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bot/apps/builder/components/analytics/graph/Edges/Edge.tsx

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2022-01-03 17:39:59 +01:00
import { Block } from 'bot-engine'
import { StepWithTarget } from 'components/board/graph/Edges/Edge'
import { useAnalyticsGraph } from 'contexts/AnalyticsGraphProvider'
import React, { useMemo } from 'react'
import {
getAnchorsPosition,
computeFlowChartConnectorPath,
} from 'services/graph'
export const Edge = ({ step }: { step: StepWithTarget }) => {
const { typebot } = useAnalyticsGraph()
const { blocks, startBlock } = typebot ?? {}
const { sourceBlock, targetBlock, targetStepIndex } = useMemo(() => {
const targetBlock = blocks?.find(
(b) => b?.id === step.target.blockId
) as Block
const targetStepIndex = step.target.stepId
? targetBlock.steps.findIndex((s) => s.id === step.target.stepId)
: undefined
return {
sourceBlock: [startBlock, ...(blocks ?? [])].find(
(b) => b?.id === step.blockId
),
targetBlock,
targetStepIndex,
}
}, [
blocks,
startBlock,
step.blockId,
step.target.blockId,
step.target.stepId,
])
const path = useMemo(() => {
if (!sourceBlock || !targetBlock) return ``
const anchorsPosition = getAnchorsPosition(
sourceBlock,
targetBlock,
sourceBlock.steps.findIndex((s) => s.id === step.id),
targetStepIndex
)
return computeFlowChartConnectorPath(anchorsPosition)
}, [sourceBlock, step.id, targetBlock, targetStepIndex])
return (
<path
d={path}
stroke={'#718096'}
strokeWidth="2px"
markerEnd="url(#arrow)"
fill="none"
/>
)
}