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codeql-action/node_modules/jsx-ast-utils/lib/values/expressions/BinaryExpression.js
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'use strict'; | |
Object.defineProperty(exports, "__esModule", { | |
value: true | |
}); | |
exports.default = extractValueFromBinaryExpression; | |
/** | |
* Extractor function for a BinaryExpression type value node. | |
* A binary expression has a left and right side separated by an operator | |
* such as `a + b`. | |
* | |
* @param - value - AST Value object with type `BinaryExpression` | |
* @returns - The extracted value converted to correct type. | |
*/ | |
function extractValueFromBinaryExpression(value) { | |
// eslint-disable-next-line global-require | |
var getValue = require('.').default; | |
var operator = value.operator, | |
left = value.left, | |
right = value.right; | |
var leftVal = getValue(left); | |
var rightVal = getValue(right); | |
switch (operator) { | |
case '==': | |
return leftVal == rightVal; // eslint-disable-line | |
case '!=': | |
return leftVal != rightVal; // eslint-disable-line | |
case '===': | |
return leftVal === rightVal; | |
case '!==': | |
return leftVal !== rightVal; | |
case '<': | |
return leftVal < rightVal; | |
case '<=': | |
return leftVal <= rightVal; | |
case '>': | |
return leftVal > rightVal; | |
case '>=': | |
return leftVal >= rightVal; | |
case '<<': | |
return leftVal << rightVal; // eslint-disable-line no-bitwise | |
case '>>': | |
return leftVal >> rightVal; // eslint-disable-line no-bitwise | |
case '>>>': | |
return leftVal >>> rightVal; // eslint-disable-line no-bitwise | |
case '+': | |
return leftVal + rightVal; | |
case '-': | |
return leftVal - rightVal; | |
case '*': | |
return leftVal * rightVal; | |
case '/': | |
return leftVal / rightVal; | |
case '%': | |
return leftVal % rightVal; | |
case '|': | |
return leftVal | rightVal; // eslint-disable-line no-bitwise | |
case '^': | |
return leftVal ^ rightVal; // eslint-disable-line no-bitwise | |
case '&': | |
return leftVal & rightVal; // eslint-disable-line no-bitwise | |
case 'in': | |
try { | |
return leftVal in rightVal; | |
} catch (err) { | |
return false; | |
} | |
case 'instanceof': | |
if (typeof rightVal !== 'function') { | |
return false; | |
} | |
return leftVal instanceof rightVal; | |
default: | |
return undefined; | |
} | |
} |