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48 lines
1.1 KiB
48 lines
1.1 KiB
3 years ago
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'use strict';
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const path = require('path');
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const Module = require('module');
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const fs = require('fs');
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const resolveFrom = (fromDir, moduleId, silent) => {
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if (typeof fromDir !== 'string') {
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throw new TypeError(`Expected \`fromDir\` to be of type \`string\`, got \`${typeof fromDir}\``);
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}
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if (typeof moduleId !== 'string') {
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throw new TypeError(`Expected \`moduleId\` to be of type \`string\`, got \`${typeof moduleId}\``);
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}
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try {
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fromDir = fs.realpathSync(fromDir);
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} catch (err) {
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if (err.code === 'ENOENT') {
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fromDir = path.resolve(fromDir);
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} else if (silent) {
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return null;
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} else {
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throw err;
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}
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}
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const fromFile = path.join(fromDir, 'noop.js');
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const resolveFileName = () => Module._resolveFilename(moduleId, {
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id: fromFile,
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filename: fromFile,
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paths: Module._nodeModulePaths(fromDir)
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});
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if (silent) {
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try {
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return resolveFileName();
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} catch (err) {
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return null;
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}
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}
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return resolveFileName();
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};
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module.exports = (fromDir, moduleId) => resolveFrom(fromDir, moduleId);
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module.exports.silent = (fromDir, moduleId) => resolveFrom(fromDir, moduleId, true);
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