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This commit is contained in:
Knut Sveidqvist
2025-08-09 19:07:44 +02:00
parent f8d66e2faa
commit 1744c82795
1 changed files with 33 additions and 0 deletions
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33
packages/mermaid/src/diagrams/flowchart/parser/flowParser.ts
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@@ -766,6 +766,7 @@ class LezerFlowParser {
tokenType === 'END' ||
tokenType === 'STYLE' ||
tokenType === 'CLASS' ||
tokenType === 'LINK_TARGET' ||
tokenType === 'CLASSDEF' ||
tokenType === 'CLICK' ||
tokenType === 'HREF' ||
@@ -3793,6 +3794,38 @@ class LezerFlowParser {
return this.parsePipeDelimitedText(tokens, startIndex, firstArrow);
}
// Special-case: dotted labelled simple edge like: A -. Label .- B (length 1..)
// After firstArrow ('-.'), expect: LABEL (NODE_STRING), CLOSING LINK ('.-','..-','...-'), TARGET (Identifier/NODE_STRING/DIR)
if (
firstArrow === '-.' &&
i + 2 < tokens.length &&
tokens[i].type === 'NODE_STRING' &&
tokens[i + 1].type === 'LINK' &&
/^(\.+)-$/.test(tokens[i + 1].value) &&
(tokens[i + 2].type === 'Identifier' ||
tokens[i + 2].type === 'NODE_STRING' ||
tokens[i + 2].type === 'DIR')
) {
const labelToken = tokens[i];
const closingLink = tokens[i + 1].value; // e.g., '.-', '..-', '...-'
const targetToken = tokens[i + 2];
const dotCount = (closingLink.match(/\./g) || []).length; // 1..N
const targetId = targetToken.value;
i = i + 3; // consume label, closing link, and target
const arrowCanonical = `-${'.'.repeat(dotCount)}-`;
return {
arrow: arrowCanonical,
targetId,
text: labelToken.value,
type: 'arrow_open',
stroke: 'dotted',
length: dotCount,
nextIndex: i,
};
}
// Simple arrow pattern: A --> B (but B might be a shaped vertex like B(text))
if (
i >= tokens.length ||