How to use SetInterval method of ws Package

Best K6 code snippet using ws.SetInterval

ws_test.go

Source:ws_test.go Github

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1/*2 *3 * k6 - a next-generation load testing tool4 * Copyright (C) 2017 Load Impact5 *6 * This program is free software: you can redistribute it and/or modify7 * it under the terms of the GNU Affero General Public License as8 * published by the Free Software Foundation, either version 3 of the9 * License, or (at your option) any later version.10 *11 * This program is distributed in the hope that it will be useful,12 * but WITHOUT ANY WARRANTY; without even the implied warranty of13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the14 * GNU Affero General Public License for more details.15 *16 * You should have received a copy of the GNU Affero General Public License17 * along with this program. If not, see <http://www.gnu.org/licenses/>.18 *19 */20package ws21import (22 "context"23 "crypto/tls"24 "fmt"25 "net/http"26 "net/http/httptest"27 "strconv"28 "testing"29 "time"30 "github.com/gorilla/websocket"31 "github.com/stretchr/testify/assert"32 "github.com/stretchr/testify/require"33 "github.com/runner-mei/gojs"34 "github.com/runner-mei/gojs/lib"35 "github.com/runner-mei/gojs/lib/metrics"36 "github.com/runner-mei/gojs/lib/testutils/httpmultibin"37 "github.com/runner-mei/gojs/stats"38)39func assertSessionMetricsEmitted(t *testing.T, sampleContainers []stats.SampleContainer, subprotocol, url string, status int, group string) {40 seenSessions := false41 seenSessionDuration := false42 seenConnecting := false43 for _, sampleContainer := range sampleContainers {44 for _, sample := range sampleContainer.GetSamples() {45 tags := sample.Tags.CloneTags()46 if tags["url"] == url {47 switch sample.Metric {48 case metrics.WSConnecting:49 seenConnecting = true50 case metrics.WSSessionDuration:51 seenSessionDuration = true52 case metrics.WSSessions:53 seenSessions = true54 }55 assert.Equal(t, strconv.Itoa(status), tags["status"])56 assert.Equal(t, subprotocol, tags["subproto"])57 assert.Equal(t, group, tags["group"])58 }59 }60 }61 assert.True(t, seenConnecting, "url %s didn't emit Connecting", url)62 assert.True(t, seenSessions, "url %s didn't emit Sessions", url)63 assert.True(t, seenSessionDuration, "url %s didn't emit SessionDuration", url)64}65func assertMetricEmitted(t *testing.T, metric *stats.Metric, sampleContainers []stats.SampleContainer, url string) {66 seenMetric := false67 for _, sampleContainer := range sampleContainers {68 for _, sample := range sampleContainer.GetSamples() {69 surl, ok := sample.Tags.Get("url")70 assert.True(t, ok)71 if surl == url {72 if sample.Metric == metric {73 seenMetric = true74 }75 }76 }77 }78 assert.True(t, seenMetric, "url %s didn't emit %s", url, metric.Name)79}80func TestSession(t *testing.T) {81 // TODO: split and paralelize tests82 t.Parallel()83 tb := httpmultibin.NewHTTPMultiBin(t)84 defer tb.Cleanup()85 sr := tb.Replacer.Replace86 // root, err := lib.NewGroup("", nil)87 // assert.NoError(t, err)88 rt := gojs.New()89 rt.SetFieldNameMapper(gojs.FieldNameMapper{})90 samples := make(chan stats.SampleContainer, 1000)91 state := &lib.State{92 // Group: root,93 Dialer: tb.Dialer,94 Options: lib.Options{95 SystemTags: stats.NewSystemTagSet(96 stats.TagURL,97 stats.TagProto,98 stats.TagStatus,99 stats.TagSubproto,100 ),101 },102 Samples: samples,103 TLSConfig: tb.TLSClientConfig,104 }105 ctx := context.Background()106 ctx = lib.WithState(ctx, state)107 ctx = gojs.WithRuntime(ctx, rt)108 rt.Bind("ws", New())109 