canonical/node_modules/babel-traverse/lib/path/removal.js

Canonical code style linter and formatter for JavaScript, SCSS, CSS and JSON.

// This file contains methods responsible for removing a node.

"use strict";

var _getIterator = require("babel-runtime/core-js/get-iterator")["default"];

exports.__esModule = true;
exports.remove = remove;
exports._callRemovalHooks = _callRemovalHooks;
exports._remove = _remove;
exports._markRemoved = _markRemoved;
exports._assertUnremoved = _assertUnremoved;

var _libRemovalHooks = require("./lib/removal-hooks");

function remove() {
  this._assertUnremoved();

  this.resync();

  if (this._callRemovalHooks()) {
    this._markRemoved();
    return;
  }

  this.shareCommentsWithSiblings();
  this._remove();
  this._markRemoved();
}

function _callRemovalHooks() {
  for (var _iterator = (_libRemovalHooks.hooks /*: Array<Function>*/), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _getIterator(_iterator);;) {
    var _ref;

    if (_isArray) {
      if (_i >= _iterator.length) break;
      _ref = _iterator[_i++];
    } else {
      _i = _iterator.next();
      if (_i.done) break;
      _ref = _i.value;
    }

    var fn = _ref;

    if (fn(this, this.parentPath)) return true;
  }
}

function _remove() {
  if (Array.isArray(this.container)) {
    this.container.splice(this.key, 1);
    this.updateSiblingKeys(this.key, -1);
  } else {
    this._replaceWith(null);
  }
}

function _markRemoved() {
  this.shouldSkip = true;
  this.removed = true;
  this.node = null;
}

function _assertUnremoved() {
  if (this.removed) {
    throw this.buildCodeFrameError("NodePath has been removed so is read-only.");
  }
}