1
|
function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
|
2
|
|
3
|
function findParent(_ref, cb) {
|
4
|
var parentPath = _ref.parentPath;
|
5
|
|
6
|
if (parentPath == null) {
|
7
|
throw new Error("node is root");
|
8
|
}
|
9
|
|
10
|
var currentPath = parentPath;
|
11
|
|
12
|
while (cb(currentPath) !== false) {
|
13
|
// Hit the root node, stop
|
14
|
// $FlowIgnore
|
15
|
if (currentPath.parentPath == null) {
|
16
|
return null;
|
17
|
} // $FlowIgnore
|
18
|
|
19
|
|
20
|
currentPath = currentPath.parentPath;
|
21
|
}
|
22
|
|
23
|
return currentPath.node;
|
24
|
}
|
25
|
|
26
|
function insertBefore(context, newNode) {
|
27
|
return insert(context, newNode);
|
28
|
}
|
29
|
|
30
|
function insertAfter(context, newNode) {
|
31
|
return insert(context, newNode, 1);
|
32
|
}
|
33
|
|
34
|
function insert(_ref2, newNode) {
|
35
|
var node = _ref2.node,
|
36
|
inList = _ref2.inList,
|
37
|
parentPath = _ref2.parentPath,
|
38
|
parentKey = _ref2.parentKey;
|
39
|
var indexOffset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
|
40
|
|
41
|
if (!inList) {
|
42
|
throw new Error('inList' + " error: " + ("insert can only be used for nodes that are within lists" || "unknown"));
|
43
|
}
|
44
|
|
45
|
if (!(parentPath != null)) {
|
46
|
throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown"));
|
47
|
}
|
48
|
|
49
|
// $FlowIgnore
|
50
|
var parentList = parentPath.node[parentKey];
|
51
|
var indexInList = parentList.findIndex(function (n) {
|
52
|
return n === node;
|
53
|
});
|
54
|
parentList.splice(indexInList + indexOffset, 0, newNode);
|
55
|
}
|
56
|
|
57
|
function remove(_ref3) {
|
58
|
var node = _ref3.node,
|
59
|
parentKey = _ref3.parentKey,
|
60
|
parentPath = _ref3.parentPath;
|
61
|
|
62
|
if (!(parentPath != null)) {
|
63
|
throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown"));
|
64
|
}
|
65
|
|
66
|
// $FlowIgnore
|
67
|
var parentNode = parentPath.node; // $FlowIgnore
|
68
|
|
69
|
var parentProperty = parentNode[parentKey];
|
70
|
|
71
|
if (Array.isArray(parentProperty)) {
|
72
|
// $FlowIgnore
|
73
|
parentNode[parentKey] = parentProperty.filter(function (n) {
|
74
|
return n !== node;
|
75
|
});
|
76
|
} else {
|
77
|
// $FlowIgnore
|
78
|
delete parentNode[parentKey];
|
79
|
}
|
80
|
|
81
|
node._deleted = true;
|
82
|
}
|
83
|
|
84
|
function stop(context) {
|
85
|
context.shouldStop = true;
|
86
|
}
|
87
|
|
88
|
function replaceWith(context, newNode) {
|
89
|
// $FlowIgnore
|
90
|
var parentNode = context.parentPath.node; // $FlowIgnore
|
91
|
|
92
|
var parentProperty = parentNode[context.parentKey];
|
93
|
|
94
|
if (Array.isArray(parentProperty)) {
|
95
|
var indexInList = parentProperty.findIndex(function (n) {
|
96
|
return n === context.node;
|
97
|
});
|
98
|
parentProperty.splice(indexInList, 1, newNode);
|
99
|
} else {
|
100
|
// $FlowIgnore
|
101
|
parentNode[context.parentKey] = newNode;
|
102
|
}
|
103
|
|
104
|
context.node._deleted = true;
|
105
|
context.node = newNode;
|
106
|
} // bind the context to the first argument of node operations
|
107
|
|
108
|
|
109
|
function bindNodeOperations(operations, context) {
|
110
|
var keys = Object.keys(operations);
|
111
|
var boundOperations = {};
|
112
|
keys.forEach(function (key) {
|
113
|
boundOperations[key] = operations[key].bind(null, context);
|
114
|
});
|
115
|
return boundOperations;
|
116
|
}
|
117
|
|
118
|
function createPathOperations(context) {
|
119
|
// $FlowIgnore
|
120
|
return bindNodeOperations({
|
121
|
findParent: findParent,
|
122
|
replaceWith: replaceWith,
|
123
|
remove: remove,
|
124
|
insertBefore: insertBefore,
|
125
|
insertAfter: insertAfter,
|
126
|
stop: stop
|
127
|
}, context);
|
128
|
}
|
129
|
|
130
|
export function createPath(context) {
|
131
|
var path = _extends({}, context); // $FlowIgnore
|
132
|
|
133
|
|
134
|
Object.assign(path, createPathOperations(path)); // $FlowIgnore
|
135
|
|
136
|
return path;
|
137
|
}
|