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node_modules/type-fest/index.d.ts

@@ -0,0 +1,20 @@
+// Basic
+export * from './source/basic';
+
+// Utilities
+export {Except} from './source/except';
+export {Mutable} from './source/mutable';
+export {Merge} from './source/merge';
+export {MergeExclusive} from './source/merge-exclusive';
+export {RequireAtLeastOne} from './source/require-at-least-one';
+export {RequireExactlyOne} from './source/require-exactly-one';
+export {PartialDeep} from './source/partial-deep';
+export {ReadonlyDeep} from './source/readonly-deep';
+export {LiteralUnion} from './source/literal-union';
+export {Promisable} from './source/promisable';
+export {Opaque} from './source/opaque';
+export {SetOptional} from './source/set-optional';
+export {SetRequired} from './source/set-required';
+
+// Miscellaneous
+export {PackageJson} from './source/package-json';

node_modules/type-fest/license

@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

node_modules/type-fest/package.json

@@ -0,0 +1,51 @@
+{
+	"name": "type-fest",
+	"version": "0.8.1",
+	"description": "A collection of essential TypeScript types",
+	"license": "(MIT OR CC0-1.0)",
+	"repository": "sindresorhus/type-fest",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=8"
+	},
+	"scripts": {
+		"test": "xo && tsd"
+	},
+	"files": [
+		"index.d.ts",
+		"source"
+	],
+	"keywords": [
+		"typescript",
+		"ts",
+		"types",
+		"utility",
+		"util",
+		"utilities",
+		"omit",
+		"merge",
+		"json"
+	],
+	"devDependencies": {
+		"@sindresorhus/tsconfig": "^0.4.0",
+		"@typescript-eslint/eslint-plugin": "^2.2.0",
+		"@typescript-eslint/parser": "^2.2.0",
+		"eslint-config-xo-typescript": "^0.18.0",
+		"tsd": "^0.7.3",
+		"xo": "^0.24.0"
+	},
+	"xo": {
+		"extends": "xo-typescript",
+		"extensions": [
+			"ts"
+		],
+		"rules": {
+			"import/no-unresolved": "off",
+			"@typescript-eslint/indent": "off"
+		}
+	}
+}

node_modules/type-fest/source/basic.d.ts

@@ -0,0 +1,67 @@
+/// <reference lib="esnext"/>
+
+// TODO: This can just be `export type Primitive = not object` when the `not` keyword is out.
+/**
+Matches any [primitive value](https://developer.mozilla.org/en-US/docs/Glossary/Primitive).
+*/
+export type Primitive =
+	| null
+	| undefined
+	| string
+	| number
+	| boolean
+	| symbol
+	| bigint;
+
+// TODO: Remove the `= unknown` sometime  in the future when most users are on TS 3.5 as it's now the default
+/**
+Matches a [`class` constructor](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes).
+*/
+export type Class<T = unknown, Arguments extends any[] = any[]> = new(...arguments_: Arguments) => T;
+
+/**
+Matches any [typed array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray), like `Uint8Array` or `Float64Array`.
+*/
+export type TypedArray =
+	| Int8Array
+	| Uint8Array
+	| Uint8ClampedArray
+	| Int16Array
+	| Uint16Array
+	| Int32Array
+	| Uint32Array
+	| Float32Array
+	| Float64Array
+	| BigInt64Array
+	| BigUint64Array;
+
+/**
+Matches a JSON object.
+
+This type can be useful to enforce some input to be JSON-compatible or as a super-type to be extended from. Don't use this as a direct return type as the user would have to double-cast it: `jsonObject as unknown as CustomResponse`. Instead, you could extend your CustomResponse type from it to ensure your type only uses JSON-compatible types: `interface CustomResponse extends JsonObject { … }`.
+*/
+export type JsonObject = {[key: string]: JsonValue};
+
+/**
+Matches a JSON array.
+*/
+export interface JsonArray extends Array<JsonValue> {}
+
+/**
+Matches any valid JSON value.
+*/
+export type JsonValue = string | number | boolean | null | JsonObject | JsonArray;
+
+declare global {
+	interface SymbolConstructor {
+		readonly observable: symbol;
+	}
+}
+
+/**
+Matches a value that is like an [Observable](https://github.com/tc39/proposal-observable).
+*/
+export interface ObservableLike {
+	subscribe(observer: (value: unknown) => void): void;
+	[Symbol.observable](): ObservableLike;
+}

