Spaces:
Sleeping
Sleeping
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; | |
} |