17 lines
996 B
JavaScript
17 lines
996 B
JavaScript
import { KeyValuePair, Name, Label, Identifier, Literal, Edge, Node, DirectedEdge, Relationship } from '../src/query/types.js'
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export const keyValuePair = ([k, v]) => new KeyValuePair(new Name(new Identifier(k)), new Literal(v))
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export const graphObject = (name, label, props = [], Type = Node) => new Type(
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name && new Name(new Identifier(name)),
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new Label(new Identifier(label)),
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props.map(keyValuePair)
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)
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export const makeNode = graphObject
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export const makeEdge = (name, label, props = []) => graphObject(name, label, props, Edge)
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export const makeDirectedEdge = (name, label, direction, props = []) => DirectedEdge.fromEdge(makeEdge(name, label, props), direction)
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export const makeLeftEdge = (name, label, props = []) => DirectedEdge.fromEdge(makeEdge(name, label, props), 0)
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export const makeRightEdge = (name, label, props = []) => DirectedEdge.fromEdge(makeEdge(name, label, props), 1)
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export const makeRelationship = (from, edge, to) => new Relationship(from, edge, to)
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