add template

src/app/app.code.component.ts

@@ -0,0 +1,34 @@
+import { Component, ElementRef, AfterViewInit, Input, NgModule, ViewChild } from '@angular/core';
+import { CommonModule } from '@angular/common';
+
+@Component({
+    selector: 'app-code',
+    template: `
+        <pre [ngClass]="'language-' + lang"><code #code><ng-content></ng-content>
+</code></pre>
+    `,
+    styleUrls: ['./app.code.component.scss']
+})
+export class AppCodeComponent implements AfterViewInit {
+
+    @Input() lang = 'markup';
+
+    @ViewChild('code') codeViewChild: ElementRef;
+
+    constructor(public el: ElementRef) { }
+
+    ngAfterViewInit() {
+        // @ts-ignore
+        if (window['Prism']) {
+            // @ts-ignore
+            window['Prism'].highlightElement(this.codeViewChild.nativeElement);
+        }
+    }
+}
+
+@NgModule({
+    imports: [CommonModule],
+    exports: [AppCodeComponent],
+    declarations: [AppCodeComponent]
+})
+export class AppCodeModule { }