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feat: create
sankey
parser and integrate sankey
parser into `merm…
…aid` package
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packages/mermaid/src/diagrams/sankey/parser/sankey.spec.ts
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@@ -0,0 +1,16 @@ | ||
import { parser } from './sankeyParser.js'; | ||
import { db } from './sankeyDB.js'; | ||
import * as fs from 'fs'; | ||
import * as path from 'path'; | ||
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describe('sankey', () => { | ||
beforeEach(() => db.clear()); | ||
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it('should parse csv', () => { | ||
const csv = path.resolve(__dirname, './parser/energy.csv'); | ||
const data = fs.readFileSync(csv, 'utf8'); | ||
const graphDefinition = 'sankey-beta\n\n ' + data; | ||
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parser.parse(graphDefinition); | ||
}); | ||
}); |
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Original file line number | Diff line number | Diff line change |
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@@ -1,20 +1,22 @@ | ||
import type { DiagramDetector, ExternalDiagramDefinition } from '../../diagram-api/types.js'; | ||
import type { | ||
DiagramDetector, | ||
DiagramLoader, | ||
ExternalDiagramDefinition, | ||
} from '../../diagram-api/types.js'; | ||
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const id = 'sankey'; | ||
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const detector: DiagramDetector = (txt) => { | ||
return /^\s*sankey-beta/.test(txt); | ||
}; | ||
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const loader = async () => { | ||
const loader: DiagramLoader = async () => { | ||
const { diagram } = await import('./sankeyDiagram.js'); | ||
return { id, diagram }; | ||
}; | ||
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const plugin: ExternalDiagramDefinition = { | ||
export const sankey: ExternalDiagramDefinition = { | ||
id, | ||
detector, | ||
loader, | ||
}; | ||
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export default plugin; |
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import type { Sankey, SankeyLink } from 'mermaid-parser'; | ||
import { parse } from 'mermaid-parser'; | ||
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import { log } from '../../logger.js'; | ||
import type { ParserDefinition } from '../../diagram-api/types.js'; | ||
import { populateCommonDb } from '../common/populateCommonDb.js'; | ||
import type { SankeyDB } from './sankeyTypes.js'; | ||
import { db } from './sankeyDB.js'; | ||
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function populateDb(ast: Sankey, db: SankeyDB) { | ||
populateCommonDb(ast, db); | ||
ast.links.forEach((link: SankeyLink) => { | ||
db.addLink(link); | ||
}); | ||
ast.nodes.forEach((node: string) => { | ||
db.addNode(node); | ||
}); | ||
} | ||
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export const parser: ParserDefinition = { | ||
parse: (input: string): void => { | ||
const ast: Sankey = parse('sankey', input); | ||
log.debug(ast); | ||
populateDb(ast, db); | ||
}, | ||
}; |
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