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chore: add codemod for custom http headers (#369)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| import { fileURLToPath } from 'node:url'; | ||
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| import fs from 'fs'; | ||
| import path from 'path'; | ||
| import { Project } from 'ts-morph'; | ||
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| const __dirname = path.dirname(fileURLToPath(import.meta.url)); | ||
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| function addHttpClientHeaderHandler(project: Project) { | ||
| const file = project.getSourceFileOrThrow('./src/http/client.ts'); | ||
| const httpClient = file.getClassOrThrow('HttpClient'); | ||
| const constructor = httpClient.getConstructors()[0]; | ||
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| const importPath = './handlers/mb-header-handler'; | ||
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| const existingImport = file.getImportDeclaration((dec) => { | ||
| return dec.getModuleSpecifierValue() === importPath; | ||
| }); | ||
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| if (!existingImport) { | ||
| file.addImportDeclaration({ | ||
| moduleSpecifier: importPath, | ||
| namedImports: [{ name: 'HeaderHandler' }], | ||
| }); | ||
| } | ||
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| const newHandlerLine = 'this.requestHandlerChain.addHandler(new HeaderHandler());'; | ||
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| const alreadyHasHandler = constructor.getStatements().some((statement) => { | ||
| return statement.getText() === newHandlerLine; | ||
| }); | ||
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| if (!alreadyHasHandler) { | ||
| constructor.insertStatements(0, newHandlerLine); | ||
| } | ||
| } | ||
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| function addHeaderHandlerFile(project: Project) { | ||
| const sourceFilePath = path.join(__dirname, 'mods', 'mb-header-handler.ts'); | ||
| const targetFilePath = './src/http/handlers/mb-header-handler.ts'; | ||
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| const contents = fs.readFileSync(sourceFilePath, { encoding: 'utf-8' }); | ||
| const file = project.createSourceFile(targetFilePath, contents, { overwrite: true }); | ||
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| // fix import paths | ||
| file.getImportDeclarations().forEach((dec) => { | ||
| const moduleSpecifierValue = dec.getModuleSpecifierValue(); | ||
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| const newModuleSpecifierValue = path.relative( | ||
| path.dirname(targetFilePath), | ||
| path.resolve(path.dirname(sourceFilePath), moduleSpecifierValue), | ||
| ); | ||
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| dec.setModuleSpecifier(newModuleSpecifierValue); | ||
| }); | ||
| } | ||
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| function addHeadersToSdkConfig(project: Project) { | ||
| const file = project.getSourceFileOrThrow('./src/http/types.ts'); | ||
| const sdkConfig = file.getInterfaceOrThrow('SdkConfig'); | ||
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| if (!sdkConfig.getProperty('headers')) { | ||
| sdkConfig.addProperty({ | ||
| name: 'headers', | ||
| type: 'Record<string, string>', | ||
| hasQuestionToken: true, | ||
| }); | ||
| } | ||
| } | ||
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| export async function applyCodeMods() { | ||
| const project = new Project({ | ||
| tsConfigFilePath: path.join(__dirname, '..', 'tsconfig.build.json'), | ||
| }); | ||
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| addHeaderHandlerFile(project); | ||
| addHttpClientHeaderHandler(project); | ||
| addHeadersToSdkConfig(project); | ||
| await project.save(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| import { SerializationStyle } from '../../src/http/serialization/base-serializer'; | ||
| import { Request } from '../../src/http/transport/request'; | ||
| import { HttpResponse, RequestHandler } from '../../src/http/types'; | ||
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| export class HeaderHandler implements RequestHandler { | ||
| next?: RequestHandler; | ||
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| async handle<T>(request: Request<T>): Promise<HttpResponse<T>> { | ||
| if (!this.next) { | ||
| throw new Error(`No next handler set in ${HeaderHandler.name}`); | ||
| } | ||
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| const requestWithHeaders = this.addHeaders(request); | ||
| return this.next?.handle(requestWithHeaders); | ||
| } | ||
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| private addHeaders<T>(request: Request<T>): Request<T> { | ||
| const { headers } = request.config as any; | ||
| if (typeof headers !== 'object') { | ||
| return request; | ||
| } | ||
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| for (const [key, value] of Object.entries(headers)) { | ||
| request.addHeaderParam(key, { | ||
| key: key, | ||
| value: value, | ||
| explode: false, | ||
| encode: false, | ||
| style: SerializationStyle.SIMPLE, | ||
| }); | ||
| } | ||
|
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| return request; | ||
| } | ||
| } |
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