diff --git a/pkg/app/gen/app.js b/pkg/app/gen/app.js index b50c13e7..6ba8ed5c 100644 --- a/pkg/app/gen/app.js +++ b/pkg/app/gen/app.js @@ -31,18 +31,16 @@ goappInitWebAssembly(); // ----------------------------------------------------------------------------- async function goappInitServiceWorker() { if ("serviceWorker" in navigator) { - window.addEventListener("load", async () => { - try { - const registration = await navigator.serviceWorker.register( - "{{.WorkerJS}}" - ); - goappServiceWorkerRegistration = registration; - goappSetupNotifyUpdate(registration); - goappSetupPushNotification(); - } catch (err) { - console.error("goapp service worker registration failed: ", err); - } - }); + try { + const registration = await navigator.serviceWorker.register( + "{{.WorkerJS}}" + ); + goappServiceWorkerRegistration = registration; + goappSetupNotifyUpdate(registration); + goappSetupPushNotification(); + } catch (err) { + console.error("goapp service worker registration failed: ", err); + } } } @@ -61,8 +59,12 @@ function goappSetupNotifyUpdate(registration) { registration.addEventListener("updatefound", (event) => { const newSW = registration.installing; newSW.addEventListener("statechange", (event) => { + if (!navigator.serviceWorker.controller) { + return; + } + switch (newSW.state) { - case "activated": + case "installed": goappOnUpdate(); } }); diff --git a/pkg/app/scripts.go b/pkg/app/scripts.go index 62a340d9..0d7de09e 100644 --- a/pkg/app/scripts.go +++ b/pkg/app/scripts.go @@ -10,7 +10,7 @@ const ( wasmExecJSGoCurrent = "// Copyright 2018 The Go Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style\n// license that can be found in the LICENSE file.\n\n\"use strict\";\n\n(() => {\n\tconst enosys = () => {\n\t\tconst err = new Error(\"not implemented\");\n\t\terr.code = \"ENOSYS\";\n\t\treturn err;\n\t};\n\n\tif (!globalThis.fs) {\n\t\tlet outputBuf = \"\";\n\t\tglobalThis.fs = {\n\t\t\tconstants: { O_WRONLY: -1, O_RDWR: -1, O_CREAT: -1, O_TRUNC: -1, O_APPEND: -1, O_EXCL: -1 }, // unused\n\t\t\twriteSync(fd, buf) {\n\t\t\t\toutputBuf += decoder.decode(buf);\n\t\t\t\tconst nl = outputBuf.lastIndexOf(\"\\n\");\n\t\t\t\tif (nl != -1) {\n\t\t\t\t\tconsole.log(outputBuf.substring(0, nl));\n\t\t\t\t\toutputBuf = outputBuf.substring(nl + 1);\n\t\t\t\t}\n\t\t\t\treturn buf.length;\n\t\t\t},\n\t\t\twrite(fd, buf, offset, length, position, callback) {\n\t\t\t\tif (offset !== 0 || length !== buf.length || position !== null) {\n\t\t\t\t\tcallback(enosys());\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tconst n = this.writeSync(fd, buf);\n\t\t\t\tcallback(null, n);\n\t\t\t},\n\t\t\tchmod(path, mode, callback) { callback(enosys()); },\n\t\t\tchown(path, uid, gid, callback) { callback(enosys()); },\n\t\t\tclose(fd, callback) { callback(enosys()); },\n\t\t\tfchmod(fd, mode, callback) { callback(enosys()); },\n\t\t\tfchown(fd, uid, gid, callback) { callback(enosys()); },\n\t\t\tfstat(fd, callback) { callback(enosys()); },\n\t\t\tfsync(fd, callback) { callback(null); },\n\t\t\tftruncate(fd, length, callback) { callback(enosys()); },\n\t\t\tlchown(path, uid, gid, callback) { callback(enosys()); },\n\t\t\tlink(path, link, callback) { callback(enosys()); },\n\t\t\tlstat(path, callback) { callback(enosys()); },\n\t\t\tmkdir(path, perm, callback) { callback(enosys()); },\n\t\t\topen(path, flags, mode, callback) { callback(enosys()); },\n\t\t\tread(fd, buffer, offset, length, position, callback) { callback(enosys()); },\n\t\t\treaddir(path, callback) { callback(enosys()); },\n\t\t\treadlink(path, callback) { callback(enosys()); },\n\t\t\trename(from, to, callback) { callback(enosys()); },\n\t\t\trmdir(path, callback) { callback(enosys()); },\n\t\t\tstat(path, callback) { callback(enosys()); },\n\t\t\tsymlink(path, link, callback) { callback(enosys()); },\n\t\t\ttruncate(path, length, callback) { callback(enosys()); },\n\t\t\tunlink(path, callback) { callback(enosys()); },\n\t\t\tutimes(path, atime, mtime, callback) { callback(enosys()); },\n\t\t};\n\t}\n\n\tif (!globalThis.process) {\n\t\tglobalThis.process = {\n\t\t\tgetuid() { return -1; },\n\t\t\tgetgid() { return -1; },\n\t\t\tgeteuid() { return -1; },\n\t\t\tgetegid() { return -1; },\n\t\t\tgetgroups() { throw enosys(); },\n\t\t\tpid: -1,\n\t\t\tppid: -1,\n\t\t\tumask() { throw enosys(); },\n\t\t\tcwd() { throw enosys(); },\n\t\t\tchdir() { throw enosys(); },\n\t\t}\n\t}\n\n\tif (!globalThis.crypto) {\n\t\tthrow new Error(\"globalThis.crypto is not available, polyfill required (crypto.getRandomValues only)\");\n\t}\n\n\tif (!globalThis.performance) {\n\t\tthrow new Error(\"globalThis.performance is not available, polyfill required (performance.now only)\");\n\t}\n\n\tif (!globalThis.TextEncoder) {\n\t\tthrow new Error(\"globalThis.TextEncoder is not available, polyfill required\");\n\t}\n\n\tif (!globalThis.TextDecoder) {\n\t\tthrow new Error(\"globalThis.TextDecoder is not available, polyfill required\");\n\t}\n\n\tconst encoder = new TextEncoder(\"utf-8\");\n\tconst decoder = new TextDecoder(\"utf-8\");\n\n\tglobalThis.Go = class {\n\t\tconstructor() {\n\t\t\tthis.argv = [\"js\"];\n\t\t\tthis.env = {};\n\t\t\tthis.exit = (code) => {\n\t\t\t\tif (code !