chore: generate sdk into packages/sdk

packages/sdk/src/core/README.md

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+# `core`
+
+This directory holds public modules implementing non-resource-specific SDK functionality.

packages/sdk/src/core/api-promise.ts

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+// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+
+import { type Opencode } from '../client';
+
+import { type PromiseOrValue } from '../internal/types';
+import { APIResponseProps, defaultParseResponse } from '../internal/parse';
+
+/**
+ * A subclass of `Promise` providing additional helper methods
+ * for interacting with the SDK.
+ */
+export class APIPromise<T> extends Promise<T> {
+  private parsedPromise: Promise<T> | undefined;
+  #client: Opencode;
+
+  constructor(
+    client: Opencode,
+    private responsePromise: Promise<APIResponseProps>,
+    private parseResponse: (
+      client: Opencode,
+      props: APIResponseProps,
+    ) => PromiseOrValue<T> = defaultParseResponse,
+  ) {
+    super((resolve) => {
+      // this is maybe a bit weird but this has to be a no-op to not implicitly
+      // parse the response body; instead .then, .catch, .finally are overridden
+      // to parse the response
+      resolve(null as any);
+    });
+    this.#client = client;
+  }
+
+  _thenUnwrap<U>(transform: (data: T, props: APIResponseProps) => U): APIPromise<U> {
+    return new APIPromise(this.#client, this.responsePromise, async (client, props) =>
+      transform(await this.parseResponse(client, props), props),
+    );
+  }
+
+  /**
+   * Gets the raw `Response` instance instead of parsing the response
+   * data.
+   *
+   * If you want to parse the response body but still get the `Response`
+   * instance, you can use {@link withResponse()}.
+   *
+   * 👋 Getting the wrong TypeScript type for `Response`?
+   * Try setting `"moduleResolution": "NodeNext"` or add `"lib": ["DOM"]`
+   * to your `tsconfig.json`.
+   */
+  asResponse(): Promise<Response> {
+    return this.responsePromise.then((p) => p.response);
+  }
+
+  /**
+   * Gets the parsed response data and the raw `Response` instance.
+   *
+   * If you just want to get the raw `Response` instance without parsing it,
+   * you can use {@link asResponse()}.
+   *
+   * 👋 Getting the wrong TypeScript type for `Response`?
+   * Try setting `"moduleResolution": "NodeNext"` or add `"lib": ["DOM"]`
+   * to your `tsconfig.json`.
+   */
+  async withResponse(): Promise<{ data: T; response: Response }> {
+    const [data, response] = await Promise.all([this.parse(), this.asResponse()]);
+    return { data, response };
+  }
+
+  private parse(): Promise<T> {
+    if (!this.parsedPromise) {
+      this.parsedPromise = this.responsePromise.then((data) => this.parseResponse(this.#client, data));
+    }
+    return this.parsedPromise;
+  }
+
+  override then<TResult1 = T, TResult2 = never>(
+    onfulfilled?: ((value: T) => TResult1 | PromiseLike<TResult1>) | undefined | null,
+    onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | undefined | null,
+  ): Promise<TResult1 | TResult2> {
+    return this.parse().then(onfulfilled, onrejected);
+  }
+
+  override catch<TResult = never>(
+    onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | undefined | null,
+  ): Promise<T | TResult> {
+    return this.parse().catch(onrejected);
+  }
+
+  override finally(onfinally?: (() => void) | undefined | null): Promise<T> {
+    return this.parse().finally(onfinally);
+  }
+}

