| 1 | const no = require('not-defined')
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| 2 |
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| 3 | /**
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| 4 | * Compute edges which does not refer to existing nodeIds
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| 5 | *
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| 6 | * @param {Object} edges
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| 7 | * @param {Object} nodes
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| 8 | * @returns {Array} orphanEdgeIds
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| 9 | */
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| 10 |
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| 11 | const getOrphanEdgeIds = (edges, nodes) => {
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| 12 | var orphanEdgeIds = []
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| 13 |
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| 14 | const nodeIdsNotFound = (nodeId) => (no(nodes[nodeId]))
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| 15 |
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| 16 | for (var edgeId in edges) {
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| 17 | var edge = edges[edgeId]
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| 18 |
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| 19 | if (edge.filter(nodeIdsNotFound).length > 0) {
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| 20 | orphanEdgeIds.push(edgeId)
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| 21 | }
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| 22 | }
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| 23 |
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| 24 | return orphanEdgeIds
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| 25 | }
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| 26 |
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| 27 | module.exports = getOrphanEdgeIds
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