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Only console.log the debug info once #46

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merged 2 commits into from
Nov 16, 2016
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Only console.log the debug info once #46

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3dcf1f9
Only console.log the debug info once
hzoo Nov 16, 2016
dd312b8
[skip ci]
hzoo Nov 16, 2016
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7 changes: 6 additions & 1 deletion src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -132,6 +132,8 @@ export const validateWhitelistOption = (whitelistOpt = []) => {
return whitelistOpt;
};

let hasBeenLogged = false;

export default function buildPreset(context, opts = {}) {
const loose = validateLooseOption(opts.loose);
const moduleType = validateModulesOption(opts.modules);
Expand All @@ -142,7 +144,10 @@ export default function buildPreset(context, opts = {}) {
let transformations = Object.keys(pluginList)
.filter((pluginName) => isPluginRequired(targets, pluginList[pluginName]));

if (debug) {
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("");
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