init

node_modules/deps-sort/test/dedupe.js

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+var sort = require('../');
+var test = require('tap').test;
+var through = require('through2');
+
+test('dedupe', function (t) {
+    t.plan(1);
+    var s = sort({ dedupe: true });
+    var rows = [];
+    function write (row, enc, next) { rows.push(row); next() }
+    function end () {
+        t.deepEqual(rows, [
+            { id: '/bar.js', deps: {}, source: 'TWO' },
+            { id: '/foo.js', deps: {}, source: 'TWO', dedupe: '/bar.js', sameDeps: true },
+            {
+                id: '/main.js',
+                deps: { './foo': '/foo.js', './bar': '/bar.js' },
+                source: 'ONE'
+            }
+        ]);
+    }
+    s.pipe(through.obj(write, end));
+    
+    s.write({
+        id: '/main.js',
+        deps: { './foo': '/foo.js', './bar': '/bar.js' },
+        source: 'ONE'
+    });
+    s.write({
+        id: '/foo.js',
+        deps: {},
+        source: 'TWO'
+    });
+    s.write({
+        id: '/bar.js',
+        deps: {},
+        source: 'TWO'
+    });
+    s.end();
+});