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Andrew Scott 29e5d509aa docs: clarify expectations for `ActivatedRoute` observables (#42316) 
https://github.com/angular/angular/issues/16261#issuecomment-748289240

A couple important things to note about the behavior:

* The component is destroyed, meaning that all of its members will be destroyed as well, including any subscriptions to the route params
* This _does not_ mean that any `finalize` operators or `complete` on the subscription is called. This only happens if the source completes or you unsubscribe from the subscription. The documentation doesn't state that the `Router` will do this, though I can still understand why the behavior is confusing.

You can play around with these scenarios here:
https://stackblitz.com/edit/rxjs-hmpizx
* `complete` the source without unsubscribe: `next`, `complete` and `finalize` are all called, even when `complete` is called before the `next` from the `delay`
* `unsubscribe` from subscription without `complete` on the source: `finalize` happens, but the `complete` of the subscription does not, and neither does `next`

So even if the `Router` were to call `complete` on all of the `Observables` on an `ActivatedRoute`, you would see that any subscriptions with a `delay` operator would still get called.

resolves #16261

PR Close #42316
 		2021-05-25 17:52:32 +00:00
..
accessibility.md docs: edits to remove jargon and abbreviations (#41530) 2021-04-15 16:00:53 -07:00
ajs-quick-reference.md docs: rewrite structural-directives.md (#40015) 2021-03-01 15:32:26 -08:00
angular-compiler-options.md feat(compiler-cli): mark ability to use partial compilation mode as stable (#41518) 2021-04-12 10:31:12 -07:00
animations.md docs: updated animation docs intro section and example (#42046) 2021-05-21 18:09:26 +00:00
aot-compiler.md docs: Fix component decorator closing brackets (#38754) 2020-09-09 09:06:10 -07:00
aot-metadata-errors.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
app-shell.md docs: replace `client-project` in app-shell documentation (#41957) 2021-05-06 09:38:09 -04:00
architecture-components.md docs: rewrite structural-directives.md (#40015) 2021-03-01 15:32:26 -08:00
architecture-modules.md docs: update links to use HTTPS as protocol (#39718) 2020-11-20 12:52:16 -08:00
architecture-next-steps.md docs: deprecate displaying data in views topic (#38885) 2020-10-15 14:05:28 -07:00
architecture-services.md docs: edit di providers doc (#39403) 2020-11-20 09:24:51 -08:00
architecture.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
attribute-binding.md docs: edit to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
attribute-directives.md build(docs-infra): ensure that terminal code snippets render correctly (#41986) 2021-05-07 13:11:04 -04:00
binding-syntax.md docs: fix styles in binding guides (#40182) 2020-12-21 10:22:31 -08:00
bootstrapping.md docs: change wrong default app module by ng new (#38549) 2020-09-21 12:25:28 -07:00
browser-support.md build(docs-infra): ensure that terminal code snippets render correctly (#41986) 2021-05-07 13:11:04 -04:00
build.md build(docs-infra): ensure that terminal code snippets render correctly (#41986) 2021-05-07 13:11:04 -04:00
built-in-directives.md docs: move helpful alert regarding built-in directives to more logical place (#42226) 2021-05-21 22:13:03 +00:00
cheatsheet.md refactor(docs-infra): simplify code snippet indentation in the "Cheat sheet" guide (#41051) 2021-03-09 08:52:52 -08:00
cli-builder.md docs: correct some spellings (#40322) 2021-01-06 07:31:33 -08:00
comparing-observables.md refactor(docs-infra): fix docs examples for tslint rule `prefer-const` (#38143) 2020-07-31 11:00:06 -07:00
complex-animation-sequences.md
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component-interaction.md docs: edit to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
component-overview.md docs: review and update components overview guide (#41263) 2021-03-30 16:44:01 -07:00
component-styles.md build(docs-infra): ensure that terminal code snippets render correctly (#41986) 2021-05-07 13:11:04 -04:00
content-projection.md docs: change `project` to `projected` for past tense (#42118) 2021-05-17 10:55:18 -07:00
contributors-guide-overview.md refactor(docs-infra): consistently format `docs-card` elements in the guides (#41250) 2021-04-01 11:19:57 -07:00
creating-libraries.md docs: change the documentation of creating-libraries by providing material links (#41982) 2021-05-07 10:11:08 -04:00
dependency-injection-in-action.md docs: fix the property name in the example (#41410) 2021-04-16 17:25:39 -07:00