t.Run("connect_ws", func(t *testing.T) {110 _, err := rt.RunString(ctx, sr(`111 var res = ws.connect("WSBIN_URL/ws-echo", function(socket){112 socket.close()113 });114 if (res.status != 101) { throw new Error("connection failed with status: " + res.status); }115 `))116 assert.NoError(t, err)117 })118 assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-echo"), 101, "")119 t.Run("connect_wss", func(t *testing.T) {120 _, err := rt.RunString(ctx, sr(`121 var res = ws.connect("WSSBIN_URL/ws-echo", function(socket){122 socket.close()123 });124 if (res.status != 101) { throw new Error("TLS connection failed with status: " + res.status); }125 `))126 assert.NoError(t, err)127 })128 assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSSBIN_URL/ws-echo"), 101, "")129 t.Run("open", func(t *testing.T) {130 _, err := rt.RunString(ctx, sr(`131 var opened = false;132 var res = ws.connect("WSBIN_URL/ws-echo", function(socket){133 socket.on("open", function() {134 opened = true;135 socket.close()136 })137 });138 if (!opened) { throw new Error ("open event not fired"); }139 `))140 assert.NoError(t, err)141 })142 assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-echo"), 101, "")143 t.Run("send_receive", func(t *testing.T) {144 _, err := rt.RunString(ctx, sr(`145 var res = ws.connect("WSBIN_URL/ws-echo", function(socket){146 socket.on("open", function() {147 socket.send("test")148 })149 socket.on("message", function (data){150 if (!data=="test") {151 throw new Error ("echo'd data doesn't match our message!");152 }153 socket.close()154 });155 });156 `))157 assert.NoError(t, err)158 })159 samplesBuf := stats.GetBufferedSamples(samples)160 assertSessionMetricsEmitted(t, samplesBuf, "", sr("WSBIN_URL/ws-echo"), 101, "")161 assertMetricEmitted(t, metrics.WSMessagesSent, samplesBuf, sr("WSBIN_URL/ws-echo"))162 assertMetricEmitted(t, metrics.WSMessagesReceived, samplesBuf, sr("WSBIN_URL/ws-echo"))163 t.Run("interval", func(t *testing.T) {164 _, err := rt.RunString(ctx, sr(`165 var counter = 0;166 var res = ws.connect("WSBIN_URL/ws-echo", function(socket){167 socket.setInterval(function () {168 counter += 1;169 if (counter > 2) { socket.close(); }170 }, 100);171 });172 if (counter < 3) {throw new Error ("setInterval should have been called at least 3 times, counter=" + counter);}173 `))174 assert.NoError(t, err)175 })176 assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-echo"), 101, "")177 t.Run("bad interval", func(t *testing.T) {178 _, err := rt.RunString(ctx, sr(`179 var counter = 0;180 var res = ws.connect("WSBIN_URL/ws-echo", function(socket){181 socket.setInterval(function () {182 counter += 1;183 if (counter > 2) { socket.close(); }184 }, -1.23);185 });186 `))187 require.Error(t, err)188 require.Contains(t, err.Error(), "setInterval requires a >0 timeout parameter, received -1.23 ")189 })190 t.Run("timeout", func(t *testing.T) {191 _, err := rt.RunString(ctx, sr(`192 var start = new Date().getTime();193 var ellapsed = new Date().getTime() - start;194 var res = ws.connect("WSBIN_URL/ws-echo", function(socket){195 socket.setTimeout(function () {196 ellapsed = new Date().getTime() - start;197 socket.close();198 }, 500);199 });200 if (ellapsed > 3000 || ellapsed < 500) {201 throw new Error ("setTimeout occurred after " + ellapsed + "ms, expected 500<T<3000");202 }203 `))204 assert.NoError(t, err)205 })206 t.Run("bad timeout", func(t *testing.T) {207 _, err := rt.RunString(ctx, sr(`208 var start = new Date().getTime();209 var ellapsed = new Date().getTime() - start;210 var res = ws.connect("WSBIN_URL/ws-echo", function(socket){211 