'use strict';
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var test = require('tape');
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var assert = require('assert');
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var traverse = require('../');
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var deepEqual = require('./lib/deep_equal');
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test('mutate', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4] };
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var res = traverse(obj).forEach(function (x) {
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if (typeof x === 'number' && x % 2 === 0) {
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this.update(x * 10);
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}
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});
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t.same(obj, res);
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t.same(obj, { a: 1, b: 20, c: [3, 40] });
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t.end();
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});
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test('mutateT', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4] };
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var res = traverse.forEach(obj, function (x) {
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if (typeof x === 'number' && x % 2 === 0) {
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this.update(x * 10);
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}
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});
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t.same(obj, res);
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t.same(obj, { a: 1, b: 20, c: [3, 40] });
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t.end();
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});
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test('map', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4] };
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var res = traverse(obj).map(function (x) {
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if (typeof x === 'number' && x % 2 === 0) {
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this.update(x * 10);
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}
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});
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t.same(obj, { a: 1, b: 2, c: [3, 4] });
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t.same(res, { a: 1, b: 20, c: [3, 40] });
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t.end();
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});
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test('mapT', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4] };
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var res = traverse.map(obj, function (x) {
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if (typeof x === 'number' && x % 2 === 0) {
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this.update(x * 10);
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}
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});
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t.same(obj, { a: 1, b: 2, c: [3, 4] });
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t.same(res, { a: 1, b: 20, c: [3, 40] });
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t.end();
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});
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test('clone', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4] };
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var res = traverse(obj).clone();
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t.same(obj, res);
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t.ok(obj !== res);
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obj.a += 1;
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t.same(res.a, 1);
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obj.c.push(5);
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t.same(res.c, [3, 4]);
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t.end();
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});
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test('cloneT', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4] };
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var res = traverse.clone(obj);
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t.same(obj, res);
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t.ok(obj !== res);
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obj.a += 1;
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t.same(res.a, 1);
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obj.c.push(5);
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t.same(res.c, [3, 4]);
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t.end();
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});
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test('reduce', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4] };
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var res = traverse(obj).reduce(function (acc, x) {
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if (this.isLeaf) { acc.push(x); }
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return acc;
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}, []);
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t.same(obj, { a: 1, b: 2, c: [3, 4] });
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t.same(res, [1, 2, 3, 4]);
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t.end();
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});
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test('reduceInit', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4] };
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var res = traverse(obj).reduce(function (acc) {
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if (this.isRoot) { assert.fail('got root'); }
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return acc;
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});
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t.same(obj, { a: 1, b: 2, c: [3, 4] });
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t.same(res, obj);
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t.end();
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});
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test('remove', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4] };
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traverse(obj).forEach(function (x) {
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if (this.isLeaf && x % 2 === 0) { this.remove(); }
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});
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t.same(obj, { a: 1, c: [3] });
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t.end();
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});
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test('removeNoStop', function (t) {
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var obj = { a: 1, b: 2, c: { d: 3, e: 4 }, f: 5 };
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var keys = [];
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traverse(obj).forEach(function () {
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keys.push(this.key);
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if (this.key === 'c') { this.remove(); }
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});
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t.same(keys, [undefined, 'a', 'b', 'c', 'd', 'e', 'f']);
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t.end();
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});
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test('removeStop', function (t) {
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var obj = { a: 1, b: 2, c: { d: 3, e: 4 }, f: 5 };
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var keys = [];
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traverse(obj).forEach(function () {
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keys.push(this.key);
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if (this.key === 'c') { this.remove(true); }
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});
