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'use strict';
const fs = require('fs');
const path = require('path');
const execa = require('execa');
const hasYarn = require('has-yarn');
const readPkgUp = require('read-pkg-up');
const writePkg = require('write-pkg');
const arrExclude = require('arr-exclude');
const DEFAULT_TEST_SCRIPT = 'echo "Error: no test specified" && exit 1';
module.exports = opts => {
opts = opts || {};
const ret = readPkgUp.sync({
cwd: opts.cwd,
normalize: false
});
const pkg = ret.pkg || {};
const pkgPath = ret.path || path.resolve(opts.cwd || process.cwd(), 'package.json');
const pkgCwd = path.dirname(pkgPath);
const cli = opts.args || process.argv.slice(2);
const args = arrExclude(cli, ['--init', '--unicorn']);
const cmd = 'ava' + (args.length > 0 ? ' ' + args.join(' ') : '');
const s = pkg.scripts = pkg.scripts ? pkg.scripts : {};
if (s.test && s.test !== DEFAULT_TEST_SCRIPT) {
s.test = s.test.replace(/\bnode (test\/)?test\.js\b/, cmd);
if (!/\bava\b/.test(s.test)) {
s.test += ` && ${cmd}`;
}
} else {
s.test = cmd;
}
writePkg.sync(pkgPath, pkg);
const post = () => {
// For personal use
if (cli.indexOf('--unicorn') !== -1) {
const pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf8'));
pkg.devDependencies.ava = '*';
writePkg.sync(pkgPath, pkg);
}
};
if (opts.skipInstall) {
return Promise.resolve(post);
}
if (hasYarn(pkgCwd)) {
return execa('yarn', ['add', '--dev', 'ava'], {cwd: pkgCwd}).then(post);
}
return execa('npm', ['install', '--save-dev', 'ava'], {
cwd: pkgCwd,
stdio: 'inherit'
}).then(post);
};
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