socket.setTimeout(function () {212 ellapsed = new Date().getTime() - start;213 socket.close();214 }, 0);215 });216 `))217 require.Error(t, err)218 require.Contains(t, err.Error(), "setTimeout requires a >0 timeout parameter, received 0.00 ")219 })220 assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-echo"), 101, "")221 t.Run("ping", func(t *testing.T) {222 _, err := rt.RunString(ctx, sr(`223 var pongReceived = false;224 var res = ws.connect("WSBIN_URL/ws-echo", function(socket){225 socket.on("open", function(data) {226 socket.ping();227 });228 socket.on("pong", function() {229 pongReceived = true;230 socket.close();231 });232 socket.setTimeout(function (){socket.close();}, 3000);233 });234 if (!pongReceived) {235 throw new Error ("sent ping but didn't get pong back");236 }237 `))238 assert.NoError(t, err)239 })240 samplesBuf = stats.GetBufferedSamples(samples)241 assertSessionMetricsEmitted(t, samplesBuf, "", sr("WSBIN_URL/ws-echo"), 101, "")242 assertMetricEmitted(t, metrics.WSPing, samplesBuf, sr("WSBIN_URL/ws-echo"))243 t.Run("multiple_handlers", func(t *testing.T) {244 _, err := rt.RunString(ctx, sr(`245 var pongReceived = false;246 var otherPongReceived = false;247 var res = ws.connect("WSBIN_URL/ws-echo", function(socket){248 socket.on("open", function(data) {249 socket.ping();250 });251 socket.on("pong", function() {252 pongReceived = true;253 if (otherPongReceived) {254 socket.close();255 }256 });257 socket.on("pong", function() {258 otherPongReceived = true;259 if (pongReceived) {260 socket.close();261 }262 });263 socket.setTimeout(function (){socket.close();}, 3000);264 });265 if (!pongReceived || !otherPongReceived) {266 throw new Error ("sent ping but didn't get pong back");267 }268 `))269 assert.NoError(t, err)270 })271 samplesBuf = stats.GetBufferedSamples(samples)272 assertSessionMetricsEmitted(t, samplesBuf, "", sr("WSBIN_URL/ws-echo"), 101, "")273 assertMetricEmitted(t, metrics.WSPing, samplesBuf, sr("WSBIN_URL/ws-echo"))274 t.Run("client_close", func(t *testing.T) {275 _, err := rt.RunString(ctx, sr(`276 var closed = false;277 var res = ws.connect("WSBIN_URL/ws-echo", function(socket){278 socket.on("open", function() {279 socket.close()280 })281 socket.on("close", function() {282 closed = true;283 })284 });285 if (!closed) { throw new Error ("close event not fired"); }286 `))287 assert.NoError(t, err)288 })289 assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-echo"), 101, "")290 serverCloseTests := []struct {291 name string292 endpoint string293 }{294 {"server_close_ok", "/ws-echo"},295 // Ensure we correctly handle invalid WS server296 // implementations that close the connection prematurely297 // without sending a close control frame first.298 {"server_close_invalid", "/ws-close-invalid"},299 }300 for _, tc := range serverCloseTests {301 tc := tc302 t.Run(tc.name, func(t *testing.T) {303 _, err := rt.RunString(ctx, sr(fmt.Sprintf(`304 var closed = false;305 var res = ws.connect("WSBIN_URL%s", function(socket){306 socket.on("open", function() {307 socket.send("test");308 })309 socket.on("close", function() {310 closed = true;311 })312 });313 if (!closed) { throw new Error ("close event not fired"); }314 `, tc.endpoint)))315 assert.NoError(t, err)316 })317 }318}319func TestErrors(t *testing.T) {320 t.Parallel()321 tb := httpmultibin.NewHTTPMultiBin(t)322 defer tb.Cleanup()323 sr := tb.Replacer.Replace324 // root, err := lib.NewGroup("", nil)325 // assert.NoError(t, err)326 rt := gojs.New()327 rt.SetFieldNameMapper(gojs.FieldNameMapper{})328 samples := make(chan stats.SampleContainer, 1000)329 state := &lib.State{330 // Group: root,331 Dialer: tb.Dialer,332 Options: lib.Options{333 SystemTags: &stats.DefaultSystemTagSet,334 },335 Samples: samples,336 }337 ctx := context.Background()338 ctx = lib.WithState(ctx, state)339 ctx = gojs.WithRuntime(ctx, rt)340 rt.Bind("ws", New())341 t.Run("invalid_url", func(t *testing.T) {342 _, err := rt.RunString(ctx, `343 var res = ws.connect("INVALID", function(socket){344 socket.on("open", function() {345 socket.close();346 });347 });348 `)349 assert.Error(t, err)350 })351 t.Run("invalid_url_message_panic", func(t *testing.T) {352 // Attempting to send a message to a non-existent socket shouldn't panic353 _, err := rt.RunString(ctx, `354 var res = ws.connect("INVALID", function(socket){355 socket.send("new message");356 });357 `)358 assert.Error(t, err)359 })360 t.Run("error_in_setup", func(t *testing.T) {361 _, err := rt.RunString(ctx, sr(`362 var res = ws.connect("WSBIN_URL/ws-echo-invalid", function(socket){363 throw new Error("error in setup");364 });365 `))366 assert.Error(t, err)367 })368 t.Run("send_after_close", func(t *testing.T) {369 _, err := rt.RunString(ctx, sr(`370 var hasError = false;371 var res = ws.connect("WSBIN_URL/ws-echo-invalid", function(socket){372 socket.on("open", function() {373 socket.close();374 socket.send("test");375 });376 socket.on("error", function(errorEvent) {377 hasError = true;378 });379 });380 if (!hasError) {381 throw new Error ("no error emitted for send after close");382 }383 `))384 assert.NoError(t, err)385 assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-echo-invalid"), 101, "")386 })387 t.Run("error on close", func(t *testing.T) {388 _, err := rt.RunString(ctx, sr(`389 var closed = false;390 var res = ws.connect("WSBIN_URL/ws-close", function(socket){391 socket.on('open', function open() {392 socket.setInterval(function timeout() {393 socket.ping();394 }, 1000);395 });396 socket.on("ping", function() {397 socket.close();398 });399 socket.on("error", function(errorEvent) {400 if (errorEvent == null) {401 throw new Error(JSON.stringify(errorEvent));402 }403 if (!closed) {404 closed = true;405 socket.close();406 }407 });408 });409 `))410 assert.NoError(t, err)411 assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-close"), 101, "")412 })413}414func TestSystemTags(t *testing.T) {415 tb := httpmultibin.NewHTTPMultiBin(t)416 defer tb.Cleanup()417 sr := tb.Replacer.Replace418 // root, err := lib.NewGroup("", nil)419 // assert.NoError(t, err)420 rt := gojs.New()421 rt.SetFieldNameMapper(gojs.FieldNameMapper{})422 // TODO: test for actual tag values after removing the dependency on the423 // external service demos.kaazing.com (https://github.com/loadimpact/k6/issues/537)424 testedSystemTags := []string{"group", "status", "subproto", "url", "ip"}425 samples := make(chan stats.SampleContainer, 1000)426 state := &lib.State{427 // Group: root,428 Dialer: tb.Dialer,429 Options: lib.Options{SystemTags: stats.ToSystemTagSet(testedSystemTags)},430 Samples: samples,431 TLSConfig: tb.TLSClientConfig,432 }433 ctx := context.Background()434 ctx = lib.WithState(ctx, state)435 ctx = gojs.WithRuntime(ctx, rt)436 rt.Bind("ws", New())437 for _, expectedTag := range testedSystemTags {438 expectedTag := expectedTag439 t.Run("only "+expectedTag, func(t *testing.T) {440 state.Options.SystemTags = stats.ToSystemTagSet([]string{expectedTag})441 _, err := rt.RunString(ctx, sr(`442 var res = ws.connect("WSBIN_URL/ws-echo", function(socket){443 socket.on("open", function() {444 socket.send("test")445 })446 socket.on("message", function (data){447 if (!data=="test") {448 throw new Error ("echo'd data doesn't match our message!");449 }450 socket.close()451 });452 });453 `))454 assert.NoError(t, err)455 for _, sampleContainer := range stats.GetBufferedSamples(samples) {456 for _, sample := range sampleContainer.GetSamples() {457 for emittedTag := range sample.Tags.CloneTags() {458 assert.Equal(t, expectedTag, emittedTag)459 }460 }461 }462 })463 }464}465func TestTLSConfig(t *testing.T) {466 // root, err := lib.NewGroup("", nil)467 // assert.NoError(t, err)468 tb := httpmultibin.NewHTTPMultiBin(t)469 defer tb.Cleanup()470 sr := tb.Replacer.Replace471 rt := gojs.New()472 rt.SetFieldNameMapper(gojs.FieldNameMapper{})473 samples := make(chan stats.SampleContainer, 1000)474 state := &lib.State{475 // Group: root,476 Dialer: tb.Dialer,477 Options: lib.Options{478 SystemTags: stats.NewSystemTagSet(479 stats.TagURL,480 stats.TagProto,481 stats.TagStatus,482 stats.TagSubproto,483 stats.TagIP,484 ),485 },486 Samples: samples,487 }488 ctx := context.Background()489 ctx = lib.WithState(ctx, state)490 ctx = gojs.WithRuntime(ctx, rt)491 rt.Bind("ws", New())492 t.Run("insecure skip verify", func(t *testing.T) {493 state.TLSConfig = &tls.Config{494 InsecureSkipVerify: true,495 }496 _, err := rt.RunString(ctx, sr(`497 var res = ws.connect("WSSBIN_URL/ws-close", function(socket){498 socket.close()499 });500 if (res.status != 101) { throw new Error("TLS connection failed with status: " + res.status); }501 `))502 assert.NoError(t, err)503 })504 assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSSBIN_URL/ws-close"), 101, "")505 t.Run("custom certificates", func(t *testing.T) {506 state.TLSConfig = tb.TLSClientConfig507 _, err := rt.RunString(ctx, sr(`508 var res = ws.connect("WSSBIN_URL/ws-close", function(socket){509 socket.close()510 });511 if (res.status != 101) {512 throw new Error("TLS connection failed with status: " + res.status);513 }514 `))515 assert.NoError(t, err)516 })517 assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSSBIN_URL/ws-close"), 101, "")518}519func TestReadPump(t *testing.T) {520 var closeCode int521 srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {522 conn, err := (&websocket.Upgrader{}).Upgrade(w, r, w.Header())523 assert.NoError(t, err)524 closeMsg := websocket.FormatCloseMessage(closeCode, "")525 _ = conn.WriteControl(websocket.CloseMessage, closeMsg, time.Now().Add(time.Second))526 }))527 defer srv.Close()528 closeCodes := []int{websocket.CloseNormalClosure, websocket.CloseGoingAway, websocket.CloseInternalServerErr}529 numAsserts := 0530 srvURL := "ws://" + srv.Listener.Addr().String()531 // Ensure readPump returns the response close code sent by the server532 for _, code := range closeCodes {533 code := code534 t.Run(strconv.Itoa(code), func(t *testing.T) {535 closeCode = code536 conn, resp, err := websocket.DefaultDialer.Dial(srvURL, nil)537 assert.NoError(t, err)538 defer func() {539 _ = resp.Body.Close()540 _ = conn.Close()541 }()542 msgChan := make(chan []byte)543 errChan := make(chan error)544 closeChan := make(chan int)545 s := &Socket{conn: conn}546 go s.readPump(msgChan, errChan, closeChan)547 readChans:548 for {549 select {550 case responseCode := <-closeChan:551 assert.Equal(t, code, responseCode)552 numAsserts++553 break readChans554 case <-errChan:555 continue556 case <-time.After(time.Second):557 t.Errorf("Read timed out")558 break readChans559 }560 }561 })562 }563 // Ensure all close code asserts passed564 assert.Equal(t, numAsserts, len(closeCodes))565}...

