28 lines
1.1 KiB
JavaScript
28 lines
1.1 KiB
JavaScript
import { typeOf } from '../../../utils/is.js';
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/**
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* Improve error messages for statistics functions. Errors are typically
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* thrown in an internally used function like larger, causing the error
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* not to mention the function (like max) which is actually used by the user.
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*
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* @param {Error} err
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* @param {String} fnName
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* @param {*} [value]
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* @return {Error}
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*/
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export function improveErrorMessage(err, fnName, value) {
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// TODO: add information with the index (also needs transform in expression parser)
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var details;
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if (String(err).indexOf('Unexpected type') !== -1) {
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details = arguments.length > 2 ? ' (type: ' + typeOf(value) + ', value: ' + JSON.stringify(value) + ')' : ' (type: ' + err.data.actual + ')';
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return new TypeError('Cannot calculate ' + fnName + ', unexpected type of argument' + details);
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}
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if (String(err).indexOf('complex numbers') !== -1) {
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details = arguments.length > 2 ? ' (type: ' + typeOf(value) + ', value: ' + JSON.stringify(value) + ')' : '';
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return new TypeError('Cannot calculate ' + fnName + ', no ordering relation is defined for complex numbers' + details);
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}
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return err;
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} |