ce4c83ff
 wxy
初始提交
|
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
|
/**
* Copyright (c) 2014-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
var assert = require("assert");
var types = require("recast").types;
var n = types.namedTypes;
var b = types.builders;
var hasOwn = Object.prototype.hasOwnProperty;
exports.defaults = function(obj) {
var len = arguments.length;
var extension;
for (var i = 1; i < len; ++i) {
if ((extension = arguments[i])) {
for (var key in extension) {
if (hasOwn.call(extension, key) && !hasOwn.call(obj, key)) {
obj[key] = extension[key];
}
}
}
}
return obj;
};
exports.runtimeProperty = function(name) {
return b.memberExpression(
b.identifier("regeneratorRuntime"),
b.identifier(name),
false
);
};
// Inspired by the isReference function from ast-util:
// https://github.com/eventualbuddha/ast-util/blob/9bf91c5ce8/lib/index.js#L466-L506
exports.isReference = function(path, name) {
var node = path.value;
if (!n.Identifier.check(node)) {
return false;
}
if (name && node.name !== name) {
return false;
}
var parent = path.parent.value;
switch (parent.type) {
case "VariableDeclarator":
return path.name === "init";
case "MemberExpression":
return path.name === "object" || (
parent.computed && path.name === "property"
);
case "FunctionExpression":
case "FunctionDeclaration":
case "ArrowFunctionExpression":
if (path.name === "id") {
return false;
}
if (path.parentPath.name === "params" &&
parent.params === path.parentPath.value &&
parent.params[path.name] === node) {
return false;
}
return true;
case "ClassDeclaration":
case "ClassExpression":
return path.name !== "id";
case "CatchClause":
return path.name !== "param";
case "Property":
case "MethodDefinition":
return path.name !== "key";
case "ImportSpecifier":
case "ImportDefaultSpecifier":
case "ImportNamespaceSpecifier":
case "LabeledStatement":
return false;
default:
return true;
}
};
|
