44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
const changeParser = async ({ oldData, newData, trigger, table }) => {
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const isNew = !oldData;
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let changedFields = {};
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let changedFieldNames = [];
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if (isNew) {
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// If there's no old data, every field in newData is considered changed (new)
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changedFields = { ...newData };
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changedFieldNames = Object.keys(newData);
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} else {
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// Compare oldData with newData for changes
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for (const key in newData) {
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if (Object.prototype.hasOwnProperty.call(newData, key)) {
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// Check if the key exists in oldData and if values differ
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if (
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!Object.prototype.hasOwnProperty.call(oldData, key) ||
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JSON.stringify(oldData[key]) !== JSON.stringify(newData[key])
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) {
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changedFields[key] = newData[key];
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changedFieldNames.push(key);
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}
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}
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}
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// Check for fields that were removed
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for (const key in oldData) {
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if (Object.prototype.hasOwnProperty.call(oldData, key) && !Object.prototype.hasOwnProperty.call(newData, key)) {
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changedFields[key] = null; // Indicate field was removed
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changedFieldNames.push(key);
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}
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}
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}
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return {
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changedFieldNames,
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changedFields,
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isNew,
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data: newData,
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trigger,
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table
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};
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};
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module.exports = changeParser;
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