mirror of
https://github.com/idanoo/GoScrobble.git
synced 2024-11-24 17:35:16 +00:00
33 lines
1.0 KiB
JavaScript
33 lines
1.0 KiB
JavaScript
'use strict';
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.default = extractValueFromLogicalExpression;
|
|
/**
|
|
* Extractor function for a LogicalExpression type value node.
|
|
* A logical expression is `a && b` or `a || b`, so we evaluate both sides
|
|
* and return the extracted value of the expression.
|
|
*
|
|
* @param - value - AST Value object with type `LogicalExpression`
|
|
* @returns - The extracted value converted to correct type.
|
|
*/
|
|
function extractValueFromLogicalExpression(value) {
|
|
// eslint-disable-next-line global-require
|
|
var getValue = require('./index.js').default;
|
|
var operator = value.operator,
|
|
left = value.left,
|
|
right = value.right;
|
|
|
|
var leftVal = getValue(left);
|
|
var rightVal = getValue(right);
|
|
|
|
if (operator === '&&') {
|
|
return leftVal && rightVal;
|
|
}
|
|
if (operator === '??') {
|
|
// return leftVal ?? rightVal; // TODO: update to babel 7
|
|
return leftVal === null || typeof leftVal === 'undefined' ? rightVal : leftVal;
|
|
}
|
|
return leftVal || rightVal;
|
|
} |