use pacote instead of npm cli

Author: Kelly Selden

package.json

@@ -44,6 +44,7 @@
     "fs-extra": "^10.0.0",
     "inquirer": "^8.0.0",
     "npm-package-arg": "^9.0.0",
+    "pacote": "^13.6.0",
     "resolve": "^1.10.0",
     "semver": "^7.3.2",
     "tmp": "0.2.1",

src/get-default-blueprint-name-override.js

@@ -2,7 +2,7 @@
 
 const fs = require('fs-extra');
 const path = require('path');
-const npm = require('boilerplate-update/src/npm');
+const pacote = require('pacote');
 
 /**
  * Run npm view to get the package.json and parse it to check if it contains property
@@ -20,9 +20,13 @@ module.exports = async function getBlueprintNameOverride(packageNameOrPath, cwd
     packageJson = JSON.parse(await fs.readFile(localPackageJsonPath));
   } else {
     try {
-      packageJson = await npm.json('view', packageNameOrPath);
+      packageJson = await pacote.manifest(packageNameOrPath, { fullMetadata: true });
     } catch (err) {
-      return null;
+      if (err.statusCode !== 404) {
+        throw err;
+      }
+
+      packageJson = {};
     }
   }
 

test/integration/get-default-blueprint-name-override-test.js

@@ -5,17 +5,23 @@ const { expect } = require('../helpers/chai');
 const getBlueprintNameOverride = require('../../src/get-default-blueprint-name-override');
 
 describe(getBlueprintNameOverride, function() {
-  it('Local package with nondefault returns expected value', async function() {
-    let localPackageFixture = 'test/fixtures/blueprint/addon/default-blueprint-different-than-name/v0.0.1';
+  it('local package with non-default returns expected value', async function() {
+    let localPackageFixture = '../fixtures/blueprint/addon/default-blueprint-different-than-name/v0.0.1';
 
-    let defaultBlueprintOverride = await getBlueprintNameOverride(localPackageFixture);
+    let defaultBlueprintOverride = await getBlueprintNameOverride(localPackageFixture, __dirname);
 
     expect(defaultBlueprintOverride).to.be.equal('custom-blueprint');
   });
 
-  it('NPM package with nondefault returns expected value', async function() {
+  it('NPM package with non-default returns expected value', async function() {
     let defaultBlueprintOverride = await getBlueprintNameOverride('ember-cli-update-default-blueprint-override-test');
 
     expect(defaultBlueprintOverride).to.be.equal('hello-world');
   });
+
+  it('missing NPM package returns null', async function() {
+    let defaultBlueprintOverride = await getBlueprintNameOverride('this-is-hopefully-missing');
+
+    expect(defaultBlueprintOverride).to.be.null;
+  });
 });

test/unit/get-default-blueprint-name-override-test.js

@@ -6,7 +6,7 @@ const getBlueprintNameOverride = require('../../src/get-default-blueprint-name-o
 const sinon = require('sinon');
 const path = require('path');
 const fs = require('fs-extra');
-const npm = require('boilerplate-update/src/npm');
+const pacote = require('pacote');
 
 const cwd = 'a/made/up/path';
 const packageNameOrPath = '../a-package-name';
@@ -16,12 +16,12 @@ const localPackageJsonPath = path.join(path.resolve(cwd, packageNameOrPath), 'pa
 describe(getBlueprintNameOverride, function() {
   let pathExistsStub;
   let readFileStub;
-  let jsonStub;
+  let manifestStub;
 
   beforeEach(function() {
     pathExistsStub = sinon.stub(fs, 'pathExists');
     readFileStub = sinon.stub(fs, 'readFile');
-    jsonStub = sinon.stub(npm, 'json');
+    manifestStub = sinon.stub(pacote, 'manifest');
   });
 
   afterEach(function() {
@@ -43,7 +43,7 @@ describe(getBlueprintNameOverride, function() {
     expect(defaultBlueprintOverride).to.equal(defaultBlueprint);
   });
 
-  it('doesn\'t use npm if found locally', async function() {
+  it('doesn\'t use NPM if found locally', async function() {
     pathExistsStub.withArgs(localPackageJsonPath).resolves(true);
 
     readFileStub.withArgs(localPackageJsonPath).resolves(JSON.stringify({
@@ -55,13 +55,13 @@ describe(getBlueprintNameOverride, function() {
 
     await getBlueprintNameOverride(packageNameOrPath, cwd);
 
-    expect(jsonStub).to.not.have.been.called;
+    expect(manifestStub).to.not.have.been.called;
   });
 
-  it('uses npm if not found locally', async function() {
+  it('uses NPM if not found locally', async function() {
     pathExistsStub.withArgs(localPackageJsonPath).resolves(false);
 
-    jsonStub.withArgs('view', packageNameOrPath).resolves({
+    manifestStub.withArgs(packageNameOrPath).resolves({
       name: packageNameOrPath,
       'ember-addon': {
         defaultBlueprint
@@ -73,10 +73,10 @@ describe(getBlueprintNameOverride, function() {
     expect(defaultBlueprintOverride).to.equal(defaultBlueprint);
   });
 
-  it('doesn\'t read local file if using npm', async function() {
+  it('doesn\'t read local file if using NPM', async function() {
     pathExistsStub.withArgs(localPackageJsonPath).resolves(false);
 
-    jsonStub.withArgs('view', packageNameOrPath).resolves({
+    manifestStub.withArgs(packageNameOrPath).resolves({
       name: packageNameOrPath,
       'ember-addon': {
         defaultBlueprint
@@ -88,7 +88,7 @@ describe(getBlueprintNameOverride, function() {
     expect(readFileStub).to.not.have.been.called;
   });
 
-  it('Null if ember-addon does not exist in package.json', async function() {
+  it('null if ember-addon does not exist in package.json', async function() {
     pathExistsStub.withArgs(localPackageJsonPath).resolves(true);
 
     readFileStub.withArgs(localPackageJsonPath).resolves(JSON.stringify({
@@ -100,7 +100,7 @@ describe(getBlueprintNameOverride, function() {
     expect(defaultBlueprintOverride).to.be.null;
   });
 
-  it('Null if defaultBlueprint does not exist in ember-addon', async function() {
+  it('null if defaultBlueprint does not exist in ember-addon', async function() {
     pathExistsStub.withArgs(localPackageJsonPath).resolves(true);
 
     readFileStub.withArgs(localPackageJsonPath).resolves(JSON.stringify({
@@ -113,13 +113,31 @@ describe(getBlueprintNameOverride, function() {
     expect(defaultBlueprintOverride).to.be.null;
   });
 
-  it('Error in spawn returns null', async function() {
+  it('missing NPM package returns null', async function() {
     pathExistsStub.withArgs(localPackageJsonPath).resolves(false);
 
-    jsonStub.withArgs('view', packageNameOrPath).rejects();
+    manifestStub.withArgs(packageNameOrPath).rejects({
+      statusCode: 404
+    });
 
     let defaultBlueprintOverride = await getBlueprintNameOverride(packageNameOrPath, cwd);
 
     expect(defaultBlueprintOverride).to.be.null;
   });
+
+  it('doesn\'t swallow all NPM errors', async function() {
+    pathExistsStub.withArgs(localPackageJsonPath).resolves(false);
+
+    let err = {
+      statusCode: 123
+    };
+
+    manifestStub.withArgs(packageNameOrPath).rejects({
+      statusCode: 123
+    });
+
+    let promise = getBlueprintNameOverride(packageNameOrPath, cwd);
+
+    await expect(promise).to.eventually.be.rejectedWith(err);
+  });
 });