Publish Canary

- @vercel/build-utils@2.6.1-canary.2
 - vercel@21.0.2-canary.3
 - @vercel/client@9.0.5-canary.2
 - @vercel/next@2.7.7-canary.0
 - @vercel/static-build@0.18.1-canary.0

packages/now-build-utils/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@vercel/build-utils",
-  "version": "2.6.1-canary.1",
+  "version": "2.6.1-canary.2",
   "license": "MIT",
   "main": "./dist/index.js",
   "types": "./dist/index.d.js",

packages/now-build-utils/src/fs/run-user-scripts.ts

@@ -292,6 +292,11 @@ export async function runNpmInstall(
     opts.prettyCommand = 'yarn install';
     command = 'yarn';
     commandArgs = ['install', ...args];
+
+    // Yarn v2 PnP mode may be activated, so force "node-modules" linker style
+    if (!env.YARN_NODE_LINKER) {
+      env.YARN_NODE_LINKER = 'node-modules';
+    }
   }
 
   if (process.env.NPM_ONLY_PRODUCTION) {
@@ -388,10 +393,17 @@ export async function runPackageJsonScript(
       prettyCommand,
     });
   } else {
+    // Yarn v2 PnP mode may be activated, so force "node-modules" linker style
+    const env: typeof process.env = { ...spawnOpts?.env };
+    if (!env.YARN_NODE_LINKER) {
+      env.YARN_NODE_LINKER = 'node-modules';
+    }
+
     const prettyCommand = `yarn run ${scriptName}`;
     console.log(`Running "${prettyCommand}"`);
     await spawnAsync('yarn', ['run', scriptName], {
       ...spawnOpts,
+      env,
       cwd: destPath,
       prettyCommand,
     });

packages/now-build-utils/test/fixtures/19-yarn-v2/api/index.js

@@ -0,0 +1,5 @@
+const { camelCase } = require('camel-case');
+
+module.exports = (req, res) => {
+  res.end(camelCase('camel-case module is working'));
+};

packages/now-build-utils/test/fixtures/19-yarn-v2/now.json

@@ -1,5 +0,0 @@
-{
-  "version": 2,
-  "builds": [{ "src": "package.json", "use": "@vercel/static-build" }],
-  "probes": [{ "path": "/", "mustContain": "Svelte app" }]
-}

packages/now-build-utils/test/fixtures/19-yarn-v2/package.json

@@ -16,6 +16,7 @@
     "svelte": "^3.0.0"
   },
   "dependencies": {
+    "camel-case": "^4.1.2",
     "sirv-cli": "^0.4.4"
   }
 }

packages/now-build-utils/test/fixtures/19-yarn-v2/vercel.json

@@ -0,0 +1,11 @@
+{
+  "version": 2,
+  "builds": [
+    { "src": "package.json", "use": "@vercel/static-build" },
+    { "src": "api/index.js", "use": "@vercel/node" }
+  ],
+  "probes": [
+    { "path": "/", "mustContain": "Svelte app" },
+    { "path": "/api", "mustContain": "camelCaseModuleIsWorking" }
+  ]
+}

packages/now-build-utils/test/fixtures/19-yarn-v2/yarn.lock

@@ -270,6 +270,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"camel-case@npm:^4.1.2":
+  version: 4.1.2
+  resolution: "camel-case@npm:4.1.2"
+  dependencies:
+    pascal-case: ^3.1.2
+    tslib: ^2.0.3
+  checksum: 3/0b8dcfb424c9497e45984b88ef005c66bdf8e877e36365aedfc3cf73182684fde5a14cf2c526579c0351a5f27dc39a00f1edecc25d43606075fea948c504e37f
+  languageName: node
+  linkType: hard
+
 "caseless@npm:~0.12.0":
   version: 0.12.0
   resolution: "caseless@npm:0.12.0"
@@ -850,6 +860,15 @@ fsevents@~2.1.2:
   languageName: node
   linkType: hard
 
+"lower-case@npm:^2.0.2":
+  version: 2.0.2
+  resolution: "lower-case@npm:2.0.2"
+  dependencies:
+    tslib: ^2.0.3
+  checksum: 3/aabaca9cef65f7564a1005b625664527e4d169e363101e65773f8f6ff2fdcf09884a3bc02990cd7a62cf05f3538114af25ee7bef553f1ca3208c8a77ac75cbfa
+  languageName: node
+  linkType: hard
+
 "magic-string@npm:^0.25.2":
   version: 0.25.7
   resolution: "magic-string@npm:0.25.7"
@@ -944,6 +963,16 @@ fsevents@~2.1.2:
   languageName: node
   linkType: hard
 
+"no-case@npm:^3.0.4":
+  version: 3.0.4
+  resolution: "no-case@npm:3.0.4"
+  dependencies:
+    lower-case: ^2.0.2
+    tslib: ^2.0.3
+  checksum: 3/84db4909caec37504c6655f995a004067f8733be8cd8d849f1578661b60a1685e086325fa4e1a5e8ce94e7416c1d0f037e2a00f635a14457183de80ab4fc7612
+  languageName: node
+  linkType: hard
+
 "node-gyp@npm:latest":
   version: 6.1.0
   resolution: "node-gyp@npm:6.1.0"
@@ -1057,6 +1086,16 @@ fsevents@~2.1.2:
   languageName: node
   linkType: hard
 
+"pascal-case@npm:^3.1.2":
+  version: 3.1.2
+  resolution: "pascal-case@npm:3.1.2"
+  dependencies:
+    no-case: ^3.0.4
+    tslib: ^2.0.3
+  checksum: 3/31708cecab221482edc81e2bd9b9d8282d72d4f1443b31f39725aa23768c5e42d93c4c014f1bc90f7f074e2a70d5091e4892ea370e550affc9ccf1d33c900bcd
+  languageName: node
+  linkType: hard
+
 "path-is-absolute@npm:^1.0.0":
   version: 1.0.1
   resolution: "path-is-absolute@npm:1.0.1"
@@ -1447,6 +1486,7 @@ fsevents@~2.1.2:
   dependencies:
     "@rollup/plugin-commonjs": ^12.0.0
     "@rollup/plugin-node-resolve": ^8.0.0
+    camel-case: ^4.1.2
     rollup: ^2.3.4
     rollup-plugin-livereload: ^1.0.0
     rollup-plugin-svelte: ^5.0.3
@@ -1517,6 +1557,13 @@ fsevents@~2.1.2:
   languageName: node
   linkType: hard
 
+"tslib@npm:^2.0.3":
+  version: 2.0.3
+  resolution: "tslib@npm:2.0.3"
+  checksum: 3/447bfca5deaa157806c3f77eaba74d05dd0b38b014e47ce79d98b5c77ce7d91b00a687ba13ca1b5a74d35ca1098ac7a072c0a97fad06f0266612f2a03a6c8e8f
+  languageName: node
+  linkType: hard
+
 "tunnel-agent@npm:^0.6.0":
   version: 0.6.0
   resolution: "tunnel-agent@npm:0.6.0"

packages/now-cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "vercel",
-  "version": "21.0.2-canary.2",
+  "version": "21.0.2-canary.3",
   "preferGlobal": true,
   "license": "Apache-2.0",
   "description": "The command-line interface for Vercel",
@@ -61,7 +61,7 @@
     "node": ">= 10"
   },
   "dependencies": {
-    "@vercel/build-utils": "2.6.1-canary.1",
+    "@vercel/build-utils": "2.6.1-canary.2",
     "@vercel/go": "1.1.6",
     "@vercel/node": "1.8.6-canary.0",
     "@vercel/python": "1.2.3",

packages/now-client/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@vercel/client",
-  "version": "9.0.5-canary.1",
+  "version": "9.0.5-canary.2",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
   "homepage": "https://vercel.com",
@@ -37,7 +37,7 @@
     ]
   },
   "dependencies": {
-    "@vercel/build-utils": "2.6.1-canary.1",
+    "@vercel/build-utils": "2.6.1-canary.2",
     "@zeit/fetch": "5.2.0",
     "async-retry": "1.2.3",
     "async-sema": "3.0.0",

packages/now-next/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@vercel/next",
-  "version": "2.7.6",
+  "version": "2.7.7-canary.0",
   "license": "MIT",
   "main": "./dist/index",
   "homepage": "https://vercel.com/docs/runtimes#official-runtimes/next-js",

packages/now-next/src/index.ts

@@ -381,6 +381,14 @@ export async function build({
       console.log(`Running "install" command: \`${installCommand}\`...`);
       await execCommand(installCommand, {
         ...spawnOpts,
+
+        // Yarn v2 PnP mode may be activated, so force
+        // "node-modules" linker style
+        env: {
+          YARN_NODE_LINKER: 'node-modules',
+          ...spawnOpts.env,
+        },
+
         cwd: entryPath,
       });
     } else {
@@ -410,7 +418,7 @@ export async function build({
   }
 
   const memoryToConsume = Math.floor(os.totalmem() / 1024 ** 2) - 128;
-  const env: { [key: string]: string | undefined } = { ...spawnOpts.env };
+  const env: typeof process.env = { ...spawnOpts.env };
   env.NODE_OPTIONS = `--max_old_space_size=${memoryToConsume}`;
 
   if (buildCommand) {
@@ -418,6 +426,11 @@ export async function build({
     const nodeBinPath = await getNodeBinPath({ cwd: entryPath });
     env.PATH = `${nodeBinPath}${path.delimiter}${env.PATH}`;
 
+    // Yarn v2 PnP mode may be activated, so force "node-modules" linker style
+    if (!env.YARN_NODE_LINKER) {
+      env.YARN_NODE_LINKER = 'node-modules';
+    }
+
     debug(
       `Added "${nodeBinPath}" to PATH env because a build command was used.`
     );

packages/now-next/test/fixtures/32-custom-install-command/.yarnrc.yml

@@ -0,0 +1 @@
+yarnPath: ".yarn/releases/yarn-berry.cjs"

packages/now-static-build/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@vercel/static-build",
-  "version": "0.18.0",
+  "version": "0.18.1-canary.0",
   "license": "MIT",
   "main": "./dist/index",
   "homepage": "https://vercel.com/docs/build-step",

packages/now-static-build/src/index.ts

@@ -366,6 +366,14 @@ export async function build({
           console.log(`Running "install" command: \`${installCommand}\`...`);
           await execCommand(installCommand, {
             ...spawnOpts,
+
+            // Yarn v2 PnP mode may be activated, so force
+            // "node-modules" linker style
+            env: {
+              YARN_NODE_LINKER: 'node-modules',
+              ...spawnOpts.env,
+            },
+
             cwd: entrypointDir,
           });
         } else {
@@ -468,6 +476,14 @@ export async function build({
         typeof buildCommand === 'string'
           ? await execCommand(buildCommand, {
               ...spawnOpts,
+
+              // Yarn v2 PnP mode may be activated, so force
+              // "node-modules" linker style
+              env: {
+                YARN_NODE_LINKER: 'node-modules',
+                ...spawnOpts.env,
+              },
+
               cwd: entrypointDir,
             })
           : await runPackageJsonScript(