Rework to use async

Author: davedoesdev

coverage/lcov-report/index.html

@@ -23,16 +23,16 @@ <h1>All files</h1>
         <div class='clearfix'>
 
             <div class='fl pad1y space-right2'>
-                <span class="strong">96.25% </span>
+                <span class="strong">98.61% </span>
                 <span class="quiet">Statements</span>
-                <span class='fraction'>154/160</span>
+                <span class='fraction'>142/144</span>
             </div>
 
 
             <div class='fl pad1y space-right2'>
-                <span class="strong">95.12% </span>
+                <span class="strong">100% </span>
                 <span class="quiet">Branches</span>
-                <span class='fraction'>39/41</span>
+                <span class='fraction'>37/37</span>
             </div>
 
 
@@ -44,9 +44,9 @@ <h1>All files</h1>
 
 
             <div class='fl pad1y space-right2'>
-                <span class="strong">96.25% </span>
+                <span class="strong">98.61% </span>
                 <span class="quiet">Lines</span>
-                <span class='fraction'>154/160</span>
+                <span class='fraction'>142/144</span>
             </div>
 
 
@@ -80,17 +80,17 @@ <h1>All files</h1>
 </thead>
 <tbody><tr>
 	<td class="file high" data-value="index.js"><a href="index.js.html">index.js</a></td>
-	<td data-value="96.25" class="pic high">
-	<div class="chart"><div class="cover-fill" style="width: 96%"></div><div class="cover-empty" style="width: 4%"></div></div>
+	<td data-value="98.61" class="pic high">
+	<div class="chart"><div class="cover-fill" style="width: 98%"></div><div class="cover-empty" style="width: 2%"></div></div>
 	</td>
-	<td data-value="96.25" class="pct high">96.25%</td>
-	<td data-value="160" class="abs high">154/160</td>
-	<td data-value="95.12" class="pct high">95.12%</td>
-	<td data-value="41" class="abs high">39/41</td>
+	<td data-value="98.61" class="pct high">98.61%</td>
+	<td data-value="144" class="abs high">142/144</td>
+	<td data-value="100" class="pct high">100%</td>
+	<td data-value="37" class="abs high">37/37</td>
 	<td data-value="91.66" class="pct high">91.66%</td>
 	<td data-value="12" class="abs high">11/12</td>
-	<td data-value="96.25" class="pct high">96.25%</td>
-	<td data-value="160" class="abs high">154/160</td>
+	<td data-value="98.61" class="pct high">98.61%</td>
+	<td data-value="144" class="abs high">142/144</td>
 	</tr>
 
 </tbody>
@@ -101,7 +101,7 @@ <h1>All files</h1>
             <div class='footer quiet pad2 space-top1 center small'>
                 Code coverage generated by
                 <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
-                at 2022-09-19T11:15:51.908Z
+                at 2022-09-19T14:52:26.712Z
             </div>
         <script src="prettify.js"></script>
         <script>

coverage/lcov-report/index.js.html

@@ -23,16 +23,16 @@ <h1><a href="index.html">All files</a> index.js</h1>
         <div class='clearfix'>
 
             <div class='fl pad1y space-right2'>
-                <span class="strong">96.25% </span>
+                <span class="strong">98.61% </span>
                 <span class="quiet">Statements</span>
-                <span class='fraction'>154/160</span>
+                <span class='fraction'>142/144</span>
             </div>
 
 
             <div class='fl pad1y space-right2'>
-                <span class="strong">95.12% </span>
+                <span class="strong">100% </span>
                 <span class="quiet">Branches</span>
-                <span class='fraction'>39/41</span>
+                <span class='fraction'>37/37</span>
             </div>
 
 
@@ -44,9 +44,9 @@ <h1><a href="index.html">All files</a> index.js</h1>
 
 
             <div class='fl pad1y space-right2'>
-                <span class="strong">96.25% </span>
+                <span class="strong">98.61% </span>
                 <span class="quiet">Lines</span>
-                <span class='fraction'>154/160</span>
+                <span class='fraction'>142/144</span>
             </div>
 
 
@@ -207,23 +207,7 @@ <h1><a href="index.html">All files</a> index.js</h1>
 <a name='L142'></a><a href='#L142'>142</a>
 <a name='L143'></a><a href='#L143'>143</a>
 <a name='L144'></a><a href='#L144'>144</a>
-<a name='L145'></a><a href='#L145'>145</a>
-<a name='L146'></a><a href='#L146'>146</a>
-<a name='L147'></a><a href='#L147'>147</a>
-<a name='L148'></a><a href='#L148'>148</a>
-<a name='L149'></a><a href='#L149'>149</a>
-<a name='L150'></a><a href='#L150'>150</a>
-<a name='L151'></a><a href='#L151'>151</a>
-<a name='L152'></a><a href='#L152'>152</a>
-<a name='L153'></a><a href='#L153'>153</a>
-<a name='L154'></a><a href='#L154'>154</a>
-<a name='L155'></a><a href='#L155'>155</a>
-<a name='L156'></a><a href='#L156'>156</a>
-<a name='L157'></a><a href='#L157'>157</a>
-<a name='L158'></a><a href='#L158'>158</a>
-<a name='L159'></a><a href='#L159'>159</a>
-<a name='L160'></a><a href='#L160'>160</a>
-<a name='L161'></a><a href='#L161'>161</a></td><td class="line-coverage quiet"><span class="cline-any cline-yes">1x</span>
+<a name='L145'></a><a href='#L145'>145</a></td><td class="line-coverage quiet"><span class="cline-any cline-yes">1x</span>
 <span class="cline-any cline-yes">1x</span>
 <span class="cline-any cline-yes">1x</span>
 <span class="cline-any cline-yes">1x</span>
@@ -301,14 +285,8 @@ <h1><a href="index.html">All files</a> index.js</h1>
 <span class="cline-any cline-yes">6x</span>
 <span class="cline-any cline-yes">6x</span>
 <span class="cline-any cline-yes">6x</span>
-<span class="cline-any cline-yes">1x</span>
-<span class="cline-any cline-yes">1x</span>
-<span class="cline-any cline-yes">5x</span>
-<span class="cline-any cline-yes">5x</span>
-<span class="cline-any cline-yes">5x</span>
-<span class="cline-any cline-yes">5x</span>
-<span class="cline-any cline-yes">5x</span>
-<span class="cline-any cline-yes">5x</span>
+<span class="cline-any cline-yes">6x</span>
+<span class="cline-any cline-yes">6x</span>
 <span class="cline-any cline-yes">5x</span>
 <span class="cline-any cline-yes">5x</span>
 <span class="cline-any cline-yes">5x</span>
@@ -353,7 +331,6 @@ <h1><a href="index.html">All files</a> index.js</h1>
 <span class="cline-any cline-yes">5x</span>
 <span class="cline-any cline-yes">5x</span>
 <span class="cline-any cline-yes">5x</span>
-<span class="cline-any cline-yes">5x</span>
 <span class="cline-any cline-yes">4x</span>
 <span class="cline-any cline-yes">1x</span>
 <span class="cline-any cline-yes">1x</span>
@@ -364,21 +341,12 @@ <h1><a href="index.html">All files</a> index.js</h1>
 <span class="cline-any cline-yes">5x</span>
 <span class="cline-any cline-yes">5x</span>
 <span class="cline-any cline-yes">5x</span>
-<span class="cline-any cline-yes">5x</span>
-<span class="cline-any cline-yes">5x</span>
 <span class="cline-any cline-yes">4x</span>
-<span class="cline-any cline-no">&nbsp;</span>
-<span class="cline-any cline-no">&nbsp;</span>
 <span class="cline-any cline-yes">4x</span>
 <span class="cline-any cline-yes">4x</span>
-<span class="cline-any cline-no">&nbsp;</span>
-<span class="cline-any cline-no">&nbsp;</span>
-<span class="cline-any cline-yes">4x</span>
-<span class="cline-any cline-yes">4x</span>
-<span class="cline-any cline-yes">5x</span>
 <span class="cline-any cline-yes">6x</span>
-<span class="cline-any cline-yes">1x</span>
-<span class="cline-any cline-yes">1x</span>
+<span class="cline-any cline-yes">2x</span>
+<span class="cline-any cline-yes">2x</span>
 <span class="cline-any cline-yes">6x</span>
 <span class="cline-any cline-yes">1x</span>
 <span class="cline-any cline-yes">1x</span>
@@ -390,7 +358,7 @@ <h1><a href="index.html">All files</a> index.js</h1>
 const path = require('path');
 const events = require('events');
 const crypto = require('crypto');
-const { callbackify, promisify } = require('util');
+const { promisify } = require('util');
 &nbsp;
 function argify(f) {
     return promisify((...args) =&gt; {
@@ -459,16 +427,10 @@ <h1><a href="index.html">All files</a> index.js</h1>
         cb(err);
     }
 &nbsp;
-    crypto.randomBytes(64, (err, uid) =&gt; {
-        if (err) {
-            return error(err);
-        }
-&nbsp;
+    (async () =&gt; {
         try {
-            uid = uid.toString('hex');
-&nbsp;
             let init_err;
-&nbsp;
+            const uid = (await promisify(crypto.randomBytes)(64)).toString('hex');
             const gt = {
                 crypto: require('crypto'),
                 performance: require('perf_hooks').performance,
@@ -509,7 +471,6 @@ <h1><a href="index.html">All files</a> index.js</h1>
             };
 &nbsp;
             const wasm_file = path.join(__dirname, 'webauthn4js.wasm');
-&nbsp;
             require('./wasm_exec.js')(gt);
             const go = new gt.Go();
             go.argv = [ wasm_file, uid ];
@@ -523,23 +484,14 @@ <h1><a href="index.html">All files</a> index.js</h1>
                 webauthn.emit('exit', n);
             };
 &nbsp;
-            fs.readFile(
-                wasm_file,
-                (err, data) =&gt; {
-                    if (err) <span class="branch-0 cbranch-no" title="branch not covered" >{</span>
-<span class="cstat-no" title="statement not covered" >                        return error(err);</span>
-<span class="cstat-no" title="statement not covered" >                    }</span>
-                    callbackify(WebAssembly.instantiate)(data, go.importObject, (err, result) =&gt; {
-                        if (err) <span class="branch-0 cbranch-no" title="branch not covered" >{</span>
-<span class="cstat-no" title="statement not covered" >                            return error(err);</span>
-<span class="cstat-no" title="statement not covered" >                        }</span>
-                        go.run(result.instance);
-                    });
-                });
+            const data = await fs.promises.readFile(wasm_file);
+            const result = await WebAssembly.instantiate(data, go.importObject);
+&nbsp;
+            go.run(result.instance);
         } catch (ex) {
             error(ex);
         }
-    });
+    })();
 });
 &nbsp;
 module.exports.schemas = require('./schemas/schemas.json');
@@ -550,7 +502,7 @@ <h1><a href="index.html">All files</a> index.js</h1>
             <div class='footer quiet pad2 space-top1 center small'>
                 Code coverage generated by
                 <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
-                at 2022-09-19T11:15:51.908Z
+                at 2022-09-19T14:52:26.712Z
             </div>
         <script src="prettify.js"></script>
         <script>