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ConfigurationSubstitutor

Allows to substitute variables from configuration, this way hostnames, or passwords can be separated and automatically substituted if another configuration entry references them.

Scenarios could be that you have the password from an Azure KeyVault and the connection string defined in appsettings. The connection string can reference the password.

Another scenario is that you have multiple configuration entries for the same domain, don't duplicate that information anymore, reference it.

Nuget

The nuget package name is ConfigurationSubstitutor: https://www.nuget.org/packages/ConfigurationSubstitutor/

Usage

ASP.NET Core

To add it to ASP.NET Core configuration simply place .EnableSubstitutions() last. Make sure it is always called after all other configurations are added, else it won't behave properly!

publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions();});

Another example where the configuration builder is created:

varconfiguration=newConfigurationBuilder().AddUserSecrets(typeof(GameRepositoryTests).Assembly).AddJsonFile("appsettings.json").EnableSubstitutions().Build();

Remark: you can also specify the start/end strings that define a substitutable value. Here we define that values are enclosed within $(), that's what is used by Azure DevOps for substitutions.

publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions("$(",")");});

Moreover, you can also provide an in-line default value to fallback on in case a variable is missing, using the EnableSubstitutionsWithDelimitedFallbackDefaults. In such case, the delimiter string separating the variable name from the fallback default value must be provided (can't be null or empty).

publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutionsWithDelimitedFallbackDefaults("$(",")",":");});

Examples

Connection string and password

Example where the entry ConnectionString references the DatabasePassword. The configuration contains these two entries:

  • ConnectionString = blablabla&password={DatabasePassword}&server=localhost
  • DatabasePassword = ComplicatedPassword
varsubstituted=configuration["ConnectionString"];

Easy-peasy substituted contains blablabla&password=ComplicatedPassword&server=localhost

More substitutions

It supports any number of substitutions, for example if the configuration contains these three entries:

  • Foo = {Bar1}{Bar2}{Bar1}{Bar3:-Doe}
  • Bar1 = Barista
  • Bar2 = -Jean-
varsubstituted=configuration["Foo"];

Now substituted contains Barista-Jean-Barista-Doe

About

Allows .NET Core configuration to allow substitution of some parts, similar to what Azure DevOps libraries offer

Resources

Readme
MIT license
Activity

Stars

57 stars

Watchers

2 watching

Forks

13 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" + '

