[6a3a178] | 1 | 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); }
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| 2 |
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| 3 | function findParent(_ref, cb) {
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| 4 | var parentPath = _ref.parentPath;
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| 5 |
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| 6 | if (parentPath == null) {
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| 7 | throw new Error("node is root");
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| 8 | }
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| 9 |
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| 10 | var currentPath = parentPath;
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| 11 |
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| 12 | while (cb(currentPath) !== false) {
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| 13 | // Hit the root node, stop
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| 14 | // $FlowIgnore
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| 15 | if (currentPath.parentPath == null) {
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| 16 | return null;
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| 17 | } // $FlowIgnore
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| 18 |
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| 19 |
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| 20 | currentPath = currentPath.parentPath;
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| 21 | }
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| 22 |
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| 23 | return currentPath.node;
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| 24 | }
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| 25 |
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| 26 | function insertBefore(context, newNode) {
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| 27 | return insert(context, newNode);
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| 28 | }
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| 29 |
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| 30 | function insertAfter(context, newNode) {
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| 31 | return insert(context, newNode, 1);
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| 32 | }
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| 33 |
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| 34 | function insert(_ref2, newNode) {
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| 35 | var node = _ref2.node,
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| 36 | inList = _ref2.inList,
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| 37 | parentPath = _ref2.parentPath,
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| 38 | parentKey = _ref2.parentKey;
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| 39 | var indexOffset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
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| 40 |
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| 41 | if (!inList) {
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| 42 | throw new Error('inList' + " error: " + ("insert can only be used for nodes that are within lists" || "unknown"));
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| 43 | }
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| 44 |
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| 45 | if (!(parentPath != null)) {
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| 46 | throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown"));
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| 47 | }
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| 48 |
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| 49 | // $FlowIgnore
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| 50 | var parentList = parentPath.node[parentKey];
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| 51 | var indexInList = parentList.findIndex(function (n) {
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| 52 | return n === node;
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| 53 | });
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| 54 | parentList.splice(indexInList + indexOffset, 0, newNode);
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| 55 | }
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| 56 |
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| 57 | function remove(_ref3) {
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| 58 | var node = _ref3.node,
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| 59 | parentKey = _ref3.parentKey,
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| 60 | parentPath = _ref3.parentPath;
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| 61 |
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| 62 | if (!(parentPath != null)) {
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| 63 | throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown"));
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| 64 | }
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| 65 |
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| 66 | // $FlowIgnore
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| 67 | var parentNode = parentPath.node; // $FlowIgnore
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| 68 |
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| 69 | var parentProperty = parentNode[parentKey];
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| 70 |
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| 71 | if (Array.isArray(parentProperty)) {
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| 72 | // $FlowIgnore
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| 73 | parentNode[parentKey] = parentProperty.filter(function (n) {
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| 74 | return n !== node;
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| 75 | });
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| 76 | } else {
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| 77 | // $FlowIgnore
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| 78 | delete parentNode[parentKey];
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| 79 | }
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| 80 |
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| 81 | node._deleted = true;
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| 82 | }
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| 83 |
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| 84 | function stop(context) {
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| 85 | context.shouldStop = true;
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| 86 | }
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| 87 |
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| 88 | function replaceWith(context, newNode) {
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| 89 | // $FlowIgnore
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| 90 | var parentNode = context.parentPath.node; // $FlowIgnore
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| 91 |
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| 92 | var parentProperty = parentNode[context.parentKey];
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| 93 |
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| 94 | if (Array.isArray(parentProperty)) {
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| 95 | var indexInList = parentProperty.findIndex(function (n) {
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| 96 | return n === context.node;
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| 97 | });
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| 98 | parentProperty.splice(indexInList, 1, newNode);
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| 99 | } else {
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| 100 | // $FlowIgnore
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| 101 | parentNode[context.parentKey] = newNode;
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| 102 | }
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| 103 |
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| 104 | context.node._deleted = true;
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| 105 | context.node = newNode;
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| 106 | } // bind the context to the first argument of node operations
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| 107 |
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| 108 |
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| 109 | function bindNodeOperations(operations, context) {
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| 110 | var keys = Object.keys(operations);
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| 111 | var boundOperations = {};
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| 112 | keys.forEach(function (key) {
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| 113 | boundOperations[key] = operations[key].bind(null, context);
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| 114 | });
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| 115 | return boundOperations;
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| 116 | }
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| 117 |
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| 118 | function createPathOperations(context) {
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| 119 | // $FlowIgnore
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| 120 | return bindNodeOperations({
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| 121 | findParent: findParent,
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| 122 | replaceWith: replaceWith,
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| 123 | remove: remove,
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| 124 | insertBefore: insertBefore,
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| 125 | insertAfter: insertAfter,
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| 126 | stop: stop
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| 127 | }, context);
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| 128 | }
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| 129 |
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| 130 | export function createPath(context) {
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| 131 | var path = _extends({}, context); // $FlowIgnore
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| 132 |
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| 133 |
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| 134 | Object.assign(path, createPathOperations(path)); // $FlowIgnore
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| 135 |
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| 136 | return path;
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| 137 | } |
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