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- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.call = call;
- exports._call = _call;
- exports.isBlacklisted = isBlacklisted;
- exports.visit = visit;
- exports.skip = skip;
- exports.skipKey = skipKey;
- exports.stop = stop;
- exports.setScope = setScope;
- exports.setContext = setContext;
- exports.resync = resync;
- exports._resyncParent = _resyncParent;
- exports._resyncKey = _resyncKey;
- exports._resyncList = _resyncList;
- exports._resyncRemoved = _resyncRemoved;
- exports.popContext = popContext;
- exports.pushContext = pushContext;
- exports.setup = setup;
- exports.setKey = setKey;
- exports.requeue = requeue;
- exports._getQueueContexts = _getQueueContexts;
-
- var _index = _interopRequireDefault(require("../index"));
-
- var _index2 = require("./index");
-
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
- function call(key) {
- const opts = this.opts;
- this.debug(key);
-
- if (this.node) {
- if (this._call(opts[key])) return true;
- }
-
- if (this.node) {
- return this._call(opts[this.node.type] && opts[this.node.type][key]);
- }
-
- return false;
- }
-
- function _call(fns) {
- if (!fns) return false;
-
- for (const fn of fns) {
- if (!fn) continue;
- const node = this.node;
- if (!node) return true;
- const ret = fn.call(this.state, this, this.state);
-
- if (ret && typeof ret === "object" && typeof ret.then === "function") {
- 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.`);
- }
-
- if (ret) {
- throw new Error(`Unexpected return value from visitor method ${fn}`);
- }
-
- if (this.node !== node) return true;
- if (this._traverseFlags > 0) return true;
- }
-
- return false;
- }
-
- function isBlacklisted() {
- const blacklist = this.opts.blacklist;
- return blacklist && blacklist.indexOf(this.node.type) > -1;
- }
-
- function visit() {
- if (!this.node) {
- return false;
- }
-
- if (this.isBlacklisted()) {
- return false;
- }
-
- if (this.opts.shouldSkip && this.opts.shouldSkip(this)) {
- return false;
- }
-
- if (this.shouldSkip || this.call("enter") || this.shouldSkip) {
- this.debug("Skip...");
- return this.shouldStop;
- }
-
- this.debug("Recursing into...");
-
- _index.default.node(this.node, this.opts, this.scope, this.state, this, this.skipKeys);
-
- this.call("exit");
- return this.shouldStop;
- }
-
- function skip() {
- this.shouldSkip = true;
- }
-
- function skipKey(key) {
- if (this.skipKeys == null) {
- this.skipKeys = {};
- }
-
- this.skipKeys[key] = true;
- }
-
- function stop() {
- this._traverseFlags |= _index2.SHOULD_SKIP | _index2.SHOULD_STOP;
- }
-
- function setScope() {
- if (this.opts && this.opts.noScope) return;
- let path = this.parentPath;
- let target;
-
- while (path && !target) {
- if (path.opts && path.opts.noScope) return;
- target = path.scope;
- path = path.parentPath;
- }
-
- this.scope = this.getScope(target);
- if (this.scope) this.scope.init();
- }
-
- function setContext(context) {
- if (this.skipKeys != null) {
- this.skipKeys = {};
- }
-
- this._traverseFlags = 0;
-
- if (context) {
- this.context = context;
- this.state = context.state;
- this.opts = context.opts;
- }
-
- this.setScope();
- return this;
- }
-
- function resync() {
- if (this.removed) return;
-
- this._resyncParent();
-
- this._resyncList();
-
- this._resyncKey();
- }
-
- function _resyncParent() {
- if (this.parentPath) {
- this.parent = this.parentPath.node;
- }
- }
-
- function _resyncKey() {
- if (!this.container) return;
- if (this.node === this.container[this.key]) return;
-
- if (Array.isArray(this.container)) {
- for (let i = 0; i < this.container.length; i++) {
- if (this.container[i] === this.node) {
- return this.setKey(i);
- }
- }
- } else {
- for (const key of Object.keys(this.container)) {
- if (this.container[key] === this.node) {
- return this.setKey(key);
- }
- }
- }
-
- this.key = null;
- }
-
- function _resyncList() {
- if (!this.parent || !this.inList) return;
- const newContainer = this.parent[this.listKey];
- if (this.container === newContainer) return;
- this.container = newContainer || null;
- }
-
- function _resyncRemoved() {
- if (this.key == null || !this.container || this.container[this.key] !== this.node) {
- this._markRemoved();
- }
- }
-
- function popContext() {
- this.contexts.pop();
-
- if (this.contexts.length > 0) {
- this.setContext(this.contexts[this.contexts.length - 1]);
- } else {
- this.setContext(undefined);
- }
- }
-
- function pushContext(context) {
- this.contexts.push(context);
- this.setContext(context);
- }
-
- function setup(parentPath, container, listKey, key) {
- this.listKey = listKey;
- this.container = container;
- this.parentPath = parentPath || this.parentPath;
- this.setKey(key);
- }
-
- function setKey(key) {
- this.key = key;
- this.node = this.container[this.key];
- this.type = this.node && this.node.type;
- }
-
- function requeue(pathToQueue = this) {
- if (pathToQueue.removed) return;
- const contexts = this.contexts;
-
- for (const context of contexts) {
- context.maybeQueue(pathToQueue);
- }
- }
-
- function _getQueueContexts() {
- let path = this;
- let contexts = this.contexts;
-
- while (!contexts.length) {
- path = path.parentPath;
- if (!path) break;
- contexts = path.contexts;
- }
-
- return contexts;
- }
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