Laurin Weger
1 day ago
parent
a4768e0340
commit
5d86f69c79
@ -1,43 +1,75 @@ |
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interface FlattenOptions { |
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/** Maximum depth to traverse (default: 8). */ |
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maxDepth?: number; |
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/** Skip keys that start with a dollar sign (deepSignal meta). Default: true */ |
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skipDollarKeys?: boolean; |
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/** Maximum depth to traverse (default: 8). */ |
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maxDepth?: number; |
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/** Skip keys that start with a dollar sign (deepSignal meta). Default: true */ |
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skipDollarKeys?: boolean; |
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} |
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|
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const isPlainObject = (v: any) => |
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Object.prototype.toString.call(v) === "[object Object]"; |
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Object.prototype.toString.call(v) === "[object Object]"; |
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|
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const flattenObject = ( |
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obj: any, |
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prefix = "", |
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options: FlattenOptions = {}, |
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seen = new Set<any>(), |
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depth = 0 |
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obj: any, |
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prefix = "", |
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options: FlattenOptions = {}, |
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seen = new Set<any>(), |
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depth = 0 |
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): Array<[string, any, string, any]> => { |
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const { maxDepth = 8, skipDollarKeys = true } = options; |
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const result: Array<[string, any, string, any]> = []; |
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if (!obj || typeof obj !== "object") return result; |
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if (seen.has(obj)) return result; // cycle detected
|
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seen.add(obj); |
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if (depth > maxDepth) return result; |
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const { maxDepth = 8, skipDollarKeys = true } = options; |
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const result: Array<[string, any, string, any]> = []; |
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if (!obj || typeof obj !== "object") return result; |
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if (seen.has(obj)) return result; // cycle detected
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seen.add(obj); |
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if (depth > maxDepth) return result; |
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for (const [key, value] of Object.entries(obj)) { |
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if (skipDollarKeys && key.startsWith("$")) continue; |
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const fullKey = prefix ? `${prefix}.${key}` : key; |
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if ( |
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value && |
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typeof value === "object" && |
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!Array.isArray(value) && |
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!(value instanceof Set) && |
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isPlainObject(value) |
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) { |
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result.push(...flattenObject(value, fullKey, options, seen, depth + 1)); |
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} else { |
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result.push([fullKey, value, key, obj]); |
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for (const [key, value] of Object.entries(obj)) { |
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if (skipDollarKeys && key.startsWith("$")) continue; |
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const fullKey = prefix ? `${prefix}.${key}` : key; |
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|
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// Handle Sets containing objects with @id
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if (value instanceof Set) { |
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const setItems = Array.from(value); |
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// Check if Set contains objects with @id
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if ( |
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setItems.length > 0 && |
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setItems.some( |
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(item) => item && typeof item === "object" && "@id" in item |
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) |
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) { |
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// Flatten each object in the Set
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setItems.forEach((item) => { |
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if (item && typeof item === "object" && "@id" in item) { |
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const itemId = item["@id"]; |
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const itemPrefix = `${fullKey}[@id=${itemId}]`; |
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result.push( |
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...flattenObject( |
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item, |
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itemPrefix, |
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options, |
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seen, |
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depth + 1 |
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) |
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); |
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} |
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}); |
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} else { |
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// Set doesn't contain objects with @id, treat as leaf
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result.push([fullKey, value, key, obj]); |
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} |
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} else if ( |
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value && |
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typeof value === "object" && |
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!Array.isArray(value) && |
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isPlainObject(value) |
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) { |
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result.push( |
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...flattenObject(value, fullKey, options, seen, depth + 1) |
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); |
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} else { |
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result.push([fullKey, value, key, obj]); |
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} |
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} |
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} |
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return result; |
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return result; |
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}; |
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|
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export default flattenObject; |
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