Toolkit for mapping elements of sets into geometric objects.

百度坐标系 (BD-09) 、 火星坐标系 (GCJ-02)、WSG84坐标系互转

Finds the angle formed by two adjacent segments.

This plugin transforms ES2015 modules to CommonJS

Compile ES2015 arrow functions to ES5

Changes the size of a geometry by scaling it up or down.

Compile ES2015 block scoping (const and let) to ES5

Apply ES2015 function.name semantics to all functions

Transform class static blocks

Ensure that reserved words are quoted in object property keys

Transform TypeScript into ES.next

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

Add a __source prop to all JSX Elements

Add a __self prop to all JSX Elements

Remove numeric separators from Decimal, Binary, Hex and Octal literals

Compile ES2015 Unicode escapes to ES5

Compile ES2015 for...of to ES5

Compile exponentiation operator to ES5

Remove nullish coalescing operator

Transform optional chaining operators into a series of nil checks