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