How to use Open method of js Package

Best K6 code snippet using js.Open

mkstdlib.go

Source:mkstdlib.go

...18	"runtime"19	"sort"20	"strings"21)22func mustOpen(name string) io.Reader {23	f, err := os.Open(name)24	if err != nil {25		log.Fatal(err)26	}27	return f28}29func api(base string) string {30	return filepath.Join(runtime.GOROOT(), "api", base)31}32var sym = regexp.MustCompile(`^pkg (\S+).*?, (?:var|func|type|const) ([A-Z]\w*)`)33var unsafeSyms = map[string]bool{"Alignof": true, "ArbitraryType": true, "Offsetof": true, "Pointer": true, "Sizeof": true}34func main() {35	var buf bytes.Buffer36	outf := func(format string, args ...interface{}) {37		fmt.Fprintf(&buf, format, args...)38	}39	outf("// Code generated by mkstdlib.go. DO NOT EDIT.\n\n")40	outf("package imports\n")41	outf("var stdlib = map[string]map[string]bool{\n")42	f := io.MultiReader(43		mustOpen(api("go1.txt")),44		mustOpen(api("go1.1.txt")),45		mustOpen(api("go1.2.txt")),46		mustOpen(api("go1.3.txt")),47		mustOpen(api("go1.4.txt")),48		mustOpen(api("go1.5.txt")),49		mustOpen(api("go1.6.txt")),50		mustOpen(api("go1.7.txt")),51		mustOpen(api("go1.8.txt")),52		mustOpen(api("go1.9.txt")),53		mustOpen(api("go1.10.txt")),54		mustOpen(api("go1.11.txt")),55		mustOpen(api("go1.12.txt")),56		// The API of the syscall/js package needs to be computed explicitly,57		// because it's not included in the GOROOT/api/go1.*.txt files at this time.58		syscallJSAPI(),59	)60	sc := bufio.NewScanner(f)61	pkgs := map[string]map[string]bool{62		"unsafe": unsafeSyms,63	}64	paths := []string{"unsafe"}65	for sc.Scan() {66		l := sc.Text()67		has := func(v string) bool { return strings.Contains(l, v) }68		if has("struct, ") || has("interface, ") || has(", method (") {69			continue...

jscode2session.go

Source:jscode2session.go

...13    "github.com/a07061625/gompf/mpf/mperr"14)15// è·åç¬¬ä¸æ¹å¹³å° session_key å openid16type jsCode2Session struct {17    wx.BaseWxOpen18    jsCode string // ç»å½åè¯19}20func (jcs *jsCode2Session) SetJsCode(jsCode string) {21    if len(jsCode) > 0 {22        jcs.jsCode = jsCode23    } else {24        panic(mperr.NewWxOpenMini(errorcode.WxOpenParam, "ç»å½åè¯ä¸åæ³", nil))25    }26}27func (jcs *jsCode2Session) checkData() {28    if len(jcs.jsCode) == 0 {29        panic(mperr.NewWxOpenMini(errorcode.WxOpenParam, "ç»å½åè¯ä¸è½ä¸ºç©º", nil))30    }31    jcs.ReqData["js_code"] = jcs.jsCode32}33func (jcs *jsCode2Session) SendRequest() api.APIResult {34    jcs.checkData()35    jcs.ReqData["component_access_token"] = wx.NewUtilWx().GetOpenAccessToken()36    jcs.ReqURI = "https://api.weixin.qq.com/sns/component/jscode2session?" + mpf.HTTPCreateParams(jcs.ReqData, "none", 1)37    client, req := jcs.GetRequest()38    resp, result := jcs.SendInner(client, req, errorcode.WxOpenRequestGet)39    if resp.RespCode > 0 {40        return result41    }42    respData, _ := mpf.JSONUnmarshalMap(resp.Content)43    _, ok := respData["openid"]44    if ok {45        result.Data = respData46    } else {47        result.Code = errorcode.WxOpenRequestGet48        result.Msg = respData["errmsg"].(string)49    }50    return result51}52func NewJsCode2Session(appId string) *jsCode2Session {53    conf := wx.NewConfig().GetOpen()54    jcs := &jsCode2Session{wx.NewBaseWxOpen(), ""}55    jcs.ReqData["component_appid"] = conf.GetAppId()56    jcs.ReqData["appid"] = appId57    jcs.ReqData["grant_type"] = "authorization_code"58    return jcs59}...

