app/views/search/_form.html.erb
<%= form_for(:search, url: search_index_path, html: { method: :get }) do |f| %>
<div class="search">
<%= react_component 'Input', props: {
type: 'search',
name: 'search[email]',
id: 'search_email',
label: t('search.form.search_by_email'),
placeholder: t('search.form.search_by_email'),
dark: true,
value: @email || nil
} %>
<%= f.submit t('search.label'), class: 'searchSubmit buttonDarkL' %>
</div>
<% end %>