Module: URI

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# File 'opal/stdlib/uri.rb', line 4
def self.decode_www_form(str, enc = undefined, separator: '&', use__charset_: false, isindex: false)
 raise ArgumentError, "the input of #{name}.#{__method__} must be ASCII only string" unless str.ascii_only?
 %x{
 var ary = [], key, val;
 if (str.length == 0)
 return ary;
 if (enc)
 #{enc = Encoding.find(enc)};
 var parts = str.split(#{separator});
 for (var i = 0; i < parts.length; i++) {
 var string = parts[i];
 var splitIndex = string.indexOf('=')
 if (splitIndex >= 0) {
 key = string.substr(0, splitIndex);
 val = string.substr(splitIndex + 1);
 } else {
 key = string;
 val = '';
 }
 if (isindex) {
 if (splitIndex < 0) {
 key = '';
 val = string;
 }
 isindex = false;
 }
 key = decodeURIComponent(key.replace(/\+/g, ' '));
 if (val) {
 val = decodeURIComponent(val.replace(/\+/g, ' '));
 } else {
 val = '';
 }
 if (enc) {
 key = #{`key`.force_encoding(enc)}
 val = #{`val`.force_encoding(enc)}
 }
 ary.push([key, val]);
 }
 return ary;
 }
end