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shrine-medco/shrine-webclient/src/main/html/node_modules/ws/lib/Extensions.js
5f67068ab1f7patch/1.22.2.4

Extensions.js
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			var util = require('util');

			/**
			* Module exports.
			*/

			exports.parse = parse;
			exports.format = format;

			/**
			* Parse extensions header value
			*/

			function parse(value) {
			value = value \|\| '';

			var extensions = {};

			value.split(',').forEach(function(v) {
			var params = v.split(';');
			var token = params.shift().trim();
			var paramsList = extensions[token] = extensions[token] \|\| [];
			var parsedParams = {};

			params.forEach(function(param) {
			var parts = param.trim().split('=');
			var key = parts[0];
			var value = parts[1];
			if (typeof value === 'undefined') {
			value = true;
			} else {
			// unquote value
			if (value[0] === '"') {
			value = value.slice(1);
			}
			if (value[value.length - 1] === '"') {
			value = value.slice(0, value.length - 1);
			}
			}
			(parsedParams[key] = parsedParams[key] \|\| []).push(value);
			});

			paramsList.push(parsedParams);
			});

			return extensions;
			}

			/**
			* Format extensions header value
			*/

			function format(value) {
			return Object.keys(value).map(function(token) {
			var paramsList = value[token];
			if (!util.isArray(paramsList)) {
			paramsList = [paramsList];
			}
			return paramsList.map(function(params) {
			return [token].concat(Object.keys(params).map(function(k) {
			var p = params[k];
			if (!util.isArray(p)) p = [p];
			return p.map(function(v) {
			return v === true ? k : k + '=' + v;
			}).join('; ');
			})).join('; ');
			}).join(', ');
			}).join(', ');
			}