== 0) {\n\t\t\t\t\tconsole.warn(\"exit code:\", code);\n\t\t\t\t}\n\t\t\t};\n\t\t\tthis._exitPromise = new Promise((resolve) => {\n\t\t\t\tthis._resolveExitPromise = resolve;\n\t\t\t});\n\t\t\tthis._pendingEvent = null;\n\t\t\tthis._scheduledTimeouts = new Map();\n\t\t\tthis._nextCallbackTimeoutID = 1;\n\n\t\t\tconst setInt64 = (addr, v) => {\n\t\t\t\tthis.mem.setUint32(addr + 0, v, true);\n\t\t\t\tthis.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true);\n\t\t\t}\n\n\t\t\tconst setInt32 = (addr, v) => {\n\t\t\t\tthis.mem.setUint32(addr + 0, v, true);\n\t\t\t}\n\n\t\t\tconst getInt64 = (addr) => {\n\t\t\t\tconst low = this.mem.getUint32(addr + 0, true);\n\t\t\t\tconst high = this.mem.getInt32(addr + 4, true);\n\t\t\t\treturn low + high * 4294967296;\n\t\t\t}\n\n\t\t\tconst loadValue = (addr) => {\n\t\t\t\tconst f = this.mem.getFloat64(addr, true);\n\t\t\t\tif (f === 0) {\n\t\t\t\t\treturn undefined;\n\t\t\t\t}\n\t\t\t\tif (!isNaN(f)) {\n\t\t\t\t\treturn f;\n\t\t\t\t}\n\n\t\t\t\tconst id = this.mem.getUint32(addr, true);\n\t\t\t\treturn this._values[id];\n\t\t\t}\n\n\t\t\tconst storeValue = (addr, v) => {\n\t\t\t\tconst nanHead = 0x7FF80000;\n\n\t\t\t\tif (typeof v === \"number\" && v !== 0) {\n\t\t\t\t\tif (isNaN(v)) {\n\t\t\t\t\t\tthis.mem.setUint32(addr + 4, nanHead, true);\n\t\t\t\t\t\tthis.mem.setUint32(addr, 0, true);\n\t\t\t\t\t\treturn;\n\t\t\t\t\t}\n\t\t\t\t\tthis.mem.setFloat64(addr, v, true);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tif (v === undefined) {\n\t\t\t\t\tthis.mem.setFloat64(addr, 0, true);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tlet id = this._ids.get(v);\n\t\t\t\tif (id === undefined) {\n\t\t\t\t\tid = this._idPool.pop();\n\t\t\t\t\tif (id === undefined) {\n\t\t\t\t\t\tid = this._values.length;\n\t\t\t\t\t}\n\t\t\t\t\tthis._values[id] = v;\n\t\t\t\t\tthis._goRefCounts[id] = 0;\n\t\t\t\t\tthis._ids.set(v, id);\n\t\t\t\t}\n\t\t\t\tthis._goRefCounts[id]++;\n\t\t\t\tlet typeFlag = 0;\n\t\t\t\tswitch (typeof v) {\n\t\t\t\t\tcase \"object\":\n\t\t\t\t\t\tif (v !== null) {\n\t\t\t\t\t\t\ttypeFlag = 1;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase \"string\":\n\t\t\t\t\t\ttypeFlag = 2;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase \"symbol\":\n\t\t\t\t\t\ttypeFlag = 3;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase \"function\":\n\t\t\t\t\t\ttypeFlag = 4;\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tthis.mem.setUint32(addr + 4, nanHead | typeFlag, true);\n\t\t\t\tthis.mem.setUint32(addr, id, true);\n\t\t\t}\n\n\t\t\tconst loadSlice = (addr) => {\n\t\t\t\tconst array = getInt64(addr + 0);\n\t\t\t\tconst len = getInt64(addr + 8);\n\t\t\t\treturn new Uint8Array(this._inst.exports.mem.buffer, array, len);\n\t\t\t}\n\n\t\t\tconst loadSliceOfValues = (addr) => {\n\t\t\t\tconst array = getInt64(addr + 0);\n\t\t\t\tconst len = getInt64(addr + 8);\n\t\t\t\tconst a = new Array(len);\n\t\t\t\tfor (let i = 0; i < len; i++) {\n\t\t\t\t\ta[i] = loadValue(array + i * 8);\n\t\t\t\t}\n\t\t\t\treturn a;\n\t\t\t}\n\n\t\t\tconst loadString = (addr) => {\n\t\t\t\tconst saddr = getInt64(addr + 0);\n\t\t\t\tconst len = getInt64(addr + 8);\n\t\t\t\treturn decoder.decode(new DataView(this._inst.exports.mem.buffer, saddr, len));\n\t\t\t}\n\n\t\t\tconst timeOrigin = Date.now() - performance.now();\n\t\t\tthis.importObject = {\n\t\t\t\t_gotest: {\n\t\t\t\t\tadd: (a, b) => a + b,\n\t\t\t\t},\n\t\t\t\tgojs: {\n\t\t\t\t\t// Go's SP does not change as long as no Go code is running. Some operations (e.g. calls, getters and setters)\n\t\t\t\t\t// may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported\n\t\t\t\t\t// function. A goroutine can switch to a new stack if the current stack is too small (see morestack function).\n\t\t\t\t\t// This changes the SP, thus we have to update the SP used by the imported function.