chore(pouchdb-find): var -> const/let (#8917)

* chore(pouchdb-find): var -> const/let

Author: SourceR85

packages/node_modules/pouchdb-find/src/adapters/local/create-index/index.js

@@ -7,25 +7,25 @@ import { mergeObjects } from '../../../utils';
 
 async function createIndex(db, requestDef) {
   requestDef = massageCreateIndexRequest(requestDef);
-  var originalIndexDef = clone(requestDef.index);
+  const originalIndexDef = clone(requestDef.index);
   requestDef.index = massageIndexDef(requestDef.index);
 
   validateIndex(requestDef.index);
 
   // calculating md5 is expensive - memoize and only
   // run if required
-  var md5;
+  let md5;
   function getMd5() {
     return md5 || (md5 = stringMd5(JSON.stringify(requestDef)));
   }
 
-  var viewName = requestDef.name || ('idx-' + getMd5());
+  const viewName = requestDef.name || ('idx-' + getMd5());
 
-  var ddocName = requestDef.ddoc || ('idx-' + getMd5());
-  var ddocId = '_design/' + ddocName;
+  const ddocName = requestDef.ddoc || ('idx-' + getMd5());
+  const ddocId = '_design/' + ddocName;
 
-  var hasInvalidLanguage = false;
-  var viewExists = false;
+  let hasInvalidLanguage = false;
+  let viewExists = false;
 
   function updateDdoc(doc) {
     if (doc._rev && doc.language !== 'query') {

packages/node_modules/pouchdb-find/src/adapters/local/delete-index/index.js

@@ -11,8 +11,8 @@ async function deleteIndex(db, index) {
     throw new Error('you must supply an index.name when deleting');
   }
 
-  var docId = index.ddoc;
-  var viewName = index.name;
+  const docId = index.ddoc;
+  const viewName = index.name;
 
   function deltaFun(doc) {
     if (Object.keys(doc.views).length === 1 && doc.views[viewName]) {

packages/node_modules/pouchdb-find/src/adapters/local/find/index.js

@@ -25,7 +25,7 @@ function indexToSignature(index) {
 }
 
 async function doAllDocs(db, originalOpts) {
-  var opts = clone(originalOpts);
+  const opts = clone(originalOpts);
 
   // CouchDB responds in weird ways when you provide a non-string to _id;
   // we mimic the behavior for consistency. See issue66 tests for details.
@@ -97,14 +97,14 @@ async function find(db, requestDef, explain) {
   const getIndexesRes = await getIndexes(db);
 
   db.constructor.emit('debug', ['find', 'planning query', requestDef]);
-  var queryPlan = planQuery(requestDef, getIndexesRes.indexes);
+  const queryPlan = planQuery(requestDef, getIndexesRes.indexes);
   db.constructor.emit('debug', ['find', 'query plan', queryPlan]);
 
-  var indexToUse = queryPlan.index;
+  const indexToUse = queryPlan.index;
 
   validateSort(requestDef, indexToUse);
 
-  var opts = Object.assign({
+  let opts = Object.assign({
     include_docs: true,
     reduce: false,
     // Add amount of index for doAllDocs to use (related to issue #7810)
@@ -118,7 +118,7 @@ async function find(db, requestDef, explain) {
     return {docs: []};
   }
 
-  var isDescending = requestDef.sort &&
+  const isDescending = requestDef.sort &&
     typeof requestDef.sort[0] !== 'string' &&
     getValue(requestDef.sort[0]) === 'desc';
 
@@ -157,9 +157,9 @@ async function find(db, requestDef, explain) {
     res.rows = filterInMemoryFields(res.rows, requestDef, queryPlan.inMemoryFields);
   }
 
-  var resp = {
+  const resp = {
     docs: res.rows.map(function (row) {
-      var doc = row.doc;
+      const doc = row.doc;
       if (requestDef.fields) {
         return pick(doc, requestDef.fields);
       }