HTML document, ASCII text
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<form>
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<input type="text" name="editing" id="BlogFileName">
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<label for="BlogFileName">Blog post to edit.</label><br>
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<button>Edit</button><br>
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<em>Note: if none is selected, a new one will be created.</em>
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</form>
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<b id="NoPostFound" style="display:none">Cannot edit a non-existant post.</b>
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<form id="mainform" action="/DevHelp/.BlogBuilder" method="post">
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<input type="text" name="title" placeholder="Insert title..."><br>
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<textarea name="Body"></textarea><br>
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<button>Post</button>
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</form>
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<script>
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const query = new URLSearchParams(location.search);
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var NewPost = !query.has("editing") || query.get("editing") == "";
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if (!NewPost) {
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fetch(`/blog/${query.get("editing")}.md`)
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.then(res => {
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if (!res.ok) {
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NewPost = true;
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return "";
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}
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return res.text()
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})
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.then(res => {
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if (res == "") {
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document.querySelector("#mainform").style.display = "none";
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document.querySelector("#NoPostFound").style.display = "block";
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return;
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}
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})
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}
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</script>