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Add historyRestoreAsHxRequest config to optionally disable hx-request header from history restore requests (#3278)

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* Added Config to optionally disable the breaking HX-Request change made recently

* fix broken resolved conflict
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MichaelWest22 2025-04-25 08:21:23 +12:00 committed by GitHub
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5 changed files with 107 additions and 82 deletions
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13
src/htmx.js
View File

@ -271,7 +271,14 @@ var htmx = (function() {
* @type boolean
* @default true
*/
allowNestedOobSwaps: true
allowNestedOobSwaps: true,
/**
* Whether to treat history cache miss full page relaod requests as a "HX-Request" by returning this response header
* This should always be disabled when using HX-Request header to optionally return partial responses
* @type boolean
* @default true
*/
historyRestoreAsHxRequest: true
},
/** @type {typeof parseInterval} */
parseInterval: null,
@ -3193,7 +3200,9 @@ var htmx = (function() {
const details = { path, xhr: request }
triggerEvent(getDocument().body, 'htmx:historyCacheMiss', details)
request.open('GET', path, true)
request.setRequestHeader('HX-Request', 'true')
if (htmx.config.historyRestoreAsHxRequest) {
request.setRequestHeader('HX-Request', 'true')
}
request.setRequestHeader('HX-History-Restore-Request', 'true')
request.setRequestHeader('HX-Current-URL', location.href)
request.onload = function() {

13
test/core/headers.js
View File

@ -401,7 +401,7 @@ describe('Core htmx AJAX headers', function() {
htmx.location = window.location
})
it('request to restore history should include the HX-Request header', function() {
it('request to restore history should include the HX-Request header when historyRestoreAsHxRequest true', function() {
this.server.respondWith('GET', '/test', function(xhr) {
xhr.requestHeaders['HX-Request'].should.be.equal('true')
xhr.respond(200, {}, '')
@ -410,6 +410,17 @@ describe('Core htmx AJAX headers', function() {
this.server.respond()
})
it('request to restore history should not include the HX-Request header when historyRestoreAsHxRequest false', function() {
htmx.config.historyRestoreAsHxRequest = false
this.server.respondWith('GET', '/test', function(xhr) {
should.equal(xhr.requestHeaders['HX-Request'], undefined)
xhr.respond(200, {}, '')
})
htmx._('loadHistoryFromServer')('/test')
this.server.respond()
htmx.config.historyRestoreAsHxRequest = true
})
it('request history from server with error status code throws error event', function() {
this.server.respondWith('GET', '/test', function(xhr) {
xhr.requestHeaders['HX-Request'].should.be.equal('true')

3
www/content/api.md
View File

@ -137,7 +137,8 @@ Note that using a [meta tag](@/docs.md#config) is the preferred mechanism for se
* `scrollIntoViewOnBoost:true` - boolean: whether or not the target of a boosted element is scrolled into the viewport. If `hx-target` is omitted on a boosted element, the target defaults to `body`, causing the page to scroll to the top.
* `triggerSpecsCache:null` - object: the cache to store evaluated trigger specifications into, improving parsing performance at the cost of more memory usage. You may define a simple object to use a never-clearing cache, or implement your own system using a [proxy object](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Proxy)
* `htmx.config.responseHandling:[...]` - HtmxResponseHandlingConfig[]: the default [Response Handling](@/docs.md#response-handling) behavior for response status codes can be configured here to either swap or error
* `htmx.config.allowNestedOobSwaps:true` - boolean: whether to process OOB swaps on elements that are nested within the main response element. See [Nested OOB Swaps](@/attributes/hx-swap-oob.md#nested-oob-swaps).
* `htmx.config.allowNestedOobSwaps:true` - boolean: whether to process OOB swaps on elements that are nested within the main response element. See [Nested OOB Swaps](@/attributes/hx-swap-oob.md#nested-oob-swaps).
* `htmx.config.historyRestoreAsHxRequest:true` - Whether to treat history cache miss full page relaod requests as a "HX-Request" by returning this response header. This should always be disabled when using HX-Request header to optionally return partial responses
##### Example

