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Use native require.resolve when available #52

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merged 1 commit into from Jan 6, 2021
Merged

Use native require.resolve when available #52

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23 changes: 18 additions & 5 deletions packages/babel-helper-define-polyfill-provider/src/dependencies.js
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@@ -1,8 +1,10 @@
// @flow

import requireResolve from "resolve";
import path from "path";
import debounce from "lodash.debounce";
import requireResolve from "resolve";

const nativeRequireResolve = parseFloat(process.versions.node) >= 8.9;

export function resolve(
dirname: string,
Expand Down Expand Up @@ -32,9 +34,15 @@ export function resolve(
}

try {
const pkg = requireResolve.sync(`${modulePackage}/package.json`, {
basedir,
});
let pkg;
if (nativeRequireResolve) {
// $FlowIgnore
pkg = require.resolve(`${modulePackage}/package.json`, {
paths: [basedir],
});
} else {
pkg = requireResolve.sync(`${modulePackage}/package.json`, { basedir });
}
return path.dirname(pkg) + moduleNestedPath;
} catch (err) {
if (err.code !== "MODULE_NOT_FOUND") throw err;
Expand All @@ -53,7 +61,12 @@ export function resolve(

export function has(basedir: string, name: string) {
try {
requireResolve.sync(name, { basedir });
if (nativeRequireResolve) {
// $FlowIgnore
require.resolve(name, { paths: [basedir] });
} else {
requireResolve.sync(name, { basedir });
}
return true;
} catch {
return false;
Expand Down