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thebassplayer1234 merged 2 commits into from
Jul 15, 2026
Merged

Add support for cell margins (w:tcMar) in Cell #81

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6bb5376
Add support for cell margins (w:tcMar) in Cell component and tests
Thebassplayer Jul 6, 2026
0896d87
Apply Luis requested changes
Thebassplayer Jul 14, 2026
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6 changes: 6 additions & 0 deletions lib/components/document/src/Cell.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -266,6 +266,12 @@ export class Cell extends Component<CellProps, CellChild> {
"insideH": docxml:ct-border(${QNS.w}insideH),
"insideV": docxml:ct-border(${QNS.w}insideV)
},
"margin": ./${QNS.w}tcPr/${QNS.w}tcMar/map {
"top": docxml:length(${QNS.w}top/@${QNS.w}w, 'twip'),
"start": docxml:length((${QNS.w}start|${QNS.w}left)[1]/@${QNS.w}w, 'twip'),
"bottom": docxml:length(${QNS.w}bottom/@${QNS.w}w, 'twip'),
"end": docxml:length((${QNS.w}end|${QNS.w}right)[1]/@${QNS.w}w, 'twip')
},
"verticalAlignment": ./${QNS.w}tcPr/${QNS.w}vAlign/@${QNS.w}val/string(),
"insertion": ./${QNS.w}tcPr/${QNS.w}cellIns/map {
"id": @${QNS.w}id/number(),
Expand Down
53 changes: 53 additions & 0 deletions lib/components/document/test/Cell.test.ts
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Expand Up @@ -86,6 +86,59 @@ describe('Cell', () => {
});
});

describe('Cell - tcMar (per-cell margins)', () => {
const dom = create(`<w:tbl xmlns:w="${NamespaceUri.w}">
<w:tr>
<w:tc xid="modern">
<w:tcPr>
<w:tcMar>
<w:top w:w="28" w:type="dxa"/>
<w:start w:w="14" w:type="dxa"/>
<w:bottom w:w="28" w:type="dxa"/>
<w:end w:w="14" w:type="dxa"/>
</w:tcMar>
</w:tcPr>
<w:p/>
</w:tc>
<w:tc xid="legacy">
<w:tcPr>
<w:tcMar>
<w:left w:w="14" w:type="dxa"/>
<w:right w:w="14" w:type="dxa"/>
</w:tcMar>
</w:tcPr>
<w:p/>
</w:tc>
</w:tr>
</w:tbl>`);

describe('modern start/end', () => {
const cell = Cell.fromNode(
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
evaluateXPathToFirstNode('.//*[@xid="modern"]', dom)!,
emptyContext
);
it('parses all four sides', () => {
expect(cell?.props.margin?.top?.twip).toBe(28);
expect(cell?.props.margin?.start?.twip).toBe(14);
expect(cell?.props.margin?.bottom?.twip).toBe(28);
expect(cell?.props.margin?.end?.twip).toBe(14);
});
});

describe('legacy left/right', () => {
const cell = Cell.fromNode(
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
evaluateXPathToFirstNode('.//*[@xid="legacy"]', dom)!,
emptyContext
);
it('maps left/right onto start/end', () => {
expect(cell?.props.margin?.start?.twip).toBe(14);
expect(cell?.props.margin?.end?.twip).toBe(14);
});
});
});

describe('Cell - with colspan', () => {
const tableNode = create(`
<w:tbl xmlns:w="${NamespaceUri.w}">
Expand Down
66 changes: 63 additions & 3 deletions lib/properties/src/table-cell-properties.ts
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Expand Up @@ -45,6 +45,26 @@ export type TableCellProperties = {
*/
tr2bl?: null | Border<LineBorderType>;
};
/**
* The margins (internal padding) of this cell, overriding the table-level
* default cell margins (`w:tblCellMar`). Corresponds to `w:tcMar` in OOXML.
*
* Each side is a {@link Length}. Omitted sides fall back to the table default.
*/
margin?: null | {
top?: null | Length;

@luiisgallego luiisgallego Jul 14, 2026

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Documentation?

@thebassplayer1234 thebassplayer1234 Jul 14, 2026

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The documentation for this prop is in line 48 to 53

/**
* The leading (left, in left-to-right) margin. Serialized as `w:start`;
* both `w:start` and the legacy `w:left` are accepted when reading.
*/
start?: null | Length;
bottom?: null | Length;

@luiisgallego luiisgallego Jul 14, 2026

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Documentation?

@thebassplayer1234 thebassplayer1234 Jul 14, 2026

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The documentation for this prop is in line 48 to 53

/**
* The trailing (right, in left-to-right) margin. Serialized as `w:end`;
* both `w:end` and the legacy `w:right` are accepted when reading.
*/
end?: null | Length;
};
/**
* The vertical alignment of this cell.
*/
Expand Down Expand Up @@ -127,6 +147,12 @@ export function tableCellPropertiesFromNode(
"insideH": docxml:ct-border(${QNS.w}insideH),
"insideV": docxml:ct-border(${QNS.w}insideV)
},
"margin": ./${QNS.w}tcMar/map {
"top": docxml:length(${QNS.w}top/@${QNS.w}w, 'twip'),
"start": docxml:length((${QNS.w}start|${QNS.w}left)[1]/@${QNS.w}w, 'twip'),
"bottom": docxml:length(${QNS.w}bottom/@${QNS.w}w, 'twip'),
"end": docxml:length((${QNS.w}end|${QNS.w}right)[1]/@${QNS.w}w, 'twip')
},
"verticalAlignment": ./${QNS.w}vAlign/@${QNS.w}val/string(),
"insertion": ./${QNS.w}cellIns/map {
"id": @${QNS.w}id/number(),
Expand All @@ -147,7 +173,7 @@ export function tableCellPropertiesFromNode(
}
`,
node
)
)
: {};

if (props.change) {
Expand Down Expand Up @@ -218,6 +244,24 @@ export function tableCellPropertiesToNode(
docxml:ct-border(fn:QName("${NamespaceUri.w}", "insideH"), $borders('insideH')),
docxml:ct-border(fn:QName("${NamespaceUri.w}", "insideV"), $borders('insideV'))
} else (),
if (exists($margin)) then element ${QNS.w}tcMar {
if (exists($margin('top'))) then element ${QNS.w}top {
attribute ${QNS.w}w { $margin('top') },
attribute ${QNS.w}type { "dxa" }
} else (),
if (exists($margin('start'))) then element ${QNS.w}start {
attribute ${QNS.w}w { $margin('start') },
attribute ${QNS.w}type { "dxa" }
} else (),
if (exists($margin('bottom'))) then element ${QNS.w}bottom {
attribute ${QNS.w}w { $margin('bottom') },
attribute ${QNS.w}type { "dxa" }
} else (),
if (exists($margin('end'))) then element ${QNS.w}end {
attribute ${QNS.w}w { $margin('end') },
attribute ${QNS.w}type { "dxa" }
} else ()
} else (),
if (exists($verticalAlignment)) then element ${QNS.w}vAlign {
attribute ${QNS.w}val { $verticalAlignment }
} else (),
Expand Down Expand Up @@ -247,7 +291,23 @@ export function tableCellPropertiesToNode(
tl2br: null,
tr2bl: null,
...tcpr.borders,
}
}
: null,
margin: tcpr.margin
? {
top: tcpr.margin.top
? Math.round(tcpr.margin.top.twip)
: null,
start: tcpr.margin.start
? Math.round(tcpr.margin.start.twip)
: null,
bottom: tcpr.margin.bottom
? Math.round(tcpr.margin.bottom.twip)
: null,
end: tcpr.margin.end
? Math.round(tcpr.margin.end.twip)
: null,
}
: null,
verticalAlignment: tcpr.verticalAlignment || null,
change: tcpr.change
Expand All @@ -260,7 +320,7 @@ export function tableCellPropertiesToNode(
? new Date(tcpr.change.date).toISOString()
: undefined,
node: tableCellPropertiesToNode(tcpr.change, true),
}
}
: null,
insertion: tcpr.insertion
? new CellInsertion(tcpr.insertion).toNode()
Expand Down
40 changes: 40 additions & 0 deletions lib/properties/test/table-cell-properties.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -199,6 +199,46 @@ describe('Table cell formatting', () => {
});
});

describe('Table cell margins (w:tcMar)', () => {
test(
`<w:tcPr ${ALL_NAMESPACE_DECLARATIONS}>
<w:tcMar>
<w:top w:w="28" w:type="dxa"/>
<w:start w:w="14" w:type="dxa"/>
<w:bottom w:w="28" w:type="dxa"/>
<w:end w:w="14" w:type="dxa"/>
</w:tcMar>
</w:tcPr>`,
{
margin: {
top: twip(28),
start: twip(14),
bottom: twip(28),
end: twip(14),
},
}
);

describe('Legacy "left"/"right"', () => {
test(
`<w:tcPr ${ALL_NAMESPACE_DECLARATIONS}>
<w:tcMar>
<w:left w:w="14" w:type="dxa"/>
<w:right w:w="14" w:type="dxa"/>
</w:tcMar>
</w:tcPr>`,
{
margin: {
top: null,
start: twip(14),
bottom: null,
end: twip(14),
},
}
);
});
});

describe('Table cell insertion', () => {
const date = new Date();
test(
Expand Down