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Use a single worker for node labeling
- Add a workerAgent to multiplex messages - Make the user functions ignorant of Worker boilerplate - Remove externalData for now; see #413 - Formally make Node a container; avoid sending label props through ancestors
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public/protocols/development.netcanvas/node-label-worker.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /** | ||
| * @function | ||
| * @name nodeLabelWorker | ||
| * @description Generate a display label for a node. | ||
| * | ||
| * You may create any label based on input data; see examples below. | ||
| * The variable registry is not directly accessible here; any properties should | ||
| * be in sync with the registry defined in protocol.json. | ||
| * | ||
| * Do not change the name of this function. | ||
| * | ||
| * @param {Object} data | ||
| * @param {Object} data.node All props for the node requiring a label | ||
| * @param {Object} data.network The current state of the network in this session | ||
| * @param {Array} data.network.nodes | ||
| * @param {Array} data.network.edges | ||
| * | ||
| * @return {string|Promise} a label for the input node, or | ||
| * a promise that resolves to the label | ||
| */ | ||
| function nodeLabelWorker({ node, network }) { | ||
| // Examples: | ||
| // | ||
| // 1. Given name, surname initial | ||
| // const label = `${node.name} ${(node.last_name && `${node.last_name[0]}.`) || ''}`; | ||
| // | ||
| // 2. Counter based on data set or subset (here, the network nodes) | ||
| // const index = network.nodes.findIndex(n => n.uid === node.uid); | ||
| // const label = index > -1 ? `${node.name} ${index + 1}` : node.name; | ||
| // | ||
| // 3. Counter, based on network as well. Access to `externalData` TBD. | ||
| // const networkNodeIds = {}; | ||
| // network.nodes.forEach((n) => { networkNodeIds[n.uid] = 1; }); | ||
| // const externalNodes = externalData.previousInterview.nodes.filter(n => !networkNodeIds[n.uid]); | ||
| // const nodes = [...network.nodes, ...externalNodes].sort((a, b) => a.uid.localeCompare(b.uid)); | ||
| // const index = nodes.findIndex(n => n.uid === node.uid); | ||
| // const label = index > -1 ? `${node.name} ${index + 1}` : node.name; | ||
| // | ||
| // 4. Add emoji suffix based on a node property | ||
| // const label = `${node.name} ${node.close_friend ? '😇' : '😡'}`; | ||
| // console.log('worker req', label); | ||
| // setTimeout(() => postMessage({ node, label }), 1000 * Math.random()); | ||
|
|
||
| // 5. Add emoji based on an edge or node property | ||
| let label = node.name; | ||
| if (network.edges.some(e => e.from === node.id || e.to === node.id)) { | ||
| label += '😎'; | ||
| } else if (node.close_friend) { | ||
| label += '😇'; | ||
| } | ||
|
|
||
| // To perform async work, return a promise instead. | ||
| // Use this with care; the most recent response to the client will be used. | ||
| // return new Promise((resolve, reject) => { | ||
| // setTimeout(() => { | ||
| // resolve(label); | ||
| // }, 100); | ||
| // }); | ||
|
|
||
| return label; | ||
| } |
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