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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / core-js / modules / esnext.iterator.flat-map.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/modules/esnext.iterator.flat-map.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/modules/esnext.iterator.flat-map.js
new file mode 100644 (file)
index 0000000..0841996
--- /dev/null
+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/modules/esnext.iterator.flat-map.js
@@ -0,0 +1,46 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var getIteratorMethod = require('../internals/get-iterator-method');
+var createIteratorProxy = require('../internals/iterator-create-proxy');
+var callWithSafeIterationClosing = require('../internals/call-with-safe-iteration-closing');
+
+var IteratorProxy = createIteratorProxy(function (arg) {
+  var iterator = this.iterator;
+  var result, mapped, iteratorMethod, innerIterator;
+
+  while (true) {
+    if (innerIterator = this.innerIterator) {
+      result = anObject(this.innerNext.call(innerIterator));
+      if (!result.done) return result.value;
+      this.innerIterator = this.innerNext = null;
+    }
+
+    result = anObject(this.next.call(iterator, arg));
+
+    if (this.done = !!result.done) return;
+
+    mapped = callWithSafeIterationClosing(iterator, this.mapper, result.value);
+    iteratorMethod = getIteratorMethod(mapped);
+
+    if (iteratorMethod === undefined) {
+      throw TypeError('.flatMap callback should return an iterable object');
+    }
+
+    this.innerIterator = innerIterator = anObject(iteratorMethod.call(mapped));
+    this.innerNext = aFunction(innerIterator.next);
+  }
+});
+
+$({ target: 'Iterator', proto: true, real: true }, {
+  flatMap: function flatMap(mapper) {
+    return new IteratorProxy({
+      iterator: anObject(this),
+      mapper: aFunction(mapper),
+      innerIterator: null,
+      innerNext: null
+    });
+  }
+});