Function createDefaultValueCheck

test/fixtures/snapshot/typescript.js:91379–91382

* Creates an expression used to provide a default value if a value is `undefined` at runtime. * * @param flattenContext Options used to control flattening. * @param value The RHS value to test. * @param defaultValue The default value to use if `value` is `undefined` at runtime.

(flattenContext, value, defaultValue, location)

     * @param location The location to use for source maps and comments.
     */
    function createDefaultValueCheck(flattenContext, value, defaultValue, location) {
        value = ensureIdentifier(flattenContext, value, /*reuseIdentifierExpressions*/ true, location);
        return flattenContext.context.factory.createConditionalExpression(flattenContext.context.factory.createTypeCheck(value, "undefined"), /*questionToken*/ undefined, defaultValue, /*colonToken*/ undefined, value);
    }
    /**
     * Creates either a PropertyAccessExpression or an ElementAccessExpression for the
     * right-hand side of a transformed destructuring assignment.