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index_html.go

Source:index_html.go Github

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1package catcher2const IndexHTML = `<html>3 <head>4 <title>Catcher</title>5 <script>6 window._webSocket = null7 let wsMessageEl = null8 function init(ev){9 wsMessageEl = document.querySelector('#ws-message')10 if (!wsMessageEl) {11 console.error('Could not locate the message element')12 return13 }14 window._webSocket = new WebSocket('ws://' + document.location.host + '/echo')15 window._webSocket.onconnect = () => { console.log('connected') }16 window._webSocket.onmessage = (message) => {17 const date = new Date()18 date.setTime(message.data)19 const dateStr = (date.getHours() + '').padStart(2, '0') + ':' + (date.getMinutes() + '').padStart(2, '0') + ':' + (date.getSeconds() + '').padStart(2, '0')20 wsMessageEl.innerText = 'WebSocket Echo: ' + dateStr21 }22 setInterval(() => {23 window._webSocket.send(Date.now())24 }, 1000)25 }26 document.addEventListener('DOMContentLoaded', init)27 </script>28 </head>29 <body>30 <h1>This is Catcher</h1>31 <div id="ws-message">Connecting to WebSocket...</div>32 </body>33</html>`...

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socket.go

Source:socket.go Github

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...14// ws.Connect()15// }16// }17func Run(url string, handler WsHandler) (ws *Socket) {18 ws = New(url, SetIsKeepAlive(true), SetInterval(30*time.Second))19 ws.OnConnected = func(ws *Socket) {20 log.Println("OnConnected success")21 }22 ws.OnTextMessage = handler23 ws.OnDisconnected = Reconnect24 ws.OnConnectError = Reconnect25 ws.Connect()26 return27}...

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SetInterval

Using AI Code Generation

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1import (2func main() {3 if err != nil {4 fmt.Println(err)5 }6 defer c.Close()7 c.WriteJSON(map[string]interface{}{"method": "SetInterval", "params": map[string]interface{}{"interval": 1000}})8 for {9 _, message, err := c.ReadMessage()10 if err != nil {11 fmt.Println(err)12 }13 fmt.Println(string(message))14 }15}16{"method":"SetIn

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SetInterval

Using AI Code Generation

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1import (2func main() {3 ticker := time.NewTicker(time.Second)4 go func() {5 for t := range ticker.C {6 fmt.Println("Tick at", t)7 }8 }()9 time.Sleep(time.Second * 10)10 ticker.Stop()11 fmt.Println("Ticker stopped")12}

