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fix(reader): add unsafe-eval to CSP and improve formatting

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- Add 'unsafe-eval' to Content-Security-Policy script-src directive
  to support dynamic module evaluation required by ES modules
- Standardize HTML formatting:
  - Use lowercase doctype declaration
  - Use double quotes consistently
  - Improve indentation for readability
- Format CSS properties (box-shadow, transition) across multiple lines
- Close void elements with / for consistency

The CSP change is necessary for the ES module system to function
correctly in the browser environment.
This commit is contained in:
john-okeefe
2026-04-13 20:14:08 -04:00
parent 5149ab1a88
commit bb5017b99b
1 changed files with 190 additions and 155 deletions
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reader.html
+190 -155
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@@ -1,58 +1,61 @@
<!DOCTYPE html> <!doctype html>
<meta charset="utf-8"> <meta charset="utf-8" />
<meta name="color-scheme" content="light dark"> <meta name="color-scheme" content="light dark" />
<meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="viewport" content="width=device-width, initial-scale=1" />
<meta http-equiv="Content-Security-Policy" content="default-src 'self' blob:; script-src 'self'; style-src 'self' blob: 'unsafe-inline'; img-src 'self' blob: data:; connect-src 'self' blob: data: *; frame-src blob: data:; object-src blob: data:; form-action 'none';"> <meta
http-equiv="Content-Security-Policy"
content="default-src 'self' blob:; script-src 'self' 'unsafe-eval'; style-src 'self' blob: 'unsafe-inline'; img-src 'self' blob: data:; connect-src 'self' blob: data: *; frame-src blob: data:; object-src blob: data:; form-action 'none';"
/>
<title>E-Book Reader</title> <title>E-Book Reader</title>
<style> <style>
:root { :root {
--active-bg: rgba(0, 0, 0, .05); --active-bg: rgba(0, 0, 0, 0.05);
} }
@supports (color-scheme: light dark) { @supports (color-scheme: light dark) {
@media (prefers-color-scheme: dark) { @media (prefers-color-scheme: dark) {
:root { :root {
--active-bg: rgba(255, 255, 255, .1); --active-bg: rgba(255, 255, 255, 0.1);
} }
} }
} }
html { html {
height: 100%; height: 100%;
} }
body { body {
margin: 0 auto; margin: 0 auto;
height: 100%; height: 100%;
font: menu; font: menu;
font-family: system-ui, sans-serif; font-family: system-ui, sans-serif;
} }
#drop-target { #drop-target {
height: 100vh; height: 100vh;
display: flex; display: flex;
align-items: center; align-items: center;
justify-content: center; justify-content: center;
text-align: center; text-align: center;
visibility: hidden; visibility: hidden;
} }
#drop-target h1 { #drop-target h1 {
font-weight: 900; font-weight: 900;
} }
#file-button { #file-button {
font: inherit; font: inherit;
background: none; background: none;
border: 0; border: 0;
padding: 0; padding: 0;
text-decoration: underline; text-decoration: underline;
cursor: pointer; cursor: pointer;
} }
.icon { .icon {
display: block; display: block;
fill: none; fill: none;
stroke: currentcolor; stroke: currentcolor;
stroke-width: 2px; stroke-width: 2px;
} }
.empty-state-icon { .empty-state-icon {
margin: auto; margin: auto;
} }
.toolbar { .toolbar {
box-sizing: border-box; box-sizing: border-box;
position: absolute; position: absolute;
z-index: 1; z-index: 1;
@@ -64,30 +67,30 @@ body {
padding: 6px; padding: 6px;
transition: opacity 250ms ease; transition: opacity 250ms ease;
