Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

Automation Advisor
K6
compiler
increaseMappingsByOne

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}]

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.