How to use increaseMappingsByOne method of compiler Package

Best K6 code snippet using compiler.increaseMappingsByOne

compiler.go

Source:compiler.go

...176// additioanlly it fixes off by one error in commonjs dependencies due to having to wrap them in a function.177func (c *compilationState) sourceMapLoader(path string) ([]byte, error) {178	if path == sourceMapURLFromBabel {179		if !c.main {180			return c.increaseMappingsByOne(c.srcMap)181		}182		return c.srcMap, nil183	}184	c.srcMap, c.srcMapError = c.compiler.Options.SourceMapLoader(path)185	if c.srcMapError != nil {186		c.couldntLoadSourceMap = true187		return nil, c.srcMapError188	}189	_, c.srcMapError = sourcemap.Parse(path, c.srcMap)190	if c.srcMapError != nil {191		c.couldntLoadSourceMap = true192		c.srcMap = nil193		return nil, c.srcMapError194	}195	if !c.main {196		return c.increaseMappingsByOne(c.srcMap)197	}198	return c.srcMap, nil199}200func (c *Compiler) compileImpl(201	src, filename string, main bool, compatibilityMode lib.CompatibilityMode, srcMap []byte,202) (*goja.Program, string, error) {203	code := src204	state := compilationState{srcMap: srcMap, compiler: c, main: main}205	if !main { // the lines in the sourcemap (if available) will be fixed by increaseMappingsByOne206		code = "(function(module, exports){\n" + code + "\n})\n"207	}208	opts := parser.WithDisableSourceMaps209	if c.Options.SourceMapLoader != nil {210		opts = parser.WithSourceMapLoader(state.sourceMapLoader)211	}212	ast, err := parser.ParseFile(nil, filename, code, 0, opts)213	if state.couldntLoadSourceMap {214		state.couldntLoadSourceMap = false // reset215		// we probably don't want to abort scripts which have source maps but they can't be found,216		// this also will be a breaking change, so if we couldn't we retry with it disabled217		c.logger.WithError(state.srcMapError).Warnf("Couldn't load source map for %s", filename)218		ast, err = parser.ParseFile(nil, filename, code, 0, parser.WithDisableSourceMaps)219	}220	if err != nil {221		if compatibilityMode == lib.CompatibilityModeExtended {222			code, state.srcMap, err = c.Transform(src, filename, state.srcMap)223			if err != nil {224				return nil, code, err225			}226			// the compatibility mode "decreases" here as we shouldn't transform twice227			return c.compileImpl(code, filename, main, lib.CompatibilityModeBase, state.srcMap)228		}229		return nil, code, err230	}231	pgm, err := goja.CompileAST(ast, c.Options.Strict)232	return pgm, code, err233}234type babel struct {235	vm        *goja.Runtime236	this      goja.Value237	transform goja.Callable238	m         sync.Mutex239}240func newBabel() (*babel, error) {241	onceBabelCode.Do(func() {242		globalBabelCode, globalBabelCodeErr = goja.Compile("<internal/k6/compiler/lib/babel.min.js>", babelSrc, false)243	})244	if globalBabelCodeErr != nil {245		return nil, globalBabelCodeErr246	}247	vm := goja.New()248	_, err := vm.RunProgram(globalBabelCode)249	if err != nil {250		return nil, err251	}252	this := vm.Get("Babel")253	bObj := this.ToObject(vm)254	result := &babel{vm: vm, this: this}255	if err = vm.ExportTo(bObj.Get("transform"), &result.transform); err != nil {256		return nil, err257	}258	return result, err259}260// increaseMappingsByOne increases the lines in the sourcemap by line so that it fixes the case where we need to wrap a261// required file in a function to support/emulate commonjs262func (c *compilationState) increaseMappingsByOne(sourceMap []byte) ([]byte, error) {263	var err error264	m := make(map[string]interface{})265	if err = json.Unmarshal(sourceMap, &m); err != nil {266		return nil, err267	}268	mappings, ok := m["mappings"]269	if !ok {270		// no mappings, no idea what this will do, but just return it as technically we can have sourcemap with sections271		// TODO implement incrementing of `offset` in the sections? to support that case as well272		// see https://sourcemaps.info/spec.html#h.n05z8dfyl3yh273		//274		// TODO (kind of alternatively) drop the newline in the "commonjs" wrapping and have only the first line wrong275		// and drop this whole function276		return sourceMap, nil...

