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Add logs for polyfills. #59

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Dec 5, 2016
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Add logs for polyfills. #59

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df7b39d
Add logs for polyfills.
yavorsky Dec 5, 2016
80f93f4
Add yarn.lock
yavorsky Dec 5, 2016
17d4d15
Fix condition.
yavorsky Dec 5, 2016
a0c3e04
Add semicolon.
yavorsky Dec 5, 2016
6eb0584
Revert "Add yarn.lock"
yavorsky Dec 5, 2016
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30 changes: 20 additions & 10 deletions src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,17 @@ export const validateWhitelistOption = (whitelistOpt = []) => {

let hasBeenLogged = false;

const logPlugin = (plugin, targets, list) => {
const envList = list[plugin];
const filteredList = Object.keys(targets)
.reduce((a, b) => {
a[b] = envList[b];
return a;
}, {});
const logStr = `\n ${plugin} ${JSON.stringify(filteredList)}`;
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do we need the \n given its separate console.logs? I see that it's newlines? (Unless you think it looks better that way)

Using plugins:

 syntax-trailing-function-commas {}

Using polyfills:

 es6.typed.data-view {}

 es6.reflect.apply {}

 es6.reflect.own-keys {}

 es6.symbol.iterator {}

 es6.symbol.species {}

 es6.array.from {}

Using plugins:
syntax-trailing-function-commas {}

Using polyfills:
es6.typed.data-view {}
es6.reflect.apply {}
es6.reflect.own-keys {}
es6.symbol.iterator {}
es6.symbol.species {}
es6.array.from {}

console.log(logStr);
};

export default function buildPreset(context, opts = {}) {
const loose = validateLooseOption(opts.loose);
const moduleType = validateModulesOption(opts.modules);
Expand All @@ -155,23 +166,22 @@ export default function buildPreset(context, opts = {}) {

if (debug && !hasBeenLogged) {
hasBeenLogged = true;

console.log("babel-preset-env: `DEBUG` option");
console.log("");
console.log(`Using targets: ${JSON.stringify(targets, null, 2)}`);
console.log("");
console.log("Using plugins:");
console.log("");
console.log(`module: ${moduleType}`);
console.log("");
console.log("Using plugins:");
transformations.forEach((transform) => {
let envList = pluginList[transform];
let filteredList = Object.keys(targets)
.reduce((a, b) => {
a[b] = envList[b];
return a;
}, {});
console.log(transform, JSON.stringify(filteredList, null, 2));
logPlugin(transform, targets, pluginList);
});
console.log("\nUsing polyfills:");
if (useBuiltIns && polyfills.length) {
polyfills.forEach((polyfill) => {
logPlugin(polyfill, targets, builtInsList);
});
}
}

transformations = [...transformations, ...whitelist].map((pluginName) => {
Expand Down