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46 lines
1.2 KiB
JavaScript

import ForEach from './ForEach.js'
import defined from '../../Core/defined.js'
/**
* Iterate through the objects within the glTF and delete their pipeline extras object.
*
* @param {Object} gltf A javascript object containing a glTF asset.
* @returns {Object} glTF with no pipeline extras.
*
* @private
*/
function removePipelineExtras(gltf) {
ForEach.shader(gltf, function(shader) {
removeExtras(shader);
});
ForEach.buffer(gltf, function(buffer) {
removeExtras(buffer);
});
ForEach.image(gltf, function (image) {
removeExtras(image);
ForEach.compressedImage(image, function(compressedImage) {
removeExtras(compressedImage);
});
});
removeExtras(gltf);
return gltf;
}
function removeExtras(object) {
if (!defined(object.extras)) {
return;
}
if (defined(object.extras._pipeline)) {
delete object.extras._pipeline;
}
if (Object.keys(object.extras).length === 0) {
delete object.extras;
}
}
export default removePipelineExtras;