feat: Upgrade build pipeline to babel 7

mikehall314 · Aug 27, 2019 · 07dd174 · 07dd174
1 parent b24ca46
commit 07dd174
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Showing 4 changed files with 2,361 additions and 1,268 deletions.
diff --git a/.babelrc b/.babelrc
@@ -1,3 +1,3 @@
 {
-  "presets": ["es2015"]
+  "presets": ["@babel/preset-env"]
 }
diff --git a/dist/promisify.js b/dist/promisify.js
@@ -1,12 +1,12 @@
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
-    value: true
+  value: true
 });
+exports.promisify = promisify;
 // Symbols is a better way to do this, but not all browsers have good support,
 // so instead we'll just make do with a very unlikely string.
 var customArgumentsToken = "__ES6-PROMISIFY--CUSTOM-ARGUMENTS__";
-
 /**
  * promisify()
  * Transforms callback-based function -- func(arg1, arg2 .. argN, callback) -- into
@@ -16,69 +16,61 @@ var customArgumentsToken = "__ES6-PROMISIFY--CUSTOM-ARGUMENTS__";
  * @param {function} original - The function to promisify
  * @return {function} A promisified version of `original`
  */
+
 function promisify(original) {
+  // Ensure the argument is a function
+  if (typeof original !== "function") {
+    throw new TypeError("Argument to promisify must be a function");
+  } // If the user has asked us to decode argument names for them, honour that
 
-    // Ensure the argument is a function
-    if (typeof original !== "function") {
-        throw new TypeError("Argument to promisify must be a function");
-    }
 
-    // If the user has asked us to decode argument names for them, honour that
-    var argumentNames = original[customArgumentsToken];
+  var argumentNames = original[customArgumentsToken]; // If the user has supplied a custom Promise implementation, use it. Otherwise
+  // fall back to whatever we can find on the global object.
 
-    // If the user has supplied a custom Promise implementation, use it. Otherwise
-    // fall back to whatever we can find on the global object.
-    var ES6Promise = promisify.Promise || Promise;
+  var ES6Promise = promisify.Promise || Promise; // If we can find no Promise implemention, then fail now.
 
-    // If we can find no Promise implemention, then fail now.
-    if (typeof ES6Promise !== "function") {
-        throw new Error("No Promise implementation found; do you need a polyfill?");
-    }
+  if (typeof ES6Promise !== "function") {
+    throw new Error("No Promise implementation found; do you need a polyfill?");
+  }
 
-    return function () {
-        var _this = this;
+  return function () {
+    var _this = this;
 
-        for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
-            args[_key] = arguments[_key];
-        }
-
-        return new ES6Promise(function (resolve, reject) {
+    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
 
-            // Append the callback bound to the context
-            args.push(function callback(err) {
+    return new ES6Promise(function (resolve, reject) {
+      // Append the callback bound to the context
+      args.push(function callback(err) {
+        if (err) {
+          return reject(err);
+        }
 
-                if (err) {
-                    return reject(err);
-                }
+        for (var _len2 = arguments.length, values = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
+          values[_key2 - 1] = arguments[_key2];
+        }
 
-                for (var _len2 = arguments.length, values = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
-                    values[_key2 - 1] = arguments[_key2];
-                }
+        if (values.length === 1 || !argumentNames) {
+          return resolve(values[0]);
+        }
 
-                if (values.length === 1 || !argumentNames) {
-                    return resolve(values[0]);
-                }
+        var o = {};
+        values.forEach(function (value, index) {
+          var name = argumentNames[index];
 
-                var o = {};
-                values.forEach(function (value, index) {
-                    var name = argumentNames[index];
-                    if (name) {
-                        o[name] = value;
-                    }
-                });
+          if (name) {
+            o[name] = value;
+          }
+        });
+        resolve(o);
+      }); // Call the function.
 
-                resolve(o);
-            });
+      original.call.apply(original, [_this].concat(args));
+    });
+  };
+} // Attach this symbol to the exported function, so users can use it
 
-            // Call the function.
-            original.call.apply(original, [_this].concat(args));
-        });
-    };
-}
 
-// Attach this symbol to the exported function, so users can use it
 promisify.argumentNames = customArgumentsToken;
-promisify.Promise = undefined;
-
-// Export the public API
-exports.promisify = promisify;
+promisify.Promise = undefined; // Export the public API