Modularize

Author: cmdcolin

src/block-view.ts

@@ -195,11 +195,8 @@ export class BlockView {
         try {
           const length = range.max - range.min
           const offset = range.min
-          const resultBuffer = await this.featureCache.get(
-            `${length}_${offset}`,
-            { length, offset },
-            opts?.signal,
-          )
+          const resultBuffer = await this.bbi.read(length, offset, opts)
+
           for (const element of offsets) {
             if (range.contains(element)) {
               processRTreeNode(resultBuffer, element - offset, level)
@@ -430,7 +427,7 @@ export class BlockView {
   ) {
     try {
       const { blockType, isCompressed } = this
-      const { signal, request } = opts
+      const { request } = opts
       const blockGroupsToFetch = groupBlocks(blocks)
       await Promise.all(
         blockGroupsToFetch.map(async blockGroup => {

src/types.ts

@@ -67,3 +67,9 @@ export interface RequestOptions2 extends RequestOptions {
   scale?: number
   basesPerSpan?: number
 }
+
+export interface CoordRequest {
+  chrId: number
+  start: number
+  end: number
+}

src/util.ts

@@ -74,3 +74,7 @@ export async function abortBreakPoint(signal?: AbortSignal): Promise<void> {
   await Promise.resolve()
   checkAbortSignal(signal)
 }
+
+export function coordFilter(s1: number, e1: number, s2: number, e2: number) {
+  return s1 < e2 && e1 >= s2
+}