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class VariableUtil {
static _mergeVarRefObjects (accum, obj2) {
for (const id in obj2) {
if (accum[id]) {
accum[id] = accum[id].concat(obj2[id]);
} else {
accum[id] = obj2[id];
}
}
return accum;
}
/**
* Get all variable/list references in the given list of targets
* in the project.
* @param {Array.<Target>} targets The list of targets to get the variable
* and list references from.
* @param {boolean} shouldIncludeBroadcast Whether to include broadcast message fields.
* @return {object} An object with variable ids as the keys and a list of block fields referencing
* the variable.
*/
static getAllVarRefsForTargets (targets, shouldIncludeBroadcast) {
return targets
.map(t => t.blocks.getAllVariableAndListReferences(null, shouldIncludeBroadcast))
.reduce(VariableUtil._mergeVarRefObjects, {});
}
/**
* Give all variable references provided a new id and possibly new name.
* @param {Array<object>} referencesToUpdate Context of the change, the object containing variable
* references to update.
* @param {string} newId ID of the variable that the old references should be replaced with
* @param {?string} optNewName New variable name to merge with. The old
* variable name in the references being updated should be replaced with this new name.
* If this parameter is not provided or is '', no name change occurs.
*/
static updateVariableIdentifiers (referencesToUpdate, newId, optNewName) {
referencesToUpdate.map(ref => {
ref.referencingField.id = newId;
if (optNewName) {
ref.referencingField.value = optNewName;
}
return ref;
});
}
}
module.exports = VariableUtil;
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