'use strict';
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const path = require('path');
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const {readFileSync} = require('fs');
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const isNodeModules = require('./is-node-modules.cjs');
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const resultsCache = require('./cache.cjs');
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function getDirectoryTypeActual(directory) {
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if (isNodeModules(directory)) {
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return 'commonjs';
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}
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try {
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return JSON.parse(readFileSync(path.resolve(directory, 'package.json'))).type || 'commonjs';
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} catch (_) {
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}
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const parent = path.dirname(directory);
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if (parent === directory) {
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return 'commonjs';
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}
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return getDirectoryType(parent);
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}
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function getDirectoryType(directory) {
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if (resultsCache.has(directory)) {
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return resultsCache.get(directory);
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}
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const result = getDirectoryTypeActual(directory);
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resultsCache.set(directory, result);
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return result;
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}
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function getPackageTypeSync(filename) {
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return getDirectoryType(path.resolve(path.dirname(filename)));
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}
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module.exports = getPackageTypeSync;
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