86
www/content/docs.md
View File

@ -857,8 +857,9 @@ It then does the swap and pushes a new location onto the history stack.
When a user hits the back button, htmx will retrieve the old content from storage and swap it back into the target,
simulating "going back" to the previous state. If the location is not found in the cache, htmx will make an ajax
request to the given URL, with the header `HX-History-Restore-Request` set to true, and expects back the HTML needed
for the entire page. Alternatively, if the `htmx.config.refreshOnHistoryMiss` config variable is set to true, it will
issue a hard browser refresh.
for the entire page. You should always set `htmx.config.historyRestoreAsHxRequest` to false to prevent the `HX-Request` header
which can then be safely used to respond with partials. Alternatively, if the `htmx.config.refreshOnHistoryMiss` config variable
is set to true, it will issue a hard browser refresh.
**NOTE:** If you push a URL into the history, you **must** be able to navigate to that URL and get a full page back!
A user could copy and paste the URL into an email, or new tab. Additionally, htmx will need the entire page when restoring
@ -1019,7 +1020,7 @@ htmx includes a number of useful headers in requests:
| `HX-Current-URL` | the current URL of the browser
| `HX-History-Restore-Request` | "true" if the request is for history restoration after a miss in the local history cache
| `HX-Prompt` | the user response to an [hx-prompt](@/attributes/hx-prompt.md)
| `HX-Request` | always "true"
| `HX-Request` | always "true" except on history restore requests if `htmx.config.historyRestoreAsHxRequest' disabled
| `HX-Target` | the `id` of the target element if it exists
| `HX-Trigger-Name` | the `name` of the triggered element if it exists
| `HX-Trigger` | the `id` of the triggered element if it exists
@ -1527,7 +1528,8 @@ response HTTP header. For example, if your server renders the full HTML when the
`HX-Request` header is missing or `false`, and it renders a fragment of that HTML
when `HX-Request: true`, you need to add `Vary: HX-Request`. That causes the cache to be
keyed based on a composite of the response URL and the `HX-Request` request header —
rather than being based just on the response URL.
rather than being based just on the response URL. Always disable `htmx.config.historyRestoreAsHxRequest`
so that these history full HTML requests are not cached with partial fragment responses.
If you are unable (or unwilling) to use the `Vary` header, you can alternatively set the configuration parameter
`getCacheBusterParam` to `true`. If this configuration variable is set, htmx will include a cache-busting parameter
@ -1661,44 +1663,44 @@ listed below:
<div class="info-table">
| Config Variable | Info |
|---------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `htmx.config.historyEnabled` | defaults to `true`, really only useful for testing |
| `htmx.config.historyCacheSize` | defaults to 10 |
| `htmx.config.refreshOnHistoryMiss` | defaults to `false`, if set to `true` htmx will issue a full page refresh on history misses rather than use an AJAX request |
| `htmx.config.defaultSwapStyle` | defaults to `innerHTML` |
| `htmx.config.defaultSwapDelay` | defaults to 0 |
| `htmx.config.defaultSettleDelay` | defaults to 20 |
| `htmx.config.includeIndicatorStyles` | defaults to `true` (determines if the indicator styles are loaded) |
| `htmx.config.indicatorClass` | defaults to `htmx-indicator` |
| `htmx.config.requestClass` | defaults to `htmx-request` |
| `htmx.config.addedClass` | defaults to `htmx-added` |
| `htmx.config.settlingClass` | defaults to `htmx-settling` |
| `htmx.config.swappingClass` | defaults to `htmx-swapping` |
| `htmx.config.allowEval` | defaults to `true`, can be used to disable htmx's use of eval for certain features (e.g. trigger filters) |
| `htmx.config.allowScriptTags` | defaults to `true`, determines if htmx will process script tags found in new content |
| `htmx.config.inlineScriptNonce` | defaults to `''`, meaning that no nonce will be added to inline scripts |
| `htmx.config.attributesToSettle` | defaults to `["class", "style", "width", "height"]`, the attributes to settle during the settling phase |
| `htmx.config.inlineStyleNonce` | defaults to `''`, meaning that no nonce will be added to inline styles |
| `htmx.config.useTemplateFragments` | defaults to `false`, HTML template tags for parsing content from the server (not IE11 compatible!) |
