Function replaceVariablesMatches

src/inject/dynamic-theme/variables.ts:657–675

(input: string, replacer: (match: string, count: number) => string | null)

}

function replaceVariablesMatches(input: string, replacer: (match: string, count: number) => string | null) {
    const matches = getVariablesMatches(input);
    const matchesCount = matches.length;
    if (matchesCount === 0) {
        return input;
    }

    const inputLength = input.length;
    const replacements = matches.map((m) => replacer(m.value, matches.length));
    const parts: Array<string | null> = [];
    parts.push(input.substring(0, matches[0].start));
    for (let i = 0; i < matchesCount; i++) {
        parts.push(replacements[i]);
        const start = matches[i].end;
        const end = i < matchesCount - 1 ? matches[i + 1].start : inputLength;
        parts.push(input.substring(start, end));
    }
    return parts.join('');
}

function getVariableNameAndFallback(match: string) {
    const commaIndex = match.indexOf(',');