Method lexJSX

src/jsx-parser.ts:164–263

()

    // Scan the next JSX token. This replaces Scanner#lex when in JSX mode.

    lexJSX(): RawJSXToken {
        const cp = this.scanner.source.charCodeAt(this.scanner.index);

        // < > / : = { }
        if (cp === 60 || cp === 62 || cp === 47 || cp === 58 || cp === 61 || cp === 123 || cp === 125) {
            const value = this.scanner.source[this.scanner.index++];
            return {
                type: Token.Punctuator,
                value: value,
                lineNumber: this.scanner.lineNumber,
                lineStart: this.scanner.lineStart,
                start: this.scanner.index - 1,
                end: this.scanner.index
            };
        }

        // " '
        if (cp === 34 || cp === 39) {
            const start = this.scanner.index;
            const quote = this.scanner.source[this.scanner.index++];
            let str = '';
            while (!this.scanner.eof()) {
                const ch = this.scanner.source[this.scanner.index++];
                if (ch === quote) {
                    break;
                } else if (ch === '&') {
                    str += this.scanXHTMLEntity(quote);
                } else {
                    str += ch;
                }
            }

            return {
                type: Token.StringLiteral,
                value: str,
                lineNumber: this.scanner.lineNumber,
                lineStart: this.scanner.lineStart,
                start: start,
                end: this.scanner.index
            };
        }

        // ... or .
        if (cp === 46) {
            const n1 = this.scanner.source.charCodeAt(this.scanner.index + 1);
            const n2 = this.scanner.source.charCodeAt(this.scanner.index + 2);
            const value = (n1 === 46 && n2 === 46) ? '...' : '.';
            const start = this.scanner.index;
            this.scanner.index += value.length;
            return {
                type: Token.Punctuator,
                value: value,
                lineNumber: this.scanner.lineNumber,
                lineStart: this.scanner.lineStart,
                start: start,
                end: this.scanner.index
            };
        }