Streamline time slider loading #327
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1ec5
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Oct 28, 2025
| let ohmlayer; | ||
| map.eachLayer(function (layer) { // there's only 1 or 0 time layers at a time, so this works | ||
| if (historicalLayerKeys.indexOf(layer.options.layerId) !== -1) ohmlayer = layer; | ||
| if (layer instanceof L.OSM.OHM) ohmlayer = layer; |
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This assumes every instance of L.OSM.OHM is time-enabled. That’s currently true, but if we ever choose to publish an all-time cumulative style that isn’t filtered by date, then we’ll need to push this decision down to each instance of L.OSM.OHM via a new property in layers.yml.
Restored normal page loading to be synchronous. Load the time slider synchronously as part of page loading. Fixed a bad merge in directions.js. Removed inconsistent support for date parameters as query parameters, leaving only support for date parameters as hash parameters.
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This PR restores normal page loading to be synchronous and loads the time slider synchronously as part of page loading. I’ve also fixed a bad merge in directions.js (which is currently inaccessible). The new streamlined initialization code only supports date parameters as hash parameters (after the
#). I’ve removed support for date parameters as query parameters (after the?), which were only supported on a couple of the pages and are probably rarely used.This also removes a hard-coded list of time-enabled layer IDs, so there are fewer steps to remember when adding a new layer.
Fixes OpenHistoricalMap/issues#1179.