visibility: hidden; visibility: hidden;
} }
.toolbar button { .toolbar button {
padding: 3px; padding: 3px;
border-radius: 6px; border-radius: 6px;
background: none; background: none;
border: 0; border: 0;
color: GrayText; color: GrayText;
} }
.toolbar button:hover { .toolbar button:hover {
background: rgba(0, 0, 0, .1); background: rgba(0, 0, 0, 0.1);
color: currentcolor; color: currentcolor;
} }
#header-bar { #header-bar {
top: 0; top: 0;
} }
#nav-bar { #nav-bar {
bottom: 0; bottom: 0;
} }
#progress-slider { #progress-slider {
flex-grow: 1; flex-grow: 1;
margin: 0 12px; margin: 0 12px;
visibility: hidden; visibility: hidden;
} }
#side-bar { #side-bar {
visibility: hidden; visibility: hidden;
box-sizing: border-box; box-sizing: border-box;
position: absolute; position: absolute;
@@ -101,15 +104,19 @@ body {
flex-direction: column; flex-direction: column;
background: Canvas; background: Canvas;
color: CanvasText; color: CanvasText;
box-shadow: 0 0 0 1px rgba(0, 0, 0, .2), 0 0 40px rgba(0, 0, 0, .2); box-shadow:
transition: visibility 0s linear 300ms, transform 300ms ease; 0 0 0 1px rgba(0, 0, 0, 0.2),
} 0 0 40px rgba(0, 0, 0, 0.2);
#side-bar.show { transition:
visibility 0s linear 300ms,
transform 300ms ease;
}
#side-bar.show {
visibility: visible; visibility: visible;
transform: translateX(0); transform: translateX(0);
transition-delay: 0s; transition-delay: 0s;
} }
#dimming-overlay { #dimming-overlay {
visibility: hidden; visibility: hidden;
position: fixed; position: fixed;
z-index: 2; z-index: 2;
@@ -117,188 +124,216 @@ body {
left: 0; left: 0;
width: 100%; width: 100%;
height: 100%; height: 100%;
background: rgba(0, 0, 0, .2); background: rgba(0, 0, 0, 0.2);
opacity: 0; opacity: 0;
transition: visibility 0s linear 300ms, opacity 300ms ease; transition:
} visibility 0s linear 300ms,
#dimming-overlay.show { opacity 300ms ease;
}
#dimming-overlay.show {
visibility: visible; visibility: visible;
opacity: 1; opacity: 1;
transition-delay: 0s; transition-delay: 0s;
} }
#side-bar-header { #side-bar-header {
padding: 1rem; padding: 1rem;
display: flex; display: flex;
border-bottom: 1px solid rgba(0, 0, 0, .1); border-bottom: 1px solid rgba(0, 0, 0, 0.1);
align-items: center; align-items: center;
} }
#side-bar-cover { #side-bar-cover {
height: 10vh; height: 10vh;
min-height: 60px; min-height: 60px;
max-height: 180px; max-height: 180px;
border-radius: 3px; border-radius: 3px;
border: 0; border: 0;
background: lightgray; background: lightgray;
box-shadow: 0 0 1px rgba(0, 0, 0, .1), 0 0 16px rgba(0, 0, 0, .1); box-shadow:
0 0 1px rgba(0, 0, 0, 0.1),
0 0 16px rgba(0, 0, 0, 0.1);
margin-inline-end: 1rem; margin-inline-end: 1rem;
} }
#side-bar-cover:not([src]) { #side-bar-cover:not([src]) {
display: none; display: none;
} }
#side-bar-title { #side-bar-title {
margin: .5rem 0; margin: 0.5rem 0;
font-size: inherit; font-size: inherit;
} }
#side-bar-author { #side-bar-author {
margin: .5rem 0; margin: 0.5rem 0;
font-size: small; font-size: small;
color: GrayText; color: GrayText;
} }
#toc-view { #toc-view {
padding: .5rem; padding: 0.5rem;
overflow-y: scroll; overflow-y: scroll;
} }
#toc-view li, #toc-view ol { #toc-view li,
#toc-view ol {
margin: 0; margin: 0;
padding: 0; padding: 0;
list-style: none; list-style: none;
} }
#toc-view a, #toc-view span { #toc-view a,
#toc-view span {
display: block; display: block;
border-radius: 6px; border-radius: 6px;
padding: 8px; padding: 8px;
margin: 2px 0; margin: 2px 0;
} }
#toc-view a { #toc-view a {
color: CanvasText; color: CanvasText;
