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index.js
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index.js
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import {promisify} from 'node:util';
import {execFile} from 'node:child_process';
const execFileP = promisify(execFile);
function isObject(value) {
return !Array.isArray(value) && typeof value === 'object';
}
function isString(value) {
return typeof value === 'string';
}
function normalizePackages(args) {
const pkgs = [];
if (Array.isArray(args)) {
for (const pkg of args) {
if (isString(pkg)) {
pkgs.push(pkg);
}
}
} else if (isString(args)) {
pkgs.push(args);
}
return pkgs;
}
function normalizeOptions(args) {
const options = [];
if (Array.isArray(args)) {
for (const option of args) {
if (isString(option)) {
options.push(option);
}
}
} else if (isObject(args)) {
for (const key of Object.keys(args)) {
const value = args[key];
if (value === true) {
options.push(key);
} else if (isString(value)) {
options.push(`${key}=${value}`);
}
}
} else if (isString(args)) {
options.push(args);
}
return options;
}
const install = async (packages, args, options) => {
const array = [];
const pkgs = normalizePackages(packages);
if (pkgs.length === 0) {
throw new Error('Invalid package names');
}
for (const pkg of pkgs) {
array.push(pkg);
}
for (const arg of normalizeOptions(args)) {
array.push(arg);
}
const result = await execFileP('npm', ['install', ...array], options);
return result;
};
export default install;