Method parse

src/ext/intercept.js:55–90

(parser)

	}

	static parse(parser) {
		if (!parser.matchToken("intercept")) return;

		var scope = consumeNakedPath(parser);
		var config = { scope: scope, precache: null, routes: [], offlineFallback: null };

		while (parser.hasMore() && parser.currentToken().value !== "end") {
			if (parser.matchToken("precache")) {
				var urls = [];
				do {
					urls.push(consumeStringOrPath(parser));
				} while (parser.matchOpToken(","));
				var version = null;
				if (parser.matchToken("as")) {
					version = parser.requireTokenType("STRING").value;
				}
				config.precache = { urls: urls, version: version };
			} else if (parser.matchToken("on")) {
				var patterns = [];
				do {
					patterns.push(consumeNakedPath(parser));
				} while (parser.matchOpToken(","));
				parser.requireToken("use");
				var strategy = consumeStrategy(parser);
				config.routes.push({ patterns: patterns, strategy: strategy });
			} else if (parser.matchToken("offline")) {
				parser.requireToken("fallback");
				config.offlineFallback = consumeStringOrPath(parser);
			} else {
				parser.raiseError("Expected precache, on, offline, or end");
			}
		}
		parser.requireToken("end");

		return new InterceptFeature(config);
	}

	install(target, source, args, runtime) {
		if (!('serviceWorker' in navigator)) {