dependency-injection-navtree.md docs: archive di-navtree doc (#39543) 2020-11-12 13:52:04 -08:00
dependency-injection-providers.md docs: fix text jargon from DI notes (#41928) 2021-05-04 08:08:46 -07:00
dependency-injection.md build(docs-infra): ensure that terminal code snippets render correctly (#41986) 2021-05-07 13:11:04 -04:00
deployment.md docs: change Zeit -> Vercel (#42285) 2021-05-25 02:43:38 +00:00
deprecations.md docs: move all existing router documentation into a single location and add two new topics: an overview and a reference (#41972) 2021-05-18 15:39:38 -07:00
devtools.md docs: embed the devtools video in the corresponding guide (#42161) 2021-05-20 16:55:16 +00:00
docs-style-guide.md docs: include source code styling section in docs style guide (#42227) 2021-05-24 17:38:02 +00:00
dynamic-component-loader.md refactor(docs-infra): fix docs examples for Angular-specific tslint rules (#38143) 2020-07-31 11:00:06 -07:00
dynamic-form.md docs: edit to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
elements.md docs: edit to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
entry-components.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
event-binding-concepts.md build(docs-infra): implement full template checking for examples (#40930) 2021-02-26 15:40:44 -08:00
event-binding.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
example-apps-list.md docs: initial commit of content projection topic. (#41143) 2021-05-05 13:47:27 -07:00
feature-modules.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
file-structure.md docs: update file structure document (#41923) 2021-05-03 14:26:38 -07:00
form-validation.md docs: improve accessibility of form-validation example (#41283) 2021-05-03 14:25:11 -07:00
forms-overview.md docs(forms): reduce ambiguity in forms data flow wording (#41900) 2021-05-03 10:01:14 -07:00
forms.md docs: add links to TypeScript (#40410) 2021-01-13 14:02:32 -08:00
frequent-ngmodules.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
glossary.md fix(docs-infra): update glossary to include the term template-input-variable (#41632) 2021-05-10 10:27:55 -04:00
hierarchical-dependency-injection.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
http.md docs: transform to uppercase API word in HTTP file (#42140) 2021-05-18 08:35:54 -07:00
i18n.md build(docs-infra): ensure that terminal code snippets render correctly (#41986) 2021-05-07 13:11:04 -04:00
inputs-outputs.md docs: make inputs-outputs example more accessible (#41288) 2021-04-26 09:12:17 -07:00
interpolation.md docs: rewrite structural-directives.md (#40015) 2021-03-01 15:32:26 -08:00
ivy-compatibility-examples.md docs: explain foreign function/value constraints in Ivy compatibility examples (#36092) 2020-11-24 13:09:37 -08:00
ivy-compatibility.md docs: uppercase API word in Ivy Compatibility file (#42089) 2021-05-14 21:06:32 +00:00
ivy.md docs: update docs to use new zone.js entry-points (#40823) 2021-02-24 07:58:29 -08:00
language-service.md docs: add instructions for opting into latest Language Service (#41600) 2021-04-21 17:29:05 -07:00
lazy-loading-ngmodules.md docs: fix a grammatical error in lazy-loading-ngmodules guide (#42008) 2021-05-10 11:53:18 -04:00
libraries.md
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lifecycle-hooks.md docs: edit to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
lightweight-injection-tokens.md docs: edits to remove jargon and abbreviations (#41530) 2021-04-15 16:00:53 -07:00
migration-dynamic-flag.md docs: remove https://angular.io from internal links (#37157) 2020-05-19 10:11:41 -07:00
migration-injectable.md
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migration-legacy-message-id.md docs: add new migration guide to v12 documentation that describes how to migrate older localization ids to new ones (#41828) 2021-05-04 08:09:52 -07:00
migration-localize.md
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migration-module-with-providers.md
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migration-renderer.md
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migration-undecorated-classes.md
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migration-update-libraries-tslib.md docs: updating guides and docs related to the v10 release (#37705) 2020-06-24 09:37:34 -07:00
migration-update-module-and-target-compiler-options.md docs: fix typo in migration guide (#41447) 2021-04-07 13:51:08 -07:00
module-types.md docs: Refactor module-types.md to make it easier to understand (#38206) 2020-07-28 10:01:37 -07:00
ngmodule-api.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
