value: parseFloat()

in src/scanner.ts [848:868]

• 16 lines of code
• 2 McCabe index (conditional complexity)

            value: parseFloat(num),
            lineNumber: this.lineNumber,
            lineStart: this.lineStart,
            start: start,
            end: this.index
        };
    }

    // https://tc39.github.io/ecma262/#sec-literals-string-literals

    private scanStringLiteral(): RawToken {
        const start = this.index;
        let quote = this.source[start];
        assert((quote === '\'' || quote === '"'),
            'String literal must starts with a quote');

        ++this.index;
        let octal = false;
        let str = '';

        while (!this.eof()) {