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tools: auto fix custom eslint rule for lowercase-name-for-primitive.js #17715

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tools: auto fix custom eslint rule for lowercase-name-for-primitive.js #17715

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tools: auto fix custom eslint rule for lowercase-name-for-primitive.js
shobhitchittora Dec 17, 2017
b2d1f5b
tools: auto fix custom eslint rule for lowercase-name-for-primitive.js
shobhitchittora Dec 18, 2017
42009c2
tools: auto fix custom eslint rule for lowercase-name-for-primitive.js
shobhitchittora Dec 19, 2017
1799ec3
tools: auto fix custom eslint rule for lowercase-name-for-primitive.js
shobhitchittora Dec 25, 2017
a23ca88
tools: auto fix custom eslint rule for lowercase-name-for-primitive.js
shobhitchittora Dec 26, 2017
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22 changes: 15 additions & 7 deletions test/parallel/test-eslint-lowercase-name-for-primitive.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,20 +22,28 @@ new RuleTester().run('lowercase-name-for-primitive', rule, {
],
invalid: [
{
code: 'new errors.TypeError("ERR_INVALID_ARG_TYPE", "a", "Number")',
errors: [{ message: 'primitive should use lowercase: Number' }]
code: `new errors.TypeError('ERR_INVALID_ARG_TYPE', 'a',
'Number')`,
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@shobhitchittora Could you change these backquote to singlequote? For example:

{
  code: 'new errors.TypeError(\'ERR_INVALID_ARG_TYPE\', \'a\', ' +
        '\'Number\''
}

In addition, you can use this command to check if your change will pass CI:

node test/parallel/test-eslint-lowercase-name-for-primitive.js

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Done and started a build.

errors: [{ message: 'primitive should use lowercase: Number' }],
output: `new errors.TypeError('ERR_INVALID_ARG_TYPE', 'a',
'number')`
},
{
code: 'new errors.TypeError("ERR_INVALID_ARG_TYPE", "a", "STRING")',
errors: [{ message: 'primitive should use lowercase: STRING' }]
code: `new errors.TypeError('ERR_INVALID_ARG_TYPE', 'a',
'STRING')`,
errors: [{ message: 'primitive should use lowercase: STRING' }],
output: `new errors.TypeError('ERR_INVALID_ARG_TYPE', 'a',
'string')`
},
{
code: 'new errors.TypeError("ERR_INVALID_ARG_TYPE", "a",' +
'["String", "Number"])',
code: `new errors.TypeError('ERR_INVALID_ARG_TYPE', 'a',
['String', 'Number'])`,
errors: [
{ message: 'primitive should use lowercase: String' },
{ message: 'primitive should use lowercase: Number' }
]
],
output: `new errors.TypeError('ERR_INVALID_ARG_TYPE', 'a',
['string', 'number'])`
}
]
});
21 changes: 16 additions & 5 deletions tools/eslint-rules/lowercase-name-for-primitive.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,22 +22,33 @@ module.exports = function(context) {

switch (names.type) {
case 'Literal':
checkName(node, names.value);
checkName(names);
break;
case 'ArrayExpression':
names.elements.forEach((name) => {
checkName(node, name.value);
checkName(name);
});
break;
}
}

function checkName(node, name) {
function checkName(node) {
const name = node.value;
const lowercaseName = name.toLowerCase();
if (primitives.includes(lowercaseName) && !primitives.includes(name)) {
if (name !== lowercaseName && primitives.includes(lowercaseName)) {
const msg = `primitive should use lowercase: ${name}`;
context.report(node, msg);
context.report({
node,
message: msg,
fix: (fixer) => {
return fixer.replaceText(
node,
`'${lowercaseName}'`
);
}
});
}

}

return {
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