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tools: lint for use of internalBinding() #25395

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merged 1 commit into from
Jan 11, 2019
Merged

tools: lint for use of internalBinding() #25395

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18 changes: 18 additions & 0 deletions test/parallel/test-eslint-crypto-check.js
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,12 @@ new RuleTester().run('crypto-check', rule, {
common.skip("missing crypto");
}
require("crypto");
`,
`
if (!common.hasCrypto) {
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@joyeecheung joyeecheung Jan 10, 2019 •
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Shouldn't this be in a separate test?

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I don't think so. We don't have separate testing for tools/eslint-rules/rules-utils.js (nor do I think we need it at this point).

common.skip("missing crypto");
}
internalBinding("crypto");
`
],
invalid: [
Expand Down Expand Up @@ -51,6 +57,18 @@ new RuleTester().run('crypto-check', rule, {
'}\n' +
'if (common.foo) {}\n' +
'require("crypto")'
},
{
code: 'require("common")\n' +
'if (common.foo) {}\n' +
'internalBinding("crypto")',
errors: [{ message }],
output: 'require("common")\n' +
'if (!common.hasCrypto) {' +
' common.skip("missing crypto");' +
'}\n' +
'if (common.foo) {}\n' +
'internalBinding("crypto")'
}
]
});
13 changes: 7 additions & 6 deletions tools/eslint-rules/rules-utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -33,14 +33,15 @@ module.exports.isCommonModule = function(node) {

/**
* Returns true if any of the passed in modules are used in
* binding calls.
* process.binding() or internalBinding() calls.
*/
module.exports.isBinding = function(node, modules) {
if (node.callee.object) {
return node.callee.object.name === 'process' &&
node.callee.property.name === 'binding' &&
modules.includes(node.arguments[0].value);
}
const isProcessBinding = node.callee.object &&
node.callee.object.name === 'process' &&
node.callee.property.name === 'binding';

return (isProcessBinding || node.callee.name === 'internalBinding') &&
modules.includes(node.arguments[0].value);
};

/**
Expand Down