82 lines
1.8 KiB
TypeScript
82 lines
1.8 KiB
TypeScript
import * as configApi from '../../config.js';
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import common from '../common/common.js';
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import {
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setAccTitle,
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getAccTitle,
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getAccDescription,
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setAccDescription,
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setDiagramTitle,
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getDiagramTitle,
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clear as commonClear,
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} from '../../commonDb.js';
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// Sankey diagram represented by nodes and links between those nodes
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let links: SankeyLink[] = [];
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// Array of nodes guarantees their order
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let nodes: SankeyNode[] = [];
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// We also have to track nodes uniqueness (by ID)
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let nodesMap: Record<string, SankeyNode> = {};
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const clear = (): void => {
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links = [];
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nodes = [];
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nodesMap = {};
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commonClear();
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};
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class SankeyLink {
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constructor(public source: SankeyNode, public target: SankeyNode, public value: number = 0) {}
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}
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/**
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* @param source - Node where the link starts
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* @param target - Node where the link ends
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* @param value - Describes the amount to be passed
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*/
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const addLink = (source: SankeyNode, target: SankeyNode, value: number): void => {
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links.push(new SankeyLink(source, target, value));
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};
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class SankeyNode {
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constructor(public ID: string) {}
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}
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const findOrCreateNode = (ID: string): SankeyNode => {
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ID = common.sanitizeText(ID, configApi.getConfig());
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if (!nodesMap[ID]) {
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nodesMap[ID] = new SankeyNode(ID);
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nodes.push(nodesMap[ID]);
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}
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return nodesMap[ID];
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};
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const getNodes = () => nodes;
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const getLinks = () => links;
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const getGraph = () => ({
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nodes: nodes.map((node) => ({ id: node.ID })),
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links: links.map((link) => ({
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source: link.source.ID,
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target: link.target.ID,
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value: link.value,
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})),
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});
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export default {
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nodesMap,
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getConfig: () => configApi.getConfig().sankey,
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getNodes,
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getLinks,
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getGraph,
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addLink,
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findOrCreateNode,
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getAccTitle,
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setAccTitle,
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getAccDescription,
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setAccDescription,
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getDiagramTitle,
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setDiagramTitle,
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clear,
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};
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