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I'm running jQuery in app/assets/javascripts/ticket.js.coffee for a specific view. Every time I visit the page the browser renders this error - there is no mention of this error anywhere online.
(localhost:3000/Tickets/new):
SyntaxError: unexpected POST_IF
Extracted source (around line #6):
3: <head>
4: <title>Ops2</title>
5: <%= stylesheet_link_tag "application", :media => "all" %>
6: <%= javascript_include_tag "application" %>
7: <%= csrf_meta_tags %>
8: </head>
9: <body>
File of the page throwing the error -
app/views/tickets/_form.html.erb:
<%= form_for(@ticket) do |f| %>
<% if @ticket.errors.any? %>
<div id="error_explanation">
<h2><%= pluralize(@ticket.errors.count, "error") %> prohibited this ticket from being saved:</h2>
<ul>
<% @ticket.errors.full_messages.each do |msg| %>
<li><%= msg %></li>
<% end %>
</ul>
</div>
<% end %>
<div class="field">
<%= f.label :school_id %><br />
<%= f.collection_select :school_id, School.order(:name), :id, :name, include_blank: true%>
</div>
<div class="field">
<%= f.label :location_id %><br />
<%= f.grouped_collection_select :location_id, School.order(:name), :locations, :name, :id, :name, include_blank: true%>
</div>
<div class="actions">
<%= f.submit %>
</div>
<% end %>
app/assets/javascripts/application.js contains:
//= require jquery
//= require jquery_ujs
//= require_tree .
Coffeescript file with jQuery -
app/assets/javascripts/tickets.js.coffee:
$ ->
$('#ticket_location_id').parent().hide()
locations = $('#ticket_location_id').html()
$('#ticket_school_id').change ->
school = $('#ticket_school_id :selected').text()
options = $(locations).filter("optgroup[label='#{school}']").html()
if options
$('#ticket_location_id').html(options)
$('#ticket_location_id').parent().show()
else
$('#ticket_location_id').empty
$('#ticket_location_id').parent().hide()
The POST_IF error has been resolved by indenting the if / else statements in my coffee script! (see answer below for details) There are no errors and the page loads!
693
You're missing indentation for your if statement. Indentation is crucial in CoffeeScript.
This...
if options
$('#ticket_location_id').html(options)
$('#ticket_location_id').parent().show()
else
$('#ticket_location_id').empty
$('#ticket_location_id').parent().hide()
... needs to be this, the leading indentation is not optional:
if options
$('#ticket_location_id').html(options)
$('#ticket_location_id').parent().show()
else
$('#ticket_location_id').empty
$('#ticket_location_id').parent().hide()
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