Function commitInterval

src/Strings.ts:334–350

()

    }

    function commitInterval(): void {
        if (intervalStart === undefined) {
            return panic("Tried to commit interval without starting one");
        }
        assert(i > intervalStart, "Interval must be non-empty");
        // FIXME: This is a hack to avoid splitting up surrogates.  We shouldn't
        // look at surrogates individually in the first place.  When we
        // encounter a high surrogate we have to combine it with the low
        // surrogate and then do the logic on the code point.  Right now we're
        // only operating on UTF16 char codes, which is wrong.
        if (!atEnd() && isLowSurrogate(currentCodePoint())) {
            i += 1;
        }
        const allUpper = lastLowerCaseIndex === undefined || lastLowerCaseIndex < intervalStart;
        intervals.push([intervalStart, i, allUpper]);
        intervalStart = undefined;
    }

    function intervalLength(): number {
        if (intervalStart === undefined) {