Es2015
Use this tag where the question specifically relates to new features, technical changes, code updates in ECMAScript 2015.
Tree-shaking
Tree shaking is a modern dead code elimination algorithm for ECMAScript 2015.
Others
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I have been happily transpiling a typescript library of mine to cjs for some time but decided i wanted to transpile to es2015 to get more out tree-shaking from question Switching TS to target ES2015, getting unexplained errors named exports |
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Es2015 module is more efficient than the other formats and can facilitate the creation of smaller bundle size through tree-shaking technique importing just the bits you need instead of importing the whole thing from question What is the purpose of the esm directories in the Angular 2 modules? |