docs: restore goals.rst from 3.0 user guide#8557

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32 changes: 32 additions & 0 deletions user_guide_src/source/concepts/goals.rst
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
##############################
Design and Architectural Goals
##############################

Our goal for CodeIgniter is maximum performance, capability, and
flexibility in the smallest, lightest possible package.

To meet this goal we are committed to benchmarking, re-factoring, and
simplifying at every step of the development process, rejecting anything
that doesn't further the stated objective.

From a technical and architectural standpoint, CodeIgniter was created
with the following objectives:

- **Dynamic Instantiation.** In CodeIgniter, components are loaded and
routines executed only when requested, rather than globally. No
assumptions are made by the system regarding what may be needed
beyond the minimal core resources, so the system is very light-weight
by default. The events, as triggered by the HTTP request, and the
controllers and views you design will determine what is invoked.
- **Loose Coupling.** Coupling is the degree to which components of a
system rely on each other. The less components depend on each other
the more reusable and flexible the system becomes. Our goal was a
very loosely coupled system.
- **Component Singularity.** Singularity is the degree to which
components have a narrowly focused purpose. In CodeIgniter, each
class and its functions are highly autonomous in order to allow
maximum usefulness.

CodeIgniter is a dynamically instantiated, loosely coupled system with
high component singularity. It strives for simplicity, flexibility, and
high performance in a small footprint package.
1 change: 1 addition & 0 deletions user_guide_src/source/concepts/index.rst
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -14,3 +14,4 @@ The following pages describe the architectural concepts behind CodeIgniter4:
factories
http
security
goals
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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 Merged

kenjis
merged 1 commit into

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Jun 12, 2024
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docs: restore goals.rst from 3.0 user guide
#8557
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32 changes: 32 additions & 0 deletions
user_guide_src/source/concepts/goals.rst

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
##############################
Design and Architectural Goals
##############################

Our goal for CodeIgniter is maximum performance, capability, and
flexibility in the smallest, lightest possible package.

To meet this goal we are committed to benchmarking, re-factoring, and
simplifying at every step of the development process, rejecting anything
that doesn't further the stated objective.

From a technical and architectural standpoint, CodeIgniter was created
with the following objectives:

- **Dynamic Instantiation.** In CodeIgniter, components are loaded and
 routines executed only when requested, rather than globally. No
 assumptions are made by the system regarding what may be needed
 beyond the minimal core resources, so the system is very light-weight
 by default. The events, as triggered by the HTTP request, and the
 controllers and views you design will determine what is invoked.
- **Loose Coupling.** Coupling is the degree to which components of a
 system rely on each other. The less components depend on each other
 the more reusable and flexible the system becomes. Our goal was a
 very loosely coupled system.
- **Component Singularity.** Singularity is the degree to which
 components have a narrowly focused purpose. In CodeIgniter, each
 class and its functions are highly autonomous in order to allow
 maximum usefulness.

CodeIgniter is a dynamically instantiated, loosely coupled system with
high component singularity. It strives for simplicity, flexibility, and
high performance in a small footprint package.

1 change: 1 addition & 0 deletions
user_guide_src/source/concepts/index.rst

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -14,3 +14,4 @@ The following pages describe the architectural concepts behind CodeIgniter4:
 factories
 http
 security
 goals

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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 Merged

kenjis
merged 1 commit into

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Jun 12, 2024
 Merged


docs: restore goals.rst from 3.0 user guide
#8557
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32 changes: 32 additions & 0 deletions
user_guide_src/source/concepts/goals.rst

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
##############################
Design and Architectural Goals
##############################

Our goal for CodeIgniter is maximum performance, capability, and
flexibility in the smallest, lightest possible package.

To meet this goal we are committed to benchmarking, re-factoring, and
simplifying at every step of the development process, rejecting anything
that doesn't further the stated objective.

From a technical and architectural standpoint, CodeIgniter was created
with the following objectives:

- **Dynamic Instantiation.** In CodeIgniter, components are loaded and
 routines executed only when requested, rather than globally. No
 assumptions are made by the system regarding what may be needed
 beyond the minimal core resources, so the system is very light-weight
 by default. The events, as triggered by the HTTP request, and the
 controllers and views you design will determine what is invoked.
- **Loose Coupling.** Coupling is the degree to which components of a
 system rely on each other. The less components depend on each other
 the more reusable and flexible the system becomes. Our goal was a
 very loosely coupled system.
- **Component Singularity.** Singularity is the degree to which
 components have a narrowly focused purpose. In CodeIgniter, each
 class and its functions are highly autonomous in order to allow
 maximum usefulness.

