Function normalizeOption

js/plupload.dev.js:4156–4268

Normalize an option. @method normalizeOption @private @param {String} option Name of the option to normalize @param {Mixed} value @param {Object} options The whole set of options, that might be modified during normalization (see max_file_size or unique_names)!

(option, value, options)

	@param {Object} options The whole set of options, that might be modified during normalization (see max_file_size or unique_names)!
	*/
	function normalizeOption(option, value, options) {
		switch (option) {

			case 'chunk_size':
				if (value = plupload.parseSize(value)) {
					options.send_file_name = true;
				}
				break;

			case 'headers':
				var headers = {};
				if (typeof(value) === 'object') {
					plupload.each(value, function(value, key) {
						headers[key.toLowerCase()] = value;
					});
				}
				return headers;

			case 'http_method':
				return value.toUpperCase() === 'PUT' ? 'PUT' : 'POST';


			case 'filters':
				if (plupload.typeOf(value) === 'array') { // for backward compatibility
					value = {
						mime_types: value
					};
				}

				// if file format filters are being updated, regenerate the matching expressions
				if (value.mime_types) {
					if (plupload.typeOf(value.mime_types) === 'string') {
						value.mime_types = plupload.mimes2extList(value.mime_types);
					}

					// generate and cache regular expression for filtering file extensions
					options.re_ext_filter = (function(filters) {
						var extensionsRegExp = [];

						plupload.each(filters, function(filter) {
							plupload.each(filter.extensions.split(/,/), function(ext) {
								if (/^\s*\*\s*$/.test(ext)) {
									extensionsRegExp.push('\\.*');
								} else {
									extensionsRegExp.push('\\.' + ext.replace(new RegExp('[' + ('/^$.*+?|()[]{}\\'.replace(/./g, '\\$&')) + ']', 'g'), '\\$&'));
								}
							});
						});

						return new RegExp('(' + extensionsRegExp.join('|') + ')$', 'i');
					}(value.mime_types));
				}

				return value;

			case 'max_file_size':
				if (options && !options.filters) {
					options.filters = {};