You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
203 lines
5.2 KiB
203 lines
5.2 KiB
var assert = require('assert'); |
|
var Traverse = require('traverse'); |
|
|
|
exports.mutate = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4 ] }; |
|
var res = Traverse(obj).forEach(function (x) { |
|
if (typeof x === 'number' && x % 2 === 0) { |
|
this.update(x * 10); |
|
} |
|
}); |
|
assert.deepEqual(obj, res); |
|
assert.deepEqual(obj, { a : 1, b : 20, c : [ 3, 40 ] }); |
|
}; |
|
|
|
exports.mutateT = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4 ] }; |
|
var res = Traverse.forEach(obj, function (x) { |
|
if (typeof x === 'number' && x % 2 === 0) { |
|
this.update(x * 10); |
|
} |
|
}); |
|
assert.deepEqual(obj, res); |
|
assert.deepEqual(obj, { a : 1, b : 20, c : [ 3, 40 ] }); |
|
}; |
|
|
|
exports.map = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4 ] }; |
|
var res = Traverse(obj).map(function (x) { |
|
if (typeof x === 'number' && x % 2 === 0) { |
|
this.update(x * 10); |
|
} |
|
}); |
|
assert.deepEqual(obj, { a : 1, b : 2, c : [ 3, 4 ] }); |
|
assert.deepEqual(res, { a : 1, b : 20, c : [ 3, 40 ] }); |
|
}; |
|
|
|
exports.mapT = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4 ] }; |
|
var res = Traverse.map(obj, function (x) { |
|
if (typeof x === 'number' && x % 2 === 0) { |
|
this.update(x * 10); |
|
} |
|
}); |
|
assert.deepEqual(obj, { a : 1, b : 2, c : [ 3, 4 ] }); |
|
assert.deepEqual(res, { a : 1, b : 20, c : [ 3, 40 ] }); |
|
}; |
|
|
|
exports.clone = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4 ] }; |
|
var res = Traverse(obj).clone(); |
|
assert.deepEqual(obj, res); |
|
assert.ok(obj !== res); |
|
obj.a ++; |
|
assert.deepEqual(res.a, 1); |
|
obj.c.push(5); |
|
assert.deepEqual(res.c, [ 3, 4 ]); |
|
}; |
|
|
|
exports.cloneT = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4 ] }; |
|
var res = Traverse.clone(obj); |
|
assert.deepEqual(obj, res); |
|
assert.ok(obj !== res); |
|
obj.a ++; |
|
assert.deepEqual(res.a, 1); |
|
obj.c.push(5); |
|
assert.deepEqual(res.c, [ 3, 4 ]); |
|
}; |
|
|
|
exports.reduce = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4 ] }; |
|
var res = Traverse(obj).reduce(function (acc, x) { |
|
if (this.isLeaf) acc.push(x); |
|
return acc; |
|
}, []); |
|
assert.deepEqual(obj, { a : 1, b : 2, c : [ 3, 4 ] }); |
|
assert.deepEqual(res, [ 1, 2, 3, 4 ]); |
|
}; |
|
|
|
exports.reduceInit = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4 ] }; |
|
var res = Traverse(obj).reduce(function (acc, x) { |
|
if (this.isRoot) assert.fail('got root'); |
|
return acc; |
|
}); |
|
assert.deepEqual(obj, { a : 1, b : 2, c : [ 3, 4 ] }); |
|
assert.deepEqual(res, obj); |
|
}; |
|
|
|
exports.remove = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4 ] }; |
|
Traverse(obj).forEach(function (x) { |
|
if (this.isLeaf && x % 2 == 0) this.remove(); |
|
}); |
|
|
|
assert.deepEqual(obj, { a : 1, c : [ 3 ] }); |
|
}; |
|
|
|
exports.removeMap = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4 ] }; |
|
var res = Traverse(obj).map(function (x) { |
|
if (this.isLeaf && x % 2 == 0) this.remove(); |
|
}); |
|
|
|
assert.deepEqual(obj, { a : 1, b : 2, c : [ 3, 4 ] }); |
|
assert.deepEqual(res, { a : 1, c : [ 3 ] }); |
|
}; |
|
|
|
exports.delete = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4 ] }; |
|
Traverse(obj).forEach(function (x) { |
|
if (this.isLeaf && x % 2 == 0) this.delete(); |
|
}); |
|
|
|
assert.ok(!Traverse.deepEqual( |
|
obj, { a : 1, c : [ 3, undefined ] } |
|
)); |
|
|
|
assert.ok(Traverse.deepEqual( |
|
obj, { a : 1, c : [ 3 ] } |
|
)); |
|
|
|
assert.ok(!Traverse.deepEqual( |
|
obj, { a : 1, c : [ 3, null ] } |
|
)); |
|
}; |
|
|
|
exports.deleteRedux = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4, 5 ] }; |
|
Traverse(obj).forEach(function (x) { |
|
if (this.isLeaf && x % 2 == 0) this.delete(); |
|
}); |
|
|
|
assert.ok(!Traverse.deepEqual( |
|
obj, { a : 1, c : [ 3, undefined, 5 ] } |
|
)); |
|
|
|
assert.ok(Traverse.deepEqual( |
|
obj, { a : 1, c : [ 3 ,, 5 ] } |
|
)); |
|
|
|
assert.ok(!Traverse.deepEqual( |
|
obj, { a : 1, c : [ 3, null, 5 ] } |
|
)); |
|
|
|
assert.ok(!Traverse.deepEqual( |
|
obj, { a : 1, c : [ 3, 5 ] } |
|
)); |
|
}; |
|
|
|
exports.deleteMap = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4 ] }; |
|
var res = Traverse(obj).map(function (x) { |
|
if (this.isLeaf && x % 2 == 0) this.delete(); |
|
}); |
|
|
|
assert.ok(Traverse.deepEqual( |
|
obj, |
|
{ a : 1, b : 2, c : [ 3, 4 ] } |
|
)); |
|
|
|
var xs = [ 3, 4 ]; |
|
delete xs[1]; |
|
|
|
assert.ok(Traverse.deepEqual( |
|
res, { a : 1, c : xs } |
|
)); |
|
|
|
assert.ok(Traverse.deepEqual( |
|
res, { a : 1, c : [ 3, ] } |
|
)); |
|
|
|
assert.ok(Traverse.deepEqual( |
|
res, { a : 1, c : [ 3 ] } |
|
)); |
|
}; |
|
|
|
exports.deleteMapRedux = function () { |
|
var obj = { a : 1, b : 2, c : [ 3, 4, 5 ] }; |
|
var res = Traverse(obj).map(function (x) { |
|
if (this.isLeaf && x % 2 == 0) this.delete(); |
|
}); |
|
|
|
assert.ok(Traverse.deepEqual( |
|
obj, |
|
{ a : 1, b : 2, c : [ 3, 4, 5 ] } |
|
)); |
|
|
|
var xs = [ 3, 4, 5 ]; |
|
delete xs[1]; |
|
|
|
assert.ok(Traverse.deepEqual( |
|
res, { a : 1, c : xs } |
|
)); |
|
|
|
assert.ok(!Traverse.deepEqual( |
|
res, { a : 1, c : [ 3, 5 ] } |
|
)); |
|
|
|
assert.ok(Traverse.deepEqual( |
|
res, { a : 1, c : [ 3 ,, 5 ] } |
|
)); |
|
};
|
|
|