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Prefer peer over prod dep, if specified in both
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Also, preserve the duplication if we update or modify the package.json
file.

Fix: npm/rfcs#324
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@isaacs
isaacs committed Feb 17, 2021
1 parent 9c6cd63 commit 718e8e5
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Showing 5 changed files with 137 additions and 38 deletions.
2 changes: 1 addition & 1 deletion lib/node.js
View file
Expand Up @@ -731,7 +731,6 @@ class Node {
// Note the subtle breaking change from v6: it is no longer possible
// to have a different spec for a devDep than production dep.
this[_loadDepType](this.package.optionalDependencies, 'optional')
this[_loadDepType](this.package.dependencies, 'prod')

// Linked targets that are disconnected from the tree are tops,
// but don't have a 'path' field, only a 'realpath', because we
Expand All @@ -755,6 +754,7 @@ class Node {
this[_loadDepType](peerDependencies, 'peer')
this[_loadDepType](peerOptional, 'peerOptional')
}
this[_loadDepType](this.package.dependencies, 'prod')
}

[_loadDepType] (obj, type) {
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19 changes: 18 additions & 1 deletion lib/update-root-package-json.js
View file
Expand Up @@ -43,12 +43,29 @@ const updateRootPackageJson = async tree => {
}

// if there's no package.json, just use internal pkg info as source of truth
const packageJsonContent = originalContent || depsData
// clone the object though, so we can still refer to what it originally was
const packageJsonContent = !originalContent ? depsData
: Object.assign({}, originalContent)

// loop through all types of dependencies and update package json content
for (const type of depTypes)
packageJsonContent[type] = depsData[type]

// if original package.json had dep in peerDeps AND deps, preserve that.
const { dependencies: origProd, peerDependencies: origPeer } =
originalContent || {}
const { peerDependencies: newPeer } = packageJsonContent
if (origProd && origPeer && newPeer) {
// we have original prod/peer deps, and new peer deps
// copy over any that were in both in the original
for (const name of Object.keys(origPeer)) {
if (origProd[name] !== undefined && newPeer[name] !== undefined) {
packageJsonContent.dependencies = packageJsonContent.dependencies || {}
packageJsonContent.dependencies[name] = newPeer[name]
}
}
}

