How to use initializeBabel method of compiler Package

Best K6 code snippet using compiler.initializeBabel

compiler.go

Source:compiler.go Github

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...85// New returns a new Compiler86func New(logger logrus.FieldLogger) *Compiler {87 return &Compiler{logger: logger}88}89// initializeBabel initializes a separate (non-global) instance of babel specifically for this Compiler.90// An error is returned only if babel itself couldn't be parsed/run which should never be possible.91func (c *Compiler) initializeBabel() error {92 var err error93 if c.babel == nil {94 c.babel, err = newBabel()95 }96 return err97}98// Transform the given code into ES599func (c *Compiler) Transform(src, filename string) (code string, srcmap *SourceMap, err error) {100 if c.babel == nil {101 onceBabel.Do(func() {102 globalBabel, err = newBabel()103 })104 c.babel = globalBabel105 }106 if err != nil {107 return108 }109 code, srcmap, err = c.babel.Transform(c.logger, src, filename)110 return111}112// Compile the program in the given CompatibilityMode, wrapping it between pre and post code113func (c *Compiler) Compile(src, filename, pre, post string,114 strict bool, compatMode lib.CompatibilityMode) (*goja.Program, string, error) {115 code := pre + src + post116 ast, err := parser.ParseFile(nil, filename, code, 0, parser.WithDisableSourceMaps)117 if err != nil {118 if compatMode == lib.CompatibilityModeExtended {119 code, _, err = c.Transform(src, filename)120 if err != nil {121 return nil, code, err122 }123 // the compatibility mode "decreases" here as we shouldn't transform twice124 return c.Compile(code, filename, pre, post, strict, lib.CompatibilityModeBase)125 }126 return nil, code, err127 }128 pgm, err := goja.CompileAST(ast, strict)129 // Parsing only checks the syntax, not whether what the syntax expresses130 // is actually supported (sometimes).131 //132 // For example, destructuring looks a lot like an object with shorthand133 // properties, but this is only noticeable once the code is compiled, not134 // while parsing. Even now code such as `let [x] = [2]` doesn't return an135 // error on the parsing stage but instead in the compilation in base mode.136 //137 // So, because of this, if there is an error during compilation, it still might138 // be worth it to transform the code and try again.139 if err != nil {140 if compatMode == lib.CompatibilityModeExtended {141 code, _, err = c.Transform(src, filename)142 if err != nil {143 return nil, code, err144 }145 // the compatibility mode "decreases" here as we shouldn't transform twice146 return c.Compile(code, filename, pre, post, strict, lib.CompatibilityModeBase)147 }148 return nil, code, err149 }150 return pgm, code, err151}152type babel struct {153 vm *goja.Runtime154 this goja.Value155 transform goja.Callable156 m sync.Mutex157}158func newBabel() (*babel, error) {159 onceBabelCode.Do(func() {160 globalBabelCode, globalBabelCodeErr = goja.Compile("<internal/k6/compiler/lib/babel.min.js>", babelSrc, false)161 })162 if globalBabelCodeErr != nil {163 return nil, globalBabelCodeErr164 }165 vm := goja.New()166 _, err := vm.RunProgram(globalBabelCode)167 if err != nil {168 return nil, err169 }170 this := vm.Get("Babel")171 bObj := this.ToObject(vm)172 result := &babel{vm: vm, this: this}173 if err = vm.ExportTo(bObj.Get("transform"), &result.transform); err != nil {174 return nil, err175 }176 return result, err177}178// Transform the given code into ES5, while synchronizing to ensure only a single179// bundle instance / Goja VM is in use at a time.180func (b *babel) Transform(logger logrus.FieldLogger, src, filename string) (string, *SourceMap, error) {181 b.m.Lock()182 defer b.m.Unlock()183 opts := make(map[string]interface{})184 for k, v := range DefaultOpts {185 opts[k] = v186 }187 opts["filename"] = filename188 startTime := time.Now()189 v, err := b.transform(b.this, b.vm.ToValue(src), b.vm.ToValue(opts))190 if err != nil {191 return "", nil, err192 }193 logger.WithField("t", time.Since(startTime)).Debug("Babel: Transformed")194 vO := v.ToObject(b.vm)195 var code string196 if err = b.vm.ExportTo(vO.Get("code"), &code); err != nil {197 return code, nil, err198 }199 var rawMap map[string]interface{}200 if err = b.vm.ExportTo(vO.Get("map"), &rawMap); err != nil {201 return code, nil, err202 }203 var srcMap SourceMap204 if err = mapstructure.Decode(rawMap, &srcMap); err != nil {205 return code, &srcMap, err206 }207 return code, &srcMap, err208}209// Pool is a pool of compilers so it can be used easier in parallel tests as they have their own babel.210type Pool struct {211 c chan *Compiler212}213// NewPool creates a Pool that will be using the provided logger and will preallocate (in parallel)214// the count of compilers each with their own babel.215func NewPool(logger logrus.FieldLogger, count int) *Pool {216 c := &Pool{217 c: make(chan *Compiler, count),218 }219 go func() {220 for i := 0; i < count; i++ {221 go func() {222 co := New(logger)223 err := co.initializeBabel()224 if err != nil {225 panic(err)226 }227 c.Put(co)228 }()229 }230 }()231 return c232}233// Get a compiler from the pool.234func (c *Pool) Get() *Compiler {235 return <-c.c236}237// Put a compiler back in the pool....