packages/sdk/src/core/error.ts

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+// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+
+import { castToError } from '../internal/errors';
+
+export class OpencodeError extends Error {}
+
+export class APIError<
+  TStatus extends number | undefined = number | undefined,
+  THeaders extends Headers | undefined = Headers | undefined,
+  TError extends Object | undefined = Object | undefined,
+> extends OpencodeError {
+  /** HTTP status for the response that caused the error */
+  readonly status: TStatus;
+  /** HTTP headers for the response that caused the error */
+  readonly headers: THeaders;
+  /** JSON body of the response that caused the error */
+  readonly error: TError;
+
+  constructor(status: TStatus, error: TError, message: string | undefined, headers: THeaders) {
+    super(`${APIError.makeMessage(status, error, message)}`);
+    this.status = status;
+    this.headers = headers;
+    this.error = error;
+  }
+
+  private static makeMessage(status: number | undefined, error: any, message: string | undefined) {
+    const msg =
+      error?.message ?
+        typeof error.message === 'string' ?
+          error.message
+        : JSON.stringify(error.message)
+      : error ? JSON.stringify(error)
+      : message;
+
+    if (status && msg) {
+      return `${status} ${msg}`;
+    }
+    if (status) {
+      return `${status} status code (no body)`;
+    }
+    if (msg) {
+      return msg;
+    }
+    return '(no status code or body)';
+  }
+
+  static generate(
+    status: number | undefined,
+    errorResponse: Object | undefined,
+    message: string | undefined,
+    headers: Headers | undefined,
+  ): APIError {
+    if (!status || !headers) {
+      return new APIConnectionError({ message, cause: castToError(errorResponse) });
+    }
+
+    const error = errorResponse as Record<string, any>;
+
+    if (status === 400) {
+      return new BadRequestError(status, error, message, headers);
+    }
+
+    if (status === 401) {
+      return new AuthenticationError(status, error, message, headers);
+    }
+
+    if (status === 403) {
+      return new PermissionDeniedError(status, error, message, headers);
+    }
+
+    if (status === 404) {
+      return new NotFoundError(status, error, message, headers);
+    }
+
+    if (status === 409) {
+      return new ConflictError(status, error, message, headers);
+    }
+
+    if (status === 422) {
+      return new UnprocessableEntityError(status, error, message, headers);
+    }
+
+    if (status === 429) {
+      return new RateLimitError(status, error, message, headers);
+    }
+
+    if (status >= 500) {
+      return new InternalServerError(status, error, message, headers);
+    }
+
+    return new APIError(status, error, message, headers);
+  }
+}
+
+export class APIUserAbortError extends APIError<undefined, undefined, undefined> {
+  constructor({ message }: { message?: string } = {}) {
+    super(undefined, undefined, message || 'Request was aborted.', undefined);
+  }
+}
+
+export class APIConnectionError extends APIError<undefined, undefined, undefined> {
+  constructor({ message, cause }: { message?: string | undefined; cause?: Error | undefined }) {
+    super(undefined, undefined, message || 'Connection error.', undefined);
+    // in some environments the 'cause' property is already declared
+    // @ts-ignore
+    if (cause) this.cause = cause;
+  }
+}
+
+export class APIConnectionTimeoutError extends APIConnectionError {
+  constructor({ message }: { message?: string } = {}) {
+    super({ message: message ?? 'Request timed out.' });
+  }
+}
+
+export class BadRequestError extends APIError<400, Headers> {}
+
+export class AuthenticationError extends APIError<401, Headers> {}
+
+export class PermissionDeniedError extends APIError<403, Headers> {}
+
+export class NotFoundError extends APIError<404, Headers> {}
+
+export class ConflictError extends APIError<409, Headers> {}
+
+export class UnprocessableEntityError extends APIError<422, Headers> {}
+
+export class RateLimitError extends APIError<429, Headers> {}
+
+export class InternalServerError extends APIError<number, Headers> {}

packages/sdk/src/core/resource.ts

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+// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+
+import type { Opencode } from '../client';
+
+export abstract class APIResource {
+  protected _client: Opencode;
+
+  constructor(client: Opencode) {
+    this._client = client;
+  }
+}

