Permalink
Cannot retrieve contributors at this time
69 lines (68 sloc)
2 KB
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
codeql-action/node_modules/jsx-ast-utils/src/values/expressions/BinaryExpression.js
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/** | |
* 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. | |
*/ | |
export default function extractValueFromBinaryExpression(value) { | |
// eslint-disable-next-line global-require | |
const getValue = require('.').default; | |
const { operator, left, right } = value; | |
const leftVal = getValue(left); | |
const 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; | |
} | |
} |