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SetInterval

Using AI Code Generation

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1import (2func main() {3 c := make(chan struct{}, 0)4 js.Global().Set("SetInterval", js.FuncOf(func(this js.Value, args []js.Value) interface{} {5 delay := args[1].Int()6 go func() {7 for {8 callback.Invoke()9 js.Global().Call("setTimeout", js.Null(), delay)10 }11 }()12 }))13}14import (15func main() {16 c := make(chan struct{}, 0)17 js.Global().Set("SetInterval", js.FuncOf(func(this js.Value, args []js.Value) interface{} {18 delay := args[1].Int()19 go func() {20 for {21 callback.Invoke()22 js.Global().Call("setTimeout", js.Null(), delay)23 }24 }()25 }))26}27import (28func main() {29 c := make(chan struct{}, 0)30 js.Global().Set("SetInterval", js.FuncOf(func(this js.Value, args []js.Value) interface{} {31 delay := args[1].Int()32 go func() {33 for {34 callback.Invoke()35 js.Global().Call("setTimeout", js.Null(), delay)36 }37 }()38 }))39}40import (41func main() {42 c := make(chan struct{}, 0)43 js.Global().Set("SetInterval", js.FuncOf(func(this js.Value, args []js.Value) interface{} {44 delay := args[1].Int()45 go func() {46 for {47 callback.Invoke()48 js.Global().Call("setTimeout", js.Null(), delay)49 }50 }()51 }))52}

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SetInterval

Using AI Code Generation

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1import (2func main() {3 client, err := gosocketio.Dial(4 gosocketio.GetUrl("localhost", 3000, false),5 transport.GetDefaultWebsocketTransport())6 if err != nil {7 panic(err)8 }9 defer client.Close()10 client.On("message", func(h *gosocketio.Channel, args interface{}) {11 fmt.Println("message:", args)12 })13 client.SetInterval(func() {14 client.Emit("message", "hello")15 }, 2*time.Second)16 time.Sleep(10 * time.Second)17}18import (19func main() {20 client, err := gosocketio.Dial(21 gosocketio.GetUrl("localhost", 3000, false),22 transport.GetDefaultWebsocketTransport())23 if err != nil {24 panic(err)25 }26 defer client.Close()27 client.On("message", func(h *gosocketio.Channel, args interface{}) {28 fmt.Println("message:", args)29 })30 client.SetTimeout(func() {31 client.Emit("message", "hello")32 }, 2*time.Second)33 time.Sleep(10 * time.Second)34}35import (36func main() {37 client, err := gosocketio.Dial(38 gosocketio.GetUrl("localhost", 3000, false),39 transport.GetDefaultWebsocketTransport())40 if err != nil {41 panic(err)42 }43 defer client.Close()44 client.On("message", func(h *gosocket

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SetInterval

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1import (2func main() {3 ws := js.Global().Get("WebSocket")4 ws.Set("SetInterval", js.FuncOf(func(this js.Value, args []js.Value) interface{} {5 fmt.Println("SetInterval called")6 }))7}8import (9func main() {10 ws := js.Global().Get("WebSocket")11 ws.Invoke("SetInterval", js.FuncOf(func(this js.Value, args []js.Value) interface{} {12 fmt.Println("SetInterval called")13 }))14}15import (16func main() {17 ws := js.Global().Get("WebSocket")18 ws.Call("SetInterval", js.FuncOf(func(this js.Value, args []js.Value) interface{} {19 fmt.Println("SetInterval called")20 }))21}22import (23func main() {24 ws := js.Global().Get("WebSocket")25 ws.Set("SetInterval", js.FuncOf(func(this js.Value, args []js.Value) interface{} {26 fmt.Println("SetInterval called")27 }))28 ws.Invoke("SetInterval", js.FuncOf(func(this js.Value, args []js.Value) interface{} {29 fmt.Println("SetInterval called")30 }))31 ws.Call("SetInterval", js.FuncOf(func(this js.Value, args []js.Value) interface{} {32 fmt.Println("SetInterval called")33 }))34}

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SetInterval

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1import (2func main() {3 c := make(chan struct{}, 0)4 js.Global().Set("setInterval", js.FuncOf(setInterval))5}6func setInterval(this js.Value, args []js.Value) interface{} {7 go func() {8 for {9 fmt.Println("inside go routine")10 }11 }()12}13 window.setInterval();

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