node_modules/type-fest/source/except.d.ts

@@ -0,0 +1,22 @@
+/**
+Create a type from an object type without certain keys.
+
+This type is a stricter version of [`Omit`](https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-5.html#the-omit-helper-type). The `Omit` type does not restrict the omitted keys to be keys present on the given type, while `Except` does. The benefits of a stricter type are avoiding typos and allowing the compiler to pick up on rename refactors automatically.
+
+Please upvote [this issue](https://github.com/microsoft/TypeScript/issues/30825) if you want to have the stricter version as a built-in in TypeScript.
+
+@example
+```
+import {Except} from 'type-fest';
+
+type Foo = {
+	a: number;
+	b: string;
+	c: boolean;
+};
+
+type FooWithoutA = Except<Foo, 'a' | 'c'>;
+//=> {b: string};
+```
+*/
+export type Except<ObjectType, KeysType extends keyof ObjectType> = Pick<ObjectType, Exclude<keyof ObjectType, KeysType>>;

node_modules/type-fest/source/literal-union.d.ts

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+import {Primitive} from './basic';
+
+/**
+Allows creating a union type by combining primitive types and literal types without sacrificing auto-completion in IDEs for the literal type part of the union.
+
+Currently, when a union type of a primitive type is combined with literal types, TypeScript loses all information about the combined literals. Thus, when such type is used in an IDE with autocompletion, no suggestions are made for the declared literals.
+
+This type is a workaround for [Microsoft/TypeScript#29729](https://github.com/Microsoft/TypeScript/issues/29729). It will be removed as soon as it's not needed anymore.
+
+@example
+```
+import {LiteralUnion} from 'type-fest';
+
+// Before
+
+type Pet = 'dog' | 'cat' | string;
+
+const pet: Pet = '';
+// Start typing in your TypeScript-enabled IDE.
+// You **will not** get auto-completion for `dog` and `cat` literals.
+
+// After
+
+type Pet2 = LiteralUnion<'dog' | 'cat', string>;
+
+const pet: Pet2 = '';
+// You **will** get auto-completion for `dog` and `cat` literals.
+```
+ */
+export type LiteralUnion<
+	LiteralType extends BaseType,
+	BaseType extends Primitive
+> = LiteralType | (BaseType & {_?: never});

node_modules/type-fest/source/merge-exclusive.d.ts

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+// Helper type. Not useful on its own.
+type Without<FirstType, SecondType> = {[KeyType in Exclude<keyof FirstType, keyof SecondType>]?: never};
+
+/**
+Create a type that has mutually exclusive keys.
+
+This type was inspired by [this comment](https://github.com/Microsoft/TypeScript/issues/14094#issuecomment-373782604).
+
+This type works with a helper type, called `Without`. `Without<FirstType, SecondType>` produces a type that has only keys from `FirstType` which are not present on `SecondType` and sets the value type for these keys to `never`. This helper type is then used in `MergeExclusive` to remove keys from either `FirstType` or `SecondType`.
+
+@example
+```
+import {MergeExclusive} from 'type-fest';
+
+interface ExclusiveVariation1 {
+	exclusive1: boolean;
+}
+
+interface ExclusiveVariation2 {
+	exclusive2: string;
+}
+
+type ExclusiveOptions = MergeExclusive<ExclusiveVariation1, ExclusiveVariation2>;
+
+let exclusiveOptions: ExclusiveOptions;
+
+exclusiveOptions = {exclusive1: true};
+//=> Works
+exclusiveOptions = {exclusive2: 'hi'};
+//=> Works
+exclusiveOptions = {exclusive1: true, exclusive2: 'hi'};
+//=> Error
+```
+*/
+export type MergeExclusive<FirstType, SecondType> =
+	(FirstType | SecondType) extends object ?
+		(Without<FirstType, SecondType> & SecondType) | (Without<SecondType, FirstType> & FirstType) :
+		FirstType | SecondType;
+

node_modules/type-fest/source/merge.d.ts

@@ -0,0 +1,22 @@
+import {Except} from './except';
+
+/**
+Merge two types into a new type. Keys of the second type overrides keys of the first type.
+
+@example
+```
+import {Merge} from 'type-fest';
+
+type Foo = {
+	a: number;
+	b: string;
+};
+
+type Bar = {
+	b: number;
+};
+
+const ab: Merge<Foo, Bar> = {a: 1, b: 2};
+```
+*/
+export type Merge<FirstType, SecondType> = Except<FirstType, Extract<keyof FirstType, keyof SecondType>> & SecondType;

