[breaking]: FreeSewing v4 (#7297)

Refer to the CHANGELOG for all info.

---------

Co-authored-by: Wouter van Wageningen <wouter.vdub@yahoo.com>
Co-authored-by: Josh Munic <jpmunic@gmail.com>
Co-authored-by: Jonathan Haas <haasjona@gmail.com>

packages/react/components/Editor/lib/measurements.mjs

@@ -0,0 +1,36 @@
+// Dependencies
+import { defaultConfig } from '../config/index.mjs'
+
+/*
+ * Returns a list of measurements for a design
+ *
+ * @param {object} Design - The Design object
+ * @param {object} measies - The current set of measurements
+ * @return {object} measurements - Object holding measurements that are relevant for this design
+ */
+export function designMeasurements(Design, measies = {}) {
+  const measurements = {}
+  for (const m of Design.patternConfig?.measurements || []) measurements[m] = measies[m]
+  for (const m of Design.patternConfig?.optionalMeasurements || []) measurements[m] = measies[m]
+
+  return measurements
+}
+
+/*
+ * Helper method to check whether measurements are missing
+ *
+ * Note that this does not actually check the settings against
+ * the chosen design, but rather relies on the missing measurements
+ * being set in state. That's because checking is more expensive,
+ * so we do it only once.
+ *
+ * @param {object} state - The Editor state
+ * @return {bool} missing - True if there are missing measurments, false if not
+ */
+export function missingMeasurements(state) {
+  return (
+    !defaultConfig.measurementsFreeViews.includes(state.view) &&
+    state._.missingMeasurements &&
+    state._.missingMeasurements.length > 0
+  )
+}