lix-website/themes/lix/assets/bootstrap/node_modules/traverse/test/mutability.js

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2024-04-27 03:39:10 +00:00
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 ] }
));
};