node_modules/type-fest/source/mutable.d.ts

@@ -0,0 +1,22 @@
+/**
+Convert an object with `readonly` keys into a mutable object. Inverse of `Readonly<T>`.
+
+This can be used to [store and mutate options within a class](https://github.com/sindresorhus/pageres/blob/4a5d05fca19a5fbd2f53842cbf3eb7b1b63bddd2/source/index.ts#L72), [edit `readonly` objects within tests](https://stackoverflow.com/questions/50703834), and [construct a `readonly` object within a function](https://github.com/Microsoft/TypeScript/issues/24509).
+
+@example
+```
+import {Mutable} from 'type-fest';
+
+type Foo = {
+	readonly a: number;
+	readonly b: string;
+};
+
+const mutableFoo: Mutable<Foo> = {a: 1, b: '2'};
+mutableFoo.a = 3;
+```
+*/
+export type Mutable<ObjectType> = {
+	// For each `Key` in the keys of `ObjectType`, make a mapped type by removing the `readonly` modifier from the key.
+	-readonly [KeyType in keyof ObjectType]: ObjectType[KeyType];
+};

node_modules/type-fest/source/opaque.d.ts

@@ -0,0 +1,40 @@
+/**
+Create an opaque type, which hides its internal details from the public, and can only be created by being used explicitly.
+
+The generic type parameter can be anything. It doesn't have to be an object.
+
+[Read more about opaque types.](https://codemix.com/opaque-types-in-javascript/)
+
+There have been several discussions about adding this feature to TypeScript via the `opaque type` operator, similar to how Flow does it. Unfortunately, nothing has (yet) moved forward:
+	- [Microsoft/TypeScript#15408](https://github.com/Microsoft/TypeScript/issues/15408)
+	- [Microsoft/TypeScript#15807](https://github.com/Microsoft/TypeScript/issues/15807)
+
+@example
+```
+import {Opaque} from 'type-fest';
+
+type AccountNumber = Opaque<number>;
+type AccountBalance = Opaque<number>;
+
+function createAccountNumber(): AccountNumber {
+	return 2 as AccountNumber;
+}
+
+function getMoneyForAccount(accountNumber: AccountNumber): AccountBalance {
+	return 4 as AccountBalance;
+}
+
+// This will compile successfully.
+getMoneyForAccount(createAccountNumber());
+
+// But this won't, because it has to be explicitly passed as an `AccountNumber` type.
+getMoneyForAccount(2);
+
+// You can use opaque values like they aren't opaque too.
+const accountNumber = createAccountNumber();
+
+// This will compile successfully.
+accountNumber + 2;
+```
+*/
+export type Opaque<Type> = Type & {readonly __opaque__: unique symbol};

node_modules/type-fest/source/partial-deep.d.ts

@@ -0,0 +1,72 @@
+import {Primitive} from './basic';
+
+/**
+Create a type from another type with all keys and nested keys set to optional.
+
+Use-cases:
+- Merging a default settings/config object with another object, the second object would be a deep partial of the default object.
+- Mocking and testing complex entities, where populating an entire object with its keys would be redundant in terms of the mock or test.
+
+@example
+```
+import {PartialDeep} from 'type-fest';
+
+const settings: Settings = {
+	textEditor: {
+		fontSize: 14;
+		fontColor: '#000000';
+		fontWeight: 400;
+	}
+	autocomplete: false;
+	autosave: true;
+};
+
+const applySavedSettings = (savedSettings: PartialDeep<Settings>) => {
+	return {...settings, ...savedSettings};
+}
+
+settings = applySavedSettings({textEditor: {fontWeight: 500}});
+```
+*/
+export type PartialDeep<T> = T extends Primitive
+	? Partial<T>
+	: T extends Map<infer KeyType, infer ValueType>
+	? PartialMapDeep<KeyType, ValueType>
+	: T extends Set<infer ItemType>
+	? PartialSetDeep<ItemType>
+	: T extends ReadonlyMap<infer KeyType, infer ValueType>
+	? PartialReadonlyMapDeep<KeyType, ValueType>
+	: T extends ReadonlySet<infer ItemType>
+	? PartialReadonlySetDeep<ItemType>
+	: T extends ((...arguments: any[]) => unknown)
+	? T | undefined
+	: T extends object
+	? PartialObjectDeep<T>
+	: unknown;
+
+/**
+Same as `PartialDeep`, but accepts only `Map`s and  as inputs. Internal helper for `PartialDeep`.
+*/
+interface PartialMapDeep<KeyType, ValueType> extends Map<PartialDeep<KeyType>, PartialDeep<ValueType>> {}
+
+/**
+Same as `PartialDeep`, but accepts only `Set`s as inputs. Internal helper for `PartialDeep`.
+*/
+interface PartialSetDeep<T> extends Set<PartialDeep<T>> {}
+
+/**
+Same as `PartialDeep`, but accepts only `ReadonlyMap`s as inputs. Internal helper for `PartialDeep`.
+*/
+interface PartialReadonlyMapDeep<KeyType, ValueType> extends ReadonlyMap<PartialDeep<KeyType>, PartialDeep<ValueType>> {}
+
+/**
+Same as `PartialDeep`, but accepts only `ReadonlySet`s as inputs. Internal helper for `PartialDeep`.
+*/
+interface PartialReadonlySetDeep<T> extends ReadonlySet<PartialDeep<T>> {}
+
+/**
+Same as `PartialDeep`, but accepts only `object`s as inputs. Internal helper for `PartialDeep`.
+*/
+type PartialObjectDeep<ObjectType extends object> = {
+	[KeyType in keyof ObjectType]?: PartialDeep<ObjectType[KeyType]>
+};

