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Refactor error throwing

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This commit is contained in:
Paul Kaplan 2017-09-12 10:16:26 -04:00
parent 4a7ba534c1
commit a885e7d619
1 changed files with 9 additions and 15 deletions
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24
src/virtual-machine.js
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@ -445,23 +445,17 @@ class VirtualMachine extends EventEmitter {
*/ */
duplicateSprite (targetId) { duplicateSprite (targetId) {
const target = this.runtime.getTargetById(targetId); const target = this.runtime.getTargetById(targetId);
if (!target) {
if (target) {
if (!target.isSprite()) {
throw new Error('Cannot duplicate non-sprite targets.');
}
const sprite = target.sprite;
if (!sprite) {
throw new Error('No sprite associated with this target.');
}
target.duplicate().then(newTarget => {
this.runtime.targets.push(newTarget);
this.setEditingTarget(newTarget.id);
});
} else {
throw new Error('No target with the provided id.'); throw new Error('No target with the provided id.');
} else if (!target.isSprite()) {
throw new Error('Cannot duplicate non-sprite targets.');
} else if (!target.sprite) {
throw new Error('No sprite associated with this target.');
} }
target.duplicate().then(newTarget => {
this.runtime.targets.push(newTarget);
this.setEditingTarget(newTarget.id);
});
} }
/** /**