Description |\n'
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webhooksMarkdown += '|------|------|-------------|\n'
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for (const param of webhook.data.bodyParameters) {
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const name = param.name ? `\`${param.name}\`` : ''
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const type = param.type ? `\`${param.type}\`` : ''
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// Convert HTML description to plain text
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let desc = param.description || ''
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if (desc) {
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desc = fastTextOnly(desc).replace(/\n/g, ' ').trim()
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}
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// Add required indicator
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if (param.isRequired) {
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desc = `**Required.** ${desc}`
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}
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webhooksMarkdown += `| ${name} | ${type} | ${desc} |\n`
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}
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webhooksMarkdown += '\n'
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}
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// Payload example if available
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if (webhook.data.payloadExample) {
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webhooksMarkdown += '### Webhook payload example\n\n'
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webhooksMarkdown += '```json\n'
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webhooksMarkdown += JSON.stringify(webhook.data.payloadExample, null, 2)
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webhooksMarkdown += '\n```\n\n'
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}
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}
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return `${headerMarkdown + manualContent}\n\n${webhooksMarkdown}`
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}
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}

‎src/fixtures/fixtures/src/webhooks/data/fpt/schema.json‎

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{
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"check_run": {
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"completed": {
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"descriptionHtml": "<p>Check run is <strong>completed</strong>.</p>",
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"summaryHtml": "",
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"bodyParameters": [
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{
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"name": "action",
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"description": "The action performed. Value: <code>completed</code>",
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"isRequired": true,
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"type": "string"
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},
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{
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"name": "check_run",
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"description": "The check run object",
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"isRequired": true,
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"type": "object"
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}
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],
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"availability": ["Repository", "Organization", "GitHub App"],
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"action": "completed",
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"category": "check_run",
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"payloadExample": {
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"action": "completed",
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"check_run": {
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"id": 4,
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"status": "completed",
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"conclusion": "neutral"
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}
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}
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}
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},
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"issues": {
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"opened": {
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"descriptionHtml": "<p>Issue is <em>opened</em>.</p>",
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"summaryHtml": "",
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"bodyParameters": [
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{
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"name": "action",
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"description": "The action performed",
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"isRequired": true,
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"type": "string"
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},
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{
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"name": "issue",
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"description": "The issue object",
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"isRequired": false,
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"type": "object"
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}
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],
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"availability": ["Repository", "Organization"],
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"action": "opened",
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"category": "issues"
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}
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}
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}

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