text-decoration: none; text-decoration: none;
} }
#toc-view a:hover { #toc-view a:hover {
background: var(--active-bg); background: var(--active-bg);
} }
#toc-view span { #toc-view span {
color: GrayText; color: GrayText;
} }
#toc-view svg { #toc-view svg {
margin-inline-start: -24px; margin-inline-start: -24px;
padding-inline-start: 5px; padding-inline-start: 5px;
padding-inline-end: 6px; padding-inline-end: 6px;
fill: CanvasText; fill: CanvasText;
cursor: default; cursor: default;
transition: transform .2s ease; transition: transform 0.2s ease;
opacity: .5; opacity: 0.5;
} }
#toc-view svg:hover { #toc-view svg:hover {
opacity: 1; opacity: 1;
} }
#toc-view [aria-current] { #toc-view [aria-current] {
font-weight: bold; font-weight: bold;
background: var(--active-bg); background: var(--active-bg);
} }
#toc-view [aria-expanded="false"] svg { #toc-view [aria-expanded="false"] svg {
transform: rotate(-90deg); transform: rotate(-90deg);
} }
#toc-view [aria-expanded="false"] + [role="group"] { #toc-view [aria-expanded="false"] + [role="group"] {
display: none; display: none;
} }
.menu-container { .menu-container {
position: relative; position: relative;
} }
.menu, .menu ul { .menu,
.menu ul {
list-style: none; list-style: none;
padding: 0; padding: 0;
margin: 0; margin: 0;
} }
.menu { .menu {
visibility: hidden; visibility: hidden;
position: absolute; position: absolute;
right: 0; right: 0;
background: Canvas; background: Canvas;
color: CanvasText; color: CanvasText;
border-radius: 6px; border-radius: 6px;
box-shadow: 0 0 0 1px rgba(0, 0, 0, .2), 0 0 16px rgba(0, 0, 0, .1); box-shadow:
0 0 0 1px rgba(0, 0, 0, 0.2),
0 0 16px rgba(0, 0, 0, 0.1);
padding: 6px; padding: 6px;
cursor: default; cursor: default;
} }
.menu.show { .menu.show {
visibility: visible; visibility: visible;
} }
.menu li { .menu li {
padding: 6px 12px; padding: 6px 12px;
padding-left: 24px; padding-left: 24px;
border-radius: 6px; border-radius: 6px;
} }
.menu li:hover { .menu li:hover {
background: var(--active-bg); background: var(--active-bg);
} }
.menu li[aria-checked="true"] { .menu li[aria-checked="true"] {
background-position: center left; background-position: center left;
background-repeat: no-repeat; background-repeat: no-repeat;
background-image: url('data:image/svg+xml;utf8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2224%22%20height%3D%2224%22%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%2212%22%20r%3D%223%22%2F%3E%3C%2Fsvg%3E'); background-image: url("data:image/svg+xml;utf8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2224%22%20height%3D%2224%22%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%2212%22%20r%3D%223%22%2F%3E%3C%2Fsvg%3E");
} }
.popover { .popover {
background: Canvas; background: Canvas;
color: CanvasText; color: CanvasText;
border-radius: 6px; border-radius: 6px;
box-shadow: 0 0 0 1px rgba(0, 0, 0, .2), 0 0 16px rgba(0, 0, 0, .1), 0 0 32px rgba(0, 0, 0, .1); box-shadow:
} 0 0 0 1px rgba(0, 0, 0, 0.2),
.popover-arrow-down { 0 0 16px rgba(0, 0, 0, 0.1),
0 0 32px rgba(0, 0, 0, 0.1);
}
.popover-arrow-down {
fill: Canvas; fill: Canvas;
filter: drop-shadow(0 -1px 0 rgba(0, 0, 0, .2)); filter: drop-shadow(0 -1px 0 rgba(0, 0, 0, 0.2));
} }
.popover-arrow-up { .popover-arrow-up {
fill: Canvas; fill: Canvas;
filter: drop-shadow(0 1px 0 rgba(0, 0, 0, .2)); filter: drop-shadow(0 1px 0 rgba(0, 0, 0, 0.2));
} }
</style> </style>
<input type="file" id="file-input" hidden> <input type="file" id="file-input" hidden />
<div id="drop-target" class="filter"> <div id="drop-target" class="filter">
