Method supportsFile

src/cm/modelist.ts:236–243

(filename: string)

	}

	supportsFile(filename: string): boolean {
		if (this.extRe?.test(filename)) return true;

		return this.filenameMatchers.some((matcher) => {
			matcher.lastIndex = 0;
			return matcher.test(filename);
		});
	}

	/**
	 * Get the CodeMirror language extension