PromoCursed/node_modules/es-iterator-helpers/aos/GeneratorResumeAbrupt.js
2024-08-20 23:25:37 +04:00

47 lines
1.7 KiB
JavaScript

'use strict';
var $TypeError = require('es-errors/type');
var CompletionRecord = require('es-abstract/2024/CompletionRecord');
var CreateIterResultObject = require('es-abstract/2024/CreateIterResultObject');
var GeneratorValidate = require('./GeneratorValidate');
var NormalCompletion = require('es-abstract/2024/NormalCompletion');
var SLOT = require('internal-slot');
module.exports = function GeneratorResumeAbrupt(generator, abruptCompletion, generatorBrand) {
if (!(abruptCompletion instanceof CompletionRecord)) {
throw new $TypeError('Assertion failed: abruptCompletion must be a Completion Record');
}
var state = GeneratorValidate(generator, generatorBrand); // step 1
if (state === 'suspendedStart') { // step 2
SLOT.set(generator, '[[GeneratorState]]', 'completed'); // step 3.a
SLOT.set(generator, '[[GeneratorContext]]', null); // step 3.b
state = 'completed'; // step 3.c
}
var value = abruptCompletion.value();
if (state === 'completed') { // step 3
return CreateIterResultObject(value, true); // steps 3.a-b
}
if (state !== 'suspendedYield') {
throw new $TypeError('Assertion failed: generator state is unexpected: ' + state); // step 4
}
if (abruptCompletion.type() === 'return') {
// due to representing `GeneratorContext` as a function, we can't safely re-invoke it, so we can't support sending it a return completion
return CreateIterResultObject(SLOT.get(generator, '[[CloseIfAbrupt]]')(NormalCompletion(abruptCompletion.value())), true);
}
var genContext = SLOT.get(generator, '[[GeneratorContext]]'); // step 5
SLOT.set(generator, '[[GeneratorState]]', 'executing'); // step 8
var result = genContext(value); // steps 6-7, 8-11
return result; // step 12
};