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fix: Better error message when calling data transformation functions on a null value #10210

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merged 1 commit into from
Jul 26, 2024
Merged

fix: Better error message when calling data transformation functions on a null value #10210

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10 changes: 3 additions & 7 deletions packages/workflow/src/Extensions/utils.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -21,12 +21,8 @@ export const convertToDateTime = (value: string | Date | DateTime): DateTime | u

export function checkIfValueDefinedOrThrow<T>(value: T, functionName: string): void {
if (value === undefined || value === null) {
throw new ExpressionExtensionError(
`${functionName}() could not be called on "${String(value)}" type`,
{
description:
'You are trying to access a field that does not exist, modify your expression or set a default value',
},
);
throw new ExpressionExtensionError(`${functionName} can't be used on ${String(value)} value`, {
description: `To ignore this error, add a ? to the variable before this function, e.g. my_var?.${functionName}`,
});
}
}
7 changes: 2 additions & 5 deletions packages/workflow/test/ExpressionExtensions/ExpressionExtension.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -250,18 +250,15 @@ describe('tmpl Expression Parser', () => {
extend(undefined, 'toDateTime', []);
} catch (error) {
expect(error).toBeInstanceOf(ExpressionExtensionError);
expect(error).toHaveProperty(
'message',
'toDateTime() could not be called on "undefined" type',
);
expect(error).toHaveProperty('message', "toDateTime can't be used on undefined value");
}
});
test('input is null', () => {
try {
extend(null, 'startsWith', []);
} catch (error) {
expect(error).toBeInstanceOf(ExpressionExtensionError);
expect(error).toHaveProperty('message', 'startsWith() could not be called on "null" type');
expect(error).toHaveProperty('message', "startsWith can't be used on null value");
}
});
test('input should be converted to upper case', () => {
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