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/**
* Utility functions common to ESLint rules.
*/
'use strict';
/**
* Returns true if any of the passed in modules are used in
* require calls.
*/
module.exports.isRequired = function(node, modules) {
return node.callee.name === 'require' &&
modules.includes(node.arguments[0].value);
};
/**
* Returns true is the node accesses any property in the properties
* array on the 'common' object.
*/
module.exports.usesCommonProperty = function(node, properties) {
if (node.name) {
return properties.includes(node.name);
}
if (node.property) {
return properties.includes(node.property.name);
}
return false;
};
/**
* Returns true if the passed in node is inside an if statement block,
* and the block also has a call to skip.
*/
module.exports.inSkipBlock = function(node) {
var hasSkipBlock = false;
if (node.test &&
node.test.type === 'UnaryExpression' &&
node.test.operator === '!') {
const consequent = node.consequent;
if (consequent.body) {
consequent.body.some(function(expressionStatement) {
if (hasSkip(expressionStatement.expression)) {
return hasSkipBlock = true;
}
return false;
});
} else if (hasSkip(consequent.expression)) {
hasSkipBlock = true;
}
}
return hasSkipBlock;
};
function hasSkip(expression) {
return expression &&
expression.callee &&
(expression.callee.name === 'skip' ||
expression.callee.property &&
expression.callee.property.name === 'skip');
}
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