From 983c76e08d7732a71c73666e9735f756ad0ba06c Mon Sep 17 00:00:00 2001
From: Brandon Liu <bdon@bdon.org>
Date: Tue, 19 Jul 2022 11:42:28 +0800
Subject: [PATCH] copy cloudflare workers type declarations

---
 serverless/cloudflare/src/cloudflare.d.ts | 148 ++++++++++++++++++++++
 serverless/cloudflare/tsconfig.json       |  12 ++
 2 files changed, 160 insertions(+)
 create mode 100644 serverless/cloudflare/src/cloudflare.d.ts
 create mode 100644 serverless/cloudflare/tsconfig.json

diff --git a/serverless/cloudflare/src/cloudflare.d.ts b/serverless/cloudflare/src/cloudflare.d.ts
new file mode 100644
index 0000000..5a67c0d
--- /dev/null
+++ b/serverless/cloudflare/src/cloudflare.d.ts
@@ -0,0 +1,148 @@
+// copied from https://github.com/cloudflare/workers-types/blob/master/index.d.ts 
+// see https://github.com/cloudflare/workers-types/issues/164
+
+/**
+ * An instance of the R2 bucket binding.
+ */
+interface R2Bucket {
+  head(key: string): Promise<R2Object | null>;
+  get(key: string): Promise<R2ObjectBody | null>;
+  /**
+   * Returns R2Object on a failure of the conditional specified in onlyIf.
+   */
+  get(
+    key: string,
+    options: R2GetOptions
+  ): Promise<R2ObjectBody | R2Object | null>;
+  get(
+    key: string,
+    options?: R2GetOptions
+  ): Promise<R2ObjectBody | R2Object | null>;
+  put(
+    key: string,
+    value:
+      | ReadableStream
+      | ArrayBuffer
+      | ArrayBufferView
+      | string
+      | null
+      | Blob,
+    options?: R2PutOptions
+  ): Promise<R2Object>;
+  delete(key: string): Promise<void>;
+  list(options?: R2ListOptions): Promise<R2Objects>;
+}
+
+/**
+ * Perform the operation conditionally based on meeting the defined criteria.
+ */
+interface R2Conditional {
+  etagMatches?: string;
+  etagDoesNotMatch?: string;
+  uploadedBefore?: Date;
+  uploadedAfter?: Date;
+}
+
+/**
+ * Options for retrieving the object metadata nad payload.
+ */
+interface R2GetOptions {
+  onlyIf?: R2Conditional | Headers;
+  range?: R2Range;
+}
+
+/**
+ * Metadata that's automatically rendered into R2 HTTP API endpoints.
+ * ```
+ * * contentType -> content-type
+ * * contentLanguage -> content-language
+ * etc...
+ * ```
+ * This data is echoed back on GET responses based on what was originally
+ * assigned to the object (and can typically also be overriden when issuing
+ * the GET request).
+ */
+interface R2HTTPMetadata {
+  contentType?: string;
+  contentLanguage?: string;
+  contentDisposition?: string;
+  contentEncoding?: string;
+  cacheControl?: string;
+  cacheExpiry?: Date;
+}
+
+interface R2ListOptions {
+  limit?: number;
+  prefix?: string;
+  cursor?: string;
+  delimiter?: string;
+  /**
+   * If you populate this array, then items returned will include this metadata.
+   * A tradeoff is that fewer results may be returned depending on how big this
+   * data is. For now the caps are TBD but expect the total memory usage for a list
+   * operation may need to be <1MB or even <128kb depending on how many list operations
+   * you are sending into one bucket. Make sure to look at `truncated` for the result
+   * rather than having logic like
+   * ```
+   * while (listed.length < limit) {
+   *   listed = myBucket.list({ limit, include: ['customMetadata'] })
+   * }
+   * ```
+   */
+  include?: ("httpMetadata" | "customMetadata")[];
+}
+
+/**
+ * The metadata for the object.
+ */
+declare abstract class R2Object {
+  readonly key: string;
+  readonly version: string;
+  readonly size: number;
+  readonly etag: string;
+  readonly httpEtag: string;
+  readonly uploaded: Date;
+  readonly httpMetadata: R2HTTPMetadata;
+  readonly customMetadata: Record<string, string>;
+  writeHttpMetadata(headers: Headers): void;
+}
+
+/**
+ * The metadata for the object and the body of the payload.
+ */
+interface R2ObjectBody extends R2Object {
+  readonly body: ReadableStream;
+  readonly bodyUsed: boolean;
+  arrayBuffer(): Promise<ArrayBuffer>;
+  text(): Promise<string>;
+  json<T>(): Promise<T>;
+  blob(): Promise<Blob>;
+}
+
+interface R2Objects {
+  objects: R2Object[];
+  truncated: boolean;
+  cursor?: string;
+  delimitedPrefixes: string[];
+}
+
+interface R2PutOptions {
+  httpMetadata?: R2HTTPMetadata | Headers;
+  customMetadata?: Record<string, string>;
+  md5?: ArrayBuffer | string;
+}
+
+declare type R2Range =
+  | { offset: number; length?: number }
+  | { offset?: number; length: number }
+  | { suffix: number };
+
+interface ReadResult {
+  value?: any;
+  done: boolean;
+}
+
+interface ExecutionContext {
+  waitUntil(promise: Promise<any>): void;
+  passThroughOnException(): void;
+}
\ No newline at end of file
diff --git a/serverless/cloudflare/tsconfig.json b/serverless/cloudflare/tsconfig.json
new file mode 100644
index 0000000..ce445af
--- /dev/null
+++ b/serverless/cloudflare/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "target": "es6",
+    "lib": ["es2020", "dom"],
+    "strict": true,
+    "moduleResolution": "node",
+    "paths": {
+    },
+    "types": []
+  },
+  "include": ["src/*.ts"]
+}
\ No newline at end of file