| 1 | {"version":3,"file":"worker.min.js","sources":["../src/lib/plugin/worker.js","../src/web/plugin/worker.js"],"sourcesContent":["///=========================================================================\n/// This module provides the worker feature for hyperscript\n///=========================================================================\n\n/**\n * @param {HyperscriptObject} _hyperscript\n */\nexport default _hyperscript => {\n\n\tvar invocationIdCounter = 0;\n\n\tvar workerFunc = function (self) {\n\t\tself.onmessage = function (e) {\n\t\t\tswitch (e.data.type) {\n\t\t\t\tcase \"init\":\n\t\t\t\t\tself.importScripts(e.data._hyperscript);\n\t\t\t\t\tself.importScripts.apply(self, e.data.extraScripts);\n\t\t\t\t\tconst _hyperscript = self['_hyperscript']\n\t\t\t\t\tvar tokens = _hyperscript.internals.lexer.makeTokensObject(e.data.tokens, [], e.data.source);\n\t\t\t\t\tvar hyperscript = _hyperscript.internals.parser.parseElement(\"hyperscript\", tokens);\n\t\t\t\t\thyperscript.apply(self, self);\n\t\t\t\t\tpostMessage({ type: \"didInit\" });\n\t\t\t\t\tbreak;\n\t\t\t\tcase \"call\":\n\t\t\t\t\ttry {\n\t\t\t\t\t\tvar result = self['_hyperscript'].internals.runtime\n\t\t\t\t\t\t\t.getHyperscriptFeatures(self)[e.data.function]\n\t\t\t\t\t\t\t.apply(self, e.data.args);\n\t\t\t\t\t\tPromise.resolve(result)\n\t\t\t\t\t\t\t.then(function (value) {\n\t\t\t\t\t\t\t\tpostMessage({\n\t\t\t\t\t\t\t\t\ttype: \"resolve\",\n\t\t\t\t\t\t\t\t\tid: e.data.id,\n\t\t\t\t\t\t\t\t\tvalue: value,\n\t\t\t\t\t\t\t\t});\n\t\t\t\t\t\t\t})\n\t\t\t\t\t\t\t.catch(function (error) {\n\t\t\t\t\t\t\t\tpostMessage({\n\t\t\t\t\t\t\t\t\ttype: \"reject\",\n\t\t\t\t\t\t\t\t\tid: e.data.id,\n\t\t\t\t\t\t\t\t\terror: error.toString(),\n\t\t\t\t\t\t\t\t});\n\t\t\t\t\t\t\t});\n\t\t\t\t\t} catch (error) {\n\t\t\t\t\t\tpostMessage({\n\t\t\t\t\t\t\ttype: \"reject\",\n\t\t\t\t\t\t\tid: e.data.id,\n\t\t\t\t\t\t\terror: error.toString(),\n\t\t\t\t\t\t});\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t}\n\t\t};\n\t};\n\n\t// extract the body of the function, which was only defined so\n\t// that we can get syntax highlighting\n\tvar workerCode = \"(\" + workerFunc.toString() + \")(self)\";\n\tvar blob = new Blob([workerCode], { type: \"text/javascript\" });\n\tvar workerUri = URL.createObjectURL(blob);\n\n\t_hyperscript.addFeature(\"worker\", function (parser, runtime, tokens) {\n\t\tif (tokens.matchToken(\"worker\")) {\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 workerName = nameSpace.pop();\n\n\t\t\t// Parse extra scripts\n\t\t\tvar extraScripts = [];\n\t\t\tif (tokens.matchOpToken(\"(\")) {\n\t\t\t\tif (tokens.matchOpToken(\")\")) {\n\t\t\t\t\t// no external scripts\n\t\t\t\t} else {\n\t\t\t\t\tdo {\n\t\t\t\t\t\tvar extraScript = tokens.requireTokenType(\"STRING\").value;\n\t\t\t\t\t\tvar