Sha256: 28c2e8a1884c90353cc6e0a25ae658ab74efca9ed35c9608bf94010b0909ba41
Contents?: true
Size: 959 Bytes
Versions: 43
Compression:
Stored size: 959 Bytes
Contents
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = extractValueFromUpdateExpression;
/**
* Extractor function for an UpdateExpression type value node.
* An update expression is an expression with an update operator.
* For example, foo++ will evaluate to foo + 1.
*
* @param - value - AST Value object with type `UpdateExpression`
* @returns - The extracted value converted to correct type.
*/
function extractValueFromUpdateExpression(value) {
// eslint-disable-next-line global-require
var getValue = require('./index.js').default;
var operator = value.operator,
argument = value.argument,
prefix = value.prefix;
var val = getValue(argument);
switch (operator) {
case '++':
return prefix ? ++val : val++; // eslint-disable-line no-plusplus
case '--':
return prefix ? --val : val--; // eslint-disable-line no-plusplus
default:
return undefined;
}
}
Version data entries
43 entries across 43 versions & 1 rubygems