chore: generate sdk into packages/sdk

packages/sdk/src/internal/to-file.ts

@@ -0,0 +1,154 @@
+import { BlobPart, getName, makeFile, isAsyncIterable } from './uploads';
+import type { FilePropertyBag } from './builtin-types';
+import { checkFileSupport } from './uploads';
+
+type BlobLikePart = string | ArrayBuffer | ArrayBufferView | BlobLike | DataView;
+
+/**
+ * Intended to match DOM Blob, node-fetch Blob, node:buffer Blob, etc.
+ * Don't add arrayBuffer here, node-fetch doesn't have it
+ */
+interface BlobLike {
+  /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/size) */
+  readonly size: number;
+  /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/type) */
+  readonly type: string;
+  /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/text) */
+  text(): Promise<string>;
+  /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/slice) */
+  slice(start?: number, end?: number): BlobLike;
+}
+
+/**
+ * This check adds the arrayBuffer() method type because it is available and used at runtime
+ */
+const isBlobLike = (value: any): value is BlobLike & { arrayBuffer(): Promise<ArrayBuffer> } =>
+  value != null &&
+  typeof value === 'object' &&
+  typeof value.size === 'number' &&
+  typeof value.type === 'string' &&
+  typeof value.text === 'function' &&
+  typeof value.slice === 'function' &&
+  typeof value.arrayBuffer === 'function';
+
+/**
+ * Intended to match DOM File, node:buffer File, undici File, etc.
+ */
+interface FileLike extends BlobLike {
+  /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/File/lastModified) */
+  readonly lastModified: number;
+  /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/File/name) */
+  readonly name?: string | undefined;
+}
+
+/**
+ * This check adds the arrayBuffer() method type because it is available and used at runtime
+ */
+const isFileLike = (value: any): value is FileLike & { arrayBuffer(): Promise<ArrayBuffer> } =>
+  value != null &&
+  typeof value === 'object' &&
+  typeof value.name === 'string' &&
+  typeof value.lastModified === 'number' &&
+  isBlobLike(value);
+
+/**
+ * Intended to match DOM Response, node-fetch Response, undici Response, etc.
+ */
+export interface ResponseLike {
+  url: string;
+  blob(): Promise<BlobLike>;
+}
+
+const isResponseLike = (value: any): value is ResponseLike =>
+  value != null &&
+  typeof value === 'object' &&
+  typeof value.url === 'string' &&
+  typeof value.blob === 'function';
+
+export type ToFileInput =
+  | FileLike
+  | ResponseLike
+  | Exclude<BlobLikePart, string>
+  | AsyncIterable<BlobLikePart>;
+
+/**
+ * Helper for creating a {@link File} to pass to an SDK upload method from a variety of different data formats
+ * @param value the raw content of the file.  Can be an {@link Uploadable}, {@link BlobLikePart}, or {@link AsyncIterable} of {@link BlobLikePart}s
+ * @param {string=} name the name of the file. If omitted, toFile will try to determine a file name from bits if possible
+ * @param {Object=} options additional properties
+ * @param {string=} options.type the MIME type of the content
+ * @param {number=} options.lastModified the last modified timestamp
+ * @returns a {@link File} with the given properties
+ */
+export async function toFile(
+  value: ToFileInput | PromiseLike<ToFileInput>,
+  name?: string | null | undefined,
+  options?: FilePropertyBag | undefined,
+): Promise<File> {
+  checkFileSupport();
+
+  // If it's a promise, resolve it.
+  value = await value;
+
+  // If we've been given a `File` we don't need to do anything
+  if (isFileLike(value)) {
+    if (value instanceof File) {
+      return value;
+    }
+    return makeFile([await value.arrayBuffer()], value.name);
+  }
+
+  if (isResponseLike(value)) {
+    const blob = await value.blob();
+    name ||= new URL(value.url).pathname.split(/[\\/]/).pop();
+
+    return makeFile(await getBytes(blob), name, options);
+  }
+
+  const parts = await getBytes(value);
+
+  name ||= getName(value);
+
+  if (!options?.type) {
+    const type = parts.find((part) => typeof part === 'object' && 'type' in part && part.type);
+    if (typeof type === 'string') {
+      options = { ...options, type };
+    }
+  }
+
+  return makeFile(parts, name, options);
+}
+
+async function getBytes(value: BlobLikePart | AsyncIterable<BlobLikePart>): Promise<Array<BlobPart>> {
+  let parts: Array<BlobPart> = [];
+  if (
+    typeof value === 'string' ||
+    ArrayBuffer.isView(value) || // includes Uint8Array, Buffer, etc.
+    value instanceof ArrayBuffer
+  ) {
+    parts.push(value);
+  } else if (isBlobLike(value)) {
+    parts.push(value instanceof Blob ? value : await value.arrayBuffer());
+  } else if (
+    isAsyncIterable(value) // includes Readable, ReadableStream, etc.
+  ) {
+    for await (const chunk of value) {
+      parts.push(...(await getBytes(chunk as BlobLikePart))); // TODO, consider validating?
+    }
+  } else {
+    const constructor = value?.constructor?.name;
+    throw new Error(
+      `Unexpected data type: ${typeof value}${
+        constructor ? `; constructor: ${constructor}` : ''
+      }${propsForError(value)}`,
+    );
+  }
+
+  return parts;
+}
+
+function propsForError(value: unknown): string {
+  if (typeof value !== 'object' || value === null) return '';
+  const props = Object.getOwnPropertyNames(value);
+  return `; props: [${props.map((p) => `"${p}"`).join(', ')}]`;
+}