Add location hash detection (#26)

* Support location hashes
* install query-selector-shadow-dom
* Scroll anchor element into view that matches hash
* Pass hash on initial load
* Use open-wc in test suite
* Use @open-wc/testing for fixtures and assertions
* Upgrade all tests
* 0.9.0-alpha.0

Author: Mark Kennedy

.babelrc.js

@@ -0,0 +1,15 @@
+module.exports = {
+    presets: [
+        '@babel/preset-typescript',
+        [
+            '@babel/preset-env',
+            {
+                useBuiltIns: 'usage',
+                corejs: 3,
+                targets: {
+                    browsers: ['last 2 versions', 'ie >= 11']
+                }
+            }
+        ]
+    ]
+};

.gitignore

@@ -5,3 +5,4 @@ node_modules
 coverage
 .rpt2_cache
 dist
+.coverage

karma.conf.js

@@ -1,19 +1,21 @@
 module.exports = function(config) {
     config.set({
-        files: ['tests/**/*.ts', 'src/**/*.ts'],
-        preprocessors: {
-            '**/*.ts': ['karma-typescript'],
+        files: [{ pattern: 'tests/**/*.ts', type: 'module' }],
+
+        plugins: [require.resolve('@open-wc/karma-esm'), 'karma-mocha', 'karma-chrome-launcher', 'karma-coverage'],
+        esm: {
+            nodeResolve: true,
+            compatibility: 'all',
+            fileExtensions: ['.ts'],
+            babel: true
         },
-        karmaTypescriptConfig: {
-            compilerOptions: {
-                module: "commonjs",
-                sourceMap: true,
-                target: "es6"
-            },
-            exclude: ["node_modules"]
+        coverageReporter: {
+            includeAllSources: true,
+            dir: '.coverage',
+            reporters: [{ type: 'lcov', subdir: '.' }, { type: 'text-summary' }]
         },
-        reporters: ['progress', 'karma-typescript'],
-        frameworks: ['mocha', 'karma-typescript'],
+        reporters: ['progress', 'coverage'],
+        frameworks: ['esm', 'mocha'],
         port: 9876,
         colors: true,
         logLevel: config.LOG_INFO,