141 lines
4.3 KiB
JavaScript
141 lines
4.3 KiB
JavaScript
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }
|
|
|
|
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
|
|
|
|
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
|
|
|
|
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);
|
|
}
|
|
|
|
export function createPath(context) {
|
|
var path = _objectSpread({}, context); // $FlowIgnore
|
|
|
|
|
|
Object.assign(path, createPathOperations(path)); // $FlowIgnore
|
|
|
|
return path;
|
|
} |