Toggle Locked Layers.sketchplugin

// Locks layers that were previously locked (command control l)

#import 'sandbox.js'

// Get all pages in the document
var currentPage = doc.currentPage()
var currentArtboard = currentPage.currentArtboard()
var lockedKey = ' 🔓'
toggleLockAllLayers( currentArtboard.layers() )


// Recursively traverses and unlocks a tree of layers, since layers can be nested
// in groups
function toggleLockAllLayers(layers) {
    processAllLayers(layers, function(layer) {
        if ( layer.isLocked() ) {
            layer.setName( layer.name() + lockedKey )
            toggleLock( layer )
        } else {
            if ( layer.name().match( lockedKey ) ) {
                layer.setName( layer.name().replace( lockedKey, '' ) )
                toggleLock( layer )
            }
        }
    } )
}

function toggleLock( layer ) {
    layer.setIsLocked( !layer.isLocked() )
}

// Thanks to https://github.com/alssndro/sandros-sketch-plugins/blob/master/alessndro_library.js
function processAllLayers(layers, callback) {
    for (var i = 0; i < [layers count]; i++) {
      var layer = [layers objectAtIndex:i];
      log(layer)
      if ([layer isMemberOfClass:[MSLayerGroup class]]) {
        callback(layer);
        // Also process child layers/groups
        processAllLayers([layer layers], callback);
      }
      else {
        callback(layer);
      }
    }
}