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import { BlockInstance, createBlock } from "@wordpress/blocks"; |
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|
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import { Cell, CellKey, TablebergBlockAttrs } from "../attributes"; |
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|
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/** |
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* JS mirror of renderer/Migrations/TableBlockMigratorV3ToV4.php. |
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* |
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* Converts v3 (faux-block era) table attrs into the v4 native-blocks shape: |
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* slim attrs (no cells/rows) + a real block tree (rows -> cells -> elements). |
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* Used by the table block's deprecated entry, transforms, and the native |
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* edit's safety-net converter. Any v3 shim innerBlocks are discarded — the |
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* attrs are canonical. |
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*/ |
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|
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export const ELEMENT_NAMES = [ |
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"text", |
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"button", |
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"image", |
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"list", |
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"styled-list", |
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"icon", |
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"star-rating", |
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"custom-html", |
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]; |
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|
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export function isV3OrOlder(attrs: Partial<TablebergBlockAttrs>): boolean { |
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return (attrs.version ?? 0) <= 3; |
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} |
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|
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export function toV4Attrs( |
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attrs: Partial<TablebergBlockAttrs> |
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): Partial<TablebergBlockAttrs> { |
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const slim: Record<string, unknown> = { ...attrs }; |
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delete slim.cells; |
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delete slim.rows; |
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slim.version = 4; |
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return slim as Partial<TablebergBlockAttrs>; |
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} |
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|
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/** |
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* Positions covered by a rowSpan/colSpan anchor (excluding the anchor). |
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*/ |
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function computeCoveredPositions( |
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cells: Partial<Record<CellKey, Cell>>, |
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rowsCount: number, |
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colsCount: number |
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): Set<string> { |
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const covered = new Set<string>(); |
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|
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for (const [key, cell] of Object.entries(cells)) { |
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const span = cell?.span; |
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if (!span) { |
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continue; |
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} |
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|
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const [row, col] = key.split(",").map(Number); |
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const rowSpan = Math.max(1, span.rowSpan || 1); |
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const colSpan = Math.max(1, span.colSpan || 1); |
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|
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for (let dr = 0; dr < rowSpan; dr++) { |
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for (let dc = 0; dc < colSpan; dc++) { |
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if (dr === 0 && dc === 0) { |
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continue; |
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} |
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const r = row + dr; |
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const c = col + dc; |
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if (r >= rowsCount || c >= colsCount) { |
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continue; |
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} |
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covered.add(`${r},${c}`); |
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} |
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} |
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} |
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|
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return covered; |
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} |
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|
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function buildCellBlock(cell: Cell): BlockInstance { |
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// Every registered cell attribute must survive migration. `elements` is |
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// the only exception because it becomes the cell's inner block list. |
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const { elements = [], ...cellAttrs } = cell; |
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|
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const elementBlocks: BlockInstance[] = []; |
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for (const element of elements) { |
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if (!element || !ELEMENT_NAMES.includes(element.name)) { |
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continue; |
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} |
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|
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const elementAttrs: Record<string, unknown> = { |
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...(element.attributes ?? {}), |
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}; |
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if (element.bindings && Object.keys(element.bindings).length > 0) { |
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elementAttrs.bindings = element.bindings; |
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} |
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|
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elementBlocks.push( |
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createBlock(`tableberg/${element.name}`, elementAttrs) |
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); |
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} |
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|
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return createBlock("tableberg/cell", cellAttrs, elementBlocks); |
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} |
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|
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/** |
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* Builds the v4 row-block tree from v3 attrs. |
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*/ |
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export function buildRowBlocksFromV3( |
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attrs: Partial<TablebergBlockAttrs> |
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): BlockInstance[] { |
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const rowsCount = attrs.table?.rows ?? 0; |
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const colsCount = attrs.table?.cols ?? 0; |
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const cells = attrs.cells ?? {}; |
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const rowConfigs = attrs.rows ?? []; |
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|
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const covered = computeCoveredPositions(cells, rowsCount, colsCount); |
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|
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const rowBlocks: BlockInstance[] = []; |
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for (let row = 0; row < rowsCount; row++) { |
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const cellBlocks: BlockInstance[] = []; |
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|
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for (let col = 0; col < colsCount; col++) { |
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if (covered.has(`${row},${col}`)) { |
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continue; |
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} |
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|
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const cell = cells[`${row},${col}` as CellKey] ?? {}; |
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cellBlocks.push(buildCellBlock(cell)); |
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} |
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|
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// As with cells, rows can carry Pro-owned and future registered |
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// attributes that this migration must not need to name individually. |
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const rowAttrs = { ...(rowConfigs[row] ?? {}) }; |
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|
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rowBlocks.push(createBlock("tableberg/row", rowAttrs, cellBlocks)); |
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} |
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|
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return rowBlocks; |
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} |
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|
