taggedjs/js/render/attributes/getTagVarIndex.function.js

tagged template reactive html

import { variableSuffix, variablePrefix } from "../../tag/DomTag.type.js";
export const placeholderRegex = new RegExp(variablePrefix + '(\\d+)' + variableSuffix, 'g');
export function getTagVarIndex(value) {
    if (value.search && value.startsWith(variablePrefix)) {
        return value.search(placeholderRegex);
    }
    return -1;
}
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