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feat: add typescript headers generation (#162)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| import { | ||
| OutputModel, | ||
| TS_COMMON_PRESET, | ||
| TS_DESCRIPTION_PRESET, | ||
| TypeScriptFileGenerator | ||
| } from '@asyncapi/modelina'; | ||
| import {AsyncAPIDocumentInterface} from '@asyncapi/parser'; | ||
| import {GenericCodegenContext, HeadersRenderType} from '../../types'; | ||
| import {z} from 'zod'; | ||
| import {defaultCodegenTypescriptModelinaOptions, pascalCase} from './utils'; | ||
|
|
||
| export const zodTypescriptHeadersGenerator = z.object({ | ||
| id: z.string().optional().default('headers-typescript'), | ||
| dependencies: z.array(z.string()).optional().default([]), | ||
| preset: z.literal('headers').default('headers'), | ||
| outputPath: z.string().default('src/__gen__/headers'), | ||
| serializationType: z.literal('json').optional().default('json'), | ||
| language: z.literal('typescript').optional().default('typescript') | ||
| }); | ||
|
|
||
| export type TypescriptHeadersGenerator = z.input< | ||
| typeof zodTypescriptHeadersGenerator | ||
| >; | ||
| export type TypescriptHeadersGeneratorInternal = z.infer< | ||
| typeof zodTypescriptHeadersGenerator | ||
| >; | ||
|
|
||
| export const defaultTypeScriptHeadersOptions: TypescriptHeadersGenerator = | ||
| zodTypescriptHeadersGenerator.parse({}); | ||
|
|
||
| export interface TypescriptHeadersContext extends GenericCodegenContext { | ||
| inputType: 'asyncapi'; | ||
| asyncapiDocument?: AsyncAPIDocumentInterface; | ||
| generator: TypescriptHeadersGeneratorInternal; | ||
| } | ||
|
|
||
| export type TypeScriptHeadersRenderType = HeadersRenderType; | ||
|
|
||
| export async function generateTypescriptHeaders( | ||
| context: TypescriptHeadersContext | ||
| ): Promise<TypeScriptHeadersRenderType> { | ||
| const {asyncapiDocument, inputType, generator} = context; | ||
| if (inputType === 'asyncapi' && asyncapiDocument === undefined) { | ||
| throw new Error('Expected AsyncAPI input, was not given'); | ||
| } | ||
| const modelinaGenerator = new TypeScriptFileGenerator({ | ||
| ...defaultCodegenTypescriptModelinaOptions, | ||
| enumType: 'union', | ||
| useJavascriptReservedKeywords: false, | ||
| presets: [ | ||
| TS_DESCRIPTION_PRESET, | ||
| { | ||
| preset: TS_COMMON_PRESET, | ||
| options: { | ||
| marshalling: true | ||
| } | ||
| }, | ||
| ] | ||
| }); | ||
| const returnType: Record<string, OutputModel | undefined> = {}; | ||
| for (const channel of asyncapiDocument!.allChannels().all()) { | ||
| const messages = channel.messages().all(); | ||
| for (const message of messages) { | ||
| if (message.hasHeaders()) { | ||
| const schemaObj: any = { | ||
| additionalProperties: false, | ||
| ...message.headers()?.json(), | ||
| type: 'object', | ||
| $id: pascalCase(`${message.id()}_headers`), | ||
| $schema: 'http://json-schema.org/draft-07/schema' | ||
| }; | ||
| const models = await modelinaGenerator.generateToFiles( | ||
| schemaObj, | ||
| generator.outputPath, | ||
| {exportType: 'named'}, | ||
| true | ||
| ); | ||
| returnType[channel.id()] = models[0]; | ||
| } else { | ||
| returnType[channel.id()] = undefined; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return { | ||
| channelModels: returnType, | ||
| generator | ||
| }; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| /** @type {import("@the-codegen-project/cli").TheCodegenConfiguration} TheCodegenConfiguration **/ | ||
| export default { | ||
| inputType: 'asyncapi', | ||
| inputPath: 'asyncapi.json', | ||
| language: 'typescript', | ||
| generators: [ | ||
| { | ||
| preset: 'headers', | ||
| outputPath: './', | ||
| serializationType: 'json', | ||
| } | ||
| ] | ||
| }; |
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