Skip to content
BranchesTags
Repository files navigation
ConfigurationSubstitutor 
Allows to substitute variables from configuration, this way hostnames, or passwords can be separated and automatically substituted if another configuration entry references them.
Scenarios could be that you have the password from an Azure KeyVault and the connection string defined in appsettings. The connection string can reference the password.
Another scenario is that you have multiple configuration entries for the same domain, don't duplicate that information anymore, reference it.
Nuget
The nuget package name is ConfigurationSubstitutor: https://www.nuget.org/packages/ConfigurationSubstitutor/
Usage
ASP.NET Core
To add it to ASP.NET Core configuration simply place .EnableSubstitutions() last.
Make sure it is always called after all other configurations are added, else it won't behave properly!
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions();});
Another example where the configuration builder is created:
varconfiguration=newConfigurationBuilder().AddUserSecrets(typeof(GameRepositoryTests).Assembly).AddJsonFile("appsettings.json").EnableSubstitutions().Build();
Remark: you can also specify the start/end strings that define a substitutable value.
Here we define that values are enclosed within $(), that's what is used by Azure DevOps for substitutions.
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions("$(",")");});
Moreover, you can also provide an in-line default value to fallback on in case a variable is missing, using the EnableSubstitutionsWithDelimitedFallbackDefaults. In such case, the delimiter string separating the variable name from the fallback default value must be provided (can't be null or empty).
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutionsWithDelimitedFallbackDefaults("$(",")",":");});
Examples
Connection string and password
Example where the entry ConnectionString references the DatabasePassword.
The configuration contains these two entries:
  • ConnectionString = blablabla&password={DatabasePassword}&server=localhost
  • DatabasePassword = ComplicatedPassword
varsubstituted=configuration["ConnectionString"];
Easy-peasy substituted contains blablabla&password=ComplicatedPassword&server=localhost
More substitutions
It supports any number of substitutions, for example if the configuration contains these three entries:
  • Foo = {Bar1}{Bar2}{Bar1}{Bar3:-Doe}
  • Bar1 = Barista
  • Bar2 = -Jean-
varsubstituted=configuration["Foo"];
Now substituted contains Barista-Jean-Barista-Doe
About
Allows .NET Core configuration to allow substitution of some parts, similar to what Azure DevOps libraries offer
Resources
Readme
MIT license
Activity
Stars
57 stars
Watchers
2 watching
Forks
13 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
ConfigurationSubstitutor 
Allows to substitute variables from configuration, this way hostnames, or passwords can be separated and automatically substituted if another configuration entry references them.
Scenarios could be that you have the password from an Azure KeyVault and the connection string defined in appsettings. The connection string can reference the password.
Another scenario is that you have multiple configuration entries for the same domain, don't duplicate that information anymore, reference it.
Nuget
The nuget package name is ConfigurationSubstitutor: https://www.nuget.org/packages/ConfigurationSubstitutor/
Usage
ASP.NET Core
To add it to ASP.NET Core configuration simply place .EnableSubstitutions() last.
Make sure it is always called after all other configurations are added, else it won't behave properly!
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions();});
Another example where the configuration builder is created:
varconfiguration=newConfigurationBuilder().AddUserSecrets(typeof(GameRepositoryTests).Assembly).AddJsonFile("appsettings.json").EnableSubstitutions().Build();
Remark: you can also specify the start/end strings that define a substitutable value.
Here we define that values are enclosed within $(), that's what is used by Azure DevOps for substitutions.
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions("$(",")");});
Moreover, you can also provide an in-line default value to fallback on in case a variable is missing, using the EnableSubstitutionsWithDelimitedFallbackDefaults. In such case, the delimiter string separating the variable name from the fallback default value must be provided (can't be null or empty).
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutionsWithDelimitedFallbackDefaults("$(",")",":");});
Examples
Connection string and password
Example where the entry ConnectionString references the DatabasePassword.
The configuration contains these two entries:
  • ConnectionString = blablabla&password={DatabasePassword}&server=localhost
  • DatabasePassword = ComplicatedPassword
varsubstituted=configuration["ConnectionString"];
Easy-peasy substituted contains blablabla&password=ComplicatedPassword&server=localhost
More substitutions
It supports any number of substitutions, for example if the configuration contains these three entries:
  • Foo = {Bar1}{Bar2}{Bar1}{Bar3:-Doe}
  • Bar1 = Barista
  • Bar2 = -Jean-
varsubstituted=configuration["Foo"];
Now substituted contains Barista-Jean-Barista-Doe
About
Allows .NET Core configuration to allow substitution of some parts, similar to what Azure DevOps libraries offer
Resources
Readme
MIT license
Activity
Stars
57 stars
Watchers
2 watching
Forks
13 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
ConfigurationSubstitutor 
Allows to substitute variables from configuration, this way hostnames, or passwords can be separated and automatically substituted if another configuration entry references them.
Scenarios could be that you have the password from an Azure KeyVault and the connection string defined in appsettings. The connection string can reference the password.
Another scenario is that you have multiple configuration entries for the same domain, don't duplicate that information anymore, reference it.
Nuget
The nuget package name is ConfigurationSubstitutor: https://www.nuget.org/packages/ConfigurationSubstitutor/
Usage
ASP.NET Core
To add it to ASP.NET Core configuration simply place .EnableSubstitutions() last.
Make sure it is always called after all other configurations are added, else it won't behave properly!
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions();});
Another example where the configuration builder is created:
