ci: set up for circle ci and the latest semantic-release

.circleci/config.yml

@@ -0,0 +1,33 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/node:latest
+
+    working_directory: ~/repo
+
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "package.json" }}
+            # fallback to using the latest cache if no exact match is found
+            - v1-dependencies-
+
+      - run: yarn config set registry "https://registry.npmjs.org/"
+      - run: echo "//registry.npmjs.org/:_authToken=$NPM_TOKEN" > ~/repo/.npmrc
+      - run: echo "registry=https://registry.npmjs.org/" >> ~/repo/.npmrc
+
+      - run:
+          name: yarn install
+          command: yarn --ignore-scripts
+      - save_cache:
+          paths:
+            - node_modules
+          key: v1-dependencies-{{ checksum "package.json" }}
+      - run:
+          name: build
+          command: yarn run prepublish
+      - run:
+          name: release
+          command: yarn run semantic-release || true

package.json

@@ -19,7 +19,7 @@
     "prepush": "npm test",
     "prepublish": "npm run lint && flow && npm test && npm run build",
     "open:coverage": "open coverage/lcov-report/index.html",
-    "semantic-release": "semantic-release pre && npm publish && semantic-release post"
+    "semantic-release": "semantic-release"
   },
   "config": {
     "mocha": "--compilers js:babel-core/register ./test/**/*.js",
@@ -65,6 +65,7 @@
     "babel-runtime": "^6.23.0",
     "chai": "^3.5.0",
     "codecov": "^2.3.0",
+    "condition-circle": "^2.0.1",
     "copy": "^0.3.0",
     "eslint": "^3.15.0",
     "eslint-plugin-flowtype": "^2.30.0",
@@ -77,6 +78,12 @@
     "mocha": "^3.2.0",
     "nyc": "^10.1.2",
     "rimraf": "^2.6.0",
-    "semantic-release": "^8.2.0"
+    "semantic-release": "^15.10.7"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "release": {
+    "verifyConditions": "condition-circle"
   }
 }