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Koa Querystring

NPM versionbuild statusTest coverageDavid depsnode versionnpm download

By default, Koa uses the native querystring module which does not provide nesting support. This patches a koa app with nesting support via the qs support, which is also used by Connect and Express.

Simply wrap a koa app with this module:

// Koa 1.x.xconstkoa=require('koa')constapp=koa()require('koa-qs')(app)// Koa 2.x.xconstKoa=require('koa')constapp=newKoa()require('koa-qs')(app)

Optional parse mode

There're three parse mode.

extended mode

The default mode, use [qs] module.

require('koa-qs')(app,'extended')

simple mode

Use querystring module, same as koa does by default. If you want to use this mode, don't use this module.

strict mode

This mode make this.query.foo return strict array.

require('koa-qs')(app,'strict')

What's different

A normal request GET /foo?p=a&q=foo&q=bar.

  • before patch
console.log('%j',this.query);{"p": "a","q": ["foo","bar"]}
  • after patch
console.log('%j',this.query);{"p": ["a"],"q": ["foo","bar"]}

first mode

This mode make this.query.foo return strict string. Disable multi values.

If querystring contains multi same name params, return the first item.

require('koa-qs')(app,'first')

In 95% use cases, application only want string query params.

This patch can avoid some stupid TypeError and some security issues like MongoDB inject when the developers forget handling query params type check.

What's different

A normal request GET /foo?p=a,b&p=b,c.

  • before patch
console.log('%j',this.query.p);["a,b","b,c"]
  • after patch
console.log('%j',this.query.p);"a,b"

License

MIT

About

qs for koa, and use querystring more safely.

Resources

Readme
MIT license

Code of conduct

Code of conduct

Contributing

Contributing

Security policy

Security policy
Activity
Custom properties

Stars

89 stars

Watchers

4 watching

Forks

20 forks
Report repository

Releases

Packages

Used by

Contributors

Languages

, '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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Koa Querystring
NPM versionbuild statusTest coverageDavid depsnode versionnpm download
By default, Koa uses the native querystring module which does not provide nesting support.
This patches a koa app with nesting support via the qs support,
which is also used by Connect and Express.
Simply wrap a koa app with this module:
// Koa 1.x.xconstkoa=require('koa')constapp=koa()require('koa-qs')(app)// Koa 2.x.xconstKoa=require('koa')constapp=newKoa()require('koa-qs')(app)
Optional parse mode
There're three parse mode.
extended mode
The default mode, use [qs] module.
require('koa-qs')(app,'extended')
simple mode
Use querystring module, same as koa does by default.
If you want to use this mode, don't use this module.
strict mode
This mode make this.query.foo return strict array.
require('koa-qs')(app,'strict')
What's different
A normal request GET /foo?p=a&q=foo&q=bar.
  • before patch
console.log('%j',this.query);{"p": "a","q": ["foo","bar"]}
  • after patch
console.log('%j',this.query);{"p": ["a"],"q": ["foo","bar"]}
first mode
This mode make this.query.foo return strict string. Disable multi values.
If querystring contains multi same name params, return the first item.
require('koa-qs')(app,'first')
In 95% use cases, application only want string query params.
This patch can avoid some stupid TypeError and some security issues like MongoDB inject
when the developers forget handling query params type check.
What's different
A normal request GET /foo?p=a,b&p=b,c.
  • before patch
console.log('%j',this.query.p);["a,b","b,c"]
  • after patch
console.log('%j',this.query.p);"a,b"
License
MIT
About
qs for koa, and use querystring more safely.
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Security policy
Security policy
Activity
Custom properties