varconfiguration=newConfigurationBuilder().AddUserSecrets(typeof(GameRepositoryTests).Assembly).AddJsonFile("appsettings.json").EnableSubstitutions().Build();
Remark: you can also specify the start/end strings that define a substitutable value.
Here we define that values are enclosed within $(), that's what is used by Azure DevOps for substitutions.
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions("$(",")");});
Moreover, you can also provide an in-line default value to fallback on in case a variable is missing, using the EnableSubstitutionsWithDelimitedFallbackDefaults. In such case, the delimiter string separating the variable name from the fallback default value must be provided (can't be null or empty).
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutionsWithDelimitedFallbackDefaults("$(",")",":");});
Examples
Connection string and password
Example where the entry ConnectionString references the DatabasePassword.
The configuration contains these two entries:
  • ConnectionString = blablabla&password={DatabasePassword}&server=localhost
  • DatabasePassword = ComplicatedPassword
varsubstituted=configuration["ConnectionString"];
Easy-peasy substituted contains blablabla&password=ComplicatedPassword&server=localhost
More substitutions
It supports any number of substitutions, for example if the configuration contains these three entries:
  • Foo = {Bar1}{Bar2}{Bar1}{Bar3:-Doe}
  • Bar1 = Barista
  • Bar2 = -Jean-
varsubstituted=configuration["Foo"];
Now substituted contains Barista-Jean-Barista-Doe
About
Allows .NET Core configuration to allow substitution of some parts, similar to what Azure DevOps libraries offer
Resources
Readme
MIT license
Activity
Stars
57 stars
Watchers
2 watching
Forks
13 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
ConfigurationSubstitutor 
Allows to substitute variables from configuration, this way hostnames, or passwords can be separated and automatically substituted if another configuration entry references them.
Scenarios could be that you have the password from an Azure KeyVault and the connection string defined in appsettings. The connection string can reference the password.
Another scenario is that you have multiple configuration entries for the same domain, don't duplicate that information anymore, reference it.
Nuget
The nuget package name is ConfigurationSubstitutor: https://www.nuget.org/packages/ConfigurationSubstitutor/
Usage
ASP.NET Core
To add it to ASP.NET Core configuration simply place .EnableSubstitutions() last.
Make sure it is always called after all other configurations are added, else it won't behave properly!
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions();});
Another example where the configuration builder is created:
varconfiguration=newConfigurationBuilder().AddUserSecrets(typeof(GameRepositoryTests).Assembly).AddJsonFile("appsettings.json").EnableSubstitutions().Build();
Remark: you can also specify the start/end strings that define a substitutable value.
Here we define that values are enclosed within $(), that's what is used by Azure DevOps for substitutions.
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions("$(",")");});
Moreover, you can also provide an in-line default value to fallback on in case a variable is missing, using the EnableSubstitutionsWithDelimitedFallbackDefaults. In such case, the delimiter string separating the variable name from the fallback default value must be provided (can't be null or empty).
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutionsWithDelimitedFallbackDefaults("$(",")",":");});
Examples
Connection string and password
Example where the entry ConnectionString references the DatabasePassword.
The configuration contains these two entries:
  • ConnectionString = blablabla&password={DatabasePassword}&server=localhost
  • DatabasePassword = ComplicatedPassword
varsubstituted=configuration["ConnectionString"];
Easy-peasy substituted contains blablabla&password=ComplicatedPassword&server=localhost
More substitutions
It supports any number of substitutions, for example if the configuration contains these three entries:
  • Foo = {Bar1}{Bar2}{Bar1}{Bar3:-Doe}
  • Bar1 = Barista
  • Bar2 = -Jean-
varsubstituted=configuration["Foo"];
Now substituted contains Barista-Jean-Barista-Doe
About
Allows .NET Core configuration to allow substitution of some parts, similar to what Azure DevOps libraries offer
Resources
Readme
MIT license
Activity
Stars
57 stars
Watchers
2 watching
Forks
13 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
ConfigurationSubstitutor 
Allows to substitute variables from configuration, this way hostnames, or passwords can be separated and automatically substituted if another configuration entry references them.
Scenarios could be that you have the password from an Azure KeyVault and the connection string defined in appsettings. The connection string can reference the password.
Another scenario is that you have multiple configuration entries for the same domain, don't duplicate that information anymore, reference it.
Nuget
The nuget package name is ConfigurationSubstitutor: https://www.nuget.org/packages/ConfigurationSubstitutor/
Usage
ASP.NET Core
To add it to ASP.NET Core configuration simply place .EnableSubstitutions() last.
Make sure it is always called after all other configurations are added, else it won't behave properly!
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions();});
Another example where the configuration builder is created:
varconfiguration=newConfigurationBuilder().AddUserSecrets(typeof(GameRepositoryTests).Assembly).AddJsonFile("appsettings.json").EnableSubstitutions().Build();
Remark: you can also specify the start/end strings that define a substitutable value.
Here we define that values are enclosed within $(), that's what is used by Azure DevOps for substitutions.
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions("$(",")");});
Moreover, you can also provide an in-line default value to fallback on in case a variable is missing, using the EnableSubstitutionsWithDelimitedFallbackDefaults. In such case, the delimiter string separating the variable name from the fallback default value must be provided (can't be null or empty).
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutionsWithDelimitedFallbackDefaults("$(",")",":");});
Examples
Connection string and password
Example where the entry ConnectionString references the DatabasePassword.
The configuration contains these two entries:
  • ConnectionString = blablabla&password={DatabasePassword}&server=localhost
  • DatabasePassword = ComplicatedPassword
