f89e074dd1
Governed substrate for autonomous agents: scoped identity (passports), audited actions, MCP workspace. Infra IPs and secrets redacted for public release.
39 lines
1.3 KiB
JavaScript
39 lines
1.3 KiB
JavaScript
/**
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* coerceDataInput — normalize the `data` arg passed to row-mutation tools.
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*
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* MCP/agent callers occasionally pass `data` as a JSON-encoded string
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* instead of a parsed object. Without normalization, downstream
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* `JSON.stringify(data)` writes a *quoted string* into the JSONB column
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* (jsonb_typeof = 'string'), so subsequent reads have to JSON.parse the
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* payload twice and atom-renderers that read fields directly miss them.
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*
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* Bug reference: BUG-MCP-001 (ADR-0020 audit pass).
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*/
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export function coerceDataObject(data, fieldName = 'data') {
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if (data === null || data === undefined) return null;
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if (typeof data === 'string') {
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let parsed;
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try {
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parsed = JSON.parse(data);
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} catch {
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throw new Error(
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`${fieldName} must be a JSON object; received a string that is not valid JSON`
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);
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}
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if (parsed && typeof parsed === 'object' && !Array.isArray(parsed)) {
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return parsed;
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}
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const got = parsed === null ? 'null' : Array.isArray(parsed) ? 'array' : typeof parsed;
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throw new Error(`${fieldName} must decode to a JSON object; got ${got}`);
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}
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if (typeof data !== 'object' || Array.isArray(data)) {
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throw new Error(
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`${fieldName} must be a JSON object; got ${Array.isArray(data) ? 'array' : typeof data}`
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);
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}
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return data;
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}
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