Function process

lib/html/syntax.js:5166–5186

(/** @type {Token} */ t)

	};

	const process = (/** @type {Token} */ t) => {
		class="cm">// Track the current token's end so explicit closes can set element `.end`.
		class="cm">// Dispatch on `type` instead of the `in` operator, which goes megamorphic
		class="cm">// across the token union and shows up on the per-token hot path.
		const ty = t.type;
		if (ty === TOKEN_START_TAG || ty === TOKEN_END_TAG) tokenEnd = t.pos.end;
		else if (ty !== TOKEN_EOF) tokenEnd = t.end;
		class="cm">// foreign content dispatch
		const ac = adjustedCurrent();
		const useForeign =
			open.length > 0 &&
			ac &&
			ac.namespace !== NS_HTML &&
			ty !== TOKEN_EOF &&
			shouldUseForeignRules(ac, t);
		if (useForeign) {
			foreignContent(t);
			return;
		}
		runMode(t);
	};

	const shouldUseForeignRules = (
		/** @type {HtmlElement} */ ac,