[6a3a178] | 1 | "use strict";
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| 2 |
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| 3 | Object.defineProperty(exports, "__esModule", {
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| 4 | value: true
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| 5 | });
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| 6 | exports.default = exports.SHOULD_SKIP = exports.SHOULD_STOP = exports.REMOVED = void 0;
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| 7 |
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| 8 | var virtualTypes = require("./lib/virtual-types");
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| 9 |
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| 10 | var _debug = require("debug");
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| 11 |
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| 12 | var _index = require("../index");
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| 13 |
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| 14 | var _scope = require("../scope");
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| 15 |
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| 16 | var _t = require("@babel/types");
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| 17 |
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| 18 | var t = _t;
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| 19 |
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| 20 | var _cache = require("../cache");
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| 21 |
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| 22 | var _generator = require("@babel/generator");
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| 23 |
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| 24 | var NodePath_ancestry = require("./ancestry");
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| 25 |
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| 26 | var NodePath_inference = require("./inference");
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| 27 |
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| 28 | var NodePath_replacement = require("./replacement");
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| 29 |
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| 30 | var NodePath_evaluation = require("./evaluation");
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| 31 |
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| 32 | var NodePath_conversion = require("./conversion");
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| 33 |
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| 34 | var NodePath_introspection = require("./introspection");
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| 35 |
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| 36 | var NodePath_context = require("./context");
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| 37 |
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| 38 | var NodePath_removal = require("./removal");
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| 39 |
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| 40 | var NodePath_modification = require("./modification");
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| 41 |
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| 42 | var NodePath_family = require("./family");
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| 43 |
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| 44 | var NodePath_comments = require("./comments");
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| 45 |
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| 46 | const {
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| 47 | validate
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| 48 | } = _t;
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| 49 |
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| 50 | const debug = _debug("babel");
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| 51 |
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| 52 | const REMOVED = 1 << 0;
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| 53 | exports.REMOVED = REMOVED;
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| 54 | const SHOULD_STOP = 1 << 1;
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| 55 | exports.SHOULD_STOP = SHOULD_STOP;
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| 56 | const SHOULD_SKIP = 1 << 2;
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| 57 | exports.SHOULD_SKIP = SHOULD_SKIP;
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| 58 |
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| 59 | class NodePath {
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| 60 | constructor(hub, parent) {
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| 61 | this.contexts = [];
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| 62 | this.state = null;
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| 63 | this.opts = null;
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| 64 | this._traverseFlags = 0;
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| 65 | this.skipKeys = null;
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| 66 | this.parentPath = null;
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| 67 | this.container = null;
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| 68 | this.listKey = null;
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| 69 | this.key = null;
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| 70 | this.node = null;
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| 71 | this.type = null;
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| 72 | this.parent = parent;
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| 73 | this.hub = hub;
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| 74 | this.data = null;
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| 75 | this.context = null;
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| 76 | this.scope = null;
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| 77 | }
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| 78 |
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| 79 | static get({
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| 80 | hub,
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| 81 | parentPath,
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| 82 | parent,
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| 83 | container,
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| 84 | listKey,
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| 85 | key
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| 86 | }) {
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| 87 | if (!hub && parentPath) {
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| 88 | hub = parentPath.hub;
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| 89 | }
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| 90 |
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| 91 | if (!parent) {
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| 92 | throw new Error("To get a node path the parent needs to exist");
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| 93 | }
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| 94 |
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| 95 | const targetNode = container[key];
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| 96 |
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| 97 | let paths = _cache.path.get(parent);
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| 98 |
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| 99 | if (!paths) {
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| 100 | paths = new Map();
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| 101 |
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| 102 | _cache.path.set(parent, paths);
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| 103 | }
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| 104 |
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| 105 | let path = paths.get(targetNode);
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| 106 |
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| 107 | if (!path) {
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| 108 | path = new NodePath(hub, parent);
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| 109 | if (targetNode) paths.set(targetNode, path);
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| 110 | }
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| 111 |
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| 112 | path.setup(parentPath, container, listKey, key);
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| 113 | return path;
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| 114 | }
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| 115 |
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| 116 | getScope(scope) {
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| 117 | return this.isScope() ? new _scope.default(this) : scope;
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| 118 | }
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| 119 |
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| 120 | setData(key, val) {
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| 121 | if (this.data == null) {
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| 122 | this.data = Object.create(null);
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| 123 | }
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| 124 |
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| 125 | return this.data[key] = val;
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| 126 | }
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| 127 |