packages/sdk/src/core/streaming.ts

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+import { OpencodeError } from './error';
+import { type ReadableStream } from '../internal/shim-types';
+import { makeReadableStream } from '../internal/shims';
+import { findDoubleNewlineIndex, LineDecoder } from '../internal/decoders/line';
+import { ReadableStreamToAsyncIterable } from '../internal/shims';
+import { isAbortError } from '../internal/errors';
+import { encodeUTF8 } from '../internal/utils/bytes';
+import { loggerFor } from '../internal/utils/log';
+import type { Opencode } from '../client';
+
+type Bytes = string | ArrayBuffer | Uint8Array | null | undefined;
+
+export type ServerSentEvent = {
+  event: string | null;
+  data: string;
+  raw: string[];
+};
+
+export class Stream<Item> implements AsyncIterable<Item> {
+  controller: AbortController;
+  #client: Opencode | undefined;
+
+  constructor(
+    private iterator: () => AsyncIterator<Item>,
+    controller: AbortController,
+    client?: Opencode,
+  ) {
+    this.controller = controller;
+    this.#client = client;
+  }
+
+  static fromSSEResponse<Item>(
+    response: Response,
+    controller: AbortController,
+    client?: Opencode,
+  ): Stream<Item> {
+    let consumed = false;
+    const logger = client ? loggerFor(client) : console;
+
+    async function* iterator(): AsyncIterator<Item, any, undefined> {
+      if (consumed) {
+        throw new OpencodeError('Cannot iterate over a consumed stream, use `.tee()` to split the stream.');
+      }
+      consumed = true;
+      let done = false;
+      try {
+        for await (const sse of _iterSSEMessages(response, controller)) {
+          try {
+            yield JSON.parse(sse.data);
+          } catch (e) {
+            logger.error(`Could not parse message into JSON:`, sse.data);
+            logger.error(`From chunk:`, sse.raw);
+            throw e;
+          }
+        }
+        done = true;
+      } catch (e) {
+        // If the user calls `stream.controller.abort()`, we should exit without throwing.
+        if (isAbortError(e)) return;
+        throw e;
+      } finally {
+        // If the user `break`s, abort the ongoing request.
+        if (!done) controller.abort();
+      }
+    }
+
+    return new Stream(iterator, controller, client);
+  }
+
+  /**
+   * Generates a Stream from a newline-separated ReadableStream
+   * where each item is a JSON value.
+   */
+  static fromReadableStream<Item>(
+    readableStream: ReadableStream,
+    controller: AbortController,
+    client?: Opencode,
+  ): Stream<Item> {
+    let consumed = false;
+
+    async function* iterLines(): AsyncGenerator<string, void, unknown> {
+      const lineDecoder = new LineDecoder();
+
+      const iter = ReadableStreamToAsyncIterable<Bytes>(readableStream);
+      for await (const chunk of iter) {
+        for (const line of lineDecoder.decode(chunk)) {
+          yield line;
+        }
+      }
+
+      for (const line of lineDecoder.flush()) {
+        yield line;
+      }
+    }
+
+    async function* iterator(): AsyncIterator<Item, any, undefined> {
+      if (consumed) {
+        throw new OpencodeError('Cannot iterate over a consumed stream, use `.tee()` to split the stream.');
+      }
+      consumed = true;
+      let done = false;
+      try {
+        for await (const line of iterLines()) {
+          if (done) continue;
+          if (line) yield JSON.parse(line);
+        }
+        done = true;
+      } catch (e) {
+        // If the user calls `stream.controller.abort()`, we should exit without throwing.
+        if (isAbortError(e)) return;
+        throw e;
+      } finally {
+        // If the user `break`s, abort the ongoing request.
+        if (!done) controller.abort();
+      }
+    }
+
+    return new Stream(iterator, controller, client);
+  }
+
+  [Symbol.asyncIterator](): AsyncIterator<Item> {
+    return this.iterator();
+  }
+
+  /**
+   * Splits the stream into two streams which can be
+   * independently read from at different speeds.
+   */
+  tee(): [Stream<Item>, Stream<Item>] {
+    const left: Array<Promise<IteratorResult<Item>>> = [];
+    const right: Array<Promise<IteratorResult<Item>>> = [];
+    const iterator = this.iterator();
+
+    const teeIterator = (queue: Array<Promise<IteratorResult<Item>>>): AsyncIterator<Item> => {
+      return {
+        next: () => {
+          if (queue.length === 0) {
+            const result = iterator.next();
+            left.push(result);
+            right.push(result);
+          }
+          return queue.shift()!;
+        },
+      };
+    };
+
+    return [