\n\n\t\t\t\t\t// func wasmExit(code int32)\n\t\t\t\t\t\"runtime.wasmExit\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tconst code = this.mem.getInt32(sp + 8, true);\n\t\t\t\t\t\tthis.exited = true;\n\t\t\t\t\t\tdelete this._inst;\n\t\t\t\t\t\tdelete this._values;\n\t\t\t\t\t\tdelete this._goRefCounts;\n\t\t\t\t\t\tdelete this._ids;\n\t\t\t\t\t\tdelete this._idPool;\n\t\t\t\t\t\tthis.exit(code);\n\t\t\t\t\t},\n\n\t\t\t\t\t// func wasmWrite(fd uintptr, p unsafe.Pointer, n int32)\n\t\t\t\t\t\"runtime.wasmWrite\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tconst fd = getInt64(sp + 8);\n\t\t\t\t\t\tconst p = getInt64(sp + 16);\n\t\t\t\t\t\tconst n = this.mem.getInt32(sp + 24, true);\n\t\t\t\t\t\tfs.writeSync(fd, new Uint8Array(this._inst.exports.mem.buffer, p, n));\n\t\t\t\t\t},\n\n\t\t\t\t\t// func resetMemoryDataView()\n\t\t\t\t\t\"runtime.resetMemoryDataView\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tthis.mem = new DataView(this._inst.exports.mem.buffer);\n\t\t\t\t\t},\n\n\t\t\t\t\t// func nanotime1() int64\n\t\t\t\t\t\"runtime.nanotime1\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tsetInt64(sp + 8, (timeOrigin + performance.now()) * 1000000);\n\t\t\t\t\t},\n\n\t\t\t\t\t// func walltime() (sec int64, nsec int32)\n\t\t\t\t\t\"runtime.walltime\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tconst msec = (new Date).getTime();\n\t\t\t\t\t\tsetInt64(sp + 8, msec / 1000);\n\t\t\t\t\t\tthis.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true);\n\t\t\t\t\t},\n\n\t\t\t\t\t// func scheduleTimeoutEvent(delay int64) int32\n\t\t\t\t\t\"runtime.scheduleTimeoutEvent\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tconst id = this._nextCallbackTimeoutID;\n\t\t\t\t\t\tthis._nextCallbackTimeoutID++;\n\t\t\t\t\t\tthis._scheduledTimeouts.set(id, setTimeout(\n\t\t\t\t\t\t\t() => {\n\t\t\t\t\t\t\t\tthis._resume();\n\t\t\t\t\t\t\t\twhile (this._scheduledTimeouts.has(id)) {\n\t\t\t\t\t\t\t\t\t// for some reason Go failed to register the timeout event, log and try again\n\t\t\t\t\t\t\t\t\t// (temporary workaround for https://github.com/golang/go/issues/28975)\n\t\t\t\t\t\t\t\t\tconsole.warn(\"scheduleTimeoutEvent: missed timeout event\");\n\t\t\t\t\t\t\t\t\tthis._resume();\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\tgetInt64(sp + 8),\n\t\t\t\t\t\t));\n\t\t\t\t\t\tthis.mem.setInt32(sp + 16, id, true);\n\t\t\t\t\t},\n\n\t\t\t\t\t// func clearTimeoutEvent(id int32)\n\t\t\t\t\t\"runtime.clearTimeoutEvent\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tconst id = this.mem.getInt32(sp + 8, true);\n\t\t\t\t\t\tclearTimeout(this._scheduledTimeouts.get(id));\n\t\t\t\t\t\tthis._scheduledTimeouts.delete(id);\n\t\t\t\t\t},\n\n\t\t\t\t\t// func getRandomData(r []byte)\n\t\t\t\t\t\"runtime.getRandomData\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tcrypto.getRandomValues(loadSlice(sp + 8));\n\t\t\t\t\t},\n\n\t\t\t\t\t// func finalizeRef(v ref)\n\t\t\t\t\t\"syscall/js.finalizeRef\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tconst id = this.mem.getUint32(sp + 8, true);\n\t\t\t\t\t\tthis._goRefCounts[id]--;\n\t\t\t\t\t\tif (this._goRefCounts[id] === 0) {\n\t\t\t\t\t\t\tconst v = this._values[id];\n\t\t\t\t\t\t\tthis._values[id] = null;\n\t\t\t\t\t\t\tthis._ids.delete(v);\n\t\t\t\t\t\t\tthis._idPool.push(id);\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\n\t\t\t\t\t// func stringVal(value string) ref\n\t\t\t\t\t\"syscall/js.stringVal\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tstoreValue(sp + 24, loadString(sp + 8));\n\t\t\t\t\t},\n\n\t\t\t\t\t// func valueGet(v ref, p string) ref\n\t\t\t\t\t\"syscall/js.valueGet\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tconst result = Reflect.get(loadValue(sp + 8), loadString(sp + 16));\n\t\t\t\t\t\tsp = this._inst.exports.getsp() >>> 0; // see comment above\n\t\t\t\t\t\tstoreValue(sp + 32, result);\n\t\t\t\t\t},\n\n\t\t\t\t\t// func valueSet(v ref, p string, x ref)\n\t\t\t\t\t\"syscall/js.valueSet\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tReflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32));\n\t\t\t\t\t},\n\n\t\t\t\t\t// func valueDelete(v ref, p string)\n\t\t\t\t\t\"syscall/js.valueDelete\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tReflect.deleteProperty(loadValue(sp + 8), loadString(sp + 16));\n\t\t\t\t\t},\n\n\t\t\t\t\t// func valueIndex(v ref, i int) ref\n\t\t\t\t\t\"syscall/js.valueIndex\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tstoreValue(sp + 24, Reflect.get(loadValue(sp + 8), getInt64(sp + 16)));\n\t\t\t\t\t},\n\n\t\t\t\t\t// valueSetIndex(v ref, i int, x ref)\n\t\t\t\t\t\"syscall/js.valueSetIndex\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tReflect.set(loadValue(sp + 8), getInt64(sp + 16), loadValue(sp + 24));\n\t\t\t\t\t},\n\n\t\t\t\t\t// func valueCall(v ref, m string, args []ref) (ref, bool)\n\t\t\t\t\t\"syscall/js.valueCall\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\ttry {\n\t\t\t\t\t\t\tconst v = loadValue(sp + 8);\n\t\t\t\t\t\t\tconst m = Reflect.get(v, loadString(sp + 16));\n\t\t\t\t\t\t\tconst args = loadSliceOfValues(sp + 32);\n\t\t\t\t\t\t\tconst result = Reflect.apply(m, v, args);\n\t\t\t\t\t\t\tsp = this._inst.exports.getsp() >>> 0; // see comment above\n\t\t\t\t\t\t\tstoreValue(sp + 56, result);\n\t\t\t\t\t\t\tthis.mem.setUint8(sp + 64, 1);\n\t\t\t\t\t\t} catch (err) {\n\t\t\t\t\t\t\tsp = this._inst.exports.getsp() >>> 0; // see comment above\n\t\t\t\t\t\t\tstoreValue(sp + 56, err);\n\t\t\t\t\t\t\tthis.mem.setUint8(sp + 64, 0);\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\n\t\t\t\t\t// func valueInvoke(v ref, args []ref) (ref, bool)\n\t\t\t\t\t\"syscall/js.valueInvoke\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\ttry {\n\t\t\t\t\t\t\tconst v = loadValue(sp + 8);\n\t\t\t\t\t\t\tconst args = loadSliceOfValues(sp + 16);\n\t\t\t\t\t\t\tconst result = Reflect.apply(v, undefined, args);\n\t\t\t\t\t\t\tsp = this._inst.exports.getsp() >>> 0; // see comment above\n\t\t\t\t\t\t\tstoreValue(sp + 40, result);\n\t\t\t\t\t\t\tthis.mem.setUint8(sp + 48, 1);\n\t\t\t\t\t\t} catch (err) {\n\t\t\t\t\t\t\tsp = this._inst.exports.getsp() >>> 0; // see comment above\n\t\t\t\t\t\t\tstoreValue(sp + 40, err);\n\t\t\t\t\t\t\tthis.mem.setUint8(sp + 48, 0);\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\n\t\t\t\t\t// func valueNew(v ref, args []ref) (ref, bool)\n\t\t\t\t\t\"syscall/js.valueNew\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\ttry {\n\t\t\t\t\t\t\tconst v = loadValue(sp + 8);\n\t\t\t\t\t\t\tconst args = loadSliceOfValues(sp + 16);\n\t\t\t\t\t\t\tconst result = Reflect.construct(v, args);\n\t\t\t\t\t\t\tsp = this._inst.exports.getsp() >>> 0; // see comment above\n\t\t\t\t\t\t\tstoreValue(sp + 40, result);\n\t\t\t\t\t\t\tthis.mem.setUint8(sp + 48, 1);\n\t\t\t\t\t\t} catch (err) {\n\t\t\t\t\t\t\tsp = this._inst.exports.getsp() >>> 0; // see comment above\n\t\t\t\t\t\t\tstoreValue(sp + 40, err);\n\t\t\t\t\t\t\tthis.mem.setUint8(sp + 48, 0);\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\n\t\t\t\t\t// func valueLength(v ref) int\n\t\t\t\t\t\"syscall/js.valueLength\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tsetInt64(sp + 16, parseInt(loadValue(sp + 8).length));\n\t\t\t\t\t},\n\n\t\t\t\t\t// valuePrepareString(v ref) (ref, int)\n\t\t\t\t\t\"syscall/js.valuePrepareString\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tconst str = encoder.encode(String(loadValue(sp + 8)));\n\t\t\t\t\t\tstoreValue(sp + 16, str);\n\t\t\t\t\t\tsetInt64(sp + 24, str.length);\n\t\t\t\t\t},\n\n\t\t\t\t\t// valueLoadString(v ref, b []byte)\n\t\t\t\t\t\"syscall/js.valueLoadString\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tconst str = loadValue(sp + 8);\n\t\t\t\t\t\tloadSlice(sp + 16).set(str);\n\t\t\t\t\t},\n\n\t\t\t\t\t// func valueInstanceOf(v ref, t ref) bool\n\t\t\t\t\t\"syscall/js.valueInstanceOf\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tthis.mem.setUint8(sp + 24, (loadValue(sp + 8) instanceof loadValue(sp + 16)) ? 1 : 0);\n\t\t\t\t\t},\n\n\t\t\t\t\t// func copyBytesToGo(dst []byte, src ref) (int, bool)\n\t\t\t\t\t\"syscall/js.copyBytesToGo\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tconst dst = loadSlice(sp + 8);\n\t\t\t\t\t\tconst src = loadValue(sp + 32);\n\t\t\t\t\t\tif (!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)) {\n\t\t\t\t\t\t\tthis.mem.setUint8(sp + 48, 0);\n\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tconst toCopy = src.subarray(0, dst.length);\n\t\t\t\t\t\tdst.set(toCopy);\n\t\t\t\t\t\tsetInt64(sp + 40, toCopy.length);\n\t\t\t\t\t\tthis.mem.setUint8(sp + 48, 1);\n\t\t\t\t\t},\n\n\t\t\t\t\t// func copyBytesToJS(dst ref, src []byte) (int, bool)\n\t\t\t\t\t\"syscall/js.copyBytesToJS\": (sp) => {\n\t\t\t\t\t\tsp >>>= 0;\n\t\t\t\t\t\tconst dst = loadValue(sp + 8);\n\t\t\t\t\t\tconst src = loadSlice(sp + 16);\n\t\t\t\t\t\tif (!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)) {\n\t\t\t\t\t\t\tthis.mem.setUint8(sp + 48, 0);\n\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tconst toCopy = src.subarray(0, dst.length);\n\t\t\t\t\t\tdst.set(toCopy);\n\t\t\t\t\t\tsetInt64(sp + 40, toCopy.length);\n\t\t\t\t\t\tthis.mem.setUint8(sp + 48, 1);\n\t\t\t\t\t},\n\n\t\t\t\t\t\"debug\": (value) => {\n\t\t\t\t\t\tconsole.log(value);\n\t\t\t\t\t},\n\t\t\t\t}\n\t\t\t};\n\t\t}\n\n\t\tasync run(instance) {\n\t\t\tif (!