Housekeeping

frontend/src/lib/keypaths.js

@@ -0,0 +1,58 @@
+// Get a value from an object with a JSON path, from Webdesq core
+export function resolveKeypath(object, path) {
+  const parts = path.split('.').flatMap(part => {
+    const indexMatch = part.match(/\[\d+\]/g);
+    if (indexMatch) {
+      // Convert strings to numbers
+      const indexes = indexMatch.map(index => Number(index.slice(1, -1)));
+      const base = part.slice(0, part.indexOf(indexMatch[0]));
+      return base.length ? [ base, ...indexes ] : indexes;
+    }
+    return part;
+  });
+
+  let result = object;
+  while (result && parts.length) {
+    result = result[parts.shift()];
+  }
+
+  return result;
+}
+
+// Set a value in an object with a JSON path, from Webdesq core
+export function setValue(object, path, value) {
+  const parts = path.split('.').flatMap(part => {
+    let indexMatch = part.match(/\[\d+\]/g);
+    if (indexMatch) {
+      // Convert strings to numbers
+      const indexes = indexMatch.map(index => Number(index.slice(1, -1)));
+      const base = part.slice(0, part.indexOf(indexMatch[0]));
+      return base.length ? [ base, ...indexes ] : indexes;
+    }
+    indexMatch = part.match(/^\d+$/g);
+    if (indexMatch) {
+      // Convert strings to numbers
+      const indexes = indexMatch.map(index => Number(index.slice(1, -1)));
+      const base = part.slice(0, part.indexOf(indexMatch[0]));
+      return base.length ? [ base, ...indexes ] : indexes;
+    }
+    return part;
+  });
+
+  let result = object;
+  while (parts.length) {
+    const part = parts.shift();
+    if (!parts.length) {
+      // No parts left, we can set the value
+      result[part] = value;
+      break;
+    }
+    if (!result[part]) {
+      // Default value if none is found
+      result[part] = (typeof parts[0] === 'number') ? [] : {};
+    }
+    result = result[part];
+  }
+
+  return object;
+}