ENG-1187: get and set block prop based settings

apps/roam/src/utils/settingsUsingBlockProps.ts

@@ -0,0 +1,99 @@
+import getBlockProps, { type json } from "./getBlockProps";
+import getBlockUidByTextOnPage from "roamjs-components/queries/getBlockUidByTextOnPage";
+import setBlockProps from "./setBlockProps";
+
+export const DG_BLOCK_PROP_SETTINGS_PAGE_TITLE =
+  "roam/js/discourse-graph/block-prop-settings";
+
+export const getBlockPropBasedSettings = ({
+  keys,
+}: {
+  keys: string[];
+}): { blockProps: json | undefined; blockUid: string } => {
+  const sectionKey = keys[0];
+
+  const blockUid = getBlockUidByTextOnPage({
+    text: sectionKey,
+    title: DG_BLOCK_PROP_SETTINGS_PAGE_TITLE,
+  });
+
+  const allBlockPropsForSection = getBlockProps(blockUid);
+
+  if (keys.length > 1) {
+    const propertyPath = keys.slice(1);
+
+    const targetValue = propertyPath.reduce(
+      (currentContext: json, currentKey) => {
+        if (
+          currentContext &&
+          typeof currentContext === "object" &&
+          !Array.isArray(currentContext)
+        ) {
+          const value = (currentContext as Record<string, json>)[currentKey];
+          return value === undefined ? null : value;
+        }
+        return null;
+      },
+      allBlockPropsForSection,
+    );
+    return {
+      blockProps: targetValue === null ? undefined : targetValue,
+      blockUid,
+    };
+  }
+  return { blockProps: allBlockPropsForSection, blockUid };
+};
+
+export const setBlockPropBasedSettings = ({
+  keys,
+  value,
+}: {
+  keys: string[];
+  value: json;
+}) => {
+  if (keys.length === 0) {
+    console.warn("Attempting to set block prop with no keys");
+    return;
+  }
+
+  const blockUid = getBlockUidByTextOnPage({
+    text: keys[0],
+    title: DG_BLOCK_PROP_SETTINGS_PAGE_TITLE,
+  });
+
+  if (keys.length === 1) {
+    setBlockProps(blockUid, value as Record<string, json>, true);
+    return;
+  }
+
+  const currentProps = getBlockProps(blockUid);
+  const updatedProps = JSON.parse(JSON.stringify(currentProps || {})) as Record<
+    string,
+    json
+  >;
+
+  const propertyPath = keys.slice(1);
+  const lastKeyIndex = propertyPath.length - 1;
+
+  propertyPath.reduce<Record<string, json>>(
+    (currentContext, currentKey, index) => {
+      if (index === lastKeyIndex) {
+        currentContext[currentKey] = value;
+        return currentContext;
+      }
+
+      if (
+        !currentContext[currentKey] ||
+        typeof currentContext[currentKey] !== "object" ||
+        Array.isArray(currentContext[currentKey])
+      ) {
+        currentContext[currentKey] = {};
+      }
+
+      return currentContext[currentKey] as Record<string, json>;
+    },
+    updatedProps,
+  );
+
+  setBlockProps(blockUid, updatedProps, true);
+};