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t.same(keys, [undefined, 'a', 'b', 'c', 'f']);
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t.end();
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});
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test('removeMap', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4] };
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var res = traverse(obj).map(function (x) {
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if (this.isLeaf && x % 2 === 0) { this.remove(); }
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});
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t.same(obj, { a: 1, b: 2, c: [3, 4] });
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t.same(res, { a: 1, c: [3] });
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t.end();
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});
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test('delete', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4] };
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traverse(obj).forEach(function (x) {
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if (this.isLeaf && x % 2 === 0) { this.delete(); }
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});
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t.ok(!deepEqual(obj, { a: 1, c: [3, undefined] }));
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t.ok(deepEqual(obj, { a: 1, c: [3] }));
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t.ok(!deepEqual(obj, { a: 1, c: [3, null] }));
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t.end();
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});
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test('deleteNoStop', function (t) {
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var obj = { a: 1, b: 2, c: { d: 3, e: 4 } };
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var keys = [];
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traverse(obj).forEach(function () {
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keys.push(this.key);
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if (this.key === 'c') { this.delete(); }
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});
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t.same(keys, [undefined, 'a', 'b', 'c', 'd', 'e']);
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t.end();
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});
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test('deleteStop', function (t) {
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var obj = { a: 1, b: 2, c: { d: 3, e: 4 } };
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var keys = [];
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traverse(obj).forEach(function () {
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keys.push(this.key);
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if (this.key === 'c') { this.delete(true); }
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});
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t.same(keys, [undefined, 'a', 'b', 'c']);
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t.end();
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});
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test('deleteRedux', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4, 5] };
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traverse(obj).forEach(function (x) {
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if (this.isLeaf && x % 2 === 0) { this.delete(); }
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});
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t.ok(!deepEqual(obj, { a: 1, c: [3, undefined, 5] }));
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t.ok(deepEqual(obj, { a: 1, c: [3,, 5] }));
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t.ok(!deepEqual(obj, { a: 1, c: [3, null, 5] }));
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t.ok(!deepEqual(obj, { a: 1, c: [3, 5] }));
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t.end();
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});
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test('deleteMap', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4] };
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var res = traverse(obj).map(function (x) {
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if (this.isLeaf && x % 2 === 0) { this.delete(); }
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});
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t.ok(deepEqual(
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obj,
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{ a: 1, b: 2, c: [3, 4] }
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));
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var xs = [3, 4];
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delete xs[1];
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t.ok(deepEqual(res, { a: 1, c: xs }));
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t.ok(deepEqual(res, { a: 1, c: [3,,] })); // eslint-disable-line comma-spacing
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t.ok(deepEqual(res, { a: 1, c: [3] }));
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t.end();
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});
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test('deleteMapRedux', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4, 5] };
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var res = traverse(obj).map(function (x) {
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if (this.isLeaf && x % 2 === 0) { this.delete(); }
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});
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t.ok(deepEqual(
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obj,
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{ a: 1, b: 2, c: [3, 4, 5] }
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));
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var xs = [3, 4, 5];
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delete xs[1];
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t.ok(deepEqual(res, { a: 1, c: xs }));
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t.ok(!deepEqual(res, { a: 1, c: [3, 5] }));
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t.ok(deepEqual(res, { a: 1, c: [3,, 5] }));
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t.end();
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});
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test('objectToString', function (t) {
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var obj = { a: 1, b: 2, c: [3, 4] };
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var res = traverse(obj).forEach(function (x) {
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if (typeof x === 'object' && !this.isRoot) {
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this.update(JSON.stringify(x));
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}
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});
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t.same(obj, res);
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t.same(obj, { a: 1, b: 2, c: '[3,4]' });
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t.end();
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});
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test('stringToObject', function (t) {
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var obj = { a: 1, b: 2, c: '[3,4]' };
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var res = traverse(obj).forEach(function (x) {
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if (typeof x === 'string') {
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this.update(JSON.parse(x));
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} else if (typeof x === 'number' && x % 2 === 0) {
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this.update(x * 10);
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}
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});
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t.deepEqual(obj, res);
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t.deepEqual(obj, { a: 1, b: 20, c: [3, 40] });
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t.end();
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});
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