Stars
89 stars
Watchers
4 watching
Forks
20 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Koa Querystring
NPM versionbuild statusTest coverageDavid depsnode versionnpm download
By default, Koa uses the native querystring module which does not provide nesting support.
This patches a koa app with nesting support via the qs support,
which is also used by Connect and Express.
Simply wrap a koa app with this module:
// Koa 1.x.xconstkoa=require('koa')constapp=koa()require('koa-qs')(app)// Koa 2.x.xconstKoa=require('koa')constapp=newKoa()require('koa-qs')(app)
Optional parse mode
There're three parse mode.
extended mode
The default mode, use [qs] module.
require('koa-qs')(app,'extended')
simple mode
Use querystring module, same as koa does by default.
If you want to use this mode, don't use this module.
strict mode
This mode make this.query.foo return strict array.
require('koa-qs')(app,'strict')
What's different
A normal request GET /foo?p=a&q=foo&q=bar.
  • before patch
console.log('%j',this.query);{"p": "a","q": ["foo","bar"]}
  • after patch
console.log('%j',this.query);{"p": ["a"],"q": ["foo","bar"]}
first mode
This mode make this.query.foo return strict string. Disable multi values.
If querystring contains multi same name params, return the first item.
require('koa-qs')(app,'first')
In 95% use cases, application only want string query params.
This patch can avoid some stupid TypeError and some security issues like MongoDB inject
when the developers forget handling query params type check.
What's different
A normal request GET /foo?p=a,b&p=b,c.
  • before patch
console.log('%j',this.query.p);["a,b","b,c"]
  • after patch
console.log('%j',this.query.p);"a,b"
License
MIT
About
qs for koa, and use querystring more safely.
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Security policy
Security policy
Activity
Custom properties
Stars
89 stars
Watchers
4 watching
Forks
20 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Koa Querystring
NPM versionbuild statusTest coverageDavid depsnode versionnpm download
By default, Koa uses the native querystring module which does not provide nesting support.
This patches a koa app with nesting support via the qs support,
which is also used by Connect and Express.
Simply wrap a koa app with this module:
// Koa 1.x.xconstkoa=require('koa')constapp=koa()require('koa-qs')(app)// Koa 2.x.xconstKoa=require('koa')constapp=newKoa()require('koa-qs')(app)
Optional parse mode
There're three parse mode.
extended mode
The default mode, use [qs] module.
require('koa-qs')(app,'extended')
simple mode
Use querystring module, same as koa does by default.
If you want to use this mode, don't use this module.
strict mode
This mode make this.query.foo return strict array.
require('koa-qs')(app,'strict')
What's different
A normal request GET /foo?p=a&q=foo&q=bar.
  • before patch
console.log('%j',this.query);{"p": "a","q": ["foo","bar"]}
  • after patch
console.log('%j',this.query);{"p": ["a"],"q": ["foo","bar"]}
first mode
This mode make this.query.foo return strict string. Disable multi values.
If querystring contains multi same name params, return the first item.
require('koa-qs')(app,'first')
In 95% use cases, application only want string query params.
This patch can avoid some stupid TypeError and some security issues like MongoDB inject
when the developers forget handling query params type check.
What's different
A normal request GET /foo?p=a,b&p=b,c.
  • before patch
console.log('%j',this.query.p);["a,b","b,c"]
  • after patch
console.log('%j',this.query.p);"a,b"
License
MIT
About
qs for koa, and use querystring more safely.
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Security policy
Security policy
Activity
Custom properties
Stars
89 stars
Watchers
4 watching
Forks
20 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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" + '

