| 1 | import warn from './warn';
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| 2 | export default function validateSelectedPropChange(prevSelected, selected) {
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| 3 | var uncontrolledToControlled = !prevSelected && selected;
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| 4 | var controlledToUncontrolled = prevSelected && !selected;
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| 5 | var from, to, precedent;
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| 6 |
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| 7 | if (uncontrolledToControlled) {
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| 8 | from = 'uncontrolled';
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| 9 | to = 'controlled';
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| 10 | precedent = 'an';
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| 11 | } else {
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| 12 | from = 'controlled';
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| 13 | to = 'uncontrolled';
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| 14 | precedent = 'a';
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| 15 | }
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| 16 |
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| 17 | var message = "You are changing ".concat(precedent, " ").concat(from, " typeahead to be ").concat(to, ". ") + "Input elements should not switch from ".concat(from, " to ").concat(to, " (or vice versa). ") + 'Decide between using a controlled or uncontrolled element for the ' + 'lifetime of the component.';
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| 18 | warn(!(uncontrolledToControlled || controlledToUncontrolled), message);
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| 19 | } |
| \ | No newline at end of file |