index.js
2.48 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
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "Hub", {
enumerable: true,
get: function () {
return _hub.default;
}
});
Object.defineProperty(exports, "NodePath", {
enumerable: true,
get: function () {
return _path.default;
}
});
Object.defineProperty(exports, "Scope", {
enumerable: true,
get: function () {
return _scope.default;
}
});
exports.visitors = exports.default = void 0;
var visitors = require("./visitors");
exports.visitors = visitors;
var _t = require("@babel/types");
var cache = require("./cache");
var _traverseNode = require("./traverse-node");
var _path = require("./path");
var _scope = require("./scope");
var _hub = require("./hub");
const {
VISITOR_KEYS,
removeProperties,
traverseFast
} = _t;
function traverse(parent,
opts = {}, scope, state, parentPath) {
if (!parent) return;
if (!opts.noScope && !scope) {
if (parent.type !== "Program" && parent.type !== "File") {
throw new Error("You must pass a scope and parentPath unless traversing a Program/File. " + `Instead of that you tried to traverse a ${parent.type} node without ` + "passing scope and parentPath.");
}
}
if (!VISITOR_KEYS[parent.type]) {
return;
}
visitors.explode(opts);
(0, _traverseNode.traverseNode)(parent, opts, scope, state, parentPath);
}
var _default = traverse;
exports.default = _default;
traverse.visitors = visitors;
traverse.verify = visitors.verify;
traverse.explode = visitors.explode;
traverse.cheap = function (node, enter) {
return traverseFast(node, enter);
};
traverse.node = function (node, opts, scope, state, path, skipKeys) {
(0, _traverseNode.traverseNode)(node, opts, scope, state, path, skipKeys);
};
traverse.clearNode = function (node, opts) {
removeProperties(node, opts);
cache.path.delete(node);
};
traverse.removeProperties = function (tree, opts) {
traverseFast(tree, traverse.clearNode, opts);
return tree;
};
function hasDenylistedType(path, state) {
if (path.node.type === state.type) {
state.has = true;
path.stop();
}
}
traverse.hasType = function (tree, type, denylistTypes) {
if (denylistTypes != null && denylistTypes.includes(tree.type)) return false;
if (tree.type === type) return true;
const state = {
has: false,
type: type
};
traverse(tree, {
noScope: true,
denylist: denylistTypes,
enter: hasDenylistedType
}, null, state);
return state.has;
};
traverse.cache = cache;
//# sourceMappingURL=index.js.map