Updating everywhere that the combination was done, to make sure it all goes through one location, using a new character to join/split.

packages/frontend-core/src/components/grid/layout/GridRow.svelte

@@ -1,6 +1,7 @@
 <script>
   import { getContext } from "svelte"
   import DataCell from "../cells/DataCell.svelte"
+  import { combineRowId } from "../lib/utils"
 
   export let row
   export let top = false
@@ -38,7 +39,7 @@
   on:click={() => dispatch("rowclick", rows.actions.cleanRow(row))}
 >
   {#each $visibleColumns as column, columnIdx}
-    {@const cellId = `${row._id}-${column.name}`}
+    {@const cellId = combineRowId(row._id, column.name)}
     <DataCell
       {cellId}
       {column}

packages/frontend-core/src/components/grid/layout/NewRow.svelte

@@ -7,6 +7,7 @@
   import { GutterWidth, NewRowID } from "../lib/constants"
   import GutterCell from "../cells/GutterCell.svelte"
   import KeyboardShortcut from "./KeyboardShortcut.svelte"
+  import { combineRowId } from "../lib/utils"
 
   const {
     hoveredRowId,
@@ -70,7 +71,7 @@
 
       // Select the first cell if possible
       if (firstColumn) {
-        $focusedCellId = `${savedRow._id}-${firstColumn.name}`
+        $focusedCellId = combineRowId(savedRow._id, firstColumn.name)
       }
     }
     isAdding = false
@@ -118,7 +119,7 @@
     visible = true
     $hoveredRowId = NewRowID
     if (firstColumn) {
-      $focusedCellId = `${NewRowID}-${firstColumn.name}`
+      $focusedCellId = combineRowId(NewRowID, firstColumn.name)
     }
 
     // Attach key listener
@@ -194,7 +195,7 @@
         {/if}
       </GutterCell>
       {#if $stickyColumn}
-        {@const cellId = `${NewRowID}-${$stickyColumn.name}`}
+        {@const cellId = combineRowId(NewRowID, $stickyColumn.name)}
         <DataCell
           {cellId}
           rowFocused

packages/frontend-core/src/components/grid/layout/StickyColumn.svelte

@@ -8,6 +8,7 @@
   import { GutterWidth, BlankRowID } from "../lib/constants"
   import GutterCell from "../cells/GutterCell.svelte"
   import KeyboardShortcut from "./KeyboardShortcut.svelte"
+  import { combineRowId } from "../lib/utils"
 
   const {
     rows,
@@ -71,7 +72,7 @@
         {@const rowSelected = !!$selectedRows[row._id]}
         {@const rowHovered = $hoveredRowId === row._id}
         {@const rowFocused = $focusedRow?._id === row._id}
-        {@const cellId = `${row._id}-${$stickyColumn?.name}`}
+        {@const cellId = combineRowId(row._id, $stickyColumn?.name)}
         <div
           class="row"
           on:mouseenter={$isDragging ? null : () => ($hoveredRowId = row._id)}

packages/frontend-core/src/components/grid/lib/utils.js

@@ -1,5 +1,20 @@
 import { TypeIconMap } from "../../../constants"
 
+const JOINING_CHARACTER = "——"
+
+export const splitRowId = rowId => {
+  if (!rowId) {
+    return undefined
+  }
+  const parts = rowId.split(JOINING_CHARACTER)
+  const field = parts.pop()
+  return { id: parts.join(JOINING_CHARACTER), field }
+}
+
+export const combineRowId = (rowId, fieldName) => {
+  return `${rowId}${JOINING_CHARACTER}${fieldName}`
+}
+
 export const getColor = (idx, opacity = 0.3) => {
   if (idx == null || idx === -1) {
     idx = 0

packages/frontend-core/src/components/grid/overlays/KeyboardManager.svelte

@@ -2,6 +2,7 @@
   import { getContext, onMount } from "svelte"
   import { debounce } from "../../../utils/utils"
   import { NewRowID } from "../lib/constants"
+  import { combineRowId, splitRowId } from "../lib/utils"
 
   const {
     rows,
@@ -154,7 +155,7 @@
     if (!firstColumn) {
       return
     }
-    focusedCellId.set(`${firstRow._id}-${firstColumn.name}`)
+    focusedCellId.set(combineRowId(firstRow._id, firstColumn.name))
   }
 
   // Changes the focused cell by moving it left or right to a different column
@@ -163,8 +164,7 @@
       return
     }
     const cols = $visibleColumns
-    const split = $focusedCellId.split("-")
-    const columnName = split[1]
+    const { id, field: columnName } = splitRowId($focusedCellId)
     let newColumnName
     if (columnName === $stickyColumn?.name) {
       const index = delta - 1
@@ -178,7 +178,7 @@
       }
     }
     if (newColumnName) {
-      $focusedCellId = `${split[0]}-${newColumnName}`
+      $focusedCellId = combineRowId(id, newColumnName)
     }
   }
 
