context.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _path = require("./path");

var _t = require("@babel/types");

const {
  VISITOR_KEYS
} = _t;

class TraversalContext {
  constructor(scope, opts, state, parentPath) {
    this.queue = null;
    this.priorityQueue = null;
    this.parentPath = parentPath;
    this.scope = scope;
    this.state = state;
    this.opts = opts;
  }

  shouldVisit(node) {
    const opts = this.opts;
    if (opts.enter || opts.exit) return true;
    if (opts[node.type]) return true;
    const keys = VISITOR_KEYS[node.type];
    if (!(keys != null && keys.length)) return false;

    for (const key of keys) {
      if (node[key]) {
        return true;
      }
    }

    return false;
  }

  create(node, container, key, listKey) {
    return _path.default.get({
      parentPath: this.parentPath,
      parent: node,
      container,
      key: key,
      listKey
    });
  }

  maybeQueue(path, notPriority) {
    if (this.queue) {
      if (notPriority) {
        this.queue.push(path);
      } else {
        this.priorityQueue.push(path);
      }
    }
  }

  visitMultiple(container, parent, listKey) {
    if (container.length === 0) return false;
    const queue = [];

    for (let key = 0; key < container.length; key++) {
      const node = container[key];

      if (node && this.shouldVisit(node)) {
        queue.push(this.create(parent, container, key, listKey));