node_modules/type-fest/source/promisable.d.ts

@@ -0,0 +1,23 @@
+/**
+Create a type that represents either the value or the value wrapped in `PromiseLike`.
+
+Use-cases:
+- A function accepts a callback that may either return a value synchronously or may return a promised value.
+- This type could be the return type of `Promise#then()`, `Promise#catch()`, and `Promise#finally()` callbacks.
+
+Please upvote [this issue](https://github.com/microsoft/TypeScript/issues/31394) if you want to have this type as a built-in in TypeScript.
+
+@example
+```
+import {Promisable} from 'type-fest';
+
+async function logger(getLogEntry: () => Promisable<string>): Promise<void> {
+    const entry = await getLogEntry();
+    console.log(entry);
+}
+
+logger(() => 'foo');
+logger(() => Promise.resolve('bar'));
+```
+*/
+export type Promisable<T> = T | PromiseLike<T>;

node_modules/type-fest/source/readonly-deep.d.ts

@@ -0,0 +1,59 @@
+import {Primitive} from './basic';
+
+/**
+Convert `object`s, `Map`s, `Set`s, and `Array`s and all of their keys/elements into immutable structures recursively.
+
+This is useful when a deeply nested structure needs to be exposed as completely immutable, for example, an imported JSON module or when receiving an API response that is passed around.
+
+Please upvote [this issue](https://github.com/microsoft/TypeScript/issues/13923) if you want to have this type as a built-in in TypeScript.
+
+@example
+```
+// data.json
+{
+	"foo": ["bar"]
+}
+
+// main.ts
+import {ReadonlyDeep} from 'type-fest';
+import dataJson = require('./data.json');
+
+const data: ReadonlyDeep<typeof dataJson> = dataJson;
+
+export default data;
+
+// test.ts
+import data from './main';
+
+data.foo.push('bar');
+//=> error TS2339: Property 'push' does not exist on type 'readonly string[]'
+```
+*/
+export type ReadonlyDeep<T> = T extends Primitive | ((...arguments: any[]) => unknown)
+	? T
+	: T extends ReadonlyMap<infer KeyType, infer ValueType>
+	? ReadonlyMapDeep<KeyType, ValueType>
+	: T extends ReadonlySet<infer ItemType>
+	? ReadonlySetDeep<ItemType>
+	: T extends object
+	? ReadonlyObjectDeep<T>
+	: unknown;
+
+/**
+Same as `ReadonlyDeep`, but accepts only `ReadonlyMap`s as inputs. Internal helper for `ReadonlyDeep`.
+*/
+interface ReadonlyMapDeep<KeyType, ValueType>
+	extends ReadonlyMap<ReadonlyDeep<KeyType>, ReadonlyDeep<ValueType>> {}
+
+/**
+Same as `ReadonlyDeep`, but accepts only `ReadonlySet`s as inputs. Internal helper for `ReadonlyDeep`.
+*/
+interface ReadonlySetDeep<ItemType>
+	extends ReadonlySet<ReadonlyDeep<ItemType>> {}
+
+/**
+Same as `ReadonlyDeep`, but accepts only `object`s as inputs. Internal helper for `ReadonlyDeep`.
+*/
+type ReadonlyObjectDeep<ObjectType extends object> = {
+	readonly [KeyType in keyof ObjectType]: ReadonlyDeep<ObjectType[KeyType]>
+};

node_modules/type-fest/source/require-at-least-one.d.ts

@@ -0,0 +1,32 @@
+import {Except} from './except';
+
+/**
+Create a type that requires at least one of the given keys. The remaining keys are kept as is.
+
+@example
+```
+import {RequireAtLeastOne} from 'type-fest';
+
+type Responder = {
+	text?: () => string;
+	json?: () => string;
+
+	secure?: boolean;
+};
+
+const responder: RequireAtLeastOne<Responder, 'text' | 'json'> = {
+	json: () => '{"message": "ok"}',
+	secure: true
+};
+```
+*/
+export type RequireAtLeastOne<ObjectType, KeysType extends keyof ObjectType = keyof ObjectType> =
+	{
+		// For each Key in KeysType make a mapped type
+		[Key in KeysType]: (
+			// …by picking that Key's type and making it required
+			Required<Pick<ObjectType, Key>>
+		)
+	}[KeysType]
+	// …then, make intersection types by adding the remaining keys to each mapped type.
+	& Except<ObjectType, KeysType>;

node_modules/type-fest/source/require-exactly-one.d.ts

@@ -0,0 +1,36 @@
+// TODO: Remove this when we target TypeScript >=3.5.
+// eslint-disable-next-line @typescript-eslint/generic-type-naming
+type _Omit<T, K extends keyof any> = Pick<T, Exclude<keyof T, K>>;
+
+/**
+Create a type that requires exactly one of the given keys and disallows more. The remaining keys are kept as is.
+
+Use-cases:
+- Creating interfaces for components that only need one of the keys to display properly.
+- Declaring generic keys in a single place for a single use-case that gets narrowed down via `RequireExactlyOne`.
+
+The caveat with `RequireExactlyOne` is that TypeScript doesn't always know at compile time every key that will exist at runtime. Therefore `RequireExactlyOne` can't do anything to prevent extra keys it doesn't know about.
+
+@example
+```
+import {RequireExactlyOne} from 'type-fest';
+
+type Responder = {
+	text: () => string;
+	json: () => string;
+	secure: boolean;
+};
+
+const responder: RequireExactlyOne<Responder, 'text' | 'json'> = {
+	// Adding a `text` key here would cause a compile error.
+
+	json: () => '{"message": "ok"}',
+	secure: true
+};
+```
+*/
+export type RequireExactlyOne<ObjectType, KeysType extends keyof ObjectType = keyof ObjectType> =
+	{[Key in KeysType]: (
+		Required<Pick<ObjectType, Key>> &
+		Partial<Record<Exclude<KeysType, Key>, never>>
+	)}[KeysType] & _Omit<ObjectType, KeysType>;

node_modules/type-fest/source/set-optional.d.ts

@@ -0,0 +1,32 @@
+/**
+Create a type that makes the given keys optional. The remaining keys are kept as is. The sister of the `SetRequired` type.
+
+Use-case: You want to define a single model where the only thing that changes is whether or not some of the keys are optional.
+
+@example
+```
+import {SetOptional} from 'type-fest';
+
+type Foo = {
+	a: number;
+	b?: string;
+	c: boolean;
+}
+
+type SomeOptional = SetOptional<Foo, 'b' | 'c'>;
+// type SomeOptional = {
+// 	a: number;
+// 	b?: string; // Was already optional and still is.
+// 	c?: boolean; // Is now optional.
+// }
+```
+*/
+export type SetOptional<BaseType, Keys extends keyof BaseType = keyof BaseType> =
+	// Pick just the keys that are not optional from the base type.
+	Pick<BaseType, Exclude<keyof BaseType, Keys>> &
+	// Pick the keys that should be optional from the base type and make them optional.
+	Partial<Pick<BaseType, Keys>> extends
+	// If `InferredType` extends the previous, then for each key, use the inferred type key.
+	infer InferredType
+		? {[KeyType in keyof InferredType]: InferredType[KeyType]}
+		: never;

node_modules/type-fest/source/set-required.d.ts

@@ -0,0 +1,32 @@
+/**
+Create a type that makes the given keys required. The remaining keys are kept as is. The sister of the `SetOptional` type.
+
+Use-case: You want to define a single model where the only thing that changes is whether or not some of the keys are required.
+
+@example
+```
+import {SetRequired} from 'type-fest';
+
+type Foo = {
+	a?: number;
+	b: string;
+	c?: boolean;
+}
+
+type SomeRequired = SetRequired<Foo, 'b' | 'c'>;
+// type SomeRequired = {
+// 	a?: number;
+// 	b: string; // Was already required and still is.
+// 	c: boolean; // Is now required.
+// }
+```
+*/
+export type SetRequired<BaseType, Keys extends keyof BaseType = keyof BaseType> =
+	// Pick just the keys that are not required from the base type.
+	Pick<BaseType, Exclude<keyof BaseType, Keys>> &
+	// Pick the keys that should be required from the base type and make them required.
+	Required<Pick<BaseType, Keys>> extends
+	// If `InferredType` extends the previous, then for each key, use the inferred type key.
+	infer InferredType
+		? {[KeyType in keyof InferredType]: InferredType[KeyType]}
+		: never;