// format content
const {
[Symbol.for('indent')]: indent,
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60 changes: 30 additions & 30 deletions tap-snapshots/test-node.js-TAP.test.js
View file
Expand Up @@ -670,8 +670,8 @@ exports[`test/node.js TAP testing with dep tree with meta > add new meta under p
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -917,10 +917,10 @@ exports[`test/node.js TAP testing with dep tree with meta > add new meta under p
"optional" => Edge {},
"overlap" => Edge {},
"optMissing" => Edge {},
"dev" => Edge {},
"prod" => Edge {},
"bundled" => Edge {},
"missing" => Edge {},
"dev" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -993,8 +993,8 @@ exports[`test/node.js TAP testing with dep tree with meta > add new meta under p
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -1421,8 +1421,8 @@ exports[`test/node.js TAP testing with dep tree with meta > initial load with so
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -1615,10 +1615,10 @@ exports[`test/node.js TAP testing with dep tree with meta > initial load with so
"optional" => Edge {},
"overlap" => Edge {},
"optMissing" => Edge {},
"dev" => Edge {},
"prod" => Edge {},
"bundled" => Edge {},
"missing" => Edge {},
"dev" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -1667,8 +1667,8 @@ exports[`test/node.js TAP testing with dep tree with meta > initial load with so
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -1964,8 +1964,8 @@ exports[`test/node.js TAP testing with dep tree with meta > move meta to top lev
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -2189,10 +2189,10 @@ exports[`test/node.js TAP testing with dep tree with meta > move meta to top lev
"optional" => Edge {},
"overlap" => Edge {},
"optMissing" => Edge {},
"dev" => Edge {},
"prod" => Edge {},
"bundled" => Edge {},
"missing" => Edge {},
"dev" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand All @@ -2210,8 +2210,8 @@ exports[`test/node.js TAP testing with dep tree with meta > move meta to top lev
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -2508,8 +2508,8 @@ exports[`test/node.js TAP testing with dep tree with meta > move new meta to top
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -2780,10 +2780,10 @@ exports[`test/node.js TAP testing with dep tree with meta > move new meta to top
"optional" => Edge {},
"overlap" => Edge {},
"optMissing" => Edge {},
"dev" => Edge {},
"prod" => Edge {},
"bundled" => Edge {},
"missing" => Edge {},
"dev" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand All @@ -2801,8 +2801,8 @@ exports[`test/node.js TAP testing with dep tree with meta > move new meta to top
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -3169,8 +3169,8 @@ exports[`test/node.js TAP testing with dep tree with meta > move new meta to top
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -3441,10 +3441,10 @@ exports[`test/node.js TAP testing with dep tree with meta > move new meta to top
"optional" => Edge {},
"overlap" => Edge {},
"optMissing" => Edge {},
"dev" => Edge {},
"prod" => Edge {},
"bundled" => Edge {},
"missing" => Edge {},
"dev" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand All @@ -3462,8 +3462,8 @@ exports[`test/node.js TAP testing with dep tree with meta > move new meta to top
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -3885,8 +3885,8 @@ exports[`test/node.js TAP testing with dep tree without meta > add new meta unde
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -4132,10 +4132,10 @@ exports[`test/node.js TAP testing with dep tree without meta > add new meta unde
"optional" => Edge {},
"overlap" => Edge {},
"optMissing" => Edge {},
"dev" => Edge {},
"prod" => Edge {},
"bundled" => Edge {},
"missing" => Edge {},
"dev" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -4208,8 +4208,8 @@ exports[`test/node.js TAP testing with dep tree without meta > add new meta unde
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -4636,8 +4636,8 @@ exports[`test/node.js TAP testing with dep tree without meta > initial load with
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -4830,10 +4830,10 @@ exports[`test/node.js TAP testing with dep tree without meta > initial load with
"optional" => Edge {},
"overlap" => Edge {},
"optMissing" => Edge {},
"dev" => Edge {},
"prod" => Edge {},
"bundled" => Edge {},
"missing" => Edge {},
"dev" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -4882,8 +4882,8 @@ exports[`test/node.js TAP testing with dep tree without meta > initial load with
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -5179,8 +5179,8 @@ exports[`test/node.js TAP testing with dep tree without meta > move meta to top
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -5404,10 +5404,10 @@ exports[`test/node.js TAP testing with dep tree without meta > move meta to top
"optional" => Edge {},
"overlap" => Edge {},
"optMissing" => Edge {},
"dev" => Edge {},
"prod" => Edge {},
"bundled" => Edge {},
"missing" => Edge {},
"dev" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand All @@ -5425,8 +5425,8 @@ exports[`test/node.js TAP testing with dep tree without meta > move meta to top
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -5723,8 +5723,8 @@ exports[`test/node.js TAP testing with dep tree without meta > move new meta to
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -5995,10 +5995,10 @@ exports[`test/node.js TAP testing with dep tree without meta > move new meta to
"optional" => Edge {},
"overlap" => Edge {},
"optMissing" => Edge {},
"dev" => Edge {},
"prod" => Edge {},
"bundled" => Edge {},
"missing" => Edge {},
"dev" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand All @@ -6016,8 +6016,8 @@ exports[`test/node.js TAP testing with dep tree without meta > move new meta to
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -6384,8 +6384,8 @@ exports[`test/node.js TAP testing with dep tree without meta > move new meta to
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down Expand Up @@ -6656,10 +6656,10 @@ exports[`test/node.js TAP testing with dep tree without meta > move new meta to
"optional" => Edge {},
"overlap" => Edge {},
"optMissing" => Edge {},
"dev" => Edge {},
"prod" => Edge {},
"bundled" => Edge {},
"missing" => Edge {},
"dev" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand All @@ -6677,8 +6677,8 @@ exports[`test/node.js TAP testing with dep tree without meta > move new meta to
Edge {},
},
"edgesOut": Map {
"meta" => Edge {},
"peer" => Edge {},
"meta" => Edge {},
},
"errors": Array [],
"extraneous": true,
Expand Down
14 changes: 14 additions & 0 deletions test/node.js
View file
Expand Up @@ -2181,3 +2181,17 @@ t.test('globaTop set for children of global link root target', async t => {
})
t.equal(gtop.globalTop, true)
})

t.test('prefer peer over prod', async t => {
const n = new Node({
pkg: {
dependencies: {
foo: '1.x',
},
peerDependencies: {
foo: '1.x',
},
},
})
t.equal(n.edgesOut.get('foo').type, 'peer', 'prefer peer over prod dep')
})

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