[dev] - Use yarn and jest for package management and testing, respect…

…ively. Update all devDependencies and integrate.

.gitignore

@@ -3,3 +3,4 @@ reports
 npm-debug.log
 coverage
 lib
+.DS_Store

.npmignore

@@ -3,3 +3,4 @@ reports
 npm-debug.log
 coverage
 .gitignore
+.DS_Store

.travis.yml

@@ -1,8 +1,5 @@
 language: node_js
 node_js:
-  - 0.10
-  - 0.12
-  - iojs
   - 4
   - 5
   - 6

tests/src/getPropLiteralValue.js → __tests__/src/getPropLiteralValue-test.js

@@ -1,4 +1,5 @@
 /* eslint-env mocha */
+/* eslint no-template-curly-in-string: 0 */
 import assert from 'assert';
 import { extractProp } from '../helper';
 import { getLiteralPropValue } from '../../src/getPropValue';

tests/src/getPropValue.js → __tests__/src/getPropValue-test.js

@@ -1,4 +1,5 @@
 /* eslint-env mocha */
+/* eslint no-template-curly-in-string: 0 */
 import assert from 'assert';
 import { extractProp } from '../helper';
 import getPropValue from '../../src/getPropValue';

tests/src/index.js → __tests__/src/index-test.js

@@ -1,8 +1,8 @@
 /* eslint-env mocha */
-import assert from 'assert';
-import core from '../../src/index';
 import fs from 'fs';
 import path from 'path';
+import assert from 'assert';
+import core from '../../src/index';
 
 const src = fs.readdirSync(path.resolve(__dirname, '../../src'))
   .filter(f => f.indexOf('.js') >= 0)
@@ -16,18 +16,18 @@ describe('main export', () => {
     assert.equal(expected, actual);
   });
 
-  src.filter(f => f !== 'index').forEach(f => {
+  src.filter(f => f !== 'index').forEach((f) => {
     it(`should export ${f}`, () => {
       assert.equal(
         core[f],
-        require(path.join('../../src/', f)).default // eslint-disable-line global-require
+        require(path.join('../../src/', f)).default // eslint-disable-line
       );
     });
 
     it(`should export ${f} from root`, () => {
       const file = `${f}.js`;
       const expected = true;
-      const actual = fs.statSync(path.join(__dirname, file)).isFile();
+      const actual = fs.statSync(path.join(path.resolve('.'), file)).isFile();
 
       assert.equal(expected, actual);
     });

package.json

@@ -6,27 +6,28 @@
   "scripts": {
     "build": "rimraf lib && babel src --out-dir lib",
     "prepublish": "npm run lint && npm run test && npm run build",
-    "coveralls": "cat ./reports/coverage/lcov.info | coveralls",
+    "coveralls": "cat ./reports/lcov.info | coveralls",
     "lint": "eslint  --config .eslintrc .",
+    "lint:fix": "npm run lint -- --fix",
     "pretest": "npm run lint",
-    "test": "istanbul cover -x '**/lib/**' --dir reports/coverage node_modules/mocha/bin/_mocha tests/**/*.js -- --compilers js:babel-core/register --reporter dot"
+    "test": "jest --coverage"
   },
   "devDependencies": {
-    "acorn-jsx": "^3.0.1",
-    "babel-cli": "^6.6.0",
-    "babel-core": "^6.6.0",
-    "babel-eslint": "^6.0.0",
-    "babel-preset-es2015": "^6.6.0",
+    "babel-cli": "^6.14.0",
+    "babel-core": "^6.14.0",
+    "babel-eslint": "^7.0.0",
+    "babel-jest": "^16.0.0",
+    "babel-polyfill": "^6.16.0",
+    "babel-preset-es2015": "^6.14.0",
     "coveralls": "^2.11.8",
-    "eslint": "^2.11.1",
-    "eslint-config-airbnb-base": "^3.0.1",
-    "eslint-plugin-import": "^1.8.1",
-    "istanbul": "^1.0.0-alpha.2",
-    "mocha": "^2.4.5",
+    "eslint": "^3.0.0",
+    "eslint-config-airbnb-base": "^8.0.0",
+    "eslint-plugin-import": "^1.16.0",
+    "jest": "^16.0.1",
     "rimraf": "^2.5.2"
   },
   "engines": {
-    "node": ">=0.10.0"
+    "node": ">=4.0"
   },
   "keywords": [
     "jsx",
@@ -41,6 +42,14 @@
   },
   "license": "MIT",
   "dependencies": {
+    "acorn-jsx": "^3.0.1",
     "object-assign": "^4.1.0"
+  },
+  "jest": {
+    "coverageReporters": [
+      "lcov"
+    ],
+    "coverageDirectory": "reports",
+    "testPathIgnorePatterns": ["/node_modules/", "helper.js"]
   }
 }

src/getProp.js

@@ -10,10 +10,10 @@ const DEFAULT_OPTIONS = {
  *
  */
 export default function getProp(props = [], prop = '', options = DEFAULT_OPTIONS) {
-  let nodeProp = undefined;
+  let nodeProp;
   const propToFind = options.ignoreCase ? prop.toUpperCase() : prop;
 
-  const hasProp = props.some(attribute => {
+  const hasProp = props.some((attribute) => {
     // If the props contain a spread prop, then skip.
     if (attribute.type === 'JSXSpreadAttribute') {
       return false;

src/hasProp.js

@@ -12,7 +12,7 @@ const DEFAULT_OPTIONS = {
 export default function hasProp(props = [], prop = '', options = DEFAULT_OPTIONS) {
   const propToCheck = options.ignoreCase ? prop.toUpperCase() : prop;
 
-  return props.some(attribute => {
+  return props.some((attribute) => {
     // If the props contain a spread prop, then refer to strict param.
     if (attribute.type === 'JSXSpreadAttribute') {
       return !options.spreadStrict;

src/values/expressions/BinaryExpression.js

@@ -32,11 +32,11 @@ export default function extractValueFromBinaryExpression(value) {
     case '>=':
       return leftVal >= rightVal;
     case '<<':
-      return leftVal << rightVal;
+      return leftVal << rightVal; // eslint-disable-line no-bitwise
     case '>>':
-      return leftVal >> rightVal;
+      return leftVal >> rightVal; // eslint-disable-line no-bitwise
     case '>>>':
-      return leftVal >>> rightVal;
+      return leftVal >>> rightVal; // eslint-disable-line no-bitwise
     case '+':
       return leftVal + rightVal;
     case '-':
@@ -48,11 +48,11 @@ export default function extractValueFromBinaryExpression(value) {
     case '%':
       return leftVal % rightVal;
     case '|':
-      return leftVal | rightVal;
+      return leftVal | rightVal; // eslint-disable-line no-bitwise
     case '^':
-      return leftVal ^ rightVal;
+      return leftVal ^ rightVal; // eslint-disable-line no-bitwise
     case '&':
-      return leftVal & rightVal;
+      return leftVal & rightVal; // eslint-disable-line no-bitwise
     case 'in':
       try {
         return leftVal in rightVal;

src/values/expressions/Identifier.js

@@ -20,7 +20,7 @@ const JS_RESERVED = {
 export default function extractValueFromIdentifier(value) {
   const { name } = value;
 
-  if (JS_RESERVED.hasOwnProperty(name)) {
+  if (Object.hasOwnProperty.call(JS_RESERVED, name)) {
     return JS_RESERVED[name];
   }
 

src/values/expressions/ObjectExpression.js

@@ -1,5 +1,5 @@
-import getValue from './index';
 import assign from 'object-assign';
+import getValue from './index';
 
 /**
  * Extractor function for an ObjectExpression type value node.

src/values/expressions/UnaryExpression.js

@@ -19,7 +19,7 @@ export default function extractValueFromUnaryExpression(value) {
     case '!':
       return !getValue(argument);
     case '~':
-      return ~getValue(argument);
+      return ~getValue(argument); // eslint-disable-line no-bitwise
     case 'delete':
       // I believe delete statements evaluate to true.
       return true;

src/values/expressions/UpdateExpression.js

@@ -15,9 +15,9 @@ export default function extractValueFromUpdateExpression(value) {
 
   switch (operator) {
     case '++':
-      return prefix ? ++val : val++;
+      return prefix ? ++val : val++; // eslint-disable-line no-plusplus
     case '--':
-      return prefix ? --val : val--;
+      return prefix ? --val : val--; // eslint-disable-line no-plusplus
     default:
       return undefined;
   }

src/values/expressions/index.js

@@ -41,14 +41,14 @@ const noop = () => null;
 
 // Composition map of types to their extractor functions to handle literals.
 const LITERAL_TYPES = assign({}, TYPES, {
-  Literal: value => {
+  Literal: (value) => {
     const extractedVal = TYPES.Literal.call(undefined, value);
     const isNull = extractedVal === null;
     // This will be convention for attributes that have null
     // value explicitly defined (<div prop={null} /> maps to 'null').
     return isNull ? 'null' : extractedVal;
   },
-  Identifier: value => {
+  Identifier: (value) => {
     const isUndefined = TYPES.Identifier.call(undefined, value) === undefined;
     return isUndefined ? undefined : null;
   },
@@ -58,11 +58,11 @@ const LITERAL_TYPES = assign({}, TYPES, {
   LogicalExpression: noop,
   MemberExpression: noop,
   CallExpression: noop,
-  UnaryExpression: value => {
+  UnaryExpression: (value) => {
     const extractedVal = TYPES.UnaryExpression.call(undefined, value);
     return extractedVal === undefined ? null : extractedVal;
   },
-  UpdateExpression: value => {
+  UpdateExpression: (value) => {
     const extractedVal = TYPES.UpdateExpression.call(undefined, value);
     return extractedVal === undefined ? null : extractedVal;
   },