fix(polyfill): use core-js instead of native-promise-only

Author: azu

CONTRIBUTING.md

@@ -2,7 +2,7 @@
 
 PromisesはECMAScriptであることを元に進めるが、現実的に非同期な処理がECMAScriptには少ないのでDOM APIも使用する。
 
-Promisesが実装されていない環境もあるため、[native-promise-only](https://github.com/getify/native-promise-only/ "native-promise-only")をPolyfillとして利用する。
+Promisesが実装されていない環境もあるため、[core-js](https://github.com/zloirock/core-js)をPolyfillとして利用する。
 
 ## プロジェクト構造
 

gulpfile.js

@@ -63,7 +63,6 @@ gulp.task("embed", function() {
         .pipe(gulp.dest("./"));
 });
 gulp.task("lint-html", function(callback) {
-    require("native-promise-only");
     var File = require("./Ch4_AdvancedPromises/src/promise-chain/fs-promise-chain");
     var checkHTML = require("./test/html/missing-internal-link").checkInternalLinks;
 

package.json

@@ -28,7 +28,7 @@
   "dependencies": {
     "codemirror": "^5.46.0",
     "codemirror-console-ui": "^2.0.5",
-    "native-promise-only": "^0.8.1",
+    "core-js": "^3.0.1",
     "w3c-xmlhttprequest": "^2.1.3",
     "ypromise": "^0.3.0"
   },

public/js/console-editor.js

@@ -3,7 +3,7 @@
  * LICENSE : MIT
  */
 "use strict";
-var Promise = require("native-promise-only");
+var Promise = require("core-js-pure/features/promise'");
 var consoleUI = require("codemirror-console-ui");
 module.exports.initialize = function () {
     var attachToElement = consoleUI.attachToElement;

test/test-helper.js

@@ -3,7 +3,7 @@
  * LICENSE : MIT
  */
 "use strict";
-global.Promise = require("native-promise-only");
+global.Promise = require("core-js-pure/features/promise");
 global.shouldFulfilled = require("promise-test-helper").shouldFulfilled;
 global.shouldRejected = require("promise-test-helper").shouldRejected;
 

yarn.lock

@@ -1175,6 +1175,11 @@ core-js@^2.0.0:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.4.1.tgz#4de911e667b0eae9124e34254b53aea6fc618d3e"
 
+core-js@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.0.1.tgz#1343182634298f7f38622f95e73f54e48ddf4738"
+  integrity sha512-sco40rF+2KlE0ROMvydjkrVMMG1vYilP2ALoRXcYR4obqbYIuV3Bg+51GEDW+HF8n7NRA+iaA4qD0nD9lo9mew==
+
 core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -3685,10 +3690,6 @@ nanomatch@^1.2.9:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
-native-promise-only@^0.8.1:
-  version "0.8.1"
-  resolved "https://registry.yarnpkg.com/native-promise-only/-/native-promise-only-0.8.1.tgz#20a318c30cb45f71fe7adfbf7b21c99c1472ef11"
-
 needle@^2.2.1:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/needle/-/needle-2.3.1.tgz#d272f2f4034afb9c4c9ab1379aabc17fc85c9388"