source: trip-planner-front/node_modules/@babel/traverse/lib/path/index.js@ 1ad8e64

Last change on this file since 1ad8e64 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 5.2 KB
Line 
1"use strict";
2
3Object.defineProperty(exports, "__esModule", {
4 value: true
5});
6exports.default = exports.SHOULD_SKIP = exports.SHOULD_STOP = exports.REMOVED = void 0;
7
8var virtualTypes = require("./lib/virtual-types");
9
10var _debug = require("debug");
11
12var _index = require("../index");
13
14var _scope = require("../scope");
15
16var _t = require("@babel/types");
17
18var t = _t;
19
20var _cache = require("../cache");
21
22var _generator = require("@babel/generator");
23
24var NodePath_ancestry = require("./ancestry");
25
26var NodePath_inference = require("./inference");
27
28var NodePath_replacement = require("./replacement");
29
30var NodePath_evaluation = require("./evaluation");
31
32var NodePath_conversion = require("./conversion");
33
34var NodePath_introspection = require("./introspection");
35
36var NodePath_context = require("./context");
37
38var NodePath_removal = require("./removal");
39
40var NodePath_modification = require("./modification");
41
42var NodePath_family = require("./family");
43
44var NodePath_comments = require("./comments");
45
46const {
47 validate
48} = _t;
49
50const debug = _debug("babel");
51
52const REMOVED = 1 << 0;
53exports.REMOVED = REMOVED;
54const SHOULD_STOP = 1 << 1;
55exports.SHOULD_STOP = SHOULD_STOP;
56const SHOULD_SKIP = 1 << 2;
57exports.SHOULD_SKIP = SHOULD_SKIP;
58
59class NodePath {
60 constructor(hub, parent) {
61 this.contexts = [];
62 this.state = null;
63 this.opts = null;
64 this._traverseFlags = 0;
65 this.skipKeys = null;
66 this.parentPath = null;
67 this.container = null;
68 this.listKey = null;
69 this.key = null;
70 this.node = null;
71 this.type = null;
72 this.parent = parent;
73 this.hub = hub;
74 this.data = null;
75 this.context = null;
76 this.scope = null;
77 }
78
79 static get({
80 hub,
81 parentPath,
82 parent,
83 container,
84 listKey,
85 key
86 }) {
87 if (!hub && parentPath) {
88 hub = parentPath.hub;
89 }
90
91 if (!parent) {
92 throw new Error("To get a node path the parent needs to exist");
93 }
94
95 const targetNode = container[key];
96
97 let paths = _cache.path.get(parent);
98
99 if (!paths) {
100 paths = new Map();
101
102 _cache.path.set(parent, paths);
103 }
104
105 let path = paths.get(targetNode);
106
107 if (!path) {
108 path = new NodePath(hub, parent);
109 if (targetNode) paths.set(targetNode, path);
110 }
111
112 path.setup(parentPath, container, listKey, key);
113 return path;
114 }
115
116 getScope(scope) {
117 return this.isScope() ? new _scope.default(this) : scope;
118 }
119
120 setData(key, val) {
121 if (this.data == null) {
122 this.data = Object.create(null);
123 }
124
125 return this.data[key] = val;
126 }
127
128 getData(key, def) {
129 if (this.data == null) {
130 this.data = Object.create(null);
131 }
132
133 let val = this.data[key];
134 if (val === undefined && def !== undefined) val = this.data[key] = def;
135 return val;
136 }
137
138 buildCodeFrameError(msg, Error = SyntaxError) {
139 return this.hub.buildError(this.node, msg, Error);
140 }
141
142 traverse(visitor, state) {
143 (0, _index.default)(this.node, visitor, this.scope, state, this);
144 }
145
146 set(key, node) {
147 validate(this.node, key, node);
148 this.node[key] = node;
149 }
150
151 getPathLocation() {
152 const parts = [];
153 let path = this;
154
155 do {
156 let key = path.key;
157 if (path.inList) key = `${path.listKey}[${key}]`;
158 parts.unshift(key);
159 } while (path = path.parentPath);
160
161 return parts.join(".");
162 }
163
164 debug(message) {
165 if (!debug.enabled) return;
166 debug(`${this.getPathLocation()} ${this.type}: ${message}`);
167 }
168
169 toString() {
170 return (0, _generator.default)(this.node).code;
171 }
172
173 get inList() {
174 return !!this.listKey;
175 }
176
177 set inList(inList) {
178 if (!inList) {
179 this.listKey = null;
180 }
181 }
182
183 get parentKey() {
184 return this.listKey || this.key;
185 }
186
187 get shouldSkip() {
188 return !!(this._traverseFlags & SHOULD_SKIP);
189 }
190
191 set shouldSkip(v) {
192 if (v) {
193 this._traverseFlags |= SHOULD_SKIP;
194 } else {
195 this._traverseFlags &= ~SHOULD_SKIP;
196 }
197 }
198
199 get shouldStop() {
200 return !!(this._traverseFlags & SHOULD_STOP);
201 }
202
203 set shouldStop(v) {
204 if (v) {
205 this._traverseFlags |= SHOULD_STOP;
206 } else {
207 this._traverseFlags &= ~SHOULD_STOP;
208 }
209 }
210
211 get removed() {
212 return !!(this._traverseFlags & REMOVED);
213 }
214
215 set removed(v) {
216 if (v) {
217 this._traverseFlags |= REMOVED;
218 } else {
219 this._traverseFlags &= ~REMOVED;
220 }
221 }
222
223}
224
225Object.assign(NodePath.prototype, NodePath_ancestry, NodePath_inference, NodePath_replacement, NodePath_evaluation, NodePath_conversion, NodePath_introspection, NodePath_context, NodePath_removal, NodePath_modification, NodePath_family, NodePath_comments);
226
227for (const type of t.TYPES) {
228 const typeKey = `is${type}`;
229 const fn = t[typeKey];
230
231 NodePath.prototype[typeKey] = function (opts) {
232 return fn(this.node, opts);
233 };
234
235 NodePath.prototype[`assert${type}`] = function (opts) {
236 if (!fn(this.node, opts)) {
237 throw new TypeError(`Expected node path of type ${type}`);
238 }
239 };
240}
241
242for (const type of Object.keys(virtualTypes)) {
243 if (type[0] === "_") continue;
244 if (t.TYPES.indexOf(type) < 0) t.TYPES.push(type);
245 const virtualType = virtualTypes[type];
246
247 NodePath.prototype[`is${type}`] = function (opts) {
248 return virtualType.checkPath(this, opts);
249 };
250}
251
252var _default = NodePath;
253exports.default = _default;
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