Rewriting Project

1 files changed, 126 insertions, 0 deletions

diff --git a/node_modules/core-js/modules/es.number.to-fixed.js b/node_modules/core-js/modules/es.number.to-fixed.js
new file mode 100644
index 0000000..fa4d3e2
--- /dev/null
+++ b/node_modules/core-js/modules/es.number.to-fixed.js
@@ -0,0 +1,126 @@
+'use strict';
+var $ = require('../internals/export');
+var toInteger = require('../internals/to-integer');
+var thisNumberValue = require('../internals/this-number-value');
+var repeat = require('../internals/string-repeat');
+var fails = require('../internals/fails');
+
+var nativeToFixed = 1.0.toFixed;
+var floor = Math.floor;
+
+var pow = function (x, n, acc) {
+  return n === 0 ? acc : n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc);
+};
+
+var log = function (x) {
+  var n = 0;
+  var x2 = x;
+  while (x2 >= 4096) {
+    n += 12;
+    x2 /= 4096;
+  }
+  while (x2 >= 2) {
+    n += 1;
+    x2 /= 2;
+  } return n;
+};
+
+var FORCED = nativeToFixed && (
+  0.00008.toFixed(3) !== '0.000' ||
+  0.9.toFixed(0) !== '1' ||
+  1.255.toFixed(2) !== '1.25' ||
+  1000000000000000128.0.toFixed(0) !== '1000000000000000128'
+) || !fails(function () {
+  // V8 ~ Android 4.3-
+  nativeToFixed.call({});
+});
+
+// `Number.prototype.toFixed` method
+// https://tc39.github.io/ecma262/#sec-number.prototype.tofixed
+$({ target: 'Number', proto: true, forced: FORCED }, {
+  // eslint-disable-next-line max-statements
+  toFixed: function toFixed(fractionDigits) {
+    var number = thisNumberValue(this);
+    var fractDigits = toInteger(fractionDigits);
+    var data = [0, 0, 0, 0, 0, 0];
+    var sign = '';
+    var result = '0';
+    var e, z, j, k;
+
+    var multiply = function (n, c) {
+      var index = -1;
+      var c2 = c;
+      while (++index < 6) {
+        c2 += n * data[index];
+        data[index] = c2 % 1e7;
+        c2 = floor(c2 / 1e7);
+      }
+    };
+
+    var divide = function (n) {
+      var index = 6;
+      var c = 0;
+      while (--index >= 0) {
+        c += data[index];
+        data[index] = floor(c / n);
+        c = (c % n) * 1e7;
+      }
+    };
+
+    var dataToString = function () {
+      var index = 6;
+      var s = '';
+      while (--index >= 0) {
+        if (s !== '' || index === 0 || data[index] !== 0) {
+          var t = String(data[index]);
+          s = s === '' ? t : s + repeat.call('0', 7 - t.length) + t;
+        }
+      } return s;
+    };
+
+    if (fractDigits < 0 || fractDigits > 20) throw RangeError('Incorrect fraction digits');
+    // eslint-disable-next-line no-self-compare
+    if (number != number) return 'NaN';
+    if (number <= -1e21 || number >= 1e21) return String(number);
+    if (number < 0) {
+      sign = '-';
+      number = -number;
+    }
+    if (number > 1e-21) {
+      e = log(number * pow(2, 69, 1)) - 69;
+      z = e < 0 ? number * pow(2, -e, 1) : number / pow(2, e, 1);
+      z *= 0x10000000000000;
+      e = 52 - e;
+      if (e > 0) {
+        multiply(0, z);
+        j = fractDigits;
+        while (j >= 7) {
+          multiply(1e7, 0);
+          j -= 7;
+        }
+        multiply(pow(10, j, 1), 0);
+        j = e - 1;
+        while (j >= 23) {
+          divide(1 << 23);
+          j -= 23;
+        }
+        divide(1 << j);
+        multiply(1, 1);
+        divide(2);
+        result = dataToString();
+      } else {
+        multiply(0, z);
+        multiply(1 << -e, 0);
+        result = dataToString() + repeat.call('0', fractDigits);
+      }
+    }
+    if (fractDigits > 0) {
+      k = result.length;
+      result = sign + (k <= fractDigits
+        ? '0.' + repeat.call('0', fractDigits - k) + result
+        : result.slice(0, k - fractDigits) + '.' + result.slice(k - fractDigits));
+    } else {
+      result = sign + result;
+    } return result;
+  }
+});