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Andras Schmelczer 2026-07-12 20:37:39 +01:00
parent 9e4e65fa2a
commit ca771a7edf
32 changed files with 1467 additions and 109 deletions
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19
frontend/src/lib/url-state.ts
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@ -92,6 +92,23 @@ const CRIME_TYPES_NONE_PARAM = '__none';
const OVERLAY_NONE_PARAM = '__none';
const CRIME_OVERLAY_ID: OverlayId = 'crime-hotspots';
/** URL param holding the currently focused postcode (from a search or a map
* click). It reflects a transient selection, not search criteria, so a live or
* shared link keeps it but a saved search must not bake it in. */
export const SELECTED_POSTCODE_PARAM = 'pc';
/**
* Drop the transient selected-postcode param from a serialized query string so a
* saved search captures the filter criteria, not whichever postcode the user
* last clicked. Takes and returns a query string without the leading '?'.
*/
export function stripSelectedPostcodeParam(params: string): string {
const parsed = new URLSearchParams(params);
if (!parsed.has(SELECTED_POSTCODE_PARAM)) return params;
parsed.delete(SELECTED_POSTCODE_PARAM);
return parsed.toString();
}
export interface UrlState {
viewState: ViewState;
/** True only when the URL carried explicit lat/lon/zoom (shared/dashboard link).
@ -406,7 +423,7 @@ export function parseUrlState(): UrlState {
// Selected postcode. This is also accepted as the historical one-time
// navigate-to-postcode param used by saved-property links.
const pc = params.get('pc');
const pc = params.get(SELECTED_POSTCODE_PARAM);
if (pc) {
result.postcode = pc;
}