+      new Stream(() => teeIterator(left), this.controller, this.#client),
+      new Stream(() => teeIterator(right), this.controller, this.#client),
+    ];
+  }
+
+  /**
+   * Converts this stream to a newline-separated ReadableStream of
+   * JSON stringified values in the stream
+   * which can be turned back into a Stream with `Stream.fromReadableStream()`.
+   */
+  toReadableStream(): ReadableStream {
+    const self = this;
+    let iter: AsyncIterator<Item>;
+
+    return makeReadableStream({
+      async start() {
+        iter = self[Symbol.asyncIterator]();
+      },
+      async pull(ctrl: any) {
+        try {
+          const { value, done } = await iter.next();
+          if (done) return ctrl.close();
+
+          const bytes = encodeUTF8(JSON.stringify(value) + '\n');
+
+          ctrl.enqueue(bytes);
+        } catch (err) {
+          ctrl.error(err);
+        }
+      },
+      async cancel() {
+        await iter.return?.();
+      },
+    });
+  }
+}
+
+export async function* _iterSSEMessages(
+  response: Response,
+  controller: AbortController,
+): AsyncGenerator<ServerSentEvent, void, unknown> {
+  if (!response.body) {
+    controller.abort();
+    if (
+      typeof (globalThis as any).navigator !== 'undefined' &&
+      (globalThis as any).navigator.product === 'ReactNative'
+    ) {
+      throw new OpencodeError(
+        `The default react-native fetch implementation does not support streaming. Please use expo/fetch: https://docs.expo.dev/versions/latest/sdk/expo/#expofetch-api`,
+      );
+    }
+    throw new OpencodeError(`Attempted to iterate over a response with no body`);
+  }
+
+  const sseDecoder = new SSEDecoder();
+  const lineDecoder = new LineDecoder();
+
+  const iter = ReadableStreamToAsyncIterable<Bytes>(response.body);
+  for await (const sseChunk of iterSSEChunks(iter)) {
+    for (const line of lineDecoder.decode(sseChunk)) {
+      const sse = sseDecoder.decode(line);
+      if (sse) yield sse;
+    }
+  }
+
+  for (const line of lineDecoder.flush()) {
+    const sse = sseDecoder.decode(line);
+    if (sse) yield sse;
+  }
+}
+
+/**
+ * Given an async iterable iterator, iterates over it and yields full
+ * SSE chunks, i.e. yields when a double new-line is encountered.
+ */
+async function* iterSSEChunks(iterator: AsyncIterableIterator<Bytes>): AsyncGenerator<Uint8Array> {
+  let data = new Uint8Array();
+
+  for await (const chunk of iterator) {
+    if (chunk == null) {
+      continue;
+    }
+
+    const binaryChunk =
+      chunk instanceof ArrayBuffer ? new Uint8Array(chunk)
+      : typeof chunk === 'string' ? encodeUTF8(chunk)
+      : chunk;
+
+    let newData = new Uint8Array(data.length + binaryChunk.length);
+    newData.set(data);
+    newData.set(binaryChunk, data.length);
+    data = newData;
+
+    let patternIndex;
+    while ((patternIndex = findDoubleNewlineIndex(data)) !== -1) {
+      yield data.slice(0, patternIndex);
+      data = data.slice(patternIndex);
+    }
+  }
+
+  if (data.length > 0) {
+    yield data;
+  }
+}
+
+class SSEDecoder {
+  private data: string[];
+  private event: string | null;
+  private chunks: string[];
+
+  constructor() {
+    this.event = null;
+    this.data = [];
+    this.chunks = [];
+  }
+
+  decode(line: string) {
+    if (line.endsWith('\r')) {
+      line = line.substring(0, line.length - 1);
+    }
+
+    if (!line) {
+      // empty line and we didn't previously encounter any messages
+      if (!this.event && !this.data.length) return null;
+
+      const sse: ServerSentEvent = {
+        event: this.event,
+        data: this.data.join('\n'),
+        raw: this.chunks,
+      };
+
+      this.event = null;
+      this.data = [];
+      this.chunks = [];
+
+      return sse;
+    }
+
+    this.chunks.push(line);
+
+    if (line.startsWith(':')) {
+      return null;
+    }
+
+    let [fieldname, _, value] = partition(line, ':');
+
+    if (value.startsWith(' ')) {
+      value = value.substring(1);
+    }
+
+    if (fieldname === 'event') {
+      this.event = value;
+    } else if (fieldname === 'data') {
+      this.data.push(value);
+    }
+
+    return null;
+  }
+}
+
+function partition(str: string, delimiter: string): [string, string, string] {
+  const index = str.indexOf(delimiter);
+  if (index !== -1) {
+    return [str.substring(0, index), delimiter, str.substring(index + delimiter.length)];
+  }
+
+  return [str, '', ''];
+}

packages/sdk/src/core/uploads.ts

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+export { type Uploadable } from '../internal/uploads';
+export { toFile, type ToFileInput } from '../internal/to-file';