f166b7ae58
* Fix plugin-transform-block-scoping const violations Fixes #13245 * Replace `a++` with `+a` where const violation * Remove assignment where const violation * Remove assignment for `&&=`, `||=`, `??=` where const violation * Shorten test
24 lines
536 B
JavaScript
24 lines
536 B
JavaScript
const state1 = {};
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expect(function() {
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const a = "str";
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state1.getA = () => a;
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--a;
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}).toThrow('"a" is read-only');
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expect(state1.getA()).toBe("str"); // Assignment did not succeed
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const state2 = {};
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expect(function() {
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const b = {
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valueOf() {
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state2.valueOfIsCalled = true;
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}
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};
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state2.b = b;
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state2.getB = () => b;
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--b;
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}).toThrow('"b" is read-only');
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expect(state2.getB()).toBe(state2.b); // Assignment did not succeed
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expect(state2.valueOfIsCalled).toBe(true); // `bar` was read before error thrown
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