You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
14 lines
443 B
JavaScript
14 lines
443 B
JavaScript
"use strict";
|
|
|
|
const { NoMatch, NotEnoughInput } = require("./symbols");
|
|
|
|
// This is a utility function for propagating NoMatches through the stack, without resorting to `throw`/`catch` (which can be slow)
|
|
// FIXME: Use a Result type instead?
|
|
module.exports = function ifMatch(testResult, produceResult) {
|
|
if (testResult === NoMatch || testResult === NotEnoughInput) {
|
|
return testResult;
|
|
} else {
|
|
return produceResult(testResult);
|
|
}
|
|
};
|