| 1 | {"version":3,"file":"socket.modern.js","sources":["../src/lib/plugin/socket.js","../src/lib/utils.js"],"sourcesContent":["\nimport { mergeObjects } from \"../utils.js\";\n\nfunction genUUID() {\n\treturn \"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx\".replace(/[xy]/g, function (c) {\n\t\tvar r = (Math.random() * 16) | 0,\n\t\tv = c == \"x\" ? r : (r & 0x3) | 0x8;\n\t\treturn v.toString(16);\n\t});\n}\n\nfunction createSocket(url) {\n\treturn new WebSocket(url.evaluate());\n}\n\n/**\n * @param {HyperscriptObject} _hyperscript\n */\nexport default _hyperscript => {\n\n\t/** @type {(string | symbol)[]} */\n\tvar PROXY_BLACKLIST = [\"then\", \"catch\", \"length\", \"asyncWrapper\", \"toJSON\"];\n\n\t_hyperscript.addFeature(\"socket\", function (parser, runtime, tokens) {\n\t\tfunction getProxy(timeout) {\n\t\t\treturn new Proxy(\n\t\t\t\t{},\n\t\t\t\t{\n\t\t\t\t\tget: function (obj, property) {\n\t\t\t\t\t\tif (PROXY_BLACKLIST.indexOf(property) >= 0) {\n\t\t\t\t\t\t\treturn null;\n\t\t\t\t\t\t} else if (property === \"noTimeout\") {\n\t\t\t\t\t\t\treturn getProxy(-1);\n\t\t\t\t\t\t} else if (property === \"timeout\") {\n\t\t\t\t\t\t\treturn function (i) {\n\t\t\t\t\t\t\t\treturn getProxy(parseInt(i));\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\treturn function () {\n\t\t\t\t\t\t\t\tvar uuid = genUUID();\n\t\t\t\t\t\t\t\tvar args = [];\n\t\t\t\t\t\t\t\tfor (var i = 0; i < arguments.length; i++) {\n\t\t\t\t\t\t\t\t\targs.push(arguments[i]);\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tvar rpcInfo = {\n\t\t\t\t\t\t\t\t\tiid: uuid,\n\t\t\t\t\t\t\t\t\tfunction: property,\n\t\t\t\t\t\t\t\t\targs: args,\n\t\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\t\tsocket = socket ? socket : createSocket(url); //recreate socket if needed\n\t\t\t\t\t\t\t\tsocket.send(JSON.stringify(rpcInfo));\n\n\t\t\t\t\t\t\t\tvar promise = new Promise(function (resolve, reject) {\n\t\t\t\t\t\t\t\t\tpromises[uuid] = {\n\t\t\t\t\t\t\t\t\t\tresolve: resolve,\n\t\t\t\t\t\t\t\t\t\treject: reject,\n\t\t\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\t\t});\n\n\t\t\t\t\t\t\t\tif (timeout >= 0) {\n\t\t\t\t\t\t\t\t\tsetTimeout(function () {\n\t\t\t\t\t\t\t\t\t\tif (promises[uuid]) {\n\t\t\t\t\t\t\t\t\t\t\tpromises[uuid].reject(\"Timed out\");\n\t\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t\t\tdelete promises[uuid];\n\t\t\t\t\t\t\t\t\t}, timeout); // TODO configurable?\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\treturn promise;\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\t\t\t\t}\n\t\t\t);\n\t\t}\n\n\t\tif (tokens.matchToken(\"socket\")) {\n\t\t\tvar name = parser.requireElement(\"dotOrColonPath\", tokens);\n\t\t\tvar qualifiedName = name.evaluate();\n\t\t\tvar nameSpace = qualifiedName.split(\".\");\n\t\t\tvar socketName = nameSpace.pop();\n\n\t\t\tvar promises = {};\n\t\t\tvar url = parser.requireElement(\"stringLike\", tokens);\n\n\t\t\tvar defaultTimeout = 10000;\n\t\t\tif (tokens.matchToken(\"with\")) {\n\t\t\t\ttokens.requireToken(\"timeout\");\n\t\t\t\tdefaultTimeout = parser.requireElement(\"timeExpression\", tokens).evaluate();\n\t\t\t}\n\n\t\t\tif (tokens.matchToken(\"on\")) {\n\t\t\t\ttokens.requireToken(\"message\");\n\t\t\t\tif (tokens.matchToken(\"as\")) {\n\t\t\t\t\ttokens.requireToken(\"json\");\n\t\t\t\t\tvar