@@ -189,8 +189,8 @@
     }
     const newRow = $rows[$focusedRow.__idx + delta]
     if (newRow) {
-      const split = $focusedCellId.split("-")
-      $focusedCellId = `${newRow._id}-${split[1]}`
+      const { field } = splitRowId($focusedCellId)
+      $focusedCellId = combineRowId(newRow._id, field)
     }
   }
 

packages/frontend-core/src/components/grid/overlays/MenuOverlay.svelte

@@ -3,6 +3,7 @@
   import { getContext } from "svelte"
   import { NewRowID } from "../lib/constants"
   import GridPopover from "./GridPopover.svelte"
+  import { combineRowId } from "../lib/utils"
 
   const {
     focusedRow,
@@ -41,7 +42,7 @@
     const newRow = await rows.actions.duplicateRow($focusedRow)
     if (newRow) {
       const column = $stickyColumn?.name || $columns[0].name
-      $focusedCellId = `${newRow._id}-${column}`
+      $focusedCellId = combineRowId(newRow._id, column)
     }
   }
 

packages/frontend-core/src/components/grid/stores/rows.js

@@ -1,6 +1,7 @@
 import { writable, derived, get } from "svelte/store"
 import { fetchData } from "../../../fetch"
 import { NewRowID, RowPageSize } from "../lib/constants"
+import { combineRowId, splitRowId } from "../lib/utils"
 import { tick } from "svelte"
 import { Helpers } from "@budibase/bbui"
 
@@ -206,7 +207,7 @@ export const createActions = context => {
     // If the server doesn't reply with a valid error, assume that the source
     // of the error is the focused cell's column
     if (!error?.json?.validationErrors && errorString) {
-      const focusedColumn = get(focusedCellId)?.split("-")[1]
+      const { field: focusedColumn } = splitRowId(get(focusedCellId))
       if (focusedColumn) {
         error = {
           json: {
@@ -245,7 +246,7 @@ export const createActions = context => {
         }
         // Set error against the cell
         validation.actions.setError(
-          `${rowId}-${column}`,
+          combineRowId(rowId, column),
           Helpers.capitalise(err)
         )
         // Ensure the column is visible
@@ -265,7 +266,7 @@ export const createActions = context => {
 
       // Focus the first cell with an error
       if (erroredColumns.length) {
-        focusedCellId.set(`${rowId}-${erroredColumns[0]}`)
+        focusedCellId.set(combineRowId(rowId, erroredColumns[0]))
       }
     } else {
       get(notifications).error(errorString || "An unknown error occurred")
@@ -571,9 +572,10 @@ export const initialise = context => {
       return
     }
     // Stop if we changed row
-    const oldRowId = id.split("-")[0]
-    const oldColumn = id.split("-")[1]
-    const newRowId = get(focusedCellId)?.split("-")[0]
+    const split = splitRowId(id)
+    const oldRowId = split.id
+    const oldColumn = split.field
+    const { id: newRowId } = splitRowId(get(focusedCellId))
     if (oldRowId !== newRowId) {
       return
     }

packages/frontend-core/src/components/grid/stores/scroll.js

@@ -1,6 +1,7 @@
 import { writable, derived, get } from "svelte/store"
 import { tick } from "svelte"
 import { Padding, GutterWidth, FocusedCellMinOffset } from "../lib/constants"
+import { splitRowId } from "../lib/utils"
 
 export const createStores = () => {
   const scroll = writable({
@@ -176,7 +177,7 @@ export const initialise = context => {
     // Ensure horizontal position is viewable
     // Check horizontal position of columns next
     const $visibleColumns = get(visibleColumns)
-    const columnName = $focusedCellId?.split("-")[1]
+    const { field: columnName } = splitRowId($focusedCellId)
     const column = $visibleColumns.find(col => col.name === columnName)
     if (!column) {
       return

packages/frontend-core/src/components/grid/stores/ui.js

@@ -7,15 +7,7 @@ import {
   MediumRowHeight,
   NewRowID,
 } from "../lib/constants"
-
-function splitRowId(rowId) {
-  if (!rowId) {
-    return undefined
-  }
-  const parts = rowId.split("-")
-  const field = parts.pop()
-  return { id: parts.join("-"), field }
-}
+import { splitRowId } from "../lib/utils"
 
 export const createStores = context => {
   const { props } = context

packages/frontend-core/src/components/grid/stores/validation.js

@@ -1,4 +1,5 @@
 import { writable, get, derived } from "svelte/store"
+import { combineRowId, splitRowId } from "../lib/utils"
 
 // Normally we would break out actions into the explicit "createActions"
 // function, but for validation all these actions are pure so can go into
@@ -12,7 +13,7 @@ export const createStores = () => {
     Object.entries($validation).forEach(([key, error]) => {
       // Extract row ID from all errored cell IDs
       if (error) {
-        map[key.split("-")[0]] = true
+        map[splitRowId(key).id] = true
       }
     })
     return map
@@ -53,10 +54,10 @@ export const initialise = context => {
       const $stickyColumn = get(stickyColumn)
       validation.update(state => {
         $columns.forEach(column => {
-          state[`${id}-${column.name}`] = null
+          state[combineRowId(id, column.name)] = null
         })
         if ($stickyColumn) {
-          state[`${id}-${$stickyColumn.name}`] = null
+          state[combineRowId(id, stickyColumn.name)] = null
         }
         return state
       })