(instance instanceof WebAssembly.Instance)) {\n\t\t\t\tthrow new Error(\"Go.run: WebAssembly.Instance expected\");\n\t\t\t}\n\t\t\tthis._inst = instance;\n\t\t\tthis.mem = new DataView(this._inst.exports.mem.buffer);\n\t\t\tthis._values = [ // JS values that Go currently has references to, indexed by reference id\n\t\t\t\tNaN,\n\t\t\t\t0,\n\t\t\t\tnull,\n\t\t\t\ttrue,\n\t\t\t\tfalse,\n\t\t\t\tglobalThis,\n\t\t\t\tthis,\n\t\t\t];\n\t\t\tthis._goRefCounts = new Array(this._values.length).fill(Infinity); // number of references that Go has to a JS value, indexed by reference id\n\t\t\tthis._ids = new Map([ // mapping from JS values to reference ids\n\t\t\t\t[0, 1],\n\t\t\t\t[null, 2],\n\t\t\t\t[true, 3],\n\t\t\t\t[false, 4],\n\t\t\t\t[globalThis, 5],\n\t\t\t\t[this, 6],\n\t\t\t]);\n\t\t\tthis._idPool = []; // unused ids that have been garbage collected\n\t\t\tthis.exited = false; // whether the Go program has exited\n\n\t\t\t// Pass command line arguments and environment variables to WebAssembly by writing them to the linear memory.\n\t\t\tlet offset = 4096;\n\n\t\t\tconst strPtr = (str) => {\n\t\t\t\tconst ptr = offset;\n\t\t\t\tconst bytes = encoder.encode(str + \"\\0\");\n\t\t\t\tnew Uint8Array(this.mem.buffer, offset, bytes.length).set(bytes);\n\t\t\t\toffset += bytes.length;\n\t\t\t\tif (offset % 8 !== 0) {\n\t\t\t\t\toffset += 8 - (offset % 8);\n\t\t\t\t}\n\t\t\t\treturn ptr;\n\t\t\t};\n\n\t\t\tconst argc = this.argv.length;\n\n\t\t\tconst argvPtrs = [];\n\t\t\tthis.argv.forEach((arg) => {\n\t\t\t\targvPtrs.push(strPtr(arg));\n\t\t\t});\n\t\t\targvPtrs.push(0);\n\n\t\t\tconst keys = Object.keys(this.env).sort();\n\t\t\tkeys.forEach((key) => {\n\t\t\t\targvPtrs.push(strPtr(`${key}=${this.env[key]}`));\n\t\t\t});\n\t\t\targvPtrs.push(0);\n\n\t\t\tconst argv = offset;\n\t\t\targvPtrs.forEach((ptr) => {\n\t\t\t\tthis.mem.setUint32(offset, ptr, true);\n\t\t\t\tthis.mem.setUint32(offset + 4, 0, true);\n\t\t\t\toffset += 8;\n\t\t\t});\n\n\t\t\t// The linker guarantees global data starts from at least wasmMinDataAddr.\n\t\t\t// Keep in sync with cmd/link/internal/ld/data.go:wasmMinDataAddr.\n\t\t\tconst wasmMinDataAddr = 4096 + 8192;\n\t\t\tif (offset >= wasmMinDataAddr) {\n\t\t\t\tthrow new Error(\"total length of command line and environment variables exceeds limit\");\n\t\t\t}\n\n\t\t\tthis._inst.exports.run(argc, argv);\n\t\t\tif (this.exited) {\n\t\t\t\tthis._resolveExitPromise();\n\t\t\t}\n\t\t\tawait this._exitPromise;\n\t\t}\n\n\t\t_resume() {\n\t\t\tif (this.exited) {\n\t\t\t\tthrow new Error(\"Go program has already exited\");\n\t\t\t}\n\t\t\tthis._inst.exports.resume();\n\t\t\tif (this.exited) {\n\t\t\t\tthis._resolveExitPromise();\n\t\t\t}\n\t\t}\n\n\t\t_makeFuncWrapper(id) {\n\t\t\tconst go = this;\n\t\t\treturn function () {\n\t\t\t\tconst event = { id: id, this: this, args: arguments };\n\t\t\t\tgo._pendingEvent = event;\n\t\t\t\tgo._resume();\n\t\t\t\treturn event.result;\n\t\t\t};\n\t\t}\n\t}\n})();\n" - appJS = "// -----------------------------------------------------------------------------\n// go-app\n// -----------------------------------------------------------------------------\nvar goappNav = function () {};\n\nvar goappUpdatedBeforeWasmLoaded = false;\nvar goappOnUpdate = function () {\n goappUpdatedBeforeWasmLoaded = true;\n};\n\nvar goappAppInstallChangedBeforeWasmLoaded = false;\nvar goappOnAppInstallChange = function () {\n goappAppInstallChangedBeforeWasmLoaded = true;\n};\n\nconst goappEnv = {{.Env}};\nconst goappLoadingLabel = \"{{.LoadingLabel}}\";\nconst goappWasmContentLength = \"{{.WasmContentLength}}\";\nconst goappWasmContentLengthHeader = \"{{.WasmContentLengthHeader}}\";\n\nlet goappServiceWorkerRegistration;\nlet deferredPrompt = null;\n\ngoappInitServiceWorker();\ngoappWatchForUpdate();\ngoappWatchForInstallable();\ngoappInitWebAssembly();\n\n// -----------------------------------------------------------------------------\n// Service Worker\n// -----------------------------------------------------------------------------\nasync function goappInitServiceWorker() {\n if (\"serviceWorker\" in navigator) {\n window.addEventListener(\"load\", async () => {\n try {\n const registration = await navigator.serviceWorker.register(\n \"{{.WorkerJS}}\"\n );\n goappServiceWorkerRegistration = registration;\n goappSetupNotifyUpdate(registration);\n goappSetupPushNotification();\n } catch (err) {\n console.error(\"goapp service worker registration failed: \", err);\n }\n });\n }\n}\n\n// -----------------------------------------------------------------------------\n// Update\n// -----------------------------------------------------------------------------\nfunction goappWatchForUpdate() {\n window.addEventListener(\"beforeinstallprompt\", (e) => {\n e.preventDefault();\n deferredPrompt = e;\n goappOnAppInstallChange();\n });\n}\n\nfunction goappSetupNotifyUpdate(registration) {\n registration.addEventListener(\"updatefound\", (event) => {\n const newSW = registration.installing;\n newSW.addEventListener(\"statechange\", (event) => {\n switch (newSW.state) {\n case \"activated\":\n goappOnUpdate();\n }\n });\n });\n}\n\nfunction goappTryUpdate() {\n