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Handle overriding components in ComponentManager (#4856)

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This commit is contained in:
Monica Kozbial
2021-06-08 12:28:59 -07:00
committed by GitHub
parent 6f7ead6e9c
commit 8e7cb406f9
2 changed files with 17 additions and 1 deletions
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12
core/component_manager.js
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@@ -54,9 +54,19 @@ Blockly.ComponentManager.ComponentDatum;
* Adds a component.
* @param {!Blockly.ComponentManager.ComponentDatum} componentInfo The data for
* the component to register.
* @param {boolean=} opt_allowOverrides True to prevent an error when overriding
* an already registered item.
* @template T
*/
Blockly.ComponentManager.prototype.addComponent = function(componentInfo) {
Blockly.ComponentManager.prototype.addComponent = function(
componentInfo, opt_allowOverrides) {
// Don't throw an error if opt_allowOverrides is true.
if (!opt_allowOverrides && this.componentData_[componentInfo.id]) {
throw Error(
'Plugin "' + componentInfo.id + '" with capabilities "' +
this.componentData_[componentInfo.id].capabilities +
'" already added.');
}
this.componentData_[componentInfo.id] = componentInfo;
for (var i = 0, type; (type = componentInfo.capabilities[i]); i++) {
var typeKey = String(type).toLowerCase();