source: trip-planner-front/node_modules/@webassemblyjs/ast/esm/node-path.js@ ceaed42

Last change on this file since ceaed42 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 3.5 KB
Line 
1function _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
3function 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
26function insertBefore(context, newNode) {
27 return insert(context, newNode);
28}
29
30function insertAfter(context, newNode) {
31 return insert(context, newNode, 1);
32}
33
34function 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
57function 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
84function stop(context) {
85 context.shouldStop = true;
86}
87
88function 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
109function 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
118function 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
130export function createPath(context) {
131 var path = _extends({}, context); // $FlowIgnore
132
133
134 Object.assign(path, createPathOperations(path)); // $FlowIgnore
135
136 return path;
137}
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