@bigcommerce/script-loader - npm Package Compare versions

Comparing version 0.1.6 to 0.2.0

CHANGELOG.md

@@ -5,2 +5,13 @@ # Change Log
 
+<a name="0.2.0"></a>
+# [0.2.0](https://github.com/bigcommerce/script-loader-js/compare/v0.1.6...v0.2.0) (2019-09-20)
+
+
+### Features
+
+* **common:** CHECKOUT-4400 Add StylesheetLoader for loading stylesheets ([06fd92b](https://github.com/bigcommerce/script-loader-js/commit/06fd92b))
+* **common:** CHECKOUT-4400 Load multiple scripts in parallel and run them in series ([4d140a6](https://github.com/bigcommerce/script-loader-js/commit/4d140a6))
+
+
+
 <a name="0.1.6"></a>
@@ -7,0 +18,0 @@ ## [0.1.6](https://github.com/bigcommerce/script-loader-js/compare/v0.1.5...v0.1.6) (2018-08-23)

lib/index.d.ts

 export { default as ScriptLoader } from './script-loader';
 export { default as createScriptLoader } from './create-script-loader';
 export { default as getScriptLoader } from './get-script-loader';
+export { default as StylesheetLoader } from './stylesheet-loader';
+export { default as createStylesheetLoader } from './create-stylesheet-loader';
+export { default as getStylesheetLoader } from './get-stylesheet-loader';

lib/index.js

@@ -9,2 +9,8 @@ "use strict";
 exports.getScriptLoader = get_script_loader_1.default;
+var stylesheet_loader_1 = require("./stylesheet-loader");
+exports.StylesheetLoader = stylesheet_loader_1.default;
+var create_stylesheet_loader_1 = require("./create-stylesheet-loader");
+exports.createStylesheetLoader = create_stylesheet_loader_1.default;
+var get_stylesheet_loader_1 = require("./get-stylesheet-loader");
+exports.getStylesheetLoader = get_stylesheet_loader_1.default;
 //# sourceMappingURL=index.js.map

lib/script-loader.d.ts

 export default class ScriptLoader {
     private _scripts;
+    private _preloadedScripts;
     loadScript(src: string): Promise<Event>;
+    loadScripts(urls: string[]): Promise<Event[]>;
+    preloadScript(url: string): Promise<Event>;
+    preloadScripts(urls: string[]): Promise<Event[]>;
 }

lib/script-loader.js

@@ -6,2 +6,3 @@ "use strict";
         this._scripts = {};
+        this._preloadedScripts = {};
     }
@@ -26,2 +27,48 @@ ScriptLoader.prototype.loadScript = function (src) {
     };
+    ScriptLoader.prototype.loadScripts = function (urls) {
+        var _this = this;
+        var events = [];
+        var promise;
+        return this.preloadScripts(urls)
+            .then(function () {
+            urls.forEach(function (url) {
+                if (promise) {
+                    promise = promise.then(function () { return _this.loadScript(url); });
+                }
+                else {
+                    promise = _this.loadScript(url);
+                }
+                promise = promise.then(function (event) {
+                    events.push(event);
+                    return event;
+                });
+            });
+            return promise;
+        })
+            .then(function () { return events; });
+    };
+    ScriptLoader.prototype.preloadScript = function (url) {
+        var _this = this;
+        if (!this._preloadedScripts[url]) {
+            this._preloadedScripts[url] = new Promise(function (resolve, reject) {
+                var preloadedScript = document.createElement('link');
+                preloadedScript.as = 'script';
+                preloadedScript.rel = 'preload';
+                preloadedScript.href = url;
+                preloadedScript.onload = function (event) {
+                    resolve(event);
+                };
+                preloadedScript.onerror = function (event) {
+                    delete _this._preloadedScripts[url];
+                    reject(event);
+                };
+                document.head.appendChild(preloadedScript);
+            });
+        }
+        return this._preloadedScripts[url];
+    };
+    ScriptLoader.prototype.preloadScripts = function (urls) {
+        var _this = this;
+        return Promise.all(urls.map(function (url) { return _this.preloadScript(url); }));
+    };
     return ScriptLoader;
@@ -28,0 +75,0 @@ }());

package.json

 {
   "name": "@bigcommerce/script-loader",
-  "version": "0.1.6",
+  "version": "0.2.0",
   "description": "A library for loading JavaScript files asynchronously",
@@ -35,3 +35,3 @@ "license": "MIT",
   "dependencies": {
-    "tslib": "^1.8.0"
+    "tslib": "^1.10.0"
   },
@@ -46,5 +46,5 @@ "devDependencies": {
     "ts-jest": "^21.2.3",
-    "tslint": "^5.9.1",
-    "typescript": "^2.7.1"
+    "tslint": "^5.18.0",
+    "typescript": "^3.5.3"
   }
 }

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Improved metrics

Total package byte prevSize

24525

increased by116.48%

Number of package files

25

increased by56.25%

Lines of code

190

increased by196.88%

Dependency changes

• Updatedtslib@^1.10.0