| `htmx.config.wsReconnectDelay` | defaults to `full-jitter` |
| `htmx.config.wsBinaryType` | defaults to `blob`, the [type of binary data](https://developer.mozilla.org/docs/Web/API/WebSocket/binaryType) being received over the WebSocket connection |
| `htmx.config.disableSelector` | defaults to `[hx-disable], [data-hx-disable]`, htmx will not process elements with this attribute on it or a parent |
| `htmx.config.withCredentials` | defaults to `false`, allow cross-site Access-Control requests using credentials such as cookies, authorization headers or TLS client certificates |
| `htmx.config.timeout` | defaults to 0, the number of milliseconds a request can take before automatically being terminated |
| `htmx.config.scrollBehavior` | defaults to 'instant', the scroll behavior when using the [show](@/attributes/hx-swap.md#scrolling-scroll-show) modifier with `hx-swap`. The allowed values are `instant` (scrolling should happen instantly in a single jump), `smooth` (scrolling should animate smoothly) and `auto` (scroll behavior is determined by the computed value of [scroll-behavior](https://developer.mozilla.org/en-US/docs/Web/CSS/scroll-behavior)). |
| `htmx.config.defaultFocusScroll` | if the focused element should be scrolled into view, defaults to false and can be overridden using the [focus-scroll](@/attributes/hx-swap.md#focus-scroll) swap modifier. |
| `htmx.config.getCacheBusterParam` | defaults to false, if set to true htmx will append the target element to the `GET` request in the format `org.htmx.cache-buster=targetElementId` |
| `htmx.config.globalViewTransitions` | if set to `true`, htmx will use the [View Transition](https://developer.mozilla.org/en-US/docs/Web/API/View_Transitions_API) API when swapping in new content. |
| `htmx.config.methodsThatUseUrlParams` | defaults to `["get", "delete"]`, htmx will format requests with these methods by encoding their parameters in the URL, not the request body |
| `htmx.config.selfRequestsOnly` | defaults to `true`, whether to only allow AJAX requests to the same domain as the current document |
| `htmx.config.ignoreTitle` | defaults to `false`, if set to `true` htmx will not update the title of the document when a `title` tag is found in new content |
| `htmx.config.disableInheritance` | disables attribute inheritance in htmx, which can then be overridden by the [`hx-inherit`](@/attributes/hx-inherit.md) attribute |
| `htmx.config.scrollIntoViewOnBoost` | defaults to `true`, whether or not the target of a boosted element is scrolled into the viewport. If `hx-target` is omitted on a boosted element, the target defaults to `body`, causing the page to scroll to the top. |
| `htmx.config.triggerSpecsCache` | defaults to `null`, the cache to store evaluated trigger specifications into, improving parsing performance at the cost of more memory usage. You may define a simple object to use a never-clearing cache, or implement your own system using a [proxy object](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Proxy) |
| `htmx.config.responseHandling` | the default [Response Handling](@/docs.md#response-handling) behavior for response status codes can be configured here to either swap or error |
| `htmx.config.allowNestedOobSwaps` | defaults to `true`, whether to process OOB swaps on elements that are nested within the main response element. See [Nested OOB Swaps](@/attributes/hx-swap-oob.md#nested-oob-swaps). |
| Config Variable | Info |
|----------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `htmx.config.historyEnabled` | defaults to `true`, really only useful for testing |
| `htmx.config.historyCacheSize` | defaults to 10 |
| `htmx.config.refreshOnHistoryMiss` | defaults to `false`, if set to `true` htmx will issue a full page refresh on history misses rather than use an AJAX request |
| `htmx.config.defaultSwapStyle` | defaults to `innerHTML` |
| `htmx.config.defaultSwapDelay` | defaults to 0 |
| `htmx.config.defaultSettleDelay` | defaults to 20 |
| `htmx.config.includeIndicatorStyles` | defaults to `true` (determines if the indicator styles are loaded) |
| `htmx.config.indicatorClass` | defaults to `htmx-indicator` |
| `htmx.config.requestClass` | defaults to `htmx-request` |
| `htmx.config.addedClass` | defaults to `htmx-added` |
| `htmx.config.settlingClass` | defaults to `htmx-settling` |
| `htmx.config.swappingClass` | defaults to `htmx-swapping` |
| `htmx.config.allowEval` | defaults to `true`, can be used to disable htmx's use of eval for certain features (e.g. trigger filters) |
