massive update, probably broken
[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / core-js / modules / esnext.iterator.flat-map.js
index 38ffb3fbf3682b5b434bc3c449cf17e79006b7f6..7f458f619422b828a7b79c5e6caf927f86d09a57 100644 (file)
@@ -1,13 +1,17 @@
 'use strict';
 // https://github.com/tc39/proposal-iterator-helpers
 var $ = require('../internals/export');
-var aFunction = require('../internals/a-function');
+var global = require('../internals/global');
+var call = require('../internals/function-call');
+var aCallable = require('../internals/a-callable');
 var anObject = require('../internals/an-object');
 var getIteratorMethod = require('../internals/get-iterator-method');
 var createIteratorProxy = require('../internals/iterator-create-proxy');
 var iteratorClose = require('../internals/iterator-close');
 
-var IteratorProxy = createIteratorProxy(function (arg) {
+var TypeError = global.TypeError;
+
+var IteratorProxy = createIteratorProxy(function () {
   var iterator = this.iterator;
   var mapper = this.mapper;
   var result, mapped, iteratorMethod, innerIterator;
@@ -15,27 +19,26 @@ var IteratorProxy = createIteratorProxy(function (arg) {
   while (true) {
     try {
       if (innerIterator = this.innerIterator) {
-        result = anObject(this.innerNext.call(innerIterator));
+        result = anObject(call(this.innerNext, innerIterator));
         if (!result.done) return result.value;
         this.innerIterator = this.innerNext = null;
       }
 
-      result = anObject(this.next.call(iterator, arg));
+      result = anObject(call(this.next, iterator));
 
       if (this.done = !!result.done) return;
 
       mapped = mapper(result.value);
       iteratorMethod = getIteratorMethod(mapped);
 
-      if (iteratorMethod === undefined) {
+      if (!iteratorMethod) {
         throw TypeError('.flatMap callback should return an iterable object');
       }
 
-      this.innerIterator = innerIterator = anObject(iteratorMethod.call(mapped));
-      this.innerNext = aFunction(innerIterator.next);
+      this.innerIterator = innerIterator = anObject(call(iteratorMethod, mapped));
+      this.innerNext = aCallable(innerIterator.next);
     } catch (error) {
-      iteratorClose(iterator);
-      throw error;
+      iteratorClose(iterator, 'throw', error);
     }
   }
 });
@@ -44,7 +47,7 @@ $({ target: 'Iterator', proto: true, real: true }, {
   flatMap: function flatMap(mapper) {
     return new IteratorProxy({
       iterator: anObject(this),
-      mapper: aFunction(mapper),
+      mapper: aCallable(mapper),
       innerIterator: null,
       innerNext: null
     });