<div> <div>
<svg class="icon empty-state-icon" width="72" height="72" aria-hidden="true"> <svg
<path d="M36 18s-6-6-12-6-15 6-15 6v42s9-6 15-6 12 6 12 6c4-4 8-6 12-6s12 2 15 6V18c-6-4-12-6-15-6-4 0-8 2-12 6m0 0v42"/> class="icon empty-state-icon"
</svg> width="72"
<h1>Drop a book here!</h1> height="72"
<p>Or <button id="file-button">choose a file</button> to open it.</p> aria-hidden="true"
</div> >
<path
d="M36 18s-6-6-12-6-15 6-15 6v42s9-6 15-6 12 6 12 6c4-4 8-6 12-6s12 2 15 6V18c-6-4-12-6-15-6-4 0-8 2-12 6m0 0v42"
/>
</svg>
<h1>Drop a book here!</h1>
<p>Or <button id="file-button">choose a file</button> to open it.</p>
</div>
</div> </div>
<div id="dimming-overlay" aria-hidden="true"></div> <div id="dimming-overlay" aria-hidden="true"></div>
<div id="side-bar"> <div id="side-bar">
<div id="side-bar-header"> <div id="side-bar-header">
<img id="side-bar-cover"> <img id="side-bar-cover" />
<div> <div>
<h1 id="side-bar-title"></h1> <h1 id="side-bar-title"></h1>
<p id="side-bar-author"></p> <p id="side-bar-author"></p>
</div>
</div> </div>
<div id="toc-view"></div> </div>
<div id="toc-view"></div>
</div> </div>
<div id="header-bar" class="toolbar"> <div id="header-bar" class="toolbar">
<button id="side-bar-button" aria-label="Show sidebar"> <button id="side-bar-button" aria-label="Show sidebar">
<svg class="icon" width="24" height="24" aria-hidden="true"> <svg class="icon" width="24" height="24" aria-hidden="true">
<path d="M 4 6 h 16 M 4 12 h 16 M 4 18 h 16"/> <path d="M 4 6 h 16 M 4 12 h 16 M 4 18 h 16" />
</svg> </svg>
</button>
<div id="menu-button" class="menu-container">
<button aria-label="Show settings" aria-haspopup="true">
<svg class="icon" width="24" height="24" aria-hidden="true">
<path
d="M5 12.7a7 7 0 0 1 0-1.4l-1.8-2 2-3.5 2.7.5a7 7 0 0 1 1.2-.7L10 3h4l.9 2.6 1.2.7 2.7-.5 2 3.4-1.8 2a7 7 0 0 1 0 1.5l1.8 2-2 3.5-2.7-.5a7 7 0 0 1-1.2.7L14 21h-4l-.9-2.6a7 7 0 0 1-1.2-.7l-2.7.5-2-3.4 1.8-2Z"
/>
<circle cx="12" cy="12" r="3" />
</svg>
</button> </button>
<div id="menu-button" class="menu-container"> </div>
<button aria-label="Show settings" aria-haspopup="true">
<svg class="icon" width="24" height="24" aria-hidden="true">
<path d="M5 12.7a7 7 0 0 1 0-1.4l-1.8-2 2-3.5 2.7.5a7 7 0 0 1 1.2-.7L10 3h4l.9 2.6 1.2.7 2.7-.5 2 3.4-1.8 2a7 7 0 0 1 0 1.5l1.8 2-2 3.5-2.7-.5a7 7 0 0 1-1.2.7L14 21h-4l-.9-2.6a7 7 0 0 1-1.2-.7l-2.7.5-2-3.4 1.8-2Z"/>
<circle cx="12" cy="12" r="3"/>
</svg>
</button>
</div>
</div> </div>
<div id="nav-bar" class="toolbar"> <div id="nav-bar" class="toolbar">
<button id="left-button" aria-label="Go left"> <button id="left-button" aria-label="Go left">
<svg class="icon" width="24" height="24" aria-hidden="true"> <svg class="icon" width="24" height="24" aria-hidden="true">
<path d="M 15 6 L 9 12 L 15 18"/> <path d="M 15 6 L 9 12 L 15 18" />
</svg> </svg>
</button> </button>
<input id="progress-slider" type="range" min="0" max="1" step="any" list="tick-marks"> <input
<datalist id="tick-marks"></datalist> id="progress-slider"
<button id="right-button" aria-label="Go right"> type="range"
<svg class="icon" width="24" height="24" aria-hidden="true"> min="0"
<path d="M 9 6 L 15 12 L 9 18"/> max="1"
</svg> step="any"
</button> list="tick-marks"
/>
<datalist id="tick-marks"></datalist>
<button id="right-button" aria-label="Go right">
<svg class="icon" width="24" height="24" aria-hidden="true">
<path d="M 9 6 L 15 12 L 9 18" />
</svg>
</button>
</div> </div>
<script src="reader.js" type="module"></script> <script src="reader.js" type="module"></script>