Improve efficiency of the dependency graph (56% speed-up)

.gitignore

@@ -17,6 +17,7 @@
 /test-jest/
 node_modules/
 /typings/
+/storage/
 
 *.iml
 dev*.html

CHANGELOG.md

@@ -15,6 +15,7 @@ and this project adheres to
 ### Changed
 
 - Improve efficiency of the default date/time parsing methods. [#876](https://github.com/handsontable/hyperformula/issues/876)
+- Improve efficiency of the operations on the dependency graph. [#876](https://github.com/handsontable/hyperformula/issues/876)
 
 ### Fixed
 

src/BuildEngineFactory.ts

@@ -86,7 +86,7 @@ export class BuildEngineFactory {
           throw new SheetSizeLimitExceededError()
         }
         const sheetId = sheetMapping.addSheet(sheetName)
-        addressMapping.autoAddSheet(sheetId, sheet, boundaries)
+        addressMapping.autoAddSheet(sheetId, boundaries)
       }
     }
 

src/DateTimeDefault.ts

@@ -125,8 +125,8 @@ function defaultParseToTime(timeItems: string[], timeFormat: Maybe<string>): May
   }
 
   const hours = ampm !== undefined
-  ? hoursParsed % 12 + (ampm ? 12 : 0)
-  : hoursParsed
+    ? hoursParsed % 12 + (ampm ? 12 : 0)
+    : hoursParsed
 
   return { hours, minutes, seconds }
 }

src/DependencyGraph/AddressMapping/AddressMapping.ts

@@ -61,7 +61,7 @@ export class AddressMapping {
     this.mapping.set(sheetId, strategy)
   }
 
-  public autoAddSheet(sheetId: number, sheet: Sheet, sheetBoundaries: SheetBoundaries) {
+  public autoAddSheet(sheetId: number, sheetBoundaries: SheetBoundaries) {
     const {height, width, fill} = sheetBoundaries
     const strategyConstructor = this.policy.call(fill)
     this.addSheet(sheetId, new strategyConstructor(width, height))