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							233 lines
						
					
					
						
							5.8 KiB
						
					
					
				| "use strict";
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| 
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| Object.defineProperty(exports, "__esModule", {
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|   value: true
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| });
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| exports._call = _call;
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| exports._getQueueContexts = _getQueueContexts;
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| exports._resyncKey = _resyncKey;
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| exports._resyncList = _resyncList;
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| exports._resyncParent = _resyncParent;
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| exports._resyncRemoved = _resyncRemoved;
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| exports.call = call;
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| exports.isBlacklisted = exports.isDenylisted = isDenylisted;
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| exports.popContext = popContext;
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| exports.pushContext = pushContext;
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| exports.requeue = requeue;
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| exports.resync = resync;
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| exports.setContext = setContext;
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| exports.setKey = setKey;
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| exports.setScope = setScope;
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| exports.setup = setup;
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| exports.skip = skip;
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| exports.skipKey = skipKey;
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| exports.stop = stop;
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| exports.visit = visit;
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| var _traverseNode = require("../traverse-node");
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| var _index = require("./index");
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| 
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| function call(key) {
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|   const opts = this.opts;
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|   this.debug(key);
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|   if (this.node) {
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|     if (this._call(opts[key])) return true;
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|   }
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|   if (this.node) {
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|     return this._call(opts[this.node.type] && opts[this.node.type][key]);
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|   }
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|   return false;
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| }
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| function _call(fns) {
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|   if (!fns) return false;
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|   for (const fn of fns) {
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|     if (!fn) continue;
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|     const node = this.node;
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|     if (!node) return true;
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|     const ret = fn.call(this.state, this, this.state);
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|     if (ret && typeof ret === "object" && typeof ret.then === "function") {
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|       throw new Error(`You appear to be using a plugin with an async traversal visitor, ` + `which your current version of Babel does not support. ` + `If you're using a published plugin, you may need to upgrade ` + `your @babel/core version.`);
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|     }
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|     if (ret) {
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|       throw new Error(`Unexpected return value from visitor method ${fn}`);
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|     }
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| 
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|     if (this.node !== node) return true;
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| 
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|     if (this._traverseFlags > 0) return true;
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|   }
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|   return false;
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| }
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| function isDenylisted() {
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|   var _this$opts$denylist;
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|   const denylist = (_this$opts$denylist = this.opts.denylist) != null ? _this$opts$denylist : this.opts.blacklist;
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|   return denylist && denylist.indexOf(this.node.type) > -1;
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| }
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| 
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| function restoreContext(path, context) {
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|   if (path.context !== context) {
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|     path.context = context;
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|     path.state = context.state;
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|     path.opts = context.opts;
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|   }
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| }
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| function visit() {
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|   if (!this.node) {
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|     return false;
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|   }
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|   if (this.isDenylisted()) {
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|     return false;
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|   }
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|   if (this.opts.shouldSkip && this.opts.shouldSkip(this)) {
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|     return false;
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|   }
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|   const currentContext = this.context;
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|   if (this.shouldSkip || this.call("enter")) {
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|     this.debug("Skip...");
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|     return this.shouldStop;
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|   }
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|   restoreContext(this, currentContext);
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|   this.debug("Recursing into...");
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|   this.shouldStop = (0, _traverseNode.traverseNode)(this.node, this.opts, this.scope, this.state, this, this.skipKeys);
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|   restoreContext(this, currentContext);
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|   this.call("exit");
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|   return this.shouldStop;
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| }
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| function skip() {
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|   this.shouldSkip = true;
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| }
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| function skipKey(key) {
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|   if (this.skipKeys == null) {
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|     this.skipKeys = {};
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|   }
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|   this.skipKeys[key] = true;
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| }
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| function stop() {
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|   this._traverseFlags |= _index.SHOULD_SKIP | _index.SHOULD_STOP;
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| }
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| function setScope() {
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|   if (this.opts && this.opts.noScope) return;
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|   let path = this.parentPath;
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|   if (
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|   (this.key === "key" || this.listKey === "decorators") && path.isMethod() ||
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|   this.key === "discriminant" && path.isSwitchStatement()) {
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|     path = path.parentPath;
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|   }
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|   let target;
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|   while (path && !target) {
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|     if (path.opts && path.opts.noScope) return;
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|     target = path.scope;
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|     path = path.parentPath;
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|   }
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|   this.scope = this.getScope(target);
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|   if (this.scope) this.scope.init();
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| }
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| function setContext(context) {
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|   if (this.skipKeys != null) {
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|     this.skipKeys = {};
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|   }
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|   this._traverseFlags = 0;
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|   if (context) {
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|     this.context = context;
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|     this.state = context.state;
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|     this.opts = context.opts;
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|   }
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|   this.setScope();
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|   return this;
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| }
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| 
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| function resync() {
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|   if (this.removed) return;
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|   this._resyncParent();
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|   this._resyncList();
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|   this._resyncKey();
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| }
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| 
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| function _resyncParent() {
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|   if (this.parentPath) {
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|     this.parent = this.parentPath.node;
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|   }
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| }
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| function _resyncKey() {
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|   if (!this.container) return;
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|   if (this.node ===
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|   this.container[this.key]) {
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|     return;
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|   }
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| 
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|   if (Array.isArray(this.container)) {
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|     for (let i = 0; i < this.container.length; i++) {
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|       if (this.container[i] === this.node) {
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|         return this.setKey(i);
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|       }
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|     }
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|   } else {
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|     for (const key of Object.keys(this.container)) {
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|       if (this.container[key] === this.node) {
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|         return this.setKey(key);
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|       }
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|     }
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|   }
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| 
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|   this.key = null;
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| }
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| function _resyncList() {
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|   if (!this.parent || !this.inList) return;
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|   const newContainer =
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|   this.parent[this.listKey];
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|   if (this.container === newContainer) return;
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| 
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|   this.container = newContainer || null;
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| }
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| function _resyncRemoved() {
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|   if (this.key == null || !this.container ||
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|   this.container[this.key] !== this.node) {
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|     this._markRemoved();
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|   }
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| }
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| function popContext() {
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|   this.contexts.pop();
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|   if (this.contexts.length > 0) {
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|     this.setContext(this.contexts[this.contexts.length - 1]);
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|   } else {
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|     this.setContext(undefined);
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|   }
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| }
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| function pushContext(context) {
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|   this.contexts.push(context);
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|   this.setContext(context);
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| }
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| function setup(parentPath, container, listKey, key) {
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|   this.listKey = listKey;
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|   this.container = container;
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|   this.parentPath = parentPath || this.parentPath;
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|   this.setKey(key);
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| }
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| function setKey(key) {
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|   var _this$node;
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|   this.key = key;
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|   this.node =
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|   this.container[this.key];
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|   this.type = (_this$node = this.node) == null ? void 0 : _this$node.type;
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| }
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| function requeue(pathToQueue = this) {
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|   if (pathToQueue.removed) return;
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| 
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|   ;
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|   const contexts = this.contexts;
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|   for (const context of contexts) {
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|     context.maybeQueue(pathToQueue);
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|   }
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| }
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| function _getQueueContexts() {
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|   let path = this;
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|   let contexts = this.contexts;
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|   while (!contexts.length) {
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|     path = path.parentPath;
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|     if (!path) break;
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|     contexts = path.contexts;
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|   }
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|   return contexts;
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| }
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| 
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| //# sourceMappingURL=context.js.map
 |