preact/src/constants.js

Fast 3kb React-compatible Virtual DOM library.

/** Normal hydration that attaches to a DOM tree but does not diff it. */
export const MODE_HYDRATE = 1 << 5;
/** Signifies this VNode suspended on the previous render */
export const MODE_SUSPENDED = 1 << 7;
/** Indicates that this node needs to be inserted while patching children */
export const INSERT_VNODE = 1 << 2;
/** Indicates a VNode has been matched with another VNode in the diff */
export const MATCHED = 1 << 1;

/** Reset all mode flags */
export const RESET_MODE = ~(MODE_HYDRATE | MODE_SUSPENDED);

export const SVG_NAMESPACE = 'http://www.w3.org/2000/svg';
export const XHTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';
export const MATH_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';

export const NULL = null;
export const UNDEFINED = undefined;
export const EMPTY_OBJ = /** @type {any} */ ({});
export const EMPTY_ARR = [];
export const IS_NON_DIMENSIONAL =
	/acit|ex(?:s|g|n|p|$)|rph|grid|ows|mnc|ntw|ine[ch]|zoo|^ord|itera/i;