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node_modules/core-js/modules/es.number.to-precision.js

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+'use strict';
+var $ = require('../internals/export');
+var uncurryThis = require('../internals/function-uncurry-this');
+var fails = require('../internals/fails');
+var thisNumberValue = require('../internals/this-number-value');
+
+var nativeToPrecision = uncurryThis(1.0.toPrecision);
+
+var FORCED = fails(function () {
+  // IE7-
+  return nativeToPrecision(1, undefined) !== '1';
+}) || !fails(function () {
+  // V8 ~ Android 4.3-
+  nativeToPrecision({});
+});
+
+// `Number.prototype.toPrecision` method
+// https://tc39.es/ecma262/#sec-number.prototype.toprecision
+$({ target: 'Number', proto: true, forced: FORCED }, {
+  toPrecision: function toPrecision(precision) {
+    return precision === undefined
+      ? nativeToPrecision(thisNumberValue(this))
+      : nativeToPrecision(thisNumberValue(this), precision);
+  }
+});