Function addUsage

lib/optimize/InnerGraph.js:224–238

* @param {ParserState} state parser state * @param {TopLevelSymbol | null} symbol the symbol, or null for all symbols * @param {Usage} usage usage data * @returns {void}

(state, symbol, usage)

	 * @returns {void}
	 */
	function addUsage(state, symbol, usage) {
		const innerGraphState = getState(state);

		if (innerGraphState) {
			const { innerGraph } = innerGraphState;
			const info = innerGraph.get(symbol);
			if (usage === true) {
				innerGraph.set(symbol, true);
			} else if (info === undefined) {
				innerGraph.set(symbol, new Set([usage]));
			} else if (info !== true) {
				info.add(usage);
			}
		}
	}

	/**
	 * @param {JavascriptParser} parser the parser