increaseMappingsByOne

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, playground")4}5import "fmt"6func main() {7    fmt.Println("Hello, playground")8}9import "fmt"10func main() {11    fmt.Println("Hello, playground")12}13import "fmt"14func main() {15    fmt.Println("Hello, playground")16}17import "fmt"18func main() {19    fmt.Println("Hello, playground")20}21import "fmt"22func main() {23    fmt.Println("Hello, playground")24}25import "fmt"26func main() {27    fmt.Println("Hello, playground")28}29import "fmt"30func main() {31    fmt.Println("Hello, playground")32}33import "fmt"34func main() {35    fmt.Println("Hello, playground")36}37import "fmt"38func main() {39    fmt.Println("Hello, playground")40}41import "fmt"42func main() {43    fmt.Println("Hello, playground")44}45import "fmt"46func main() {47    fmt.Println("Hello, playground")48}49import "fmt"50func main() {51    fmt.Println("Hello, playground

increaseMappingsByOne

Using AI Code Generation

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

increaseMappingsByOne

Using AI Code Generation

1func main() {2	compiler.increaseMappingsByOne()3}4func main() {5	compiler.increaseMappingsByOne()6}7func main() {8	compiler.increaseMappingsByOne()9}10func main() {11	compiler.increaseMappingsByOne()12}13func main() {14	compiler.increaseMappingsByOne()15}16func main() {17	compiler.increaseMappingsByOne()18}19func main() {20	compiler.increaseMappingsByOne()21}22func main() {23	compiler.increaseMappingsByOne()24}25func main() {26	compiler.increaseMappingsByOne()27}28func main() {29	compiler.increaseMappingsByOne()30}31func main() {32	compiler.increaseMappingsByOne()33}34func main() {35	compiler.increaseMappingsByOne()36}37func main() {38	compiler.increaseMappingsByOne()39}40func main() {41	compiler.increaseMappingsByOne()42}

increaseMappingsByOne

Using AI Code Generation

1import "fmt"2type compiler struct {3}4func (c *compiler) increaseMappingsByOne() {5}6func main() {7    c := compiler{mappings: 1}8    c.increaseMappingsByOne()9    fmt.Println(c.mappings)10}

increaseMappingsByOne

Using AI Code Generation

1import (2func main() {3	compiler := vm.NewEVMCompiler()4	compiler.IncreaseMappingsByOne()5	fmt.Println("Mappings increased by one")6}7import (8func main() {9	compiler := vm.NewEVMCompiler()10	fmt.Println("Mappings increased by one")11}12I have tried to run the above code in my local machine (Windows OS) and it worked fine. But when I try to run the same code in Ubuntu 18.04.3 LTS, it gives me an error. I am attaching the error screenshot below. I am not sure what is causing this error. I have tried to import the package in different ways but the error persists. Can anyone help me with this?13func (c *Client) DoSomething() (string, error) {14}15func TestClient_DoSomething(t *testing.T) {16    c := &Client{}17    c.DoSomething()18}19c.DoSomething()20c.DoSomething()21c.DoSomething()

increaseMappingsByOne

Using AI Code Generation

1import "fmt"2type compiler struct {3}4func main() {5    c := compiler{name: "Go", mappings: []string{"go", "golang"}}6    fmt.Println(c)7    c.increaseMappingsByOne()8    fmt.Println(c)9}10func (c *compiler) increaseMappingsByOne() {11    c.mappings = append(c.mappings, "go")12}13{Go [go golang]}14{Go [go golang go]}

increaseMappingsByOne

Using AI Code Generation

1import (2type compiler struct {3}4type mapping struct {5}6func (c *compiler) increaseMappingsByOne(m mapping) []mapping {7	c.mappings = append(c.mappings, m)8}9func main() {10	c := compiler{}11	m := mapping{old: "1", new: "2"}12	c.increaseMappingsByOne(m)13	fmt.Println(c.mappings)14}15[{1 2}]16import (17type compiler struct {18}19type mapping struct {20}21func (c *compiler) copyMappings(oldCompiler compiler) {22	c.mappings = make([]mapping, len(oldCompiler.mappings))23	copy(c.mappings, oldCompiler.mappings)24}25func main() {26	c := compiler{}27	m := mapping{old: "1", new: "2"}28	c.increaseMappingsByOne(m)29	fmt.Println(c.mappings)30}31[{1 2}]

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