"use strict";
|
|
Object.defineProperty(exports, "__esModule", {
|
value: true
|
});
|
exports.createPath = createPath;
|
|
function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
|
|
function findParent(_ref, cb) {
|
var parentPath = _ref.parentPath;
|
|
if (parentPath == null) {
|
throw new Error("node is root");
|
}
|
|
var currentPath = parentPath;
|
|
while (cb(currentPath) !== false) {
|
// Hit the root node, stop
|
// $FlowIgnore
|
if (currentPath.parentPath == null) {
|
return null;
|
} // $FlowIgnore
|
|
|
currentPath = currentPath.parentPath;
|
}
|
|
return currentPath.node;
|
}
|
|
function insertBefore(context, newNode) {
|
return insert(context, newNode);
|
}
|
|
function insertAfter(context, newNode) {
|
return insert(context, newNode, 1);
|
}
|
|
function insert(_ref2, newNode) {
|
var node = _ref2.node,
|
inList = _ref2.inList,
|
parentPath = _ref2.parentPath,
|
parentKey = _ref2.parentKey;
|
var indexOffset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
|
|
if (!inList) {
|
throw new Error('inList' + " error: " + ("insert can only be used for nodes that are within lists" || "unknown"));
|
}
|
|
if (!(parentPath != null)) {
|
throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown"));
|
}
|
|
// $FlowIgnore
|
var parentList = parentPath.node[parentKey];
|
var indexInList = parentList.findIndex(function (n) {
|
return n === node;
|
});
|
parentList.splice(indexInList + indexOffset, 0, newNode);
|
}
|
|
function remove(_ref3) {
|
var node = _ref3.node,
|
parentKey = _ref3.parentKey,
|
parentPath = _ref3.parentPath;
|
|
if (!(parentPath != null)) {
|
throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown"));
|
}
|
|
// $FlowIgnore
|
var parentNode = parentPath.node; // $FlowIgnore
|
|
var parentProperty = parentNode[parentKey];
|
|
if (Array.isArray(parentProperty)) {
|
// $FlowIgnore
|
parentNode[parentKey] = parentProperty.filter(function (n) {
|
return n !== node;
|
});
|
} else {
|
// $FlowIgnore
|
delete parentNode[parentKey];
|
}
|
|
node._deleted = true;
|
}
|
|
function stop(context) {
|
context.shouldStop = true;
|
}
|
|
function replaceWith(context, newNode) {
|
// $FlowIgnore
|
var parentNode = context.parentPath.node; // $FlowIgnore
|
|
var parentProperty = parentNode[context.parentKey];
|
|
if (Array.isArray(parentProperty)) {
|
var indexInList = parentProperty.findIndex(function (n) {
|
return n === context.node;
|
});
|
parentProperty.splice(indexInList, 1, newNode);
|
} else {
|
// $FlowIgnore
|
parentNode[context.parentKey] = newNode;
|
}
|
|
context.node._deleted = true;
|
context.node = newNode;
|
} // bind the context to the first argument of node operations
|
|
|
function bindNodeOperations(operations, context) {
|
var keys = Object.keys(operations);
|
var boundOperations = {};
|
keys.forEach(function (key) {
|
boundOperations[key] = operations[key].bind(null, context);
|
});
|
return boundOperations;
|
}
|
|
function createPathOperations(context) {
|
// $FlowIgnore
|
return bindNodeOperations({
|
findParent: findParent,
|
replaceWith: replaceWith,
|
remove: remove,
|
insertBefore: insertBefore,
|
insertAfter: insertAfter,
|
stop: stop
|
}, context);
|
}
|
|
function createPath(context) {
|
var path = _extends({}, context); // $FlowIgnore
|
|
|
Object.assign(path, createPathOperations(path)); // $FlowIgnore
|
|
return path;
|
}
|
