meteor/babel-preset-meteor

This plugin transforms static class properties as well as properties declared with the property initializer syntax

Transforms logical assignment operators into short-circuited assignments

Remove nullish coalescing operator

Compile object rest and spread to ES5

Transform optional chaining operators into a series of nil checks

Compile ES2015 arrow functions to ES5

Compile ES2015 block scoping (const and let) to ES5

Compile ES2015 classes to ES5

Compile ES2015 destructuring to ES5

Compile ES2015 spread to ES5

Babel compiler core.

Compile optional catch bindings

Turn async generator functions into ES2015 generators

Allow parsing of class properties

Turn async functions into ES2015 generators

Babel plugin to ensure function declarations at the block level are block scoped

Compile ES2015 computed properties to ES5

Compile exponentiation operator to ES5

Compile ES2015 for...of to ES5

Compile ES2015 unicode string and number literals to ES5

Compile ES2015 object super to ES5

Compile ES2015 default and rest parameters to ES5

Ensure that reserved words are quoted in object property keys

Explode async and generator functions into a state machine.

Compile ES2015 shorthand properties to ES5

Compile ES2015 sticky regex to an ES5 RegExp constructor

Compile ES2015 template literals to ES5

Compile ES2015 Unicode regex to ES5

This transformer wraps all typeof expressions with a method that replicates native behaviour. (ie. returning “symbol” for symbols)