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Function getTests has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

  async *getTests() {
    for await (const test of loadTests(this.testDir)) {
      const isTSX = test.name.slice(-4) === ".tsx";

      const ast = ts.createSourceFile(
Severity: Minor
Found in scripts/parser-tests/typescript/index.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function loadHelper has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

function loadHelper(name) {
  if (!helperData[name]) {
    const helper = helpers[name];
    if (!helper) {
      throw Object.assign(new ReferenceError(`Unknown helper ${name}`), {
Severity: Minor
Found in packages/babel-helpers/src/index.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function findFile has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

function findFile(filepath: string, allowJSON: boolean) {
  const matches = [];

  for (const ext of EXTENSIONS.concat(allowJSON ? ".json" : [])) {
    const name = filepath + ext;
Severity: Minor
Found in packages/babel-helper-fixtures/src/index.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function readToken_plus_min has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

  readToken_plus_min(code: number): void {
    // '+-'
    const next = this.input.charCodeAt(this.state.pos + 1);

    if (next === code) {
Severity: Minor
Found in packages/babel-parser/src/tokenizer/index.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function maybeParseExportDeclaration has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

  maybeParseExportDeclaration(node: N.Node): boolean {
    if (this.shouldParseExportDeclaration()) {
      if (this.isContextual("async")) {
        const next = this.nextTokenStart();
Severity: Minor
Found in packages/babel-parser/src/parser/statement.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function parseMetaProperty has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

  parseMetaProperty(
    node: N.MetaProperty,
    meta: N.Identifier,
    propertyName: string,
  ): N.MetaProperty {
Severity: Minor
Found in packages/babel-parser/src/parser/expression.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function parsePropertyName has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

  parsePropertyName(
    prop: N.ObjectOrClassMember | N.ClassMember | N.TsNamedTypeElementBase,
    isPrivateNameAllowed: boolean,
  ): N.Expression | N.Identifier {
    if (this.eat(tt.bracketL)) {
Severity: Minor
Found in packages/babel-parser/src/parser/expression.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function tryParse has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

  tryParse<T: Node | $ReadOnlyArray<Node>>(
    fn: (abort: (node?: T) => empty) => T,
    oldState: State = this.state.clone(),
  ):
    | TryParse<T, null, false, false, null>
Severity: Minor
Found in packages/babel-parser/src/parser/util.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function checkGetterSetterParams has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

  checkGetterSetterParams(method: N.ObjectMethod | N.ClassMethod): void {
    const paramCount = this.getGetterSetterExpectedParamCount(method);
    const start = method.start;
    if (method.params.length !== paramCount) {
      if (method.kind === "get") {
Severity: Minor
Found in packages/babel-parser/src/parser/expression.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function parseExprListItem has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

  parseExprListItem(
    allowEmpty: ?boolean,
    refExpressionErrors?: ?ExpressionErrors,
    refNeedsArrowPos: ?Pos,
    allowPlaceholder: ?boolean,
Severity: Minor
Found in packages/babel-parser/src/parser/expression.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function readToken_question has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

  readToken_question(): void {
    // '?'
    const next = this.input.charCodeAt(this.state.pos + 1);
    const next2 = this.input.charCodeAt(this.state.pos + 2);
    if (next === charCodes.questionMark && !this.state.inType) {
Severity: Minor
Found in packages/babel-parser/src/tokenizer/index.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function addIsHelper has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

function addIsHelper(type, aliasKeys, deprecated) {
  const targetType = JSON.stringify(type);
  let aliasSource = "";
  if (aliasKeys) {
    aliasSource = " || " + joinComparisons(aliasKeys, "nodeType");
Severity: Minor
Found in packages/babel-types/scripts/generators/generateValidators.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function toKeyAlias has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

export default function toKeyAlias(
  node: Object,
  key: Object = node.key,
): string {
  let alias;
Severity: Minor
Found in packages/babel-types/src/converters/toKeyAlias.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function toAssignableObjectExpressionProp has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

  toAssignableObjectExpressionProp(prop: Node, isLast: boolean) {
    if (prop.type === "ObjectMethod") {
      const error =
        prop.kind === "get" || prop.kind === "set"
          ? Errors.PatternHasAccessor
Severity: Minor
Found in packages/babel-parser/src/parser/lval.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function assertNodeOrValueType has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

export function assertNodeOrValueType(...types: Array<string>): Validator {
  function validate(node, key, val) {
    for (const type of types) {
      if (getType(val) === type || is(type, val)) {
        validateChild(node, key, val);
Severity: Minor
Found in packages/babel-types/src/definitions/utils.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function isValidIdentifier has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

export default function isValidIdentifier(
  name: string,
  reserved: boolean = true,
): boolean {
  if (typeof name !== "string") return false;
Severity: Minor
Found in packages/babel-types/src/validators/isValidIdentifier.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function pluginsMap has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

function pluginsMap(plugins: PluginList): PluginsMap {
  const pluginMap: PluginsMap = new Map();
  for (const plugin of plugins) {
    const [name, options] = Array.isArray(plugin) ? plugin : [plugin, {}];
    if (!pluginMap.has(name)) pluginMap.set(name, options || {});
Severity: Minor
Found in packages/babel-parser/src/parser/index.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function isScopable has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

export function isScopable(node: ?Object, opts?: Object): boolean {
  if (!node) return false;

  const nodeType = node.type;
  if (
Severity: Minor
Found in packages/babel-types/src/validators/generated/index.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function visit has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

function visit(node, name, scope) {
  const state = {
    selfAssignment: false,
    selfReference: false,
    outerDeclar: scope.getBindingIdentifier(name),
Severity: Minor
Found in packages/babel-helper-function-name/src/index.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function NumericLiteral has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

export function NumericLiteral(node: Object) {
  const raw = this.getPossibleRaw(node);
  const opts = this.format.jsescOption;
  const value = node.value + "";
  if (opts.numbers) {
Severity: Minor
Found in packages/babel-generator/src/generators/types.js - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

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