next: ai part 3

2026-07-23 17:08:10 -07:00 · 2026-07-22 16:50:32 +02:00
parent 52e4db5ea6
commit f0871d895a
29 changed files with 3207 additions and 143 deletions
@@ -0,0 +1,66 @@
+import { colors } from "../../utils/colors.js";
+import { units } from "../../chart/units.js";
+import { createMetric } from "./metrics/index.js";
+
+/** @typedef {import("../storage.js").ChartArtifact} ChartArtifact */
+
+const VIEWS = new Set(["line", "area", "stacked", "bar", "dots"]);
+const SCALES = new Set(["linear", "log"]);
+const PALETTE = ["orange", "blue", "green", "violet", "yellow", "red"];
+
+/** @param {unknown} value @param {string} name */
+function requiredString(value, name) {
+  if (typeof value !== "string" || !value.trim()) {
+    throw new Error(`Chart ${name} is required`);
+  }
+  return value.trim();
+}
+
+/** @param {Record<string, unknown>} args @returns {ChartArtifact} */
+export function createChartArtifact(args) {
+  const title = requiredString(args.title, "title");
+  const unit = requiredString(args.unit, "unit");
+  const view = args.view === undefined ? "line" : requiredString(args.view, "view");
+  const scale = args.scale === undefined
+    ? "linear"
+    : requiredString(args.scale, "scale");
+
+  if (!Object.hasOwn(units, unit)) throw new Error(`Unknown chart unit: ${unit}`);
+  if (!VIEWS.has(view)) throw new Error(`Unknown chart view: ${view}`);
+  if (!SCALES.has(scale)) throw new Error(`Unknown chart scale: ${scale}`);
+  if (!Array.isArray(args.series) || !args.series.length || args.series.length > 6) {
+    throw new Error("A chart needs between one and six series");
+  }
+
+  const series = args.series.map((value, index) => {
+    if (!value || typeof value !== "object") throw new Error("Invalid chart series");
+    const item = /** @type {Record<string, unknown>} */ (value);
+    const path = requiredString(item.path, "series path")
+      .replace(/^brk\.series\./, "")
+      .replace(/^series\./, "");
+    const label = requiredString(item.label, "series label");
+    const color = item.color === undefined
+      ? PALETTE[index]
+      : requiredString(item.color, "series color");
+
+    if (!Object.hasOwn(colors, color)) throw new Error(`Unknown chart color: ${color}`);
+    createMetric(path);
+    return {
+      path,
+      label,
+      color: /** @type {ChartArtifact["chart"]["series"][number]["color"]} */ (color),
+    };
+  });
+
+  return {
+    type: /** @type {const} */ ("chart"),
+    id: crypto.randomUUID(),
+    chart: {
+      title,
+      unit: /** @type {ChartArtifact["chart"]["unit"]} */ (unit),
+      view: /** @type {ChartArtifact["chart"]["view"]} */ (view),
+      scale: /** @type {ChartArtifact["chart"]["scale"]} */ (scale),
+      series,
+    },
+  };
+}