From a0704712b0e7d93498395fd64544e3f6880d722a Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Fri, 22 Feb 2019 13:18:55 -0800
Subject: [PATCH] [breaking] `getLockfile`/`getProjectTempDir`: take `logger`
 and `npmNeeded` as object options

---
 bin.js               |  2 +-
 getLockfile.js       |  4 ++--
 getProjectTempDir.js | 22 ++++++++++------------
 3 files changed, 13 insertions(+), 15 deletions(-)

diff --git a/bin.js b/bin.js
index 3ea6e2c..022cead 100755
--- a/bin.js
+++ b/bin.js
@@ -46,7 +46,7 @@ const {
 		demandOption: true
 	});
 
-getLockfile(pkg, date === 'now' ? undefined : date, console.log.bind(console))
+getLockfile(pkg, date === 'now' ? undefined : date, { logger: console.log.bind(console), npmNeeded: '^6.9.0-0' })
 	.then(lockfile => writeFile(output, lockfile))
 	.then(() => { console.log(chalk.green('Lockfile contents written!')); })
 	.catch(err => console.error(err));
diff --git a/getLockfile.js b/getLockfile.js
index d39b48f..2e90e22 100644
--- a/getLockfile.js
+++ b/getLockfile.js
@@ -11,14 +11,14 @@ const readFile = promisify(require('fs').readFile);
 
 const getProjectTempDir = require('./getProjectTempDir');
 
-module.exports = function getLockfile(packageFile, date, logger = () => {}) {
+module.exports = function getLockfile(packageFile, date, { npmNeeded, logger = () => {} } = {}) {
 	if (typeof packageFile !== 'string' || packageFile.length === 0) {
 		return Promise.reject(chalk.red(`\`packageFile\` must be a non-empty string; got ${inspect(packageFile)}`));
 	}
 	if (typeof date !== 'undefined' && !new Date(date).getTime()) {
 		return Promise.reject(chalk.red(`\`date\` must be a valid Date format if provided; got ${inspect(date)}`));
 	}
-	const tmpDirP = getProjectTempDir();
+	const tmpDirP = getProjectTempDir({ npmNeeded, logger });
 	const npmRC = path.join(path.dirname(packageFile), '.npmrc');
 	const copyPkg = tmpDirP.then(tmpDir => {
 		logger(chalk.blue(`Creating \`package.json\` in temp dir for ${date || '“now”'} lockfile`));
diff --git a/getProjectTempDir.js b/getProjectTempDir.js
index f3bb4c1..f10a4b4 100644
--- a/getProjectTempDir.js
+++ b/getProjectTempDir.js
@@ -11,15 +11,6 @@ const path = require('path');
 const { exec, execSync } = require('child_process');
 const writeFile = promisify(require('fs').writeFile);
 
-const npmNeeded = '^6.9.0-0';
-const pkgContents = {
-	'private': true,
-	name: 'npm-jail',
-	dependencies: {
-		npm: npmNeeded
-	}
-};
-
 const cleanupHandlers = [];
 const finalCleanup = function finalCleanup() {
 	for (let i = 0; i < cleanupHandlers.length; ++i) {
@@ -28,7 +19,7 @@ const finalCleanup = function finalCleanup() {
 };
 
 let rootTempDir;
-const getRootTempDir = function getRootTempDir(logger = () => {}) {
+const getRootTempDir = function getRootTempDir(npmNeeded, logger = () => {}) {
 	if (!rootTempDir) {
 		logger(chalk.blue('Creating root temp directory, to hold temporary lockfiles...'));
 		rootTempDir = new Promise((resolve, reject) => tmp.dir((err, tmpDir, cleanup) => {
@@ -42,6 +33,13 @@ const getRootTempDir = function getRootTempDir(logger = () => {}) {
 			var npmV = execSync('npm --version', { encoding: 'utf-8', cwd: tmpDir });
 			logger(`${chalk.blue('Checking npm version:')} \`npm --version\` -> v${npmV}`);
 			if (!semver.satisfies(npmV, npmNeeded)) {
+				const pkgContents = {
+					'private': true,
+					name: 'npm-jail',
+					dependencies: {
+						npm: npmNeeded
+					}
+				};
 				return writeFile(
 					path.join(tmpDir, 'package.json'),
 					JSON.stringify(pkgContents)
@@ -63,8 +61,8 @@ const getRootTempDir = function getRootTempDir(logger = () => {}) {
 	return rootTempDir;
 };
 
-module.exports = function getProjectTempDir(logger = undefined) {
-	return getRootTempDir(logger).then(rootDir => {
+module.exports = function getProjectTempDir({ npmNeeded = '^6.9.0-0', logger = undefined } = {}) {
+	return getRootTempDir(npmNeeded, logger).then(rootDir => {
 		const projectDir = path.join(rootDir, 'XXXXXX');
 		return new Promise((resolve, reject) => tmp.dir({ template: projectDir }, (err, tmpDir, cleanup) => {
 			if (err) {