if (!goappServiceWorkerRegistration) {\n return;\n }\n goappServiceWorkerRegistration.update();\n}\n\n// -----------------------------------------------------------------------------\n// Install\n// -----------------------------------------------------------------------------\nfunction goappWatchForInstallable() {\n window.addEventListener(\"appinstalled\", () => {\n deferredPrompt = null;\n goappOnAppInstallChange();\n });\n}\n\nfunction goappIsAppInstallable() {\n return !goappIsAppInstalled() && deferredPrompt != null;\n}\n\nfunction goappIsAppInstalled() {\n const isStandalone = window.matchMedia(\"(display-mode: standalone)\").matches;\n return isStandalone || navigator.standalone;\n}\n\nasync function goappShowInstallPrompt() {\n deferredPrompt.prompt();\n await deferredPrompt.userChoice;\n deferredPrompt = null;\n}\n\n// -----------------------------------------------------------------------------\n// Environment\n// -----------------------------------------------------------------------------\nfunction goappGetenv(k) {\n return goappEnv[k];\n}\n\n// -----------------------------------------------------------------------------\n// Notifications\n// -----------------------------------------------------------------------------\nfunction goappSetupPushNotification() {\n navigator.serviceWorker.addEventListener(\"message\", (event) => {\n const msg = event.data.goapp;\n if (!msg) {\n return;\n }\n\n if (msg.type !== \"notification\") {\n return;\n }\n\n goappNav(msg.path);\n });\n}\n\nasync function goappSubscribePushNotifications(vapIDpublicKey) {\n try {\n const subscription =\n await goappServiceWorkerRegistration.pushManager.subscribe({\n userVisibleOnly: true,\n applicationServerKey: vapIDpublicKey,\n });\n return JSON.stringify(subscription);\n } catch (err) {\n console.error(err);\n return \"\";\n }\n}\n\nfunction goappNewNotification(jsonNotification) {\n let notification = JSON.parse(jsonNotification);\n\n const title = notification.title;\n delete notification.title;\n\n let path = notification.path;\n if (!path) {\n path = \"/\";\n }\n\n const webNotification = new Notification(title, notification);\n\n webNotification.onclick = () => {\n goappNav(path);\n webNotification.close();\n };\n}\n\n// -----------------------------------------------------------------------------\n// Keep Clean Body\n// -----------------------------------------------------------------------------\nfunction goappKeepBodyClean() {\n const body = document.body;\n const bodyChildrenCount = body.children.length;\n\n const mutationObserver = new MutationObserver(function (mutationList) {\n mutationList.forEach((mutation) => {\n switch (mutation.type) {\n case \"childList\":\n while (body.children.length > bodyChildrenCount) {\n body.removeChild(body.lastChild);\n }\n break;\n }\n });\n });\n\n mutationObserver.observe(document.body, {\n childList: true,\n });\n\n return () => mutationObserver.disconnect();\n}\n\n// -----------------------------------------------------------------------------\n// Web Assembly\n// -----------------------------------------------------------------------------\nasync function goappInitWebAssembly() {\n const loader = document.getElementById(\"app-wasm-loader\");\n\n if (!goappCanLoadWebAssembly()) {\n loader.remove();\n return;\n }\n\n let instantiateStreaming = WebAssembly.instantiateStreaming;\n if (!instantiateStreaming) {\n instantiateStreaming = async (resp, importObject) => {\n const source = await (await resp).arrayBuffer();\n return await WebAssembly.instantiate(source, importObject);\n };\n }\n\n const loaderIcon = document.getElementById(\"app-wasm-loader-icon\");\n const loaderLabel = document.getElementById(\"app-wasm-loader-label\");\n\n try {\n const showProgress = (progress) => {\n loaderLabel.innerText = goappLoadingLabel.replace(\"{progress}\", progress);\n };\n showProgress(0);\n\n const go = new Go();\n const wasm = await instantiateStreaming(\n fetchWithProgress(\"{{.Wasm}}\", showProgress),\n go.importObject\n );\n\n go.run(wasm.instance);\n loader.remove();\n } catch (err) {\n loaderIcon.className = \"goapp-logo\";\n loaderLabel.innerText = err;\n console.error(\"loading wasm failed: \", err);\n }\n}\n\nfunction goappCanLoadWebAssembly() {\n if (\n /bot|googlebot|crawler|spider|robot|crawling/i.test(navigator.userAgent)\n ) {\n return false;\n }\n\n const urlParams = new URLSearchParams(window.location.search);\n return urlParams.get(\"wasm\") !