| `htmx.config.allowScriptTags` | defaults to `true`, determines if htmx will process script tags found in new content |
| `htmx.config.inlineScriptNonce` | defaults to `''`, meaning that no nonce will be added to inline scripts |
| `htmx.config.attributesToSettle` | defaults to `["class", "style", "width", "height"]`, the attributes to settle during the settling phase |
| `htmx.config.inlineStyleNonce` | defaults to `''`, meaning that no nonce will be added to inline styles |
| `htmx.config.useTemplateFragments` | defaults to `false`, HTML template tags for parsing content from the server (not IE11 compatible!) |
| `htmx.config.wsReconnectDelay` | defaults to `full-jitter` |
| `htmx.config.wsBinaryType` | defaults to `blob`, the [type of binary data](https://developer.mozilla.org/docs/Web/API/WebSocket/binaryType) being received over the WebSocket connection |
| `htmx.config.disableSelector` | defaults to `[hx-disable], [data-hx-disable]`, htmx will not process elements with this attribute on it or a parent |
| `htmx.config.withCredentials` | defaults to `false`, allow cross-site Access-Control requests using credentials such as cookies, authorization headers or TLS client certificates |
| `htmx.config.timeout` | defaults to 0, the number of milliseconds a request can take before automatically being terminated |
| `htmx.config.scrollBehavior` | defaults to 'instant', the scroll behavior when using the [show](@/attributes/hx-swap.md#scrolling-scroll-show) modifier with `hx-swap`. The allowed values are `instant` (scrolling should happen instantly in a single jump), `smooth` (scrolling should animate smoothly) and `auto` (scroll behavior is determined by the computed value of [scroll-behavior](https://developer.mozilla.org/en-US/docs/Web/CSS/scroll-behavior)). |
| `htmx.config.defaultFocusScroll` | if the focused element should be scrolled into view, defaults to false and can be overridden using the [focus-scroll](@/attributes/hx-swap.md#focus-scroll) swap modifier. |
| `htmx.config.getCacheBusterParam` | defaults to false, if set to true htmx will append the target element to the `GET` request in the format `org.htmx.cache-buster=targetElementId` |
| `htmx.config.globalViewTransitions` | if set to `true`, htmx will use the [View Transition](https://developer.mozilla.org/en-US/docs/Web/API/View_Transitions_API) API when swapping in new content. |
| `htmx.config.methodsThatUseUrlParams` | defaults to `["get", "delete"]`, htmx will format requests with these methods by encoding their parameters in the URL, not the request body |
| `htmx.config.selfRequestsOnly` | defaults to `true`, whether to only allow AJAX requests to the same domain as the current document |
| `htmx.config.ignoreTitle` | defaults to `false`, if set to `true` htmx will not update the title of the document when a `title` tag is found in new content |
| `htmx.config.disableInheritance` | disables attribute inheritance in htmx, which can then be overridden by the [`hx-inherit`](@/attributes/hx-inherit.md) attribute |
| `htmx.config.scrollIntoViewOnBoost` | defaults to `true`, whether or not the target of a boosted element is scrolled into the viewport. If `hx-target` is omitted on a boosted element, the target defaults to `body`, causing the page to scroll to the top. |
| `htmx.config.triggerSpecsCache` | defaults to `null`, the cache to store evaluated trigger specifications into, improving parsing performance at the cost of more memory usage. You may define a simple object to use a never-clearing cache, or implement your own system using a [proxy object](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Proxy) |
| `htmx.config.responseHandling` | the default [Response Handling](@/docs.md#response-handling) behavior for response status codes can be configured here to either swap or error |
| `htmx.config.allowNestedOobSwaps` | defaults to `true`, whether to process OOB swaps on elements that are nested within the main response element. See [Nested OOB Swaps](@/attributes/hx-swap-oob.md#nested-oob-swaps). |
| `htmx.config.historyRestoreAsHxRequest`| defaults to `true`, Whether to treat history cache miss full page relaod requests as a "HX-Request" by returning this response header. This should always be disabled when using HX-Request header to optionally return partial responses |
</div>
You can set them directly in javascript, or you can use a `meta` tag:

74
www/content/reference.md
View File

@ -218,42 +218,44 @@ listed below:
<div class="info-table">
| Config Variable | Info |
|---------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `htmx.config.historyEnabled` | defaults to `true`, really only useful for testing |
| `htmx.config.historyCacheSize` | defaults to 10 |
| `htmx.config.refreshOnHistoryMiss` | defaults to `false`, if set to `true` htmx will issue a full page refresh on history misses rather than use an AJAX request |
| `htmx.config.defaultSwapStyle` | defaults to `innerHTML` |
| `htmx.config.defaultSwapDelay` | defaults to 0 |
| `htmx.config.defaultSettleDelay` | defaults to 20 |
| `htmx.config.includeIndicatorStyles` | defaults to `true` (determines if the indicator styles are loaded) |
| `htmx.config.indicatorClass` | defaults to `htmx-indicator` |
| `htmx.config.requestClass` | defaults to `htmx-request` |
| `htmx.config.addedClass` | defaults to `htmx-added` |
| `htmx.config.settlingClass` | defaults to `htmx-settling` |
| `htmx.config.swappingClass` | defaults to `htmx-swapping` |
| `htmx.config.allowEval` | defaults to `true`, can be used to disable htmx's use of eval for certain features (e.g. trigger filters) |
| `htmx.config.allowScriptTags` | defaults to `true`, determines if htmx will process script tags found in new content |
| `htmx.config.inlineScriptNonce` | defaults to `''`, meaning that no nonce will be added to inline scripts |
| `htmx.config.inlineStyleNonce` | defaults to `''`, meaning that no nonce will be added to inline styles |
| `htmx.config.attributesToSettle` | defaults to `["class", "style", "width", "height"]`, the attributes to settle during the settling phase |
| `htmx.config.wsReconnectDelay` | defaults to `full-jitter` |
| `htmx.config.wsBinaryType` | defaults to `blob`, the [the type of binary data](https://developer.mozilla.org/docs/Web/API/WebSocket/binaryType) being received over the WebSocket connection |
| `htmx.config.disableSelector` | defaults to `[hx-disable], [data-hx-disable]`, htmx will not process elements with this attribute on it or a parent |
| `htmx.config.disableInheritance` | defaults to `false`. If it is set to `true`, the inheritance of attributes is completely disabled and you can explicitly specify the inheritance with the [hx-inherit](@/attributes/hx-inherit.md) attribute.
| `htmx.config.withCredentials` | defaults to `false`, allow cross-site Access-Control requests using credentials such as cookies, authorization headers or TLS client certificates |
| `htmx.config.timeout` | defaults to 0, the number of milliseconds a request can take before automatically being terminated |
| `htmx.config.scrollBehavior` | defaults to 'instant', the scroll behavior when using the [show](@/attributes/hx-swap.md#scrolling-scroll-show) modifier with `hx-swap`. The allowed values are `instant` (scrolling should happen instantly in a single jump), `smooth` (scrolling should animate smoothly) and `auto` (scroll behavior is determined by the computed value of [scroll-behavior](https://developer.mozilla.org/en-US/docs/Web/CSS/scroll-behavior)). |
| `htmx.config.defaultFocusScroll` | if the focused element should be scrolled into view, defaults to false and can be overridden using the [focus-scroll](@/attributes/hx-swap.md#focus-scroll) swap modifier. |
| `htmx.config.getCacheBusterParam` | defaults to false, if set to true htmx will append the target element to the `GET` request in the format `org.htmx.cache-buster=targetElementId` |
| `htmx.config.globalViewTransitions` | if set to `true`, htmx will use the [View Transition](https://developer.mozilla.org/en-US/docs/Web/API/View_Transitions_API) API when swapping in new content. |
| `htmx.config.methodsThatUseUrlParams` | defaults to `["get", "delete"]`, htmx will format requests with these methods by encoding their parameters in the URL, not the request body |
| `htmx.config.selfRequestsOnly` | defaults to `true`, whether to only allow AJAX requests to the same domain as the current document |
| `htmx.config.ignoreTitle` | defaults to `false`, if set to `true` htmx will not update the title of the document when a `title` tag is found in new content |
| `htmx.config.scrollIntoViewOnBoost` | defaults to `true`, whether or not the target of a boosted element is scrolled into the viewport. If `hx-target` is omitted on a boosted element, the target defaults to `body`, causing the page to scroll to the top. |
| `htmx.config.triggerSpecsCache` | defaults to `null`, the cache to store evaluated trigger specifications into, improving parsing performance at the cost of more memory usage. You may define a simple object to use a never-clearing cache, or implement your own system using a [proxy object](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Proxy) |
| `htmx.config.responseHandling` | the default [Response Handling](@/docs.md#response-handling) behavior for response status codes can be configured here to either swap or error |
| `htmx.config.allowNestedOobSwaps` | defaults to `true`, whether to process OOB swaps on elements that are nested within the main response element. See [Nested OOB Swaps](@/attributes/hx-swap-oob.md#nested-oob-swaps). |
| Config Variable | Info |
|----------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `htmx.config.historyEnabled` | defaults to `true`, really only useful for testing |