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| 128 | getData(key, def) {
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| 129 | if (this.data == null) {
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| 130 | this.data = Object.create(null);
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| 131 | }
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| 132 |
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| 133 | let val = this.data[key];
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| 134 | if (val === undefined && def !== undefined) val = this.data[key] = def;
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| 135 | return val;
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| 136 | }
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| 137 |
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| 138 | buildCodeFrameError(msg, Error = SyntaxError) {
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| 139 | return this.hub.buildError(this.node, msg, Error);
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| 140 | }
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| 141 |
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| 142 | traverse(visitor, state) {
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| 143 | (0, _index.default)(this.node, visitor, this.scope, state, this);
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| 144 | }
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| 145 |
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| 146 | set(key, node) {
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| 147 | validate(this.node, key, node);
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| 148 | this.node[key] = node;
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| 149 | }
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| 150 |
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| 151 | getPathLocation() {
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| 152 | const parts = [];
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| 153 | let path = this;
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| 154 |
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| 155 | do {
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| 156 | let key = path.key;
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| 157 | if (path.inList) key = `${path.listKey}[${key}]`;
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| 158 | parts.unshift(key);
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| 159 | } while (path = path.parentPath);
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| 160 |
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| 161 | return parts.join(".");
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| 162 | }
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| 163 |
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| 164 | debug(message) {
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| 165 | if (!debug.enabled) return;
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| 166 | debug(`${this.getPathLocation()} ${this.type}: ${message}`);
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| 167 | }
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| 168 |
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| 169 | toString() {
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| 170 | return (0, _generator.default)(this.node).code;
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| 171 | }
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| 172 |
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| 173 | get inList() {
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| 174 | return !!this.listKey;
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| 175 | }
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| 176 |
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| 177 | set inList(inList) {
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| 178 | if (!inList) {
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| 179 | this.listKey = null;
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| 180 | }
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| 181 | }
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| 182 |
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| 183 | get parentKey() {
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| 184 | return this.listKey || this.key;
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| 185 | }
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| 186 |
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| 187 | get shouldSkip() {
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| 188 | return !!(this._traverseFlags & SHOULD_SKIP);
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| 189 | }
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| 190 |
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| 191 | set shouldSkip(v) {
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| 192 | if (v) {
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| 193 | this._traverseFlags |= SHOULD_SKIP;
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| 194 | } else {
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| 195 | this._traverseFlags &= ~SHOULD_SKIP;
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| 196 | }
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| 197 | }
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| 198 |
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| 199 | get shouldStop() {
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| 200 | return !!(this._traverseFlags & SHOULD_STOP);
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| 201 | }
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| 202 |
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| 203 | set shouldStop(v) {
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| 204 | if (v) {
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| 205 | this._traverseFlags |= SHOULD_STOP;
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| 206 | } else {
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| 207 | this._traverseFlags &= ~SHOULD_STOP;
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| 208 | }
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| 209 | }
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| 210 |
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| 211 | get removed() {
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| 212 | return !!(this._traverseFlags & REMOVED);
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| 213 | }
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| 214 |
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| 215 | set removed(v) {
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| 216 | if (v) {
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| 217 | this._traverseFlags |= REMOVED;
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| 218 | } else {
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| 219 | this._traverseFlags &= ~REMOVED;
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| 220 | }
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| 221 | }
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| 222 |
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| 223 | }
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| 224 |
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| 225 | Object.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);
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| 226 |
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| 227 | for (const type of t.TYPES) {
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| 228 | const typeKey = `is${type}`;
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| 229 | const fn = t[typeKey];
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| 230 |
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| 231 | NodePath.prototype[typeKey] = function (opts) {
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| 232 | return fn(this.node, opts);
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| 233 | };
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| 234 |
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| 235 | NodePath.prototype[`assert${type}`] = function (opts) {
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| 236 | if (!fn(this.node, opts)) {
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| 237 | throw new TypeError(`Expected node path of type ${type}`);
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| 238 | }
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| 239 | };
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| 240 | }
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| 241 |
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| 242 | for (const type of Object.keys(virtualTypes)) {
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| 243 | if (type[0] === "_") continue;
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| 244 | if (t.TYPES.indexOf(type) < 0) t.TYPES.push(type);
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| 245 | const virtualType = virtualTypes[type];
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| 246 |
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| 247 | NodePath.prototype[`is${type}`] = function (opts) {
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| 248 | return virtualType.checkPath(this, opts);
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| 249 | };
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| 250 | }
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| 251 |
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| 252 | var _default = NodePath;
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| 253 | exports.default = _default; |
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