== \"false\";\n}\n\nasync function fetchWithProgress(url, progess) {\n const response = await fetch(url);\n\n let contentLength = goappWasmContentLength;\n if (contentLength <= 0) {\n try {\n contentLength = response.headers.get(goappWasmContentLengthHeader);\n } catch {}\n if (!goappWasmContentLengthHeader || !contentLength) {\n contentLength = response.headers.get(\"Content-Length\");\n }\n }\n\n const total = parseInt(contentLength, 10);\n let loaded = 0;\n\n const progressHandler = function (loaded, total) {\n progess(Math.round((loaded * 100) / total));\n };\n\n var res = new Response(\n new ReadableStream(\n {\n async start(controller) {\n var reader = response.body.getReader();\n for (;;) {\n var { done, value } = await reader.read();\n\n if (done) {\n progressHandler(total, total);\n break;\n }\n\n loaded += value.byteLength;\n progressHandler(loaded, total);\n controller.enqueue(value);\n }\n controller.close();\n },\n },\n {\n status: response.status,\n statusText: response.statusText,\n }\n )\n );\n\n for (var pair of response.headers.entries()) {\n res.headers.set(pair[0], pair[1]);\n }\n\n return res;\n}\n" + appJS = "// -----------------------------------------------------------------------------\n// go-app\n// -----------------------------------------------------------------------------\nvar goappNav = function () {};\n\nvar goappUpdatedBeforeWasmLoaded = false;\nvar goappOnUpdate = function () {\n goappUpdatedBeforeWasmLoaded = true;\n};\n\nvar goappAppInstallChangedBeforeWasmLoaded = false;\nvar goappOnAppInstallChange = function () {\n goappAppInstallChangedBeforeWasmLoaded = true;\n};\n\nconst goappEnv = {{.Env}};\nconst goappLoadingLabel = \"{{.LoadingLabel}}\";\nconst goappWasmContentLength = \"{{.WasmContentLength}}\";\nconst goappWasmContentLengthHeader = \"{{.WasmContentLengthHeader}}\";\n\nlet goappServiceWorkerRegistration;\nlet deferredPrompt = null;\n\ngoappInitServiceWorker();\ngoappWatchForUpdate();\ngoappWatchForInstallable();\ngoappInitWebAssembly();\n\n// -----------------------------------------------------------------------------\n// Service Worker\n// -----------------------------------------------------------------------------\nasync function goappInitServiceWorker() {\n if (\"serviceWorker\" in navigator) {\n try {\n const registration = await navigator.serviceWorker.register(\n \"{{.WorkerJS}}\"\n );\n goappServiceWorkerRegistration = registration;\n goappSetupNotifyUpdate(registration);\n goappSetupPushNotification();\n } catch (err) {\n console.error(\"goapp service worker registration failed: \", err);\n }\n }\n}\n\n// -----------------------------------------------------------------------------\n// Update\n// -----------------------------------------------------------------------------\nfunction goappWatchForUpdate() {\n window.addEventListener(\"beforeinstallprompt\", (e) => {\n e.preventDefault();\n deferredPrompt = e;\n goappOnAppInstallChange();\n });\n}\n\nfunction goappSetupNotifyUpdate(registration) {\n registration.addEventListener(\"updatefound\", (event) => {\n const newSW = registration.installing;\n newSW.addEventListener(\"statechange\", (event) => {\n if (!navigator.serviceWorker.controller) {\n return;\n }\n\n switch (newSW.state) {\n case \"installed\":\n goappOnUpdate();\n }\n });\n });\n}\n\nfunction goappTryUpdate() {\n if (!goappServiceWorkerRegistration) {\n return;\n }\n goappServiceWorkerRegistration.update();\n}\n\n// -----------------------------------------------------------------------------\n// Install\n// -----------------------------------------------------------------------------\nfunction goappWatchForInstallable() {\n window.addEventListener(\"appinstalled\", () => {\n deferredPrompt = null;\n goappOnAppInstallChange();\n });\n}\n\nfunction goappIsAppInstallable() {\n return !goappIsAppInstalled() && deferredPrompt != null;\n}\n\nfunction goappIsAppInstalled() {\n const isStandalone = window.matchMedia(\"(display-mode: standalone)\").matches;\n return isStandalone || navigator.standalone;\n}\n\nasync function goappShowInstallPrompt() {\n deferredPrompt.prompt();\n await deferredPrompt.userChoice;\n deferredPrompt = null;\n}\n\n// -----------------------------------------------------------------------------\n// Environment\n// -----------------------------------------------------------------------------\nfunction goappGetenv(k) {\n return goappEnv[k];\n}\n\n// -----------------------------------------------------------------------------\n// Notifications\n// -----------------------------------------------------------------------------\nfunction goappSetupPushNotification() {\n navigator.serviceWorker.addEventListener(\"message\", (event) => {\n const msg = event.data.goapp;\n if (!msg) {\n return;\n }\n\n if (msg.type !