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rewrite pod2html javascript to avoid jquery #3217

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merged 2 commits into from
Nov 4, 2024
Merged

rewrite pod2html javascript to avoid jquery #3217

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cd18f25
simpler handling of select boxes
haarg Oct 28, 2024
d536ba6
rewrite pod2html js without jquery
haarg Oct 28, 2024
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7 changes: 7 additions & 0 deletions root/pod2html/pod2html.tx
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,13 @@
%% }
%% override content -> {
<div class="metacpan-pod-renderer">
<template id="metacpan-pod-renderer-content">
<nav class="toc">
<div class="toc-header"><strong>Contents</strong></div>
<div class="toc-body"></div>
</nav>
<div class="pod-body"></div>
</template>
<div class="panel panel-default">
<div class="panel-heading" role="tab">
<h3 class="panel-title">Pod Renderer</h3>
Expand Down
4 changes: 2 additions & 2 deletions root/static/js/dropdown.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
for (const el of document.querySelectorAll('.dropdown select')) {
el.addEventListener('change', e => {
document.location.href = e.target.value;
el.addEventListener('change', () => {
document.location.href = el.value;
Dismissed Show dismissed Hide dismissed
});
}
222 changes: 119 additions & 103 deletions root/static/js/pod2html.mjs
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Original file line number Diff line number Diff line change
@@ -1,116 +1,132 @@
import jQuery from 'jquery';
import {
formatTOC,
createAnchors
}
from './document-ui.mjs';

const pod2html_form = jQuery('#metacpan-pod-renderer-form');
const pod2html_text = jQuery('[name="pod"]', pod2html_form);
const pod2html_update = function(pod) {
if (!pod) {
pod = pod2html_text.get(0).value;
}
const submit = pod2html_form.find('input[type="submit"]');
submit.attr("disabled", "disabled");
const rendered = jQuery('#metacpan-pod-renderer-output');
const loading = jQuery('#metacpan-pod-renderer-loading');
const error = jQuery('#metacpan-pod-renderer-error');
rendered.hide();
rendered.html('');
loading.show();
error.hide();
document.title = "Pod Renderer - metacpan.org";
jQuery.ajax({
url: '/pod2html',
method: 'POST',
data: {
pod: pod
},
headers: {
Accept: "application/json"
},
success: function(data) {
const title = data.pod_title;
document.title = "Pod Renderer - " + title + " - metacpan.org";
rendered.html(
'<nav class="toc"><div class="toc-header"><strong>Contents</strong></div>' +
data.pod_index +
'</nav>' +
data.pod_html
);
var toc = jQuery("nav", rendered);
if (toc.length) {
formatTOC(toc[0]);
const pod2htmlForm = document.querySelector('#metacpan-pod-renderer-form');
if (pod2htmlForm) {
const textInput = pod2htmlForm.querySelector('[name="pod"]');
const submit = pod2htmlForm.querySelector('input[type="submit"]');
const renderer = document.querySelector('.metacpan-pod-renderer');
const rendered = document.querySelector('#metacpan-pod-renderer-output');
const loading = document.querySelector('#metacpan-pod-renderer-loading');
const error = document.querySelector('#metacpan-pod-renderer-error');
const template = document.querySelector('#metacpan-pod-renderer-content');

const updateHTML = async (pod) => {
if (!pod) {
pod = textInput.value;
}
submit.disabled = true;
document.title = "Pod Renderer - metacpan.org";

rendered.style.display = 'none';
rendered.replaceChildren();
loading.style.display = 'block';
error.style.display = 'none';

try {
const form = new FormData();
form.set('pod', pod);

const response = await fetch('/pod2html', {
method: 'POST',
headers: {
"Accept": "application/json",
},
body: form,
});

if (!response.ok) {
throw new Error(await response.text());
}

const data = await response.json();

document.title = "Pod Renderer - " + data.pod_title + " - metacpan.org";

const body = template.content.cloneNode(true);
body.querySelector('.toc-body').outerHTML = data.pod_index;
body.querySelector('.pod-body').outerHTML = data.pod_html;
rendered.replaceChildren(body);

formatTOC(rendered.querySelector('nav'));
createAnchors(rendered);
loading.hide();
error.hide();
rendered.show();
submit.removeAttr("disabled");
},
error: function(data) {
rendered.hide();
loading.hide();
error.html('Error rendering POD' +
(data && data.length ? ' - ' + data : ''));
error.show();
submit.removeAttr("disabled");

loading.style.display = 'none';
error.style.display = 'none';
rendered.style.display = 'block';

submit.disabled = false;
}
catch (err) {
rendered.style.display = 'none';
loading.style.display = 'none';

error.replaceChildren();
error.append('Error rendering POD - ' + err.message);
error.style.display = 'block';
submit.disabled = false;
}
};

pod2htmlForm.addEventListener('submit', (ev) => {
ev.preventDefault();
ev.stopPropagation();
updateHTML();
});
};
if (window.FileReader) {
jQuery('input[type="file"]', pod2html_form).on('change', function() {
const files = this.files;
for (var i = 0; i < files.length; i++) {
const file = files[i];
const reader = new FileReader();
reader.onload = function(e) {
pod2html_text.get(0).value = e.target.result;
pod2html_update(e.target.result);
};
reader.readAsText(file);

const readFile = (file) => {
const reader = new FileReader();
reader.addEventListener('load', () => {
textInput.value = reader.result;
updateHTML(reader.result);
});
reader.readAsText(file);
};

const fileInput = pod2htmlForm.querySelector('input[type="file"]');
fileInput.addEventListener('change', () => {
const file = fileInput.files[0];
if (!file) {
return;
}
readFile(file);
fileInput.value = null;
});

let dragTimer;
renderer.addEventListener("dragover", (ev) => {
ev.preventDefault();
if (dragTimer) {
window.clearTimeout(dragTimer);
}
dragTimer = window.setTimeout(() => {
renderer.classList.remove("dragging");
window.clearTimeout(dragTimer);
dragTimer = null;
}, 500);
});

document.addEventListener("dragenter", function() {
renderer.classList.add("dragging");
});

renderer.addEventListener("drop", (ev) => {
const data = ev.dataTransfer;
if (data && data.files && data.files.length) {
const file = data.files[0];

ev.preventDefault();
ev.stopPropagation();
renderer.classList.remove("dragging");
if (dragTimer) {
window.clearTimeout(dragTimer);
dragTimer = null;
}

readFile(file);
}
this.value = null;
});
}
pod2html_form.on('submit', function(e) {
e.preventDefault();
e.stopPropagation();
pod2html_update();
});

const renderer = jQuery(".metacpan-pod-renderer")

let dragTimer;
renderer.on("dragover", function(event) {
event.preventDefault();
if (dragTimer) {
window.clearTimeout(dragTimer);
}
dragTimer = window.setTimeout(function() {
renderer.removeClass("dragging");
window.clearTimeout(dragTimer);
dragTimer = null;
}, 500);
});

jQuery(document).on("dragenter", function() {
renderer.addClass("dragging");
});

renderer.on("drop", function(event) {
event.preventDefault();
event.stopPropagation();
renderer.removeClass("dragging");
if (dragTimer) {
window.clearTimeout(dragTimer);
dragTimer = null;
}
const reader = new FileReader();
reader.onload = function(e) {
pod2html_text.get(0).value = e.target.result;
pod2html_update(e.target.result);
};
reader.readAsText(event.originalEvent.dataTransfer.files[0]);
});