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restoreDeletedValuesInNestedArray() — react Function Reference

Architecture documentation for the restoreDeletedValuesInNestedArray() function in ReactNativeAttributePayload.js from the react codebase.

Function javascript BabelCompiler Validation called by 1

Entity Profile

Dependency Diagram

graph TD
  e0202cec_6cf7_dc4a_22b4_c95465690614["restoreDeletedValuesInNestedArray()"]
  3429d3f6_3e01_954f_bb31_157d6bedf858["ReactNativeAttributePayload.js"]
  e0202cec_6cf7_dc4a_22b4_c95465690614 -->|defined in| 3429d3f6_3e01_954f_bb31_157d6bedf858
  09e35162_fc97_6f1c_4f2a_776eeef412d0["diffProperties()"]
  09e35162_fc97_6f1c_4f2a_776eeef412d0 -->|calls| e0202cec_6cf7_dc4a_22b4_c95465690614
  style e0202cec_6cf7_dc4a_22b4_c95465690614 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-native-renderer/src/ReactNativeAttributePayload.js lines 50–109

function restoreDeletedValuesInNestedArray(
  updatePayload: Object,
  node: NestedNode,
  validAttributes: AttributeConfiguration,
) {
  if (isArray(node)) {
    let i = node.length;
    while (i-- && removedKeyCount > 0) {
      restoreDeletedValuesInNestedArray(
        updatePayload,
        node[i],
        validAttributes,
      );
    }
  } else if (node && removedKeyCount > 0) {
    const obj = node;
    for (const propKey in removedKeys) {
      // $FlowFixMe[incompatible-use] found when upgrading Flow
      if (!removedKeys[propKey]) {
        continue;
      }
      let nextProp = obj[propKey];
      if (nextProp === undefined) {
        continue;
      }

      const attributeConfig = validAttributes[propKey];
      if (!attributeConfig) {
        continue; // not a valid native prop
      }

      if (typeof nextProp === 'function') {
        // $FlowFixMe[incompatible-type] found when upgrading Flow
        nextProp = true;
      }
      if (typeof nextProp === 'undefined') {
        // $FlowFixMe[incompatible-type] found when upgrading Flow
        nextProp = null;
      }

      if (typeof attributeConfig !== 'object') {
        // case: !Object is the default case
        updatePayload[propKey] = nextProp;
      } else if (
        typeof attributeConfig.diff === 'function' ||
        typeof attributeConfig.process === 'function'
      ) {
        // case: CustomAttributeConfiguration
        const nextValue =
          typeof attributeConfig.process === 'function'
            ? attributeConfig.process(nextProp)
            : nextProp;
        updatePayload[propKey] = nextValue;
      }
      // $FlowFixMe[incompatible-use] found when upgrading Flow
      removedKeys[propKey] = false;
      removedKeyCount--;
    }
  }
}

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does restoreDeletedValuesInNestedArray() do?
restoreDeletedValuesInNestedArray() is a function in the react codebase, defined in packages/react-native-renderer/src/ReactNativeAttributePayload.js.
Where is restoreDeletedValuesInNestedArray() defined?
restoreDeletedValuesInNestedArray() is defined in packages/react-native-renderer/src/ReactNativeAttributePayload.js at line 50.
What calls restoreDeletedValuesInNestedArray()?
restoreDeletedValuesInNestedArray() is called by 1 function(s): diffProperties.

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