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initializeBabel

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1import (2func main() {3 vm := otto.New()4 vm.Set("print", func(call otto.FunctionCall) otto.Value {5 fmt.Println(call.Argument(0).String())6 return otto.Value{}7 })8 compiler, err := vm.Compile("1.go", "print(\"hello\")")9 if err != nil {10 fmt.Println(err)11 }12 compiler.InitializeBabel()13 _, err = vm.Run(compiler)14 if err != nil {15 fmt.Println(err)16 }17}18import (19func main() {20 vm := otto.New()21 vm.Set("print", func(call otto.FunctionCall) otto.Value {22 fmt.Println(call.Argument(0).String())23 return otto.Value{}24 })25 compiler, err := vm.Compile("1.go", "print(\"hello\")")26 if err != nil {27 fmt.Println(err)28 }29 compiler.InitializeBabel()30 _, err = vm.Run(compiler)31 if err != nil {32 fmt.Println(err)33 }34}35import (36func main() {37 vm := otto.New()38 vm.Set("print", func(call otto.FunctionCall) otto.Value {39 fmt.Println(call.Argument(0).String())40 return otto.Value{}41 })42 compiler, err := vm.Compile("1.go", "print(\"hello\")")43 if err != nil {44 fmt.Println(err)45 }46 compiler.InitializeBabel()47 _, err = vm.Run(compiler)48 if err != nil {49 fmt.Println(err)50 }51}52import (53func main() {54 vm := otto.New()55 vm.Set("print", func(call ot

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initializeBabel

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1import (2func main() {3 compiler := babel.NewCompiler()4 compiler.InitializeBabel()5}6import (7func main() {8 compiler := babel.NewCompiler()9 compiler.InitializeBabel()10}11import (12func main() {13 compiler := babel.NewCompiler()14 compiler.InitializeBabel()15}16import (17func main() {18 compiler := babel.NewCompiler()19 compiler.InitializeBabel()20}21import (22func main() {23 compiler := babel.NewCompiler()24 compiler.InitializeBabel()25}26import (27func main() {28 compiler := babel.NewCompiler()29 compiler.InitializeBabel()30}31import (32func main() {33 compiler := babel.NewCompiler()34 compiler.InitializeBabel()35}36import (37func main() {38 compiler := babel.NewCompiler()39 compiler.InitializeBabel()40}41import (42func main() {43 compiler := babel.NewCompiler()44 compiler.InitializeBabel()45}46import (47func main() {48 compiler := babel.NewCompiler()49 compiler.InitializeBabel()50}51import (52func main() {53 compiler := babel.NewCompiler()54 compiler.InitializeBabel()55}

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initializeBabel

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1import java.io.*;2import java.util.*;3public class Main {4 public static void main(String[] args) throws Exception {5 Compiler compiler = new Compiler();6 compiler.initializeBabel();7 }8}9import java.io.*;10import java.util.*;11public class Main {12 public static void main(String[] args) throws Exception {13 Compiler compiler = new Compiler();14 compiler.compile();15 }16}17import java.io.*;18import java.util.*;19public class Main {20 public static void main(String[] args) throws Exception {21 Compiler compiler = new Compiler();22 compiler.run();23 }24}25import java.io.*;26import java.util.*;27public class Main {28 public static void main(String[] args) throws Exception {29 Compiler compiler = new Compiler();30 compiler.compileAndRun();31 }32}33import java.io.*;34import java.util.*;35public class Main {36 public static void main(String[] args) throws Exception {37 Compiler compiler = new Compiler();38 compiler.compileAndRun();39 }40}41import java.io.*;42import java.util.*;43public class Main {44 public static void main(String[] args) throws Exception {45 Compiler compiler = new Compiler();46 compiler.compileAndRun();47 }48}49import java.io.*;50import java.util.*;51public class Main {52 public static void main(String[] args) throws Exception {53 Compiler compiler = new Compiler();54 compiler.compileAndRun();55 }56}57import java.io.*;58import java.util.*;59public class Main {60 public static void main(String[] args) throws Exception {61 Compiler compiler = new Compiler();62 compiler.compileAndRun();63 }64}65import java.io.*;66import java.util.*;67public class Main {68 public static void main(String[] args) throws Exception {69 Compiler compiler = new Compiler();

