From 64e7d76b6b0a355e7a2c421101877cbf66fdf6a2 Mon Sep 17 00:00:00 2001 From: Mark Jones Date: Wed, 8 Feb 2017 10:25:10 -0500 Subject: [PATCH] Added info about stage 2 (#5252) [skip ci] --- packages/babel-preset-stage-2/README.md | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/packages/babel-preset-stage-2/README.md b/packages/babel-preset-stage-2/README.md index 1c6a5f900e..0007aa1a67 100644 --- a/packages/babel-preset-stage-2/README.md +++ b/packages/babel-preset-stage-2/README.md @@ -2,6 +2,18 @@ > Babel preset for stage 2 plugins. +The gist of Stage 2 is: + +> **Stage 2:** draft +> +> **What is it?** A first version of what will be in the specification. At this point, an eventual inclusion of the feature in the standard is likely. +> +> **What’s required?** The proposal must now additionally have a formal description of the syntax and semantics of the feature (using the formal language of the ECMAScript specification). The description should be as complete as possible, but can contain todos and placeholders. Two experimental implementations of the feature are needed, but one of them can be in a transpiler such as Babel. +> +> **What’s next?** Only incremental changes are expected from now on. + + + ## Install ```sh @@ -33,3 +45,6 @@ require("babel-core").transform("code", { presets: ["stage-2"] }); ``` +## References + +- Chapter "[The TC39 process for ECMAScript features](http://exploringjs.com/es2016-es2017/ch_tc39-process.html)" in "Exploring ES2016 and ES2017" by Axel Rauschmayer