add server to monorepo.

packages/server/src/utils/deepdash.ts

@@ -0,0 +1,106 @@
+import _ from 'lodash';
+import deepdash from 'deepdash';
+
+const {
+  condense,
+  condenseDeep,
+  eachDeep,
+  exists,
+  filterDeep,
+  findDeep,
+  findPathDeep,
+  findValueDeep,
+  forEachDeep,
+  index,
+  keysDeep,
+  mapDeep,
+  mapKeysDeep,
+  mapValuesDeep,
+  omitDeep,
+  pathMatches,
+  pathToString,
+  paths,
+  pickDeep,
+  reduceDeep,
+  someDeep,
+  iteratee,
+} = deepdash(_);
+
+const mapValuesDeepReverse = (nodes, callback, config?) => {
+  const clonedNodes = _.clone(nodes);
+  const nodesPaths = paths(nodes, config);
+  const reversedPaths = _.reverse(nodesPaths);
+
+  reversedPaths.forEach((pathStack: string[], i) => {
+    const node = _.get(clonedNodes, pathStack);
+    const pathString = pathToString(pathStack);
+    const children = _.get(
+      clonedNodes,
+      `${pathString}.${config.childrenPath}`,
+      []
+    );
+    const mappedNode = callback(node, children);
+
+    _.set(clonedNodes, pathString, {
+      ...mappedNode,
+      ...(!_.isEmpty(children) ? { children } : {}),
+    });
+  });
+  return clonedNodes;
+};
+
+const filterNodesDeep = (predicate, nodes) => {
+  return condense(
+    reduceDeep(
+      nodes,
+      (accumulator, value, key, parent, context) => {
+        const newValue = { ...value };
+
+        if (newValue.children) {
+          _.set(newValue, 'children', condense(value.children));
+        }
+        const isTrue = predicate(newValue, key, parent, context);
+
+        if (isTrue === true) {
+          _.set(accumulator, context.path, newValue);
+        } else if (isTrue === false) {
+          _.unset(accumulator, context.path);
+        }
+        return accumulator;
+      },
+      [],
+      {
+        childrenPath: 'children',
+        pathFormat: 'array',
+        callbackAfterIterate: true,
+      }
+    )
+  );
+};
+
+export {
+  iteratee,
+  condense,
+  condenseDeep,
+  eachDeep,
+  exists,
+  filterDeep,
+  findDeep,
+  findPathDeep,
+  findValueDeep,
+  forEachDeep,
+  index,
+  keysDeep,
+  mapDeep,
+  mapKeysDeep,
+  mapValuesDeep,
+  omitDeep,
+  pathMatches,
+  pathToString,
+  paths,
+  pickDeep,
+  reduceDeep,
+  someDeep,
+  mapValuesDeepReverse,
+  filterNodesDeep,
+};