Skip to content
BranchesTags
Repository files navigation
Koa Querystring
NPM versionbuild statusTest coverageDavid depsnode versionnpm download
By default, Koa uses the native querystring module which does not provide nesting support.
This patches a koa app with nesting support via the qs support,
which is also used by Connect and Express.
Simply wrap a koa app with this module:
// Koa 1.x.xconstkoa=require('koa')constapp=koa()require('koa-qs')(app)// Koa 2.x.xconstKoa=require('koa')constapp=newKoa()require('koa-qs')(app)
Optional parse mode
There're three parse mode.
extended mode
The default mode, use [qs] module.
require('koa-qs')(app,'extended')
simple mode
Use querystring module, same as koa does by default.
If you want to use this mode, don't use this module.
strict mode
This mode make this.query.foo return strict array.
require('koa-qs')(app,'strict')
What's different
A normal request GET /foo?p=a&q=foo&q=bar.
  • before patch
console.log('%j',this.query);{"p": "a","q": ["foo","bar"]}
  • after patch
console.log('%j',this.query);{"p": ["a"],"q": ["foo","bar"]}
first mode
This mode make this.query.foo return strict string. Disable multi values.
If querystring contains multi same name params, return the first item.
require('koa-qs')(app,'first')
In 95% use cases, application only want string query params.
This patch can avoid some stupid TypeError and some security issues like MongoDB inject
when the developers forget handling query params type check.
What's different
A normal request GET /foo?p=a,b&p=b,c.
  • before patch
console.log('%j',this.query.p);["a,b","b,c"]
  • after patch
console.log('%j',this.query.p);"a,b"
License
MIT
About
qs for koa, and use querystring more safely.
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Security policy
Security policy
Activity
Custom properties
Stars
89 stars
Watchers
4 watching
Forks
20 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Koa Querystring
NPM versionbuild statusTest coverageDavid depsnode versionnpm download
By default, Koa uses the native querystring module which does not provide nesting support.
This patches a koa app with nesting support via the qs support,
which is also used by Connect and Express.
Simply wrap a koa app with this module:
// Koa 1.x.xconstkoa=require('koa')constapp=koa()require('koa-qs')(app)// Koa 2.x.xconstKoa=require('koa')constapp=newKoa()require('koa-qs')(app)
Optional parse mode
There're three parse mode.
extended mode
The default mode, use [qs] module.
require('koa-qs')(app,'extended')
simple mode
Use querystring module, same as koa does by default.
If you want to use this mode, don't use this module.
strict mode
This mode make this.query.foo return strict array.
require('koa-qs')(app,'strict')
What's different
A normal request GET /foo?p=a&q=foo&q=bar.
  • before patch
console.log('%j',this.query);{"p": "a","q": ["foo","bar"]}
  • after patch
console.log('%j',this.query);{"p": ["a"],"q": ["foo","bar"]}
first mode
This mode make this.query.foo return strict string. Disable multi values.
If querystring contains multi same name params, return the first item.
require('koa-qs')(app,'first')
In 95% use cases, application only want string query params.
This patch can avoid some stupid TypeError and some security issues like MongoDB inject
when the developers forget handling query params type check.
What's different
A normal request GET /foo?p=a,b&p=b,c.
  • before patch
console.log('%j',this.query.p);["a,b","b,c"]
  • after patch
console.log('%j',this.query.p);"a,b"
License
MIT
About
qs for koa, and use querystring more safely.
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Security policy
Security policy
Activity
Custom properties
Stars
89 stars
Watchers
4 watching
Forks
20 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Koa Querystring
NPM versionbuild statusTest coverageDavid depsnode versionnpm download
By default, Koa uses the native querystring module which does not provide nesting support.
This patches a koa app with nesting support via the qs support,
which is also used by Connect and Express.
Simply wrap a koa app with this module:
// Koa 1.x.xconstkoa=require('koa')constapp=koa()require('koa-qs')(app)// Koa 2.x.xconstKoa=require('koa')constapp=newKoa()require('koa-qs')(app)
Optional parse mode
There're three parse mode.
extended mode
The default mode, use [qs] module.
require('koa-qs')(app,'extended')
simple mode
Use querystring module, same as koa does by default.
If you want to use this mode, don't use this module.
strict mode
This mode make this.query.foo return strict array.
require('koa-qs')(app,'strict')
What's different
A normal request GET /foo?p=a&q=foo&q=bar.
  • before patch
console.log('%j',this.query);{"p": "a","q": ["foo","bar"]}
  • after patch
console.log('%j',this.query);{"p": ["a"],"q": ["foo","bar"]}
first mode
This mode make this.query.foo return strict string. Disable multi values.
If querystring contains multi same name params, return the first item.
require('koa-qs')(app,'first')
In 95% use cases, application only want string query params.
This patch can avoid some stupid TypeError and some security issues like MongoDB inject
when the developers forget handling query params type check.
What's different
A normal request GET /foo?p=a,b&p=b,c.
  • before patch
console.log('%j',this.query.p);["a,b","b,c"]
  • after patch
console.log('%j',this.query.p);"a,b"
License
MIT
About
qs for koa, and use querystring more safely.
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Security policy
Security policy
Activity
Custom properties
Stars
89 stars
Watchers
4 watching
Forks
20 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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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Koa Querystring
NPM versionbuild statusTest coverageDavid depsnode versionnpm download
By default, Koa uses the native querystring module which does not provide nesting support.
This patches a koa app with nesting support via the qs support,
which is also used by Connect and Express.
Simply wrap a koa app with this module:
// Koa 1.x.xconstkoa=require('koa')constapp=koa()require('koa-qs')(app)// Koa 2.x.xconstKoa=require('koa')constapp=newKoa()require('koa-qs')(app)
Optional parse mode
There're three parse mode.
extended mode
The default mode, use [qs] module.
require('koa-qs')(app,'extended')
simple mode
Use querystring module, same as koa does by default.
If you want to use this mode, don't use this module.
strict mode
This mode make this.query.foo return strict array.
require('koa-qs')(app,'strict')
What's different
A normal request GET /foo?p=a&q=foo&q=bar.
  • before patch
console.log('%j',this.query);{"p": "a","q": ["foo","bar"]}
  • after patch
console.log('%j',this.query);{"p": ["a"],"q": ["foo","bar"]}
first mode
This mode make this.query.foo return strict string. Disable multi values.
If querystring contains multi same name params, return the first item.
require('koa-qs')(app,'first')
In 95% use cases, application only want string query params.
This patch can avoid some stupid TypeError and some security issues like MongoDB inject
when the developers forget handling query params type check.
What's different
A normal request GET /foo?p=a,b&p=b,c.
  • before patch
console.log('%j',this.query.p);["a,b","b,c"]
  • after patch
console.log('%j',this.query.p);"a,b"
License
MIT
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qs for koa, and use querystring more safely.
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