CodeIgniter is a dynamically instantiated, loosely coupled system with
high component singularity. It strives for simplicity, flexibility, and
high performance in a small footprint package.

1 change: 1 addition & 0 deletions
user_guide_src/source/concepts/index.rst

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -14,3 +14,4 @@ The following pages describe the architectural concepts behind CodeIgniter4:
 factories
 http
 security
 goals

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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 Merged

kenjis
merged 1 commit into

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Jun 12, 2024
 Merged


docs: restore goals.rst from 3.0 user guide
#8557
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32 changes: 32 additions & 0 deletions
user_guide_src/source/concepts/goals.rst

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
##############################
Design and Architectural Goals
##############################

Our goal for CodeIgniter is maximum performance, capability, and
flexibility in the smallest, lightest possible package.

To meet this goal we are committed to benchmarking, re-factoring, and
simplifying at every step of the development process, rejecting anything
that doesn't further the stated objective.

From a technical and architectural standpoint, CodeIgniter was created
with the following objectives:

- **Dynamic Instantiation.** In CodeIgniter, components are loaded and
 routines executed only when requested, rather than globally. No
 assumptions are made by the system regarding what may be needed
 beyond the minimal core resources, so the system is very light-weight
 by default. The events, as triggered by the HTTP request, and the
 controllers and views you design will determine what is invoked.
- **Loose Coupling.** Coupling is the degree to which components of a
 system rely on each other. The less components depend on each other
 the more reusable and flexible the system becomes. Our goal was a
 very loosely coupled system.
- **Component Singularity.** Singularity is the degree to which
 components have a narrowly focused purpose. In CodeIgniter, each
 class and its functions are highly autonomous in order to allow
 maximum usefulness.

CodeIgniter is a dynamically instantiated, loosely coupled system with
high component singularity. It strives for simplicity, flexibility, and
high performance in a small footprint package.

1 change: 1 addition & 0 deletions
user_guide_src/source/concepts/index.rst

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -14,3 +14,4 @@ The following pages describe the architectural concepts behind CodeIgniter4:
 factories
 http
 security
 goals

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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 Merged

kenjis
merged 1 commit into

from

Jun 12, 2024
 Merged


docs: restore goals.rst from 3.0 user guide
#8557
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32 changes: 32 additions & 0 deletions
user_guide_src/source/concepts/goals.rst

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
##############################
Design and Architectural Goals
##############################

Our goal for CodeIgniter is maximum performance, capability, and
flexibility in the smallest, lightest possible package.

To meet this goal we are committed to benchmarking, re-factoring, and
simplifying at every step of the development process, rejecting anything
that doesn't further the stated objective.

From a technical and architectural standpoint, CodeIgniter was created
with the following objectives:

- **Dynamic Instantiation.** In CodeIgniter, components are loaded and
 routines executed only when requested, rather than globally. No
 assumptions are made by the system regarding what may be needed
 beyond the minimal core resources, so the system is very light-weight
 by default. The events, as triggered by the HTTP request, and the
 controllers and views you design will determine what is invoked.
- **Loose Coupling.** Coupling is the degree to which components of a
 system rely on each other. The less components depend on each other
 the more reusable and flexible the system becomes. Our goal was a
 very loosely coupled system.
- **Component Singularity.** Singularity is the degree to which
 components have a narrowly focused purpose. In CodeIgniter, each
 class and its functions are highly autonomous in order to allow
 maximum usefulness.

CodeIgniter is a dynamically instantiated, loosely coupled system with
high component singularity. It strives for simplicity, flexibility, and
high performance in a small footprint package.

1 change: 1 addition & 0 deletions
user_guide_src/source/concepts/index.rst

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -14,3 +14,4 @@ The following pages describe the architectural concepts behind CodeIgniter4:
 factories
 http
 security
 goals

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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 Merged

kenjis
merged 1 commit into

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Jun 12, 2024
 Merged


docs: restore goals.rst from 3.0 user guide
#8557
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32 changes: 32 additions & 0 deletions
user_guide_src/source/concepts/goals.rst

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
##############################
Design and Architectural Goals
##############################

Our goal for CodeIgniter is maximum performance, capability, and
flexibility in the smallest, lightest possible package.

To meet this goal we are committed to benchmarking, re-factoring, and
simplifying at every step of the development process, rejecting anything
that doesn't further the stated objective.

