Breakpoint operations

1 operation, breakpoints.update. It runs in a batch through apply_ops, dry_run_ops, the CLI or the admin.

Updated10/26/2026

Operation	What it does	Permission	Confirmation
breakpoints.update	breakpoints.update with validated settings and revisioned undo.	breakpoints.edit	none

breakpoints.update

breakpoints.update with validated settings and revisioned undo.

permission: breakpoints.editwrites: settingsclass: transactionundo: yes

Example input

{
  "before": [
    {
      "id": "base",
      "label": "Base"
    },
    {
      "id": "sm",
      "label": "Phone landscape",
      "minWidth": 480
    },
    {
      "id": "md",
      "label": "Tablet",
      "minWidth": 768
    },
    {
      "id": "lg",
      "label": "Desktop",
      "minWidth": 1024
    },
    {
      "id": "xl",
      "label": "Wide",
      "minWidth": 1440
    }
  ],
  "styleBreakpoints": [
    {
      "id": "base",
      "label": "Base"
    },
    {
      "id": "sm",
      "label": "Phone landscape",
      "minWidth": 480
    },
    {
      "id": "md",
      "label": "Tablet",
      "minWidth": 768
    },
    {
      "id": "lg",
      "label": "Desktop",
      "minWidth": 1024
    },
    {
      "id": "xl",
      "label": "Wide",
      "minWidth": 1600
    }
  ]
}

Input

Field	Type	Required	Notes
styleBreakpoints	array of object	yes
styleBreakpoints[].id	string	yes
styleBreakpoints[].label	string	yes	At least 1 character.
styleBreakpoints[].minWidth	integer	no	More than 0.
styleBreakpoints[].maxWidth	integer	no	More than 0.
styleBreakpoints[].condition	object \| object \| object \| object \| object \| object \| object \| object	no
before	array of object	yes
before[].id	string	yes
before[].label	string	yes	At least 1 character.
before[].minWidth	integer	no	More than 0.
before[].maxWidth	integer	no	More than 0.
before[].condition	object \| object \| object \| object \| object \| object \| object \| object	no

Output

Field	Type	Required	Notes
settings	record of any JSON	yes

Try it

yarn splash breakpoints.update '{"before":[{"id":"base","label":"Base"},{"id":"sm","label":"Phone landscape","minWidth":480},{"id":"md","label":"Tablet","minWidth":768},{"id":"lg","label":"Desktop","minWidth":1024},{"id":"xl","label":"Wide","minWidth":1440}],"styleBreakpoints":[{"id":"base","label":"Base"},{"id":"sm","label":"Phone landscape","minWidth":480},{"id":"md","label":"Tablet","minWidth":768},{"id":"lg","label":"Desktop","minWidth":1024},{"id":"xl","label":"Wide","minWidth":1600}]}' --dry-run

Generated from the operation registry and the MCP tool catalogue (source a493da2be7522ebc).

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