== \"notification\") {\n return;\n }\n\n goappNav(msg.path);\n });\n}\n\nasync function goappSubscribePushNotifications(vapIDpublicKey) {\n try {\n const subscription =\n await goappServiceWorkerRegistration.pushManager.subscribe({\n userVisibleOnly: true,\n applicationServerKey: vapIDpublicKey,\n });\n return JSON.stringify(subscription);\n } catch (err) {\n console.error(err);\n return \"\";\n }\n}\n\nfunction goappNewNotification(jsonNotification) {\n let notification = JSON.parse(jsonNotification);\n\n const title = notification.title;\n delete notification.title;\n\n let path = notification.path;\n if (!path) {\n path = \"/\";\n }\n\n const webNotification = new Notification(title, notification);\n\n webNotification.onclick = () => {\n goappNav(path);\n webNotification.close();\n };\n}\n\n// -----------------------------------------------------------------------------\n// Keep Clean Body\n// -----------------------------------------------------------------------------\nfunction goappKeepBodyClean() {\n const body = document.body;\n const bodyChildrenCount = body.children.length;\n\n const mutationObserver = new MutationObserver(function (mutationList) {\n mutationList.forEach((mutation) => {\n switch (mutation.type) {\n case \"childList\":\n while (body.children.length > bodyChildrenCount) {\n body.removeChild(body.lastChild);\n }\n break;\n }\n });\n });\n\n mutationObserver.observe(document.body, {\n childList: true,\n });\n\n return () => mutationObserver.disconnect();\n}\n\n// -----------------------------------------------------------------------------\n// Web Assembly\n// -----------------------------------------------------------------------------\nasync function goappInitWebAssembly() {\n const loader = document.getElementById(\"app-wasm-loader\");\n\n if (!goappCanLoadWebAssembly()) {\n loader.remove();\n return;\n }\n\n let instantiateStreaming = WebAssembly.instantiateStreaming;\n if (!instantiateStreaming) {\n instantiateStreaming = async (resp, importObject) => {\n const source = await (await resp).arrayBuffer();\n return await WebAssembly.instantiate(source, importObject);\n };\n }\n\n const loaderIcon = document.getElementById(\"app-wasm-loader-icon\");\n const loaderLabel = document.getElementById(\"app-wasm-loader-label\");\n\n try {\n const showProgress = (progress) => {\n loaderLabel.innerText = goappLoadingLabel.replace(\"{progress}\", progress);\n };\n showProgress(0);\n\n const go = new Go();\n const wasm = await instantiateStreaming(\n fetchWithProgress(\"{{.Wasm}}\", showProgress),\n go.importObject\n );\n\n go.run(wasm.instance);\n loader.remove();\n } catch (err) {\n loaderIcon.className = \"goapp-logo\";\n loaderLabel.innerText = err;\n console.error(\"loading wasm failed: \", err);\n }\n}\n\nfunction goappCanLoadWebAssembly() {\n if (\n /bot|googlebot|crawler|spider|robot|crawling/i.test(navigator.userAgent)\n ) {\n return false;\n }\n\n const urlParams = new URLSearchParams(window.location.search);\n return urlParams.get(\"wasm\") !== \"false\";\n}\n\nasync function fetchWithProgress(url, progess) {\n const response = await fetch(url);\n\n let contentLength = goappWasmContentLength;\n if (contentLength <= 0) {\n try {\n contentLength = response.headers.get(goappWasmContentLengthHeader);\n } catch {}\n if (!goappWasmContentLengthHeader || !contentLength) {\n contentLength = response.headers.get(\"Content-Length\");\n }\n }\n\n const total = parseInt(contentLength, 10);\n let loaded = 0;\n\n const progressHandler = function (loaded, total) {\n progess(Math.round((loaded * 100) / total));\n };\n\n var res = new Response(\n new ReadableStream(\n {\n async start(controller) {\n var reader = response.body.getReader();\n for (;;) {\n var { done, value } = await reader.read();\n\n if (done) {\n progressHandler(total, total);\n break;\n }\n\n loaded += value.byteLength;\n progressHandler(loaded, total);\n controller.enqueue(value);\n }\n controller.close();\n },\n },\n {\n status: response.status,\n statusText: response.statusText,\n }\n )\n );\n\n for (var pair of response.headers.entries()) {\n res.headers.set(pair[0], pair[1]);\n }\n\n return res;\n}\n" manifestJSON = "{\n \"short_name\": \"{{.ShortName}}\",\n \"name\": \"{{.Name}}\",\n \"description\": \"{{.Description}}\",\n \"icons\": [\n {\n \"src\": \"{{.SVGIcon}}\",\n \"type\": \"image/svg+xml\",\n \"sizes\": \"any\"\n },\n {\n \"src\": \"{{.LargeIcon}}\",\n \"type\": \"image/png\",\n \"sizes\": \"512x512\"\n },\n {\n \"src\": \"{{.DefaultIcon}}\",\n \"type\": \"image/png\",\n \"sizes\": \"192x192\"\n },\n {\n \"src\": \"{{.MaskableIcon}}\",\n \"type\": \"image/png\",\n \"purpose\": \"maskable\",\n \"sizes\": \"192x192\"\n }\n ],\n \"scope\": \"{{.Scope}}\",\n \"start_url\": \"{{.StartURL}}\",\n \"background_color\": \"{{.BackgroundColor}}\",\n \"theme_color\": \"{{.ThemeColor}}\",\n \"display\": \"standalone\"\n}"