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66 lines
1.4 KiB
66 lines
1.4 KiB
import process from 'node:process'; |
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import path from 'node:path'; |
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import fs from 'node:fs'; |
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import commonPathPrefix from 'common-path-prefix'; |
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import {packageDirectorySync} from 'pkg-dir'; |
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const {env, cwd} = process; |
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const isWritable = path => { |
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try { |
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fs.accessSync(path, fs.constants.W_OK); |
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return true; |
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} catch { |
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return false; |
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} |
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}; |
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function useDirectory(directory, options) { |
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if (options.create) { |
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fs.mkdirSync(directory, {recursive: true}); |
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} |
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if (options.thunk) { |
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return (...arguments_) => path.join(directory, ...arguments_); |
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} |
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return directory; |
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} |
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function getNodeModuleDirectory(directory) { |
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const nodeModules = path.join(directory, 'node_modules'); |
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if ( |
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!isWritable(nodeModules) |
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&& (fs.existsSync(nodeModules) || !isWritable(path.join(directory))) |
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) { |
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return; |
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} |
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return nodeModules; |
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} |
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export default function findCacheDirectory(options = {}) { |
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if (env.CACHE_DIR && !['true', 'false', '1', '0'].includes(env.CACHE_DIR)) { |
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return useDirectory(path.join(env.CACHE_DIR, options.name), options); |
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} |
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let {cwd: directory = cwd()} = options; |
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if (options.files) { |
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directory = commonPathPrefix(options.files.map(file => path.resolve(directory, file))); |
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} |
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directory = packageDirectorySync({cwd: directory}); |
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if (!directory) { |
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return; |
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} |
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const nodeModules = getNodeModuleDirectory(directory); |
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if (!nodeModules) { |
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return; |
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} |
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return useDirectory(path.join(directory, 'node_modules', '.cache', options.name), options); |
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}
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