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initializeBabel

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1compiler.initializeBabel();2const result = babel.transform(code, {3});4const result = babel.transform(code, {5});6const result = babel.transform(code, {7});8const result = babel.transform(code, {9});10const result = babel.transform(code, {11});12const result = babel.transform(code, {13});14const result = babel.transform(code, {15});16const result = babel.transform(code, {17});18const result = babel.transform(code, {19});20const result = babel.transform(code, {21});22const result = babel.transform(code, {23});24const result = babel.transform(code, {25});26const result = babel.transform(code, {27});28const result = babel.transform(code, {

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initializeBabel

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1import (2func main() {3 fmt.Println("Initializing Babel...")4 mycompiler.InitializeBabel()5 fmt.Println("Babel Initialized!")6}7import (8type Compiler struct {9}10func InitializeBabel() {11 fmt.Println("Initializing Babel...")12 c.Initialize()13 fmt.Println("Babel Initialized!")14}15func (c *Compiler) Initialize() {16 fmt.Println("Initializing Compiler...")17 fmt.Println("Compiler Initialized!")18}19import (20func main() {21 fmt.Println("Initializing Babel...")22 mycompiler.InitializeBabel()23 fmt.Println("Babel Initialized!")24}25import (26type Compiler struct {27}28func InitializeBabel() {29 fmt.Println("Initializing Babel...")30 c.Initialize()31 fmt.Println("Babel Initialized!")32}33func (c *Compiler) Initialize() {34 fmt.Println("Initializing Compiler...")35 fmt.Println("Compiler Initialized!")36}37import (38func main() {39 fmt.Println("Initializing Babel...")40 mycompiler.InitializeBabel()41 fmt.Println("Babel Initialized!")42}43import (44type Compiler struct {45}46func InitializeBabel() {47 fmt.Println("Initializing Babel...")48 c.Initialize()49 fmt.Println("Babel Initialized!")50}51func (c *Compiler) Initialize() {52 fmt.Println("Initializing Compiler...")53 fmt.Println("Compiler Initialized!")54}55import (56func main() {57 fmt.Println("Initializing Babel...")58 mycompiler.InitializeBabel()59 fmt.Println("Babel Initialized!")60}61import (

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initializeBabel

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1import "babel";2import "babel/ast";3import "babel/core";4import "babel/traverse";5import "babel/types";6import "babel/generator";7import "babel/parser";8class Compiler {9 initializeBabel() {10 return babel.transform("code", {11 });12 }13}14import "babel";15import "babel/ast";16import "babel/core";17import "babel/traverse";18import "babel/types";19import "babel/generator";20import "babel/parser";21class Compiler {22 initializeBabel() {23 return babel.transform("code", {24 });25 }26}27import "babel";28import "babel/ast";29import "babel/core";30import "babel/traverse";31import "babel/types";32import "babel/generator";33import "babel/parser";34class Compiler {35 initializeBabel() {36 return babel.transform("code", {37 });38 }39}40import "babel";41import "babel/ast";42import "babel/core";43import "babel/traverse";44import "babel/types";45import "babel/generator";46import "babel/parser";47class Compiler {48 initializeBabel() {49 return babel.transform("code", {50 });51 }52}53import "babel";54import "babel/ast";55import "babel/core";56import "babel/traverse";57import "babel/types";58import "babel/generator";59import "babel/parser";60class Compiler {61 initializeBabel() {62 return babel.transform("code", {63 });64 }65}66import "babel";67import "babel/ast";68import "babel/core";69import "babel/traverse";70import "babel/types";71import "babel/generator";72import "babel/parser";73class Compiler {74 initializeBabel() {

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initializeBabel

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1import (2func main() {3 compiler.initializeBabel()4}5func initializeBabel() {6}7 C:\Go\src\compiler (from $GOROOT)8 C:\Users\user\go\src\compiler (from $GOPATH)

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initializeBabel

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1import "fmt"2func main() {3 fmt.Println("Hello, world.")4}5import "fmt"6func main() {7 fmt.Println("Hello, world.")8}9import "fmt"10func main() {11 fmt.Println("Hello, world.")12}13import "fmt"14func main() {15 fmt.Println("Hello, world.")16}17import "fmt"18func main() {19 fmt.Println("Hello, world.")20}21import "fmt"22func main() {23 fmt.Println("Hello, world.")24}25import "fmt"26func main() {27 fmt.Println("Hello, world.")28}29import "fmt"30func main() {31 fmt.Println("Hello, world.")32}33import "fmt"34func main() {35 fmt.Println("Hello, world.")36}

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