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import process from 'node:process';
import path from 'node:path';
import {fileURLToPath} from 'node:url';
import pathKey from 'path-key';
export const npmRunPath = ({
cwd = process.cwd(),
path: pathOption = process.env[pathKey()],
preferLocal = true,
execPath = process.execPath,
addExecPath = true,
} = {}) => {
const cwdString = cwd instanceof URL ? fileURLToPath(cwd) : cwd;
const cwdPath = path.resolve(cwdString);
const result = [];
if (preferLocal) {
applyPreferLocal(result, cwdPath);
}
if (addExecPath) {
applyExecPath(result, execPath, cwdPath);
}
return [...result, pathOption].join(path.delimiter);
};
const applyPreferLocal = (result, cwdPath) => {
let previous;
while (previous !== cwdPath) {
result.push(path.join(cwdPath, 'node_modules/.bin'));
previous = cwdPath;
cwdPath = path.resolve(cwdPath, '..');
}
};
// Ensure the running `node` binary is used
const applyExecPath = (result, execPath, cwdPath) => {
const execPathString = execPath instanceof URL ? fileURLToPath(execPath) : execPath;
result.push(path.resolve(cwdPath, execPathString, '..'));
};
export const npmRunPathEnv = ({env = process.env, ...options} = {}) => {
env = {...env};
const pathName = pathKey({env});
options.path = env[pathName];
env[pathName] = npmRunPath(options);
return env;
};
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