src/core/stripAndCollapse.js


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import { rnothtmlwhite } from "../var/rnothtmlwhite.js";

// Strip and collapse whitespace according to HTML spec
// https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
export function stripAndCollapse( value ) {
	var tokens = value.match( rnothtmlwhite ) || [];
	return tokens.join( " " );
}