varsubstituted=configuration["ConnectionString"];
Easy-peasy substituted contains blablabla&password=ComplicatedPassword&server=localhost
More substitutions
It supports any number of substitutions, for example if the configuration contains these three entries:
  • Foo = {Bar1}{Bar2}{Bar1}{Bar3:-Doe}
  • Bar1 = Barista
  • Bar2 = -Jean-
varsubstituted=configuration["Foo"];
Now substituted contains Barista-Jean-Barista-Doe
About
Allows .NET Core configuration to allow substitution of some parts, similar to what Azure DevOps libraries offer
Resources
Readme
MIT license
Activity
Stars
57 stars
Watchers
2 watching
Forks
13 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
ConfigurationSubstitutor 
Allows to substitute variables from configuration, this way hostnames, or passwords can be separated and automatically substituted if another configuration entry references them.
Scenarios could be that you have the password from an Azure KeyVault and the connection string defined in appsettings. The connection string can reference the password.
Another scenario is that you have multiple configuration entries for the same domain, don't duplicate that information anymore, reference it.
Nuget
The nuget package name is ConfigurationSubstitutor: https://www.nuget.org/packages/ConfigurationSubstitutor/
Usage
ASP.NET Core
To add it to ASP.NET Core configuration simply place .EnableSubstitutions() last.
Make sure it is always called after all other configurations are added, else it won't behave properly!
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions();});
Another example where the configuration builder is created:
varconfiguration=newConfigurationBuilder().AddUserSecrets(typeof(GameRepositoryTests).Assembly).AddJsonFile("appsettings.json").EnableSubstitutions().Build();
Remark: you can also specify the start/end strings that define a substitutable value.
Here we define that values are enclosed within $(), that's what is used by Azure DevOps for substitutions.
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions("$(",")");});
Moreover, you can also provide an in-line default value to fallback on in case a variable is missing, using the EnableSubstitutionsWithDelimitedFallbackDefaults. In such case, the delimiter string separating the variable name from the fallback default value must be provided (can't be null or empty).
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutionsWithDelimitedFallbackDefaults("$(",")",":");});
Examples
Connection string and password
Example where the entry ConnectionString references the DatabasePassword.
The configuration contains these two entries:
  • ConnectionString = blablabla&password={DatabasePassword}&server=localhost
  • DatabasePassword = ComplicatedPassword
varsubstituted=configuration["ConnectionString"];
Easy-peasy substituted contains blablabla&password=ComplicatedPassword&server=localhost
More substitutions
It supports any number of substitutions, for example if the configuration contains these three entries:
  • Foo = {Bar1}{Bar2}{Bar1}{Bar3:-Doe}
  • Bar1 = Barista
  • Bar2 = -Jean-
varsubstituted=configuration["Foo"];
Now substituted contains Barista-Jean-Barista-Doe
About
Allows .NET Core configuration to allow substitution of some parts, similar to what Azure DevOps libraries offer
Resources
Readme
MIT license
Activity
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57 stars
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2 watching
Forks
13 forks
Report repository
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, '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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ConfigurationSubstitutor 
Allows to substitute variables from configuration, this way hostnames, or passwords can be separated and automatically substituted if another configuration entry references them.
Scenarios could be that you have the password from an Azure KeyVault and the connection string defined in appsettings. The connection string can reference the password.
Another scenario is that you have multiple configuration entries for the same domain, don't duplicate that information anymore, reference it.
Nuget
The nuget package name is ConfigurationSubstitutor: https://www.nuget.org/packages/ConfigurationSubstitutor/
Usage
ASP.NET Core
To add it to ASP.NET Core configuration simply place .EnableSubstitutions() last.
Make sure it is always called after all other configurations are added, else it won't behave properly!
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions();});
Another example where the configuration builder is created:
varconfiguration=newConfigurationBuilder().AddUserSecrets(typeof(GameRepositoryTests).Assembly).AddJsonFile("appsettings.json").EnableSubstitutions().Build();
Remark: you can also specify the start/end strings that define a substitutable value.
Here we define that values are enclosed within $(), that's what is used by Azure DevOps for substitutions.
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutions("$(",")");});
Moreover, you can also provide an in-line default value to fallback on in case a variable is missing, using the EnableSubstitutionsWithDelimitedFallbackDefaults. In such case, the delimiter string separating the variable name from the fallback default value must be provided (can't be null or empty).
publicstaticIHostBuilderCreateHostBuilder(string[]args)=>Host.CreateDefaultBuilder(args).ConfigureAppConfiguration((ctx,builder)=>{// if you have any additional configuration place it beforebuilder.EnableSubstitutionsWithDelimitedFallbackDefaults("$(",")",":");});
Examples
Connection string and password
Example where the entry ConnectionString references the DatabasePassword.
The configuration contains these two entries:
  • ConnectionString = blablabla&password={DatabasePassword}&server=localhost
  • DatabasePassword = ComplicatedPassword
varsubstituted=configuration["ConnectionString"];
Easy-peasy substituted contains blablabla&password=ComplicatedPassword&server=localhost
More substitutions
It supports any number of substitutions, for example if the configuration contains these three entries:
  • Foo = {Bar1}{Bar2}{Bar1}{Bar3:-Doe}
  • Bar1 = Barista
  • Bar2 = -Jean-
varsubstituted=configuration["Foo"];
Now substituted contains Barista-Jean-Barista-Doe
About
Allows .NET Core configuration to allow substitution of some parts, similar to what Azure DevOps libraries offer
Resources
Readme
MIT license
Activity
Stars
57 stars
Watchers
2 watching
Forks
13 forks
Report repository
Releases
Packages
Used by
Contributors
Languages