1 files changed, 213 insertions, 0 deletions
diff --git a/remote/test/puppeteer/packages/puppeteer-core/src/common/types.ts b/remote/test/puppeteer/packages/puppeteer-core/src/common/types.ts
new file mode 100644
index 0000000000..ac05a58ac9
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+++ b/remote/test/puppeteer/packages/puppeteer-core/src/common/types.ts
@@ -0,0 +1,213 @@
+/**
+ * Copyright 2020 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import type {ElementHandle} from '../api/ElementHandle.js';
+import type {JSHandle} from '../api/JSHandle.js';
+
+import type {LazyArg} from './LazyArg.js';
+
+/**
+ * @internal
+ */
+export type BindingPayload = {
+  type: string;
+  name: string;
+  seq: number;
+  args: unknown[];
+  /**
+   * Determines whether the arguments of the payload are trivial.
+   */
+  isTrivial: boolean;
+};
+
+/**
+ * @internal
+ */
+export type AwaitableIterator<T> = Iterator<T> | AsyncIterator<T>;
+
+/**
+ * @public
+ */
+export type AwaitableIterable<T> = Iterable<T> | AsyncIterable<T>;
+
+/**
+ * @public
+ */
+export type Awaitable<T> = T | PromiseLike<T>;
+
+/**
+ * @public
+ */
+export type HandleFor<T> = T extends Node ? ElementHandle<T> : JSHandle<T>;
+
+/**
+ * @public
+ */
+export type HandleOr<T> = HandleFor<T> | JSHandle<T> | T;
+
+/**
+ * @public
+ */
+export type FlattenHandle<T> = T extends HandleOr<infer U> ? U : never;
+
+/**
+ * @internal
+ */
+export type FlattenLazyArg<T> = T extends LazyArg<infer U> ? U : T;
+
+/**
+ * @internal
+ */
+export type InnerLazyParams<T extends unknown[]> = {
+  [K in keyof T]: FlattenLazyArg<T[K]>;
+};
+
+/**
+ * @public
+ */
+export type InnerParams<T extends unknown[]> = {
+  [K in keyof T]: FlattenHandle<T[K]>;
+};
+
+/**
+ * @public
+ */
+export type ElementFor<
+  TagName extends keyof HTMLElementTagNameMap | keyof SVGElementTagNameMap
+> = TagName extends keyof HTMLElementTagNameMap
+  ? HTMLElementTagNameMap[TagName]
+  : TagName extends keyof SVGElementTagNameMap
+  ? SVGElementTagNameMap[TagName]
+  : never;
+
+/**
+ * @public
+ */
+export type EvaluateFunc<T extends unknown[]> = (
+  ...params: InnerParams<T>
+) => Awaitable<unknown>;
+
+/**
+ * @public
+ */
+export type EvaluateFuncWith<V, T extends unknown[]> = (
+  ...params: [V, ...InnerParams<T>]
+) => Awaitable<unknown>;
+
+/**
+ * @public
+ */
+export type NodeFor<ComplexSelector extends string> =
+  TypeSelectorOfComplexSelector<ComplexSelector> extends infer TypeSelector
+    ? TypeSelector extends
+        | keyof HTMLElementTagNameMap
+        | keyof SVGElementTagNameMap
+      ? ElementFor<TypeSelector>
+      : Element
+    : never;
+
+type TypeSelectorOfComplexSelector<ComplexSelector extends string> =
+  CompoundSelectorsOfComplexSelector<ComplexSelector> extends infer CompoundSelectors
+    ? CompoundSelectors extends NonEmptyReadonlyArray<string>
+      ? Last<CompoundSelectors> extends infer LastCompoundSelector
+        ? LastCompoundSelector extends string
+          ? TypeSelectorOfCompoundSelector<LastCompoundSelector>
+          : never
+        : never
+      : unknown
+    : never;
+
+type TypeSelectorOfCompoundSelector<CompoundSelector extends string> =
+  SplitWithDelemiters<
+    CompoundSelector,
+    BeginSubclassSelectorTokens
+  > extends infer CompoundSelectorTokens
+    ? CompoundSelectorTokens extends [infer TypeSelector, ...any[]]
+      ? TypeSelector extends ''
+        ? unknown
+        : TypeSelector
+      : never
+    : never;
+
+type Last<Arr extends NonEmptyReadonlyArray<unknown>> = Arr extends [
+  infer Head,
+  ...infer Tail
+]
+  ? Tail extends NonEmptyReadonlyArray<unknown>
+    ? Last<Tail>
+    : Head
+  : never;
+
+type NonEmptyReadonlyArray<T> = [T, ...(readonly T[])];
+
+type CompoundSelectorsOfComplexSelector<ComplexSelector extends string> =
+  SplitWithDelemiters<
+    ComplexSelector,
+    CombinatorTokens
+  > extends infer IntermediateTokens
+    ? IntermediateTokens extends readonly string[]
+      ? Drop<IntermediateTokens, ''>
+      : never
+    : never;
+
+type SplitWithDelemiters<
+  Input extends string,
+  Delemiters extends readonly string[]
+> = Delemiters extends [infer FirstDelemiter, ...infer RestDelemiters]
+  ? FirstDelemiter extends string
+    ? RestDelemiters extends readonly string[]
+      ? FlatmapSplitWithDelemiters<Split<Input, FirstDelemiter>, RestDelemiters>
+      : never
+    : never
+  : [Input];
+
+type BeginSubclassSelectorTokens = ['.', '#', '[', ':'];
+
+type CombinatorTokens = [' ', '>', '+', '~', '|', '|'];
+
+type Drop<
+  Arr extends readonly unknown[],
+  Remove,
+  Acc extends unknown[] = []
+> = Arr extends [infer Head, ...infer Tail]
+  ? Head extends Remove
+    ? Drop<Tail, Remove>
+    : Drop<Tail, Remove, [...Acc, Head]>
+  : Acc;
+
+type FlatmapSplitWithDelemiters<
+  Inputs extends readonly string[],
+  Delemiters extends readonly string[],
+  Acc extends string[] = []
+> = Inputs extends [infer FirstInput, ...infer RestInputs]
+  ? FirstInput extends string
+    ? RestInputs extends readonly string[]
+      ? FlatmapSplitWithDelemiters<
+          RestInputs,
+          Delemiters,
+          [...Acc, ...SplitWithDelemiters<FirstInput, Delemiters>]
+        >
+      : Acc
+    : Acc
+  : Acc;
+
+type Split<
+  Input extends string,
+  Delimiter extends string,
+  Acc extends string[] = []
+> = Input extends `${infer Prefix}${Delimiter}${infer Suffix}`
+  ? Split<Suffix, Delimiter, [...Acc, Prefix]>
+  : [...Acc, Input];