websocket.go

Source:websocket.go

1package canvas2import (3	"syscall/js"4	"github.com/esimov/ascii-fluid/websocket"5)6// InitWebSocket initializes the frontend websocket connection.7func (c *Canvas) InitWebSocket() {8	webSocketParams := websocket.GetParams()9	c.ws = js.Global().Get("WebSocket").New("ws://" + webSocketParams.Address + "/ws")10	c.Log("Attempting websocket connection...")11	openCallback := js.FuncOf(func(this js.Value, args []js.Value) interface{} {12		c.Log("Websocket connection open!")13		return nil14	})15	closeCallback := js.FuncOf(func(this js.Value, args []js.Value) interface{} {16		event := args[0]17		c.Log("Websocket connection closed: ", event)18		return nil19	})20	errorCallback := js.FuncOf(func(this js.Value, args []js.Value) interface{} {21		error := args[0]22		c.Log("Websocket error:", error)23		return nil24	})25	c.ws.Call("addEventListener", "open", openCallback)26	c.ws.Call("addEventListener", "close", closeCallback)27	c.ws.Call("addEventListener", "error", errorCallback)28}29// send transfer the value through the socket.30func (c *Canvas) send(value string) {31	c.ws.Call("send", value)32}...

Open

Using AI Code Generation

1import (2func main() {3    cb = js.FuncOf(func(this js.Value, args []js.Value) interface{} {4        cb.Release()5        fmt.Println("callback")6    })7    js.Global().Get("File").Call("open", "test.txt", "r", cb)8    select {}9}10import (11func main() {12    cb = js.FuncOf(func(this js.Value, args []js.Value) interface{} {13        cb.Release()14        fmt.Println("callback")15    })16    js.Global().Get("File").Call("open", "test.txt", "r", cb)17    select {}18}19import (20func main() {21    cb = js.FuncOf(func(this js.Value, args []js.Value) interface{} {22        cb.Release()23        fmt.Println("callback")24    })25    js.Global().Get("File").Call("open", "test.txt", "r", cb)26    select {}27}28import (29func main() {30    cb = js.FuncOf(func(this js.Value, args []js.Value) interface{} {31        cb.Release()32        fmt.Println("callback")33    })34    js.Global().Get("File").Call("open", "test.txt", "r", cb)35    select {}36}37import (38func main() {39    cb = js.FuncOf(func(this js.Value, args []js.Value) interface{} {40        cb.Release()41        fmt.Println("callback")42    })43    js.Global().Get("File").Call("open", "test.txt", "r", cb)44    select {}45}

Open

Using AI Code Generation

1import (2func main() {3	var fs = js.Global().Get("fs")4	var fd = fs.Call("openSync", "test.txt", "r")5	fmt.Printf("File descriptor: %v6}7import (8func main() {9	var fs = js.Global().Get("fs")10	var fd = fs.Call("openSync", "test.txt", "r")11	fmt.Printf("File descriptor: %v12	var buffer = make([]byte, 1024)13	var bytesRead = fs.Call("readSync", fd, buffer, 0, 1024, 0)14	fmt.Printf("Bytes read: %v15	fmt.Printf("Buffe

Open

Using AI Code Generation

1import (2func main() {3	var (4	window := js.Global()5	document = window.Get("document")6	file = document.Call("getElementById", "file")7	file.Call("addEventListener", "change", js.FuncOf(func(this js.Value, args []js.Value) interface{} {8		files := args[0].Get("target").Get("files")9		file := files.Index(0)10		fileOpen, err := file.Call("open").Int()11		if err != nil {12			fmt.Println("Error opening file")13		}14		fileRead, err := file.Call("read").Int()15		if err != nil {16			fmt.Println("Error reading file")17		}18		fileClose, err := file.Call("close").Int()19		if err != nil {20			fmt.Println("Error closing file")21		}22		fmt.Println("File open: ", fileOpen)23		fmt.Println("File read: ", fileRead)24		fmt.Println("File close: ", fileClose)25	}))26	select {}27}28import (29func main() {30	var (31	window := js.Global()32	document = window.Get("document")33	file = document.Call("getElementById", "file")34	file.Call("addEventListener", "change", js.FuncOf(func(this js.Value, args []js.Value) interface{} {35		files := args[0].Get("target").Get("files")

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