From a technical and architectural standpoint, CodeIgniter was created
with the following objectives:

- **Dynamic Instantiation.** In CodeIgniter, components are loaded and
 routines executed only when requested, rather than globally. No
 assumptions are made by the system regarding what may be needed
 beyond the minimal core resources, so the system is very light-weight
 by default. The events, as triggered by the HTTP request, and the
 controllers and views you design will determine what is invoked.
- **Loose Coupling.** Coupling is the degree to which components of a
 system rely on each other. The less components depend on each other
 the more reusable and flexible the system becomes. Our goal was a
 very loosely coupled system.
- **Component Singularity.** Singularity is the degree to which
 components have a narrowly focused purpose. In CodeIgniter, each
 class and its functions are highly autonomous in order to allow
 maximum usefulness.

CodeIgniter is a dynamically instantiated, loosely coupled system with
high component singularity. It strives for simplicity, flexibility, and
high performance in a small footprint package.

1 change: 1 addition & 0 deletions
user_guide_src/source/concepts/index.rst

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -14,3 +14,4 @@ The following pages describe the architectural concepts behind CodeIgniter4:
 factories
 http
 security
 goals

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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 Merged

kenjis
merged 1 commit into

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Jun 12, 2024
 Merged


docs: restore goals.rst from 3.0 user guide
#8557
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32 changes: 32 additions & 0 deletions
user_guide_src/source/concepts/goals.rst

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
##############################
Design and Architectural Goals
##############################

Our goal for CodeIgniter is maximum performance, capability, and
flexibility in the smallest, lightest possible package.

To meet this goal we are committed to benchmarking, re-factoring, and
simplifying at every step of the development process, rejecting anything
that doesn't further the stated objective.

From a technical and architectural standpoint, CodeIgniter was created
with the following objectives:

- **Dynamic Instantiation.** In CodeIgniter, components are loaded and
 routines executed only when requested, rather than globally. No
 assumptions are made by the system regarding what may be needed
 beyond the minimal core resources, so the system is very light-weight
 by default. The events, as triggered by the HTTP request, and the
 controllers and views you design will determine what is invoked.
- **Loose Coupling.** Coupling is the degree to which components of a
 system rely on each other. The less components depend on each other
 the more reusable and flexible the system becomes. Our goal was a
 very loosely coupled system.
- **Component Singularity.** Singularity is the degree to which
 components have a narrowly focused purpose. In CodeIgniter, each
 class and its functions are highly autonomous in order to allow
 maximum usefulness.

CodeIgniter is a dynamically instantiated, loosely coupled system with
high component singularity. It strives for simplicity, flexibility, and
high performance in a small footprint package.

1 change: 1 addition & 0 deletions
user_guide_src/source/concepts/index.rst

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -14,3 +14,4 @@ The following pages describe the architectural concepts behind CodeIgniter4:
 factories
 http
 security
 goals

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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docs: restore goals.rst from 3.0 user guide
#8557
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32 changes: 32 additions & 0 deletions
user_guide_src/source/concepts/goals.rst

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
##############################
Design and Architectural Goals
##############################

Our goal for CodeIgniter is maximum performance, capability, and
flexibility in the smallest, lightest possible package.

To meet this goal we are committed to benchmarking, re-factoring, and
simplifying at every step of the development process, rejecting anything
that doesn't further the stated objective.

From a technical and architectural standpoint, CodeIgniter was created
with the following objectives:

- **Dynamic Instantiation.** In CodeIgniter, components are loaded and
 routines executed only when requested, rather than globally. No
 assumptions are made by the system regarding what may be needed
 beyond the minimal core resources, so the system is very light-weight
 by default. The events, as triggered by the HTTP request, and the
 controllers and views you design will determine what is invoked.
- **Loose Coupling.** Coupling is the degree to which components of a
 system rely on each other. The less components depend on each other
 the more reusable and flexible the system becomes. Our goal was a
 very loosely coupled system.
- **Component Singularity.** Singularity is the degree to which
 components have a narrowly focused purpose. In CodeIgniter, each
 class and its functions are highly autonomous in order to allow
 maximum usefulness.

CodeIgniter is a dynamically instantiated, loosely coupled system with
high component singularity. It strives for simplicity, flexibility, and
high performance in a small footprint package.

1 change: 1 addition & 0 deletions
user_guide_src/source/concepts/index.rst

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Expand Up@@ -14,3 +14,4 @@ The following pages describe the architectural concepts behind CodeIgniter4:
 factories
 http
 security
 goals