tools: move eslint from tools to tools/node_modules

This is required because we need to add the babel-eslint dependency
and it has to be able to resolve "eslint".
babel-eslint is required to support future ES features such as async
iterators and import.meta.

Refs: https://github.com/nodejs/node/pull/17755
PR-URL: https://github.com/nodejs/node/pull/17820
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>

1 files changed, 130 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/node_modules/prelude-ls/lib/Num.js b/tools/node_modules/eslint/node_modules/prelude-ls/lib/Num.js
new file mode 100644
index 0000000000..0e25be7b38
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/prelude-ls/lib/Num.js
@@ -0,0 +1,130 @@
+// Generated by LiveScript 1.4.0
+var max, min, negate, abs, signum, quot, rem, div, mod, recip, pi, tau, exp, sqrt, ln, pow, sin, tan, cos, asin, acos, atan, atan2, truncate, round, ceiling, floor, isItNaN, even, odd, gcd, lcm;
+max = curry$(function(x$, y$){
+  return x$ > y$ ? x$ : y$;
+});
+min = curry$(function(x$, y$){
+  return x$ < y$ ? x$ : y$;
+});
+negate = function(x){
+  return -x;
+};
+abs = Math.abs;
+signum = function(x){
+  if (x < 0) {
+    return -1;
+  } else if (x > 0) {
+    return 1;
+  } else {
+    return 0;
+  }
+};
+quot = curry$(function(x, y){
+  return ~~(x / y);
+});
+rem = curry$(function(x$, y$){
+  return x$ % y$;
+});
+div = curry$(function(x, y){
+  return Math.floor(x / y);
+});
+mod = curry$(function(x$, y$){
+  var ref$;
+  return (((x$) % (ref$ = y$) + ref$) % ref$);
+});
+recip = (function(it){
+  return 1 / it;
+});
+pi = Math.PI;
+tau = pi * 2;
+exp = Math.exp;
+sqrt = Math.sqrt;
+ln = Math.log;
+pow = curry$(function(x$, y$){
+  return Math.pow(x$, y$);
+});
+sin = Math.sin;
+tan = Math.tan;
+cos = Math.cos;
+asin = Math.asin;
+acos = Math.acos;
+atan = Math.atan;
+atan2 = curry$(function(x, y){
+  return Math.atan2(x, y);
+});
+truncate = function(x){
+  return ~~x;
+};
+round = Math.round;
+ceiling = Math.ceil;
+floor = Math.floor;
+isItNaN = function(x){
+  return x !== x;
+};
+even = function(x){
+  return x % 2 === 0;
+};
+odd = function(x){
+  return x % 2 !== 0;
+};
+gcd = curry$(function(x, y){
+  var z;
+  x = Math.abs(x);
+  y = Math.abs(y);
+  while (y !== 0) {
+    z = x % y;
+    x = y;
+    y = z;
+  }
+  return x;
+});
+lcm = curry$(function(x, y){
+  return Math.abs(Math.floor(x / gcd(x, y) * y));
+});
+module.exports = {
+  max: max,
+  min: min,
+  negate: negate,
+  abs: abs,
+  signum: signum,
+  quot: quot,
+  rem: rem,
+  div: div,
+  mod: mod,
+  recip: recip,
+  pi: pi,
+  tau: tau,
+  exp: exp,
+  sqrt: sqrt,
+  ln: ln,
+  pow: pow,
+  sin: sin,
+  tan: tan,
+  cos: cos,
+  acos: acos,
+  asin: asin,
+  atan: atan,
+  atan2: atan2,
+  truncate: truncate,
+  round: round,
+  ceiling: ceiling,
+  floor: floor,
+  isItNaN: isItNaN,
+  even: even,
+  odd: odd,
+  gcd: gcd,
+  lcm: lcm
+};
+function curry$(f, bound){
+  var context,
+  _curry = function(args) {
+    return f.length > 1 ? function(){
+      var params = args ? args.concat() : [];
+      context = bound ? context || this : this;
+      return params.push.apply(params, arguments) <
+          f.length && arguments.length ?
+        _curry.call(context, params) : f.apply(context, params);
+    } : f;
+  };
+  return _curry();
+}
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