mirror of https://github.com/renovatebot/renovate
22 lines
655 B
TypeScript
22 lines
655 B
TypeScript
import jsonata from 'jsonata';
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import * as memCache from './cache/memory';
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import { toSha256 } from './hash';
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export function getExpression(input: string): jsonata.Expression | Error {
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const cacheKey = `jsonata:${toSha256(input)}`;
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const cachedExpression = memCache.get<jsonata.Expression | Error>(cacheKey);
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// istanbul ignore if: cannot test
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if (cachedExpression) {
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return cachedExpression;
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}
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let result: jsonata.Expression | Error;
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try {
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result = jsonata(input);
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} catch (err) {
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// JSONata errors aren't detected as TypeOf Error
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result = new Error(err.message);
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}
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memCache.set(cacheKey, result);
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return result;
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}
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