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methodName: ensure method(node) returns truthy before trying to use return #358

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merged 4 commits into from Jul 31, 2019
Merged

methodName: ensure method(node) returns truthy before trying to use return #358

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231f901
chore(prefer-to-be-null): add test to `prefer-to-be-null`
G-Rath Jul 31, 2019
18c866d
chore(prefer-to-be-undefined): add test to `prefer-to-be-undefined`
G-Rath Jul 31, 2019
4c5dd15
fix: check `method(node)` returns truthy before trying to using results
G-Rath Jul 31, 2019
b0fb42b
fix(util): add check to method2
G-Rath Jul 31, 2019
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1 change: 1 addition & 0 deletions src/rules/__tests__/prefer-to-be-null.test.js
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Expand Up @@ -17,6 +17,7 @@ ruleTester.run('prefer-to-be-null', rule, {
'expect("a string").not.toMatchSnapshot();',
"expect(something).toEqual('a string');",
'expect(null).toBe',
'expect("something");',
],

invalid: [
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1 change: 1 addition & 0 deletions src/rules/__tests__/prefer-to-be-undefined.test.js
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Expand Up @@ -14,6 +14,7 @@ ruleTester.run('prefer-to-be-undefined', rule, {
'expect(something).not.toBe(somethingElse)',
'expect(something).not.toEqual(somethingElse)',
'expect(undefined).toBe',
'expect("something");',
],

invalid: [
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4 changes: 2 additions & 2 deletions src/rules/util.js
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Expand Up @@ -87,9 +87,9 @@ export const method = node => node.parent.property;

export const method2 = node => node.parent.parent.property;

const methodName = node => method(node).name;
const methodName = node => method(node) && method(node).name;

const methodName2 = node => method2(node).name;
const methodName2 = node => method2(node) && method2(node).name;

export const argument = node =>
node.parent.parent.arguments && node.parent.parent.arguments[0];
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