hook up close block to backend to remove the running process

frontend/app/store/global.ts

@@ -8,6 +8,7 @@ import * as rxjs from "rxjs";
 import type { WailsEvent } from "@wailsio/runtime/types/events";
 import { Events } from "@wailsio/runtime";
 import { produce } from "immer";
+import * as BlockService from "@/bindings/pkg/service/blockservice/BlockService";
 
 const globalStore = jotai.createStore();
 
@@ -95,6 +96,7 @@ function removeBlockFromTab(tabId: string, blockId: string) {
     });
     globalStore.set(atoms.tabsAtom, newTabArr);
     removeBlock(blockId);
+    BlockService.CloseBlock(blockId);
 }
 
 export { globalStore, atoms, getBlockSubject, addBlockIdToTab, blockDataMap, useBlockAtom, removeBlockFromTab };

pkg/blockcontroller/blockcontroller.go

@@ -108,6 +108,15 @@ func CreateBlock(bdef *BlockDef, rtOpts *RuntimeOpts) (*BlockData, error) {
 	return blockData, nil
 }
 
+func CloseBlock(blockId string) {
+	bc := GetBlockController(blockId)
+	if bc == nil {
+		return
+	}
+	bc.Close()
+	close(bc.InputCh)
+}
+
 func GetBlockData(blockId string) *BlockData {
 	globalLock.Lock()
 	defer globalLock.Unlock()
@@ -140,6 +149,12 @@ type RunShellOpts struct {
 	TermSize shellexec.TermSize `json:"termsize,omitempty"`
 }
 
+func (bc *BlockController) Close() {
+	if bc.getShellProc() != nil {
+		bc.ShellProc.Close()
+	}
+}
+
 func (bc *BlockController) DoRunShellCommand(rc *RunShellOpts) error {
 	if bc.getShellProc() != nil {
 		return nil

pkg/service/blockservice/blockservice.go

@@ -34,6 +34,10 @@ func (bs *BlockService) CreateBlock(bdefMap map[string]any, rtOptsMap map[string
 	return rtnMap, nil
 }
 
+func (bs *BlockService) CloseBlock(blockId string) {
+	blockcontroller.CloseBlock(blockId)
+}
+
 func (bs *BlockService) GetBlockData(blockId string) (map[string]any, error) {
 	blockData := blockcontroller.GetBlockData(blockId)
 	if blockData == nil {