eslint-config-lemon
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JavaScript
export function wrapHelper(helper, transformOptionsFn) {
if (typeof helper !== 'function') {
// This should not happen, but apparently it does in https://github.com/wycats/handlebars.js/issues/1639
// We try to make the wrapper least-invasive by not wrapping it, if the helper is not a function.
return helper;
}
let wrapper = function(/* dynamic arguments */) {
const options = arguments[arguments.length - 1];
arguments[arguments.length - 1] = transformOptionsFn(options);
return helper.apply(this, arguments);
};
return wrapper;
}