[core] Set required yarn version

Before 1.4.0 bin commands could not be found when executed from a workspace. See yarnpkg/yarn#4848
mui · Sep 13, 2018 · e6260e3 · e6260e3
1 parent c683d68
commit e6260e3
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Showing 6 changed files with 12 additions and 6 deletions.
diff --git a/package.json b/package.json
@@ -175,7 +175,8 @@
  "instrument": false
  },
  "engines": {
- "node": ">=8.0.0"
+ "node": ">=8.0.0",
+ "yarn": "^1.4.0"
  },
  "workspaces": [
  "packages/*"

diff --git a/packages/material-ui-codemod/package.json b/packages/material-ui-codemod/package.json
@@ -34,6 +34,7 @@
  "access": "public"
  },
  "engines": {
- "node": ">=6.0.0"
+ "node": ">=6.0.0",
+ "yarn": "^1.4.0"
  }
 }
diff --git a/packages/material-ui-docs/package.json b/packages/material-ui-docs/package.json
@@ -45,6 +45,7 @@
  "access": "public"
  },
  "engines": {
- "node": ">=6.0.0"
+ "node": ">=6.0.0",
+ "yarn": "^1.4.0"
  }
 }
diff --git a/packages/material-ui-icons/package.json b/packages/material-ui-icons/package.json
@@ -57,6 +57,7 @@
  "access": "public"
  },
  "engines": {
- "node": ">=6.0.0"
+ "node": ">=6.0.0",
+ "yarn": "^1.4.0"
  }
 }
diff --git a/packages/material-ui-lab/package.json b/packages/material-ui-lab/package.json
@@ -49,6 +49,7 @@
  "access": "public"
  },
  "engines": {
- "node": ">=6.0.0"
+ "node": ">=6.0.0",
+ "yarn": "^1.4.0"
  }
 }
diff --git a/packages/material-ui/package.json b/packages/material-ui/package.json
@@ -67,6 +67,7 @@
  "access": "public"
  },
  "engines": {
- "node": ">=6.0.0"
+ "node": ">=6.0.0",
+ "yarn": "^1.4.0"
  }
 }