yarn-or-npm
Execute scripts with Yarn or npm
npm i --save-dev yarn-or-npmModule
import yarnOrNpm, { spawn, hasYarn, hasNpm } from 'yarn-or-npm';
// String of `yarn` or `npm` returned
console.log(yarnOrNpm());
// Boolean values for hasYarn, hasNpm
console.log(hasYarn());
// Spawn yarn or npm command
spawn(['init']);
// Spawn sync option
spawn.sync(['init'], { stdio: 'inherit' });Under the covers, there is a cached value being used for efficiency. This can be manually cleared:
import yarnOrNpm from 'yarn-or-npm';
import { spawnSync } from 'child_process';
console.log(yarnOrNpm.hasYarn()); // false
spawnSync('npm', ['i', '-g', 'yarn'], { stdio: 'inherit' });
console.log(yarnOrNpm.hasYarn()); // false (cached)
yarnOrNpm.clearCache();
console.log(yarnOrNpm.hasYarn()); // trueCLI
yarn-or-npm <command>
# Can also use `yon` shorthand
yon <command>Package
Modules with bin files can be called directly in package.json scripts:
{
"devDependencies": {
...
"yarn-or-npm": "^1.0.0"
},
"scripts": {
"compile": "babel src --out-dir dist",
"lint": "eslint .",
"prepublish": "yarn-or-npm run lint && yarn-or-npm run compile"
}
}
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