| `htmx.config.historyCacheSize` | defaults to 10 |
| `htmx.config.refreshOnHistoryMiss` | defaults to `false`, if set to `true` htmx will issue a full page refresh on history misses rather than use an AJAX request |
| `htmx.config.defaultSwapStyle` | defaults to `innerHTML` |
| `htmx.config.defaultSwapDelay` | defaults to 0 |
| `htmx.config.defaultSettleDelay` | defaults to 20 |
| `htmx.config.includeIndicatorStyles` | defaults to `true` (determines if the indicator styles are loaded) |
| `htmx.config.indicatorClass` | defaults to `htmx-indicator` |
| `htmx.config.requestClass` | defaults to `htmx-request` |
| `htmx.config.addedClass` | defaults to `htmx-added` |
| `htmx.config.settlingClass` | defaults to `htmx-settling` |
| `htmx.config.swappingClass` | defaults to `htmx-swapping` |
| `htmx.config.allowEval` | defaults to `true`, can be used to disable htmx's use of eval for certain features (e.g. trigger filters) |
| `htmx.config.allowScriptTags` | defaults to `true`, determines if htmx will process script tags found in new content |
| `htmx.config.inlineScriptNonce` | defaults to `''`, meaning that no nonce will be added to inline scripts |
| `htmx.config.inlineStyleNonce` | defaults to `''`, meaning that no nonce will be added to inline styles |
| `htmx.config.attributesToSettle` | defaults to `["class", "style", "width", "height"]`, the attributes to settle during the settling phase |
| `htmx.config.wsReconnectDelay` | defaults to `full-jitter` |
| `htmx.config.wsBinaryType` | defaults to `blob`, the [the type of binary data](https://developer.mozilla.org/docs/Web/API/WebSocket/binaryType) being received over the WebSocket connection |
| `htmx.config.disableSelector` | defaults to `[hx-disable], [data-hx-disable]`, htmx will not process elements with this attribute on it or a parent |
| `htmx.config.disableInheritance` | defaults to `false`. If it is set to `true`, the inheritance of attributes is completely disabled and you can explicitly specify the inheritance with the [hx-inherit](@/attributes/hx-inherit.md) attribute.
| `htmx.config.withCredentials` | defaults to `false`, allow cross-site Access-Control requests using credentials such as cookies, authorization headers or TLS client certificates |
| `htmx.config.timeout` | defaults to 0, the number of milliseconds a request can take before automatically being terminated |
| `htmx.config.scrollBehavior` | defaults to 'instant', the scroll behavior when using the [show](@/attributes/hx-swap.md#scrolling-scroll-show) modifier with `hx-swap`. The allowed values are `instant` (scrolling should happen instantly in a single jump), `smooth` (scrolling should animate smoothly) and `auto` (scroll behavior is determined by the computed value of [scroll-behavior](https://developer.mozilla.org/en-US/docs/Web/CSS/scroll-behavior)). |
| `htmx.config.defaultFocusScroll` | if the focused element should be scrolled into view, defaults to false and can be overridden using the [focus-scroll](@/attributes/hx-swap.md#focus-scroll) swap modifier. |
| `htmx.config.getCacheBusterParam` | defaults to false, if set to true htmx will append the target element to the `GET` request in the format `org.htmx.cache-buster=targetElementId` |
| `htmx.config.globalViewTransitions` | if set to `true`, htmx will use the [View Transition](https://developer.mozilla.org/en-US/docs/Web/API/View_Transitions_API) API when swapping in new content. |
| `htmx.config.methodsThatUseUrlParams` | defaults to `["get", "delete"]`, htmx will format requests with these methods by encoding their parameters in the URL, not the request body |
| `htmx.config.selfRequestsOnly` | defaults to `true`, whether to only allow AJAX requests to the same domain as the current document |
| `htmx.config.ignoreTitle` | defaults to `false`, if set to `true` htmx will not update the title of the document when a `title` tag is found in new content |
| `htmx.config.scrollIntoViewOnBoost` | defaults to `true`, whether or not the target of a boosted element is scrolled into the viewport. If `hx-target` is omitted on a boosted element, the target defaults to `body`, causing the page to scroll to the top. |
| `htmx.config.triggerSpecsCache` | defaults to `null`, the cache to store evaluated trigger specifications into, improving parsing performance at the cost of more memory usage. You may define a simple object to use a never-clearing cache, or implement your own system using a [proxy object](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Proxy) |
| `htmx.config.responseHandling` | the default [Response Handling](@/docs.md#response-handling) behavior for response status codes can be configured here to either swap or error |
| `htmx.config.allowNestedOobSwaps` | defaults to `true`, whether to process OOB swaps on elements that are nested within the main response element. See [Nested OOB Swaps](@/attributes/hx-swap-oob.md#nested-oob-swaps). |
| `htmx.config.historyRestoreAsHxRequest`| defaults to `true`, Whether to treat history cache miss full page relaod requests as a "HX-Request" by returning this response header. This should always be disabled when using HX-Request header to optionally return partial responses |
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