ngmodule-faq.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
ngmodule-vs-jsmodule.md docs: update links to use HTTPS as protocol (#39718) 2020-11-20 12:52:16 -08:00
ngmodules.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
npm-packages.md build(docs-infra): ensure that terminal code snippets render correctly (#41986) 2021-05-07 13:11:04 -04:00
observables-in-angular.md docs: edit inputs-outputs copy and headers (#39119) 2020-11-13 11:26:27 -08:00
observables.md docs: clarify observables recommendation (#39237) 2021-02-10 11:04:04 -08:00
pipes.md docs: edit to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
practical-observable-usage.md
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property-binding-best-practices.md docs: edit property binding doc (#38799) 2020-10-21 08:23:42 -07:00
property-binding.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
providers.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
reactive-forms.md docs: edit to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
releases.md docs: add Angular 12 support information (#42124) 2021-05-21 18:08:09 +00:00
reusable-animations.md docs: edits to remove jargon and abbreviations (#41530) 2021-04-15 16:00:53 -07:00
reviewing-content.md docs: use dedicated anchors for links to `CONTRIBUTING.md` (#41250) 2021-04-01 11:19:57 -07:00
roadmap.md docs: update the status of roadmap projects (#42159) 2021-05-19 09:19:06 -07:00
route-animations.md docs: edits to remove jargon and abbreviations (#41530) 2021-04-15 16:00:53 -07:00
router-reference.md docs: move all existing router documentation into a single location and add two new topics: an overview and a reference (#41972) 2021-05-18 15:39:38 -07:00
router-tutorial-toh.md docs: clarify expectations for `ActivatedRoute` observables (#42316) 2021-05-25 17:52:32 +00:00
router-tutorial.md docs(router): fix minor grammatical issue (#40380) 2021-01-11 09:57:34 -08:00
router.md docs: remove sentence about how the not reloading the page. (#42290) 2021-05-24 15:42:42 -07:00
routing-overview.md docs: move all existing router documentation into a single location and add two new topics: an overview and a reference (#41972) 2021-05-18 15:39:38 -07:00
routing-with-urlmatcher.md docs: add new tutorial that explains how to use the UrlMatcher for custom route matching (#42138) 2021-05-20 23:05:32 +00:00
rx-library.md test(docs-infra): add unit tests for rx-library examples (#38905) 2020-09-28 16:20:11 -04:00
schematics-authoring.md docs(core): update links to schema.json of @schematics/angular (#39827) 2020-11-24 10:50:30 -08:00
schematics-for-libraries.md docs: ident the library shematics guide properly (#41755) 2021-04-22 08:41:01 -07:00
schematics.md docs: update copy in schematics.md (#41521) 2021-04-15 14:38:06 -07:00
security.md docs: remove references to Trusted Types due to incompatibility with Webpack 5 (#41754) 2021-04-30 14:30:31 -07:00
service-worker-communications.md docs: edits to remove jargon and abbreviations (#41530) 2021-04-15 16:00:53 -07:00
service-worker-config.md docs: edits to remove jargon and abbreviations (#41530) 2021-04-15 16:00:53 -07:00
service-worker-devops.md docs: edits to remove jargon and abbreviations (#41530) 2021-04-15 16:00:53 -07:00
service-worker-getting-started.md docs: Edits to remove jargon (#41536) 2021-04-28 15:11:32 -07:00
service-worker-intro.md docs: edits to remove jargon and abbreviations (#41530) 2021-04-15 16:00:53 -07:00
set-document-title.md
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setup-local.md build(docs-infra): show a dist-tag when installing the CLI on non-stable versions (#41991) 2021-05-10 16:10:33 -04:00
sharing-ngmodules.md docs: remove the section "Using components vs services from other modules" (#41835) 2021-04-27 10:16:49 -07:00
singleton-services.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
static-query-migration.md docs: remove https://angular.io from internal links (#37157) 2020-05-19 10:11:41 -07:00
strict-mode.md build(docs-infra): ensure that terminal code snippets render correctly (#41986) 2021-05-07 13:11:04 -04:00
structural-directives.md docs: fix ng-for link in structural-directives.md (#42293) 2021-05-25 02:43:12 +00:00
style-precedence.md docs: fix typos in the Style Precedence guide (#39560) 2020-12-09 09:02:14 -08:00
styleguide.md docs: remove Codelyzer recommendation from style guide (#40992) 2021-03-04 11:01:48 -08:00
svg-in-templates.md docs: Return SVG topic to documentation; light edits for clarity (#40487) 2021-01-19 14:18:51 -08:00
template-expression-operators.md docs: