feat: Add protect link against spam

assets/js/main.js

@@ -0,0 +1,19 @@
+const obfuscates = document.getElementsByClassName("obfuscate");
+for (const element of obfuscates) {
+  const link = document.createElement("a");
+  const separators = element.dataset.separators;
+  const protocol = element.dataset.param1.split("").reverse().join("");
+  let url = protocol;
+  for (let i = 0; i < separators.length; i++) {
+    url += separators[i] + element.dataset["param" + (i+2)].split("").reverse().join("");
+  }
+  let text = element.dataset.param2.split("").reverse().join("");
+  for (let i = 1; i < separators.length; i++) {
+    text += separators[i] + element.dataset["param" + (i+2)].split("").reverse().join("");
+  }
+  link.innerText = url.replace(new RegExp(element.dataset.regex, 'i'), element.dataset.replace);
+  link.href = url;
+  link.rel = "nofollow";
+  element.parentElement.insertBefore(link, element);
+}
+while (obfuscates.length > 0) obfuscates[0].remove();

assets/styles/link.sass

@@ -0,0 +1,7 @@
+.obfuscate:before
+  content: attr(data-param2)
+  unicode-bidi: bidi-override
+  direction: rtl
+
+  &.at
+    content: attr(data-param4) "\002E" attr(data-param3) "\0040" attr(data-param2)

assets/styles/main.sass

@@ -1,2 +1,3 @@
 @import "./variables"
 @import "./grid"
+@import "./link"

layouts/_default/_markup/render-link.html

@@ -0,0 +1,36 @@
+{{/*
+  S'il n'y a pas de / dans l'url d'un lien alors on ajoute le path du répertoire
+*/}}
+{{ $isExternalLink := strings.HasPrefix .Destination "http" }}
+{{ $isWebLink := or $isExternalLink (eq 0 (.Destination | strings.Count ":")) }}
+{{ $isTelLink := strings.HasPrefix .Destination "tel:" }}
+{{ $isMailtoLink := strings.HasPrefix .Destination "mailto:" }}
+{{ $hasSlash := in .Destination "/" }}
+{{- if $isWebLink -}}
+  {{ $link := cond (and $isWebLink (and (not $hasSlash) (not $isExternalLink))) (path.Join "/" .Page.Dir .Destination) .Destination }}
+  <a href="{{ $link | safeURL }}"{{ with .Title}} title="{{ . }}"{{ end }}{{ if $isExternalLink }} target="_blank" rel="noopener"{{ end }}>{{ .Text | safeHTML }}</a>
+{{- else -}}
+  {{- $separators := cond $isMailtoLink ":@." ":" -}}
+  {{- $regex := cond $isMailtoLink "[a-z]*:(.*)" "[a-z]*:([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})"}}
+  {{- $replace := cond $isMailtoLink "$1" "$1 $2 $3 $4 $5" -}}
+  {{- $string := .Destination -}}
+  {{- $params := slice -}}
+
+  {{- range split $separators "" }}
+    {{ $parts := split $string . }}
+    {{ $params = $params | append (index $parts 0) }}
+    {{ $string = index $parts 1 }}
+  {{ end }}
+  {{- $params = $params | append (string $string) -}}
+  <span
+    class="obfuscate{{ if $isMailtoLink }} at{{ end }}"
+    data-separators="{{ $separators }}"
+    {{ range $param_index, $param_value := $params }}
+      data-param{{add $param_index 1}}="{{ range $index := seq (sub (len $param_value) 1) 0}}{{ substr $param_value $index 1}}{{ end }}"
+    {{ end }}
+    data-regex="{{ $regex }}"
+    data-replace="{{ $replace }}"
+  >
+  </span>
+{{- end -}}
+