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fix: fixed reverse arrows placing for autonumber

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on-behalf-of: @Mermaid-Chart <hello@mermaidchart.com>
This commit is contained in:
omkarht
2025-08-22 16:46:49 +05:30
parent 39f90debe7
commit 1988d24227
2 changed files with 25 additions and 10 deletions
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31
packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts
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@@ -307,14 +307,15 @@ const drawCentralConnection = function (
}; };
if (msg.centralConnection === diagObj.db.LINETYPE.CENTRAL_CONNECTION) { if (msg.centralConnection === diagObj.db.LINETYPE.CENTRAL_CONNECTION) {
const cx = isArrowToRight ? stopx + 8 : stopx - 8; const cx = isArrowToRight ? stopx + 5 : stopx - 8;
drawCircle(cx);
} else if (msg.centralConnection === diagObj.db.LINETYPE.CENTRAL_CONNECTION_REVERSE) {
const cx = isArrowToRight ? startx - 5 : stopx + 8;
drawCircle(cx); drawCircle(cx);
} else if (msg.centralConnection === diagObj.db.LINETYPE.CENTRAL_CONNECTION_DUAL) { } else if (msg.centralConnection === diagObj.db.LINETYPE.CENTRAL_CONNECTION_DUAL) {
const offset = isArrowToRight ? 8 : -8; const offset = isArrowToRight ? 5 : -5;
drawCircle(stopx + offset); drawCircle(stopx + offset);
drawCircle(startx - 2.75); // second circle (near start) drawCircle(startx - offset);
} else {
drawCircle(startx - 2.75);
} }
}; };
@@ -573,7 +574,18 @@ const drawMessage = async function (diagram, msgModel, lineStartY: number, diagO
type === diagObj.db.LINETYPE.BIDIRECTIONAL_SOLID || type === diagObj.db.LINETYPE.BIDIRECTIONAL_SOLID ||
type === diagObj.db.LINETYPE.BIDIRECTIONAL_DOTTED; type === diagObj.db.LINETYPE.BIDIRECTIONAL_DOTTED;
if (isBidirectional) { const isReverseArrowType =
type === diagObj.db.LINETYPE.SOLID_ARROW_TOP_REVERSE ||
type === diagObj.db.LINETYPE.SOLID_ARROW_TOP_REVERSE_DOTTED ||
type === diagObj.db.LINETYPE.SOLID_ARROW_BOTTOM_REVERSE ||
type === diagObj.db.LINETYPE.SOLID_ARROW_BOTTOM_REVERSE_DOTTED ||
type === diagObj.db.LINETYPE.STICK_ARROW_TOP_REVERSE ||
type === diagObj.db.LINETYPE.STICK_ARROW_TOP_REVERSE_DOTTED ||
type === diagObj.db.LINETYPE.STICK_ARROW_BOTTOM_REVERSE ||
type === diagObj.db.LINETYPE.STICK_ARROW_BOTTOM_REVERSE_DOTTED;
let x = 0;
if (isBidirectional || isReverseArrowType) {
const SEQUENCE_NUMBER_RADIUS = 6; const SEQUENCE_NUMBER_RADIUS = 6;
if (startx < stopx) { if (startx < stopx) {
@@ -581,6 +593,7 @@ const drawMessage = async function (diagram, msgModel, lineStartY: number, diagO
} else { } else {
line.attr('x1', startx + SEQUENCE_NUMBER_RADIUS); line.attr('x1', startx + SEQUENCE_NUMBER_RADIUS);
} }
x = 3.5;
} }
diagram diagram
@@ -590,7 +603,8 @@ const drawMessage = async function (diagram, msgModel, lineStartY: number, diagO
.attr('x2', startx) .attr('x2', startx)
.attr('y2', lineStartY) .attr('y2', lineStartY)
.attr('stroke-width', 0) .attr('stroke-width', 0)
.attr('marker-start', 'url(' + url + '#sequencenumber)'); .attr('marker-start', 'url(' + url + '#sequencenumber)')
.attr('transform', `translate(-${x}, 0)`);
diagram diagram
.append('text') .append('text')
@@ -600,7 +614,8 @@ const drawMessage = async function (diagram, msgModel, lineStartY: number, diagO
.attr('font-size', '12px') .attr('font-size', '12px')
.attr('text-anchor', 'middle') .attr('text-anchor', 'middle')
.attr('class', 'sequenceNumber') .attr('class', 'sequenceNumber')
.text(sequenceIndex); .text(sequenceIndex)
.attr('transform', `translate(-${x}, 0)`);
} }
}; };