forked from javascript-obfuscator/javascript-obfuscator
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathNodes.ts
More file actions
148 lines (129 loc) · 3.98 KB
/
Nodes.ts
File metadata and controls
148 lines (129 loc) · 3.98 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
import * as ESTree from 'estree';
import { TNodeWithBlockStatement } from "./types/TNodeWithBlockStatement";
import { NodeType } from "./enums/NodeType";
export class Nodes {
/**
* @param bodyNode
* @returns ESTree.Program
*/
public static getProgramNode (bodyNode: ESTree.Statement[]): ESTree.Program {
return {
'type': NodeType.Program,
'body': bodyNode,
'sourceType': 'script',
'obfuscated': false
};
}
/**
* @param node
* @returns {boolean}
*/
public static isArrowFunctionExpressionNode (node: ESTree.Node): node is ESTree.ArrowFunctionExpression {
return node.type === NodeType.ArrowFunctionExpression;
}
/**
* @param node
* @returns {boolean}
*/
public static isBlockStatementNode (node: ESTree.Node): node is ESTree.BlockStatement {
return node.type === NodeType.BlockStatement;
}
/**
* @param node
* @returns {boolean}
*/
public static isCallExpressionNode (node: ESTree.Node): node is ESTree.CallExpression {
return node.type === NodeType.CallExpression;
}
/**
* @param node
* @returns {boolean}
*/
public static isFunctionDeclarationNode (node: ESTree.Node): node is ESTree.FunctionDeclaration {
return node.type === NodeType.FunctionDeclaration;
}
/**
* @param node
* @returns {boolean}
*/
public static isFunctionExpressionNode (node: ESTree.Node): node is ESTree.FunctionExpression {
return node.type === NodeType.FunctionExpression;
}
/**
* @param node
* @returns {boolean}
*/
public static isIdentifierNode (node: ESTree.Node): node is ESTree.Identifier {
return node.type === NodeType.Identifier;
}
/**
* @param node
* @returns {boolean}
*/
public static isLiteralNode (node: ESTree.Node): node is ESTree.Literal {
return node.type === NodeType.Literal;
}
/**
* @param node
* @returns {boolean}
*/
public static isMemberExpressionNode (node: ESTree.Node): node is ESTree.MemberExpression {
return node.type === NodeType.MemberExpression;
}
/**
*
* @param node
* @returns {boolean}
*/
public static isProgramNode (node: ESTree.Node): node is ESTree.Program {
return node.type === NodeType.Program;
}
/**
*
* @param node
* @returns {boolean}
*/
public static isPropertyNode (node: ESTree.Node): node is ESTree.Property {
return node.type === NodeType.Property;
}
/**
* @param node
* @param parentNode
* @returns {boolean}
*/
public static isReplaceableIdentifierNode (node: ESTree.Node, parentNode: ESTree.Node): node is ESTree.Identifier {
if (!Nodes.isIdentifierNode(node)) {
return false;
}
const parentNodeIsPropertyNode: boolean = Nodes.isPropertyNode(parentNode) && parentNode.key === node;
const parentNodeIsMemberExpressionNode: boolean = (
Nodes.isMemberExpressionNode(parentNode) &&
parentNode.computed === false &&
parentNode.property === node
);
return !parentNodeIsPropertyNode && !parentNodeIsMemberExpressionNode;
}
/**
*
* @param node
* @returns {boolean}
*/
public static isVariableDeclarationNode (node: ESTree.Node): node is ESTree.VariableDeclaration {
return node.type === NodeType.VariableDeclaration;
}
/**
*
* @param node
* @returns {boolean}
*/
public static isVariableDeclaratorNode (node: ESTree.Node): node is ESTree.VariableDeclarator {
return node.type === NodeType.VariableDeclarator;
}
/**
* @param node
* @returns {boolean}
*/
public static isNodeHasBlockStatement (node: ESTree.Node): node is TNodeWithBlockStatement {
return node.hasOwnProperty('body') && Array.isArray((<TNodeWithBlockStatement>node).body);
}
}