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feat: add Blockly.Extensions.isRegistered function #5500

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merged 2 commits into from
Oct 7, 2021
Merged

feat: add Blockly.Extensions.isRegistered function #5500

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696506e
feat: add Blockly.Extensions.isRegistered function
aaimio Sep 18, 2021
8650307
Merge branch 'develop' into blockly-extensions-is-registered
moniika Oct 7, 2021
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12 changes: 11 additions & 1 deletion core/extensions.js
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Original file line number Diff line number Diff line change
Expand Up @@ -121,14 +121,24 @@ Blockly.Extensions.registerMutator = function(name, mixinObj, opt_helperFn,
* @param {string} name The name of the extension to unregister.
*/
Blockly.Extensions.unregister = function(name) {
if (Blockly.Extensions.ALL_[name]) {
if (Blockly.Extensions.isRegistered(name)) {
delete Blockly.Extensions.ALL_[name];
} else {
console.warn('No extension mapping for name "' + name +
'" found to unregister');
}
};

/**
* Returns whether an extension is registered with the given name.
* @param {string} name The name of the extension to check for.
* @return {boolean} True if the extension is registered. False if it is
* not registered.
*/
Blockly.Extensions.isRegistered = function(name) {
return !!Blockly.Extensions.ALL_[name];
};

/**
* Applies an extension method to a block. This should only be called during
* block construction.
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