jsonMessages = true;\n\t\t\t\t}\n\t\t\t\tvar messageHandler = parser.requireElement(\"commandList\", tokens);\n\t\t\t\tvar implicitReturn = {\n\t\t\t\t\ttype: \"implicitReturn\",\n\t\t\t\t\top: function (context) {\n\t\t\t\t\t\treturn runtime.HALT;\n\t\t\t\t\t},\n\t\t\t\t\texecute: function (context) {\n\t\t\t\t\t\t// do nothing\n\t\t\t\t\t},\n\t\t\t\t};\n\t\t\t\tvar end = messageHandler;\n\t\t\t\twhile (end.next) {\n\t\t\t\t\tend = end.next;\n\t\t\t\t}\n\t\t\t\tend.next = implicitReturn;\n\t\t\t\t// TODO set parent?\n\t\t\t\t// parser.setParent(implicitReturn, initFeature);\n\t\t\t}\n\n\t\t\tvar socket = createSocket(url);\n\t\t\tvar rpcProxy = getProxy(defaultTimeout);\n\n\t\t\tvar socketObject = {\n\t\t\t\traw: socket,\n\t\t\t\tdispatchEvent: function (evt) {\n\t\t\t\t\tvar details = evt.detail;\n\t\t\t\t\t// remove hyperscript internals\n\t\t\t\t\tdelete details.sentBy;\n\t\t\t\t\tdelete details._namedArgList_;\n\t\t\t\t\tsocket.send(JSON.stringify(mergeObjects({ type: evt.type }, details)));\n\t\t\t\t},\n\t\t\t\trpc: rpcProxy,\n\t\t\t};\n\n\t\t\tvar socketFeature = {\n\t\t\t\tname: socketName,\n\t\t\t\tsocket: socketObject,\n\t\t\t\tinstall: function (target) {\n\t\t\t\t\truntime.assignToNamespace(target, nameSpace, socketName, socketObject);\n\t\t\t\t},\n\t\t\t};\n\n\t\t\tsocket.onmessage = function (evt) {\n\t\t\t\tvar data = evt.data;\n\t\t\t\ttry {\n\t\t\t\t\tvar dataAsJson = JSON.parse(data);\n\t\t\t\t} catch (e) {\n\t\t\t\t\t// not JSON\n\t\t\t\t}\n\n\t\t\t\t// RPC reply\n\t\t\t\tif (dataAsJson && dataAsJson.iid) {\n\t\t\t\t\tif (dataAsJson.throw) {\n\t\t\t\t\t\tpromises[dataAsJson.iid].reject(dataAsJson.throw);\n\t\t\t\t\t} else {\n\t\t\t\t\t\tpromises[dataAsJson.iid].resolve(dataAsJson.return);\n\t\t\t\t\t}\n\t\t\t\t\tdelete promises[dataAsJson.iid];\n\t\t\t\t}\n\n\t\t\t\tif (messageHandler) {\n\t\t\t\t\tvar context = runtime.makeContext(socketObject, socketFeature, socketObject);\n\t\t\t\t\tif (jsonMessages) {\n\t\t\t\t\t\tif (dataAsJson) {\n\t\t\t\t\t\t\tcontext.message = dataAsJson;\n\t\t\t\t\t\t\tcontext.result = dataAsJson;\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tthrow \"Received non-JSON message from socket: \" + data;\n\t\t\t\t\t\t}\n\t\t\t\t\t} else {\n\t\t\t\t\t\tcontext.message = data;\n\t\t\t\t\t\tcontext.result = data;\n\t\t\t\t\t}\n\t\t\t\t\tmessageHandler.execute(context);\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// clear socket on close to be recreated\n\t\t\tsocket.addEventListener(\"close\", function (e) {\n\t\t\t\tsocket = null;\n\t\t\t});\n\n\t\t\treturn socketFeature;\n\t\t}\n\t});\n}\n","\n/**\n * mergeObjects combines the keys from obj2 into obj2, then returns obj1\n *\n * @param {object} obj1\n * @param {object} obj2\n * @returns object\n */\nexport function mergeObjects(obj1, obj2) {\n\tfor (var key in obj2) {\n\t\tif (obj2.hasOwnProperty(key)) {\n\t\t\tobj1[key] = obj2[key];\n\t\t}\n\t}\n\treturn obj1;\n}\n\nexport function getOrInitObject(root, prop) {\n\tvar value = root[prop];\n\tif (value) {\n\t\treturn value;\n\t} else {\n\t\tvar newObj = {};\n\t\troot[prop] = newObj;\n\t\treturn newObj;\n\t}\n}\n\n/**\n * parseJSON parses a JSON string into a corresponding value. 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