08-27-周三_17-09-29

node_modules/traverse/test/interface.js

@@ -0,0 +1,46 @@
+'use strict';
+
+var test = require('tape');
+var traverse = require('../');
+
+test('interface map', function (t) {
+	var obj = { a: [5, 6, 7], b: { c: [8] } };
+
+	t.same(
+		traverse.paths(obj)
+			.sort()
+			.map(function (path) { return path.join('/'); })
+			.slice(1)
+			.join(' ')
+		,
+		'a a/0 a/1 a/2 b b/c b/c/0'
+	);
+
+	t.same(
+		traverse.nodes(obj),
+		[
+			{ a: [5, 6, 7], b: { c: [8] } },
+			[5, 6, 7], 5, 6, 7,
+			{ c: [8] }, [8], 8,
+		]
+	);
+
+	t.same(
+		traverse.map(obj, function (node) {
+			if (typeof node === 'number') {
+				return node + 1000;
+			}
+			if (Array.isArray(node)) {
+				return node.join(' ');
+			}
+			return void undefined;
+		}),
+		{ a: '5 6 7', b: { c: '8' } }
+	);
+
+	var nodes = 0;
+	traverse.forEach(obj, function () { nodes += 1; });
+	t.equal(nodes, 8);
+
+	t.end();
+});