absoluteUrl = new URL(extraScript, location.href).href;\n\t\t\t\t\t\textraScripts.push(absoluteUrl);\n\t\t\t\t\t} while (tokens.matchOpToken(\",\"));\n\t\t\t\t\ttokens.requireOpToken(\")\");\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Consume worker methods\n\n\t\t\tvar funcNames = [];\n\t\t\tvar bodyStartIndex = tokens.consumed.length;\n\t\t\tvar bodyEndIndex = tokens.consumed.length;\n\t\t\tdo {\n\t\t\t\tvar feature = parser.parseAnyOf([\"defFeature\", \"jsFeature\"], tokens);\n\t\t\t\tif (feature) {\n\t\t\t\t\tif (feature.type === \"defFeature\") {\n\t\t\t\t\t\tfuncNames.push(feature.name);\n\t\t\t\t\t\tbodyEndIndex = tokens.consumed.length;\n\t\t\t\t\t} else {\n\t\t\t\t\t\tif (tokens.hasMore()) continue;\n\t\t\t\t\t}\n\t\t\t\t} else break;\n\t\t\t} while (tokens.matchToken(\"end\") && tokens.hasMore()); // worker end\n\n\t\t\tvar bodyTokens = tokens.consumed.slice(bodyStartIndex, bodyEndIndex + 1);\n\n\t\t\t// Create worker\n\n\t\t\tvar worker = new Worker(workerUri);\n\n\t\t\t// Send init message to worker\n\n\t\t\tworker.postMessage({\n\t\t\t\ttype: \"init\",\n\t\t\t\t_hyperscript: runtime.hyperscriptUrl,\n\t\t\t\textraScripts: extraScripts,\n\t\t\t\ttokens: bodyTokens,\n\t\t\t\tsource: tokens.source,\n\t\t\t});\n\n\t\t\tvar workerPromise = new Promise(function (resolve, reject) {\n\t\t\t\tworker.addEventListener(\n\t\t\t\t\t\"message\",\n\t\t\t\t\tfunction (e) {\n\t\t\t\t\t\tif (e.data.type === \"didInit\") resolve();\n\t\t\t\t\t},\n\t\t\t\t\t{ once: true }\n\t\t\t\t);\n\t\t\t});\n\n\t\t\t// Create function stubs\n\t\t\tvar stubs = {};\n\t\t\tfuncNames.forEach(function (funcName) {\n\t\t\t\tconsole.log(funcName)\n\t\t\t\tstubs[funcName] = function () {\n\t\t\t\t\tvar args = arguments;\n\t\t\t\t\treturn new Promise(function (resolve, reject) {\n\t\t\t\t\t\tvar id = invocationIdCounter++;\n\t\t\t\t\t\tworker.addEventListener(\"message\", function returnListener(e) {\n\t\t\t\t\t\t\tif (e.data.id !== id) return;\n\t\t\t\t\t\t\tworker.removeEventListener(\"message\", returnListener);\n\t\t\t\t\t\t\tif (e.data.type === \"resolve\") resolve(e.data.value);\n\t\t\t\t\t\t\telse reject(e.data.error);\n\t\t\t\t\t\t});\n\t\t\t\t\t\tworkerPromise.then(function () {\n\t\t\t\t\t\t\t// Worker has been initialized, send invocation.\n\t\t\t\t\t\t\tworker.postMessage({\n\t\t\t\t\t\t\t\ttype: \"call\",\n\t\t\t\t\t\t\t\tfunction: funcName,\n\t\t\t\t\t\t\t\targs: Array.from(args),\n\t\t\t\t\t\t\t\tid: id,\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\n\t\t\treturn {\n\t\t\t\tname: workerName,\n\t\t\t\tworker: worker,\n\t\t\t\tinstall: function (target) {\n\t\t\t\t\truntime.assignToNamespace(target, nameSpace, workerName, stubs);\n\t\t\t\t},\n\t\t\t};\n\t\t}\n\t});\n}\n","\nimport worker from 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