sebmck/6to5

File index.js has 364 lines of code (exceeds 250 allowed). Consider refactoring.

Open

import { declare } from "@babel/helper-plugin-utils";
import { addDefault, isModule } from "@babel/helper-module-imports";
import { types as t } from "@babel/core";

import getCoreJS2Definitions from "./runtime-corejs2-definitions";

Function CallExpression has 54 lines of code (exceeds 25 allowed). Consider refactoring.

Open

      CallExpression(path) {
        if (!injectCoreJS) return;

        const { node } = path;
        const { callee } = node;

Function enter has 54 lines of code (exceeds 25 allowed). Consider refactoring.

Open

        enter(path) {
          if (!injectCoreJS) return;
          if (!path.isReferenced()) return;
          // skip transforming `delete something.includes`
          if (path.parentPath.isUnaryExpression({ operator: "delete" })) return;

Function pre has 39 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    pre(file) {
      if (useRuntimeHelpers) {
        file.set("helperGenerator", name => {
          // If the helper didn't exist yet at the version given, we bail
          // out and let Babel either insert it directly, or throw an error

Avoid too many return statements within this function.

Open

          return;

Avoid too many return statements within this function.

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            return;

Avoid too many return statements within this function.

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            return;

Avoid too many return statements within this function.

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        if (!callee.computed) return;

Avoid too many return statements within this function.

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        if (scope.getBindingIdentifier(name)) return;

Avoid too many return statements within this function.

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          if (path.scope.getBindingIdentifier(name)) return;

Identical blocks of code found in 2 locations. Consider refactoring.

Open

  if (typeof corejs === "object" && corejs !== null) {
    rawVersion = corejs.version;
    proposals = Boolean(corejs.proposals);
  } else {
    rawVersion = corejs;

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Similar blocks of code found in 2 locations. Consider refactoring.

Open

                t.callExpression(
                  this.addDefaultImport(
                    `${moduleName}/${corejsRoot}/instance/${InstanceProperties[propertyName].path}`,
                    `${propertyName}InstanceProperty`,
                  ),

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Similar blocks of code found in 2 locations. Consider refactoring.

Open

              t.callExpression(
                this.addDefaultImport(
                  `${moduleName}/${corejsRoot}/instance/${InstanceProperties[propertyName].path}`,
                  `${propertyName}InstanceProperty`,
                ),

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