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/**
* Make a map and return a function for checking if a key
* is in that map.
* IMPORTANT: all calls of this function must be prefixed with
* \/\*#\_\_PURE\_\_\*\/
* So that rollup can tree-shake them if necessary.
*/
/*! #__NO_SIDE_EFFECTS__ */
export declare function makeMap(str: string): (key: string) => boolean;
export declare const EMPTY_OBJ: {
readonly [key: string]: any;
};
export declare const EMPTY_ARR: readonly never[];
export declare const NOOP: () => void;
/**
* Always return false.
*/
export declare const NO: () => boolean;
export declare const isOn: (key: string) => boolean;
export declare const isModelListener: (key: string) => key is `onUpdate:${string}`;
export declare const extend: typeof Object.assign;
export declare const remove: <T>(arr: T[], el: T) => void;
export declare const hasOwn: (val: object, key: string | symbol) => key is keyof typeof val;
export declare const isArray: typeof Array.isArray;
export declare const isMap: (val: unknown) => val is Map<any, any>;
export declare const isSet: (val: unknown) => val is Set<any>;
export declare const isDate: (val: unknown) => val is Date;
export declare const isRegExp: (val: unknown) => val is RegExp;
export declare const isFunction: (val: unknown) => val is Function;
export declare const isString: (val: unknown) => val is string;
export declare const isSymbol: (val: unknown) => val is symbol;
export declare const isObject: (val: unknown) => val is Record<any, any>;
export declare const isPromise: <T = any>(val: unknown) => val is Promise<T>;
export declare const objectToString: typeof Object.prototype.toString;
export declare const toTypeString: (value: unknown) => string;
export declare const toRawType: (value: unknown) => string;
export declare const isPlainObject: (val: unknown) => val is object;
export declare const isIntegerKey: (key: unknown) => boolean;
export declare const isReservedProp: (key: string) => boolean;
export declare const isBuiltInDirective: (key: string) => boolean;
/**
* @private
*/
export declare const camelize: (str: string) => string;
/**
* @private
*/
export declare const hyphenate: (str: string) => string;
/**
* @private
*/
export declare const capitalize: <T extends string>(str: T) => Capitalize<T>;
/**
* @private
*/
export declare const toHandlerKey: <T extends string>(str: T) => T extends '' ? '' : `on${Capitalize<T>}`;
export declare const hasChanged: (value: any, oldValue: any) => boolean;
export declare const invokeArrayFns: (fns: Function[], ...arg: any[]) => void;
export declare const def: (obj: object, key: string | symbol, value: any, writable?: boolean) => void;
/**
* "123-foo" will be parsed to 123
* This is used for the .number modifier in v-model
*/
export declare const looseToNumber: (val: any) => any;
/**
* Only concerns number-like strings
* "123-foo" will be returned as-is
*/
export declare const toNumber: (val: any) => any;
export declare const getGlobalThis: () => any;
export declare function genPropsAccessExp(name: string): string;
export declare function genCacheKey(source: string, options: any): string;
/**
* Patch flags are optimization hints generated by the compiler.
* when a block with dynamicChildren is encountered during diff, the algorithm
* enters "optimized mode". In this mode, we know that the vdom is produced by
* a render function generated by the compiler, so the algorithm only needs to
* handle updates explicitly marked by these patch flags.
*
* Patch flags can be combined using the | bitwise operator and can be checked
* using the & operator, e.g.
*
* ```js
* const flag = TEXT | CLASS
* if (flag & TEXT) { ... }
* ```
*
* Check the `patchElement` function in '../../runtime-core/src/renderer.ts' to see how the
* flags are handled during diff.
*/
export declare enum PatchFlags {
/**
* Indicates an element with dynamic textContent (children fast path)
*/
TEXT = 1,
/**
* Indicates an element with dynamic class binding.
*/
CLASS = 2,
/**
* Indicates an element with dynamic style
* The compiler pre-compiles static string styles into static objects
* + detects and hoists inline static objects
* e.g. `style="color: red"` and `:style="{ color: 'red' }"` both get hoisted
* as:
* ```js
* const style = { color: 'red' }
* render() { return e('div', { style }) }
* ```
*/
STYLE = 4,
/**
* Indicates an element that has non-class/style dynamic props.
* Can also be on a component that has any dynamic props (includes
* class/style). when this flag is present, the vnode also has a dynamicProps
* array that contains the keys of the props that may change so the runtime
* can diff them faster (without having to worry about removed props)
*/
PROPS = 8,
/**
* Indicates an element with props with dynamic keys. When keys change, a full
* diff is always needed to remove the old key. This flag is mutually
* exclusive with CLASS, STYLE and PROPS.
*/
FULL_PROPS = 16,
/**
* Indicates an element that requires props hydration
* (but not necessarily patching)
* e.g. event listeners & v-bind with prop modifier
*/
NEED_HYDRATION = 32,
/**
* Indicates a fragment whose children order doesn't change.
*/
STABLE_FRAGMENT = 64,
/**
* Indicates a fragment with keyed or partially keyed children
*/
KEYED_FRAGMENT = 128,
/**
* Indicates a fragment with unkeyed children.
*/
UNKEYED_FRAGMENT = 256,
/**
* Indicates an element that only needs non-props patching, e.g. ref or
* directives (onVnodeXXX hooks). since every patched vnode checks for refs
* and onVnodeXXX hooks, it simply marks the vnode so that a parent block
* will track it.
*/
NEED_PATCH = 512,
/**
* Indicates a component with dynamic slots (e.g. slot that references a v-for
* iterated value, or dynamic slot names).
* Components with this flag are always force updated.
*/
DYNAMIC_SLOTS = 1024,
/**
* Indicates a fragment that was created only because the user has placed
* comments at the root level of a template. This is a dev-only flag since
* comments are stripped in production.
*/
DEV_ROOT_FRAGMENT = 2048,
/**
* SPECIAL FLAGS -------------------------------------------------------------
* Special flags are negative integers. They are never matched against using
* bitwise operators (bitwise matching should only happen in branches where
* patchFlag > 0), and are mutually exclusive. When checking for a special
* flag, simply check patchFlag === FLAG.
*/
/**
* Indicates a cached static vnode. This is also a hint for hydration to skip
* the entire sub tree since static content never needs to be updated.
*/
CACHED = -1,
/**
* A special flag that indicates that the diffing algorithm should bail out
* of optimized mode. For example, on block fragments created by renderSlot()
* when encountering non-compiler generated slots (i.e. manually written
* render functions, which should always be fully diffed)
* OR manually cloneVNodes
*/
BAIL = -2
}
/**
* dev only flag -> name mapping
*/
export declare const PatchFlagNames: Record<PatchFlags, string>;
export declare enum ShapeFlags {
ELEMENT = 1,
FUNCTIONAL_COMPONENT = 2,
STATEFUL_COMPONENT = 4,
TEXT_CHILDREN = 8,
ARRAY_CHILDREN = 16,
SLOTS_CHILDREN = 32,
TELEPORT = 64,
SUSPENSE = 128,
COMPONENT_SHOULD_KEEP_ALIVE = 256,
COMPONENT_KEPT_ALIVE = 512,
COMPONENT = 6
}
export declare enum SlotFlags {
/**
* Stable slots that only reference slot props or context state. The slot
* can fully capture its own dependencies so when passed down the parent won't
* need to force the child to update.
*/
STABLE = 1,
/**
* Slots that reference scope variables (v-for or an outer slot prop), or
* has conditional structure (v-if, v-for). The parent will need to force
* the child to update because the slot does not fully capture its dependencies.
*/
DYNAMIC = 2,
/**
* `<slot/>` being forwarded into a child component. Whether the parent needs
* to update the child is dependent on what kind of slots the parent itself
* received. This has to be refined at runtime, when the child's vnode
* is being created (in `normalizeChildren`)
*/
FORWARDED = 3
}
/**
* Dev only
*/
export declare const slotFlagsText: Record<SlotFlags, string>;
export declare const isGloballyAllowed: (key: string) => boolean;
/** @deprecated use `isGloballyAllowed` instead */
export declare const isGloballyWhitelisted: (key: string) => boolean;
export declare function generateCodeFrame(source: string, start?: number, end?: number): string;
export type NormalizedStyle = Record<string, string | number>;
export declare function normalizeStyle(value: unknown): NormalizedStyle | string | undefined;
export declare function parseStringStyle(cssText: string): NormalizedStyle;
export declare function stringifyStyle(styles: NormalizedStyle | string | undefined): string;
export declare function normalizeClass(value: unknown): string;
export declare function normalizeProps(props: Record<string, any> | null): Record<string, any> | null;
/**
* Compiler only.
* Do NOT use in runtime code paths unless behind `__DEV__` flag.
*/
export declare const isHTMLTag: (key: string) => boolean;
/**
* Compiler only.
* Do NOT use in runtime code paths unless behind `__DEV__` flag.
*/
export declare const isSVGTag: (key: string) => boolean;
/**
* Compiler only.
* Do NOT use in runtime code paths unless behind `__DEV__` flag.
*/
export declare const isMathMLTag: (key: string) => boolean;
/**
* Compiler only.
* Do NOT use in runtime code paths unless behind `__DEV__` flag.
*/
export declare const isVoidTag: (key: string) => boolean;
export declare const isSpecialBooleanAttr: (key: string) => boolean;
/**
* The full list is needed during SSR to produce the correct initial markup.
*/
export declare const isBooleanAttr: (key: string) => boolean;
/**
* Boolean attributes should be included if the value is truthy or ''.
* e.g. `<select multiple>` compiles to `{ multiple: '' }`
*/
export declare function includeBooleanAttr(value: unknown): boolean;
export declare function isSSRSafeAttrName(name: string): boolean;
export declare const propsToAttrMap: Record<string, string | undefined>;
/**
* Known attributes, this is used for stringification of runtime static nodes
* so that we don't stringify bindings that cannot be set from HTML.
* Don't also forget to allow `data-*` and `aria-*`!
* Generated from https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes
*/
export declare const isKnownHtmlAttr: (key: string) => boolean;
/**
* Generated from https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute
*/
export declare const isKnownSvgAttr: (key: string) => boolean;
/**
* Generated from https://developer.mozilla.org/en-US/docs/Web/MathML/Attribute
*/
export declare const isKnownMathMLAttr: (key: string) => boolean;
/**
* Shared between server-renderer and runtime-core hydration logic
*/
export declare function isRenderableAttrValue(value: unknown): boolean;
export declare function escapeHtml(string: unknown): string;
export declare function escapeHtmlComment(src: string): string;
export declare const cssVarNameEscapeSymbolsRE: RegExp;
export declare function getEscapedCssVarName(key: string, doubleEscape: boolean): string;
export declare function looseEqual(a: any, b: any): boolean;
export declare function looseIndexOf(arr: any[], val: any): number;
/**
* For converting {{ interpolation }} values to displayed strings.
* @private
*/
export declare const toDisplayString: (val: unknown) => string;
export type Prettify<T> = {
[K in keyof T]: T[K];
} & {};
export type UnionToIntersection<U> = (U extends any ? (k: U) => void : never) extends (k: infer I) => void ? I : never;
export type LooseRequired<T> = {
[P in keyof (T & Required<T>)]: T[P];
};
export type IfAny<T, Y, N> = 0 extends 1 & T ? Y : N;
export type IsKeyValues<T, K = string> = IfAny<T, false, T extends object ? (keyof T extends K ? true : false) : false>;
/**
* Utility for extracting the parameters from a function overload (for typed emits)
* https://github.com/microsoft/TypeScript/issues/32164#issuecomment-1146737709
*/
export type OverloadParameters<T extends (...args: any[]) => any> = Parameters<OverloadUnion<T>>;
type OverloadProps<TOverload> = Pick<TOverload, keyof TOverload>;
type OverloadUnionRecursive<TOverload, TPartialOverload = unknown> = TOverload extends (...args: infer TArgs) => infer TReturn ? TPartialOverload extends TOverload ? never : OverloadUnionRecursive<TPartialOverload & TOverload, TPartialOverload & ((...args: TArgs) => TReturn) & OverloadProps<TOverload>> | ((...args: TArgs) => TReturn) : never;
type OverloadUnion<TOverload extends (...args: any[]) => any> = Exclude<OverloadUnionRecursive<(() => never) & TOverload>, TOverload extends () => never ? never : () => never>;