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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 23x 1x 16x 16x 16x 16x 16x 16x 16x 16x 1x 23x 23x 1x 22x 22x 22x 12x 12x 1x 1x 11x 1x 1x 12x 2x 10x 20x 27x 27x 26x 26x 26x 27x 20x 10x 17x 17x 17x 17x 12x 12x 12x 12x 19x 18x 7x 12x 11x 11x 6x 1x 5x 3x 6x 3x 3x 2x 1x 8x 9x 14x 1x 36x 36x 29x 7x 4x 3x 1x 10x 10x 6x 4x 4x 1x 3x 1x 12x 1x 12x 7x 1x | const npm = require('./npm.js') const usageUtil = require('./utils/usage.js') const usage = usageUtil('exec', 'Run a command from a local or remote npm package.\n\n' + 'npm exec -- <pkg>[@<version>] [args...]\n' + 'npm exec --package=<pkg>[@<version>] -- <cmd> [args...]\n' + 'npm exec -c \'<cmd> [args...]\'\n' + 'npm exec --package=foo -c \'<cmd> [args...]\'\n' + '\n' + 'npx <pkg>[@<specifier>] [args...]\n' + 'npx -p <pkg>[@<specifier>] <cmd> [args...]\n' + 'npx -c \'<cmd> [args...]\'\n' + 'npx -p <pkg>[@<specifier>] -c \'<cmd> [args...]\'', '\n--package=<pkg> (may be specified multiple times)\n' + '-p is a shorthand for --package only when using npx executable\n' + '-c <cmd> --call=<cmd> (may not be mixed with positional arguments)' ) const completion = require('./utils/completion/installed-shallow.js') const { promisify } = require('util') const read = promisify(require('read')) // it's like this: // // npm x pkg@version <-- runs the bin named "pkg" or the only bin if only 1 // // { name: 'pkg', bin: { pkg: 'pkg.js', foo: 'foo.js' }} <-- run pkg // { name: 'pkg', bin: { foo: 'foo.js' }} <-- run foo? // // npm x -p pkg@version -- foo // // npm x -p pkg@version -- foo --registry=/dev/null // // const pkg = npm.flatOptions.package || getPackageFrom(args[0]) // const cmd = getCommand(pkg, args[0]) // --> npm x -c 'cmd ...args.slice(1)' // // we've resolved cmd and args, and escaped them properly, and installed the // relevant packages. // // Add the ${npx install prefix}/node_modules/.bin to PATH // // pkg = readPackageJson('./package.json') // pkg.scripts.___npx = ${the -c arg} // runScript({ pkg, event: 'npx', ... }) // process.env.npm_lifecycle_event = 'npx' const mkdirp = require('mkdirp-infer-owner') const readPackageJson = require('read-package-json-fast') const Arborist = require('@npmcli/arborist') const runScript = require('@npmcli/run-script') const { resolve, delimiter } = require('path') const ciDetect = require('@npmcli/ci-detect') const crypto = require('crypto') const pacote = require('pacote') const npa = require('npm-package-arg') const escapeArg = require('./utils/escape-arg.js') const fileExists = require('./utils/file-exists.js') const PATH = require('./utils/path.js') const cmd = (args, cb) => exec(args).then(() => cb()).catch(cb) const run = async ({ args, call, pathArr }) => { // turn list of args into command string const script = call || args.map(escapeArg).join(' ').trim() // do the fakey runScript dance // still should work if no package.json in cwd const realPkg = await readPackageJson(`${npm.localPrefix}/package.json`) .catch(() => ({})) const pkg = { ...realPkg, scripts: { ...(realPkg.scripts || {}), npx: script, }, } npm.log.disableProgress() try { return await runScript({ pkg, banner: false, // we always run in cwd, not --prefix path: process.cwd(), stdioString: true, event: 'npx', env: { PATH: pathArr.join(delimiter), }, stdio: 'inherit', }) } finally { npm.log.enableProgress() } } const exec = async args => { const { package: packages, call } = npm.flatOptions if (call && args.length) throw usage const pathArr = [...PATH] const needPackageCommandSwap = args.length && !packages.length // if there's an argument and no package has been explicitly asked for // check the local and global bin paths for a binary named the same as // the argument and run it if it exists, otherwise fall through to // the behavior of treating the single argument as a package name if (needPackageCommandSwap) { let binExists = false if (await fileExists(`${npm.localBin}/${args[0]}`)) { pathArr.unshift(npm.localBin) binExists = true } else if (await fileExists(`${npm.globalBin}/${args[0]}`)) { pathArr.unshift(npm.globalBin) binExists = true } if (binExists) { return await run({ args, call: [args[0], ...args.slice(1).map(escapeArg)].join(' ').trim(), pathArr, }) } packages.push(args[0]) } // If we do `npm exec foo`, and have a `foo` locally, then we'll // always use that, so we don't really need to fetch the manifest. // So: run npa on each packages entry, and if it is a name with a // rawSpec==='', then try to readPackageJson at // node_modules/${name}/package.json, and only pacote fetch if // that fails. const manis = await Promise.all(packages.map(async p => { const spec = npa(p, npm.localPrefix) if (spec.type === 'tag' && spec.rawSpec === '') { // fall through to the pacote.manifest() approach try { const pj = resolve(npm.localPrefix, 'node_modules', spec.name) return await readPackageJson(pj) } catch (er) {} } return await pacote.manifest(p, { ...npm.flatOptions, }) })) if (needPackageCommandSwap) args[0] = getBinFromManifest(manis[0]) // figure out whether we need to install stuff, or if local is fine const localArb = new Arborist({ ...npm.flatOptions, path: npm.localPrefix, }) const tree = await localArb.loadActual() // do we have all the packages in manifest list? const needInstall = manis.some(mani => manifestMissing(tree, mani)) if (needInstall) { const installDir = cacheInstallDir(packages) await mkdirp(installDir) const arb = new Arborist({ ...npm.flatOptions, path: installDir }) const tree = await arb.loadActual() // any that don't match the manifest we have, install them // add installDir/node_modules/.bin to pathArr const add = manis.filter(mani => manifestMissing(tree, mani)) .map(mani => mani._from) .sort((a, b) => a.localeCompare(b)) // no need to install if already present if (add.length) { const isTTY = process.stdin.isTTY && process.stdout.isTTY if (!npm.flatOptions.yes) { // set -n to always say no if (npm.flatOptions.yes === false) throw 'canceled' if (!isTTY || ciDetect()) npm.log.warn('exec', `The following package${add.length === 1 ? ' was' : 's were'} not found and will be installed: ${add.map((pkg) => pkg.replace(/@$/, '')).join(', ')}`) else { const addList = add.map(a => ` ${a.replace(/@$/, '')}`) .join('\n') + '\n' const prompt = `Need to install the following packages:\n${ addList }Ok to proceed? ` const confirm = await read({ prompt, default: 'y' }) if (confirm.trim().toLowerCase().charAt(0) !== 'y') throw 'canceled' } } await arb.reify({ ...npm.flatOptions, add }) } pathArr.unshift(resolve(installDir, 'node_modules/.bin')) } return await run({ args, call, pathArr }) } const manifestMissing = (tree, mani) => { // if the tree doesn't have a child by that name/version, return true // true means we need to install it const child = tree.children.get(mani.name) // if no child, we have to load it if (!child) return true // if no version/tag specified, allow whatever's there if (mani._from === `${mani.name}@`) return false // otherwise the version has to match what we WOULD get return child.version !== mani.version } const getBinFromManifest = mani => { // if we have a bin matching (unscoped portion of) packagename, use that // otherwise if there's 1 bin or all bin value is the same (alias), use that, // otherwise fail const bin = mani.bin || {} if (new Set(Object.values(bin)).size === 1) return Object.keys(bin)[0] // XXX probably a util to parse this better? const name = mani.name.replace(/^@[^/]+\//, '') if (bin[name]) return name // XXX need better error message throw Object.assign(new Error('could not determine executable to run'), { pkgid: mani._id, }) } // only packages not found in ${prefix}/node_modules const cacheInstallDir = packages => resolve(npm.config.get('cache'), '_npx', getHash(packages)) const getHash = packages => crypto.createHash('sha512') .update(packages.sort((a, b) => a.localeCompare(b)).join('\n')) .digest('hex') .slice(0, 16) module.exports = Object.assign(cmd, { completion, usage }) |