use core-assert for node v0.12.0 compatibility

es5/test/async.js

@@ -2,7 +2,7 @@
 
 var TestRunner = require('test-runner');
 var jsdoc2md = require('../../');
-var a = require('assert');
+var a = require('core-assert');
 var fs = require('fs');
 try {
   fs.mkdirSync('tmp-test');

es5/test/cli.js

@@ -3,7 +3,7 @@
 var TestRunner = require('test-runner');
 var fs = require('fs');
 var spawn = require('child_process').spawn;
-var a = require('assert');
+var a = require('core-assert');
 
 var runner = new TestRunner();
 var inputPath = 'src/test/fixture/ignore.js';

es5/test/sync.js

@@ -4,7 +4,7 @@ if (!require('child_process').spawnSync) process.exit(0);
 
 var TestRunner = require('test-runner');
 var jsdoc2md = require('../../');
-var a = require('assert');
+var a = require('core-assert');
 var fs = require('fs');
 
 try {

package.json

@@ -38,6 +38,7 @@
   },
   "devDependencies": {
     "babel-preset-es2015": "^6.18.0",
+    "core-assert": "^0.2.1",
     "coveralls": "^2.11.15",
     "test-runner": "^0.3.0"
   },

src/test/async.js

@@ -1,7 +1,7 @@
 'use strict'
 const TestRunner = require('test-runner')
 const jsdoc2md = require('../../')
-const a = require('assert')
+const a = require('core-assert')
 const fs = require('fs')
 try {
   fs.mkdirSync('tmp-test')

src/test/cli.js

@@ -2,7 +2,7 @@
 const TestRunner = require('test-runner')
 const fs = require('fs')
 const spawn = require('child_process').spawn
-const a = require('assert')
+const a = require('core-assert')
 
 const runner = new TestRunner()
 const inputPath = 'src/test/fixture/ignore.js'

src/test/sync.js

@@ -4,7 +4,7 @@ if (!require('child_process').spawnSync) process.exit(0)
 
 const TestRunner = require('test-runner')
 const jsdoc2md = require('../../')
-const a = require('assert')
+const a = require('core-assert')
 const fs = require('fs')
 
 try {