Handlebars provides the power necessary to let you build semantic templates effectively with no frustration
Complete babel presets for a Vue app.
tab completion helpers, for node cli programs. Inspired by npm completion.
Static scope analysis and transpilation of ES6 block scoped const and let variables, to ES3.
NodeJS Require that let you handle module not found error without try/catch
JSON Schema TypeScript definitions with complete inline documentation.

Compile ES2015 block scoping (const and let) to ES5
Time async functions using async-done for execution and completion.
Compile ES2015 block scoping (const and let) to ES5
Run predefined tasks whenever watched file patterns are added, changed or deleted.
Implemets the CIEDE2000 color difference algorithm, conversion between RGB and LAB color and mapping all colors in palette X to the closest or most different color in palette Y based on the CIEDE2000 difference.
TypeScript Language Service Completion API is slow when calculate auto-import.
Let your JS API users either give you a callback or receive a promise