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perf(er): pre-calculcate er UUID namespace

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Pre-calculate the entity-relationship diagram namespace UUID.

This UUID is always constant, so we can pre-calculate it to save a
bit of processing power on the client.

Co-authored-by: "Ashley Engelund (weedySeaDragon @ github)" <ashley.engelund@gmail.com>
Co-authored-by: Sidharth Vinod <sidharthv96@gmail.com>
This commit is contained in:
Alois Klink
2022-12-15 20:20:04 +00:00
parent ac5a1b4501
commit 7855edae6b
1 changed files with 14 additions and 5 deletions
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19
packages/mermaid/src/diagrams/er/erRenderer.js
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@@ -643,11 +643,20 @@ export const draw = function (text, id, _version, diagObj) {
svg.attr('viewBox', `${svgBounds.x - padding} ${svgBounds.y - padding} ${width} ${height}`); svg.attr('viewBox', `${svgBounds.x - padding} ${svgBounds.y - padding} ${width} ${height}`);
}; // draw }; // draw
/** UUID namespace for ER diagram IDs */ /**
const MERMAID_ERDIAGRAM_UUID = uuid5( * UUID namespace for ER diagram IDs
'https://mermaid-js.github.io/mermaid/syntax/entityRelationshipDiagram.html', *
uuid5.URL * This can be generated via running:
); *
* ```js
* const { v5: uuid5 } = await import('uuid');
* uuid5(
* 'https://mermaid-js.github.io/mermaid/syntax/entityRelationshipDiagram.html',
* uuid5.URL
* );
* ```
*/
const MERMAID_ERDIAGRAM_UUID = '28e9f9db-3c8d-5aa5-9faf-44286ae5937c';
/** /**
* Return a unique id based on the given string. Start with the prefix, then a hyphen, then the * Return a unique id based on the given string. Start with the prefix, then a hyphen, then the