Generate table of features as an SVG image from a json file

.caps-table/README.md

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+To generate a table of features as an SVG file, change to this folder and run
+```
+npm install
+npm run generate
+```

.caps-table/index.js

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+const fs = require('fs');
+const svgTable = require('pure-svg-table');
+
+function convertTable(clientFeatures, has, hasNot) {
+    let capSet = new Set()
+    clientFeatures.forEach(c => {
+        c.features.forEach(f => {
+            capSet.add(f)
+        })
+    })
+    let sortedCapList = Array.from(capSet).sort()
+    const header = [""].concat(sortedCapList)
+    let table = [header]
+    clientFeatures.forEach(c => {
+        let row = [c.name]
+        sortedCapList.forEach(f => {
+            let cell
+            if (c.features.indexOf(f) == -1) {
+                cell = hasNot
+            }
+            else {
+                cell = has
+            }
+            row.push(cell)
+        })
+        table.push(row)
+    })
+    return table
+}
+
+function main(newOpts) {
+    let opts = {
+        featuresFile: '../caps/clients.json',
+        has: "✔️",
+        hasNot: "❌",
+        svgResultsFile: '../caps/generated-features.svg',
+        stylesFile: 'styles.css',
+    }
+    Object.assign(opts, newOpts)
+    const clientFeatures = JSON.parse(fs.readFileSync(opts.featuresFile).toString())
+    let style
+    if (opts.stylesFile !== undefined) {
+        style = fs.readFileSync(opts.stylesFile).toString()
+    }
+    const rawTable = convertTable(clientFeatures, opts.has, opts.hasNot)
+    const svg = svgTable.generateTable(rawTable, style)
+    fs.writeFileSync(opts.svgResultsFile, svg)
+}
+
+module.exports = {
+    convertTable: convertTable,
+    main: main,
+}
+
+if (require.main === module) {
+    main()
+}

.caps-table/index.test.js

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+const assert = require('assert')
+const { convertTable, main } = require('./index')
+
+it('Convert table', () => {
+    const features = [
+        {name: "Batman", features: ["rich", "fly"]},
+        {name: "Superman", features: ["fly", "strong"]},
+    ]
+    const expected = [
+        ["", "fly", "rich", "strong"],
+        ["Batman", "yes", "yes", "no"],
+        ["Superman", "yes", "no", "yes"],
+    ]
+    const got = convertTable(features, "yes", "no")
+    assert.deepStrictEqual(got, expected)
+})
+
+it('Generate SVG', () => {
+    main({featuresFile: 'test/clients.json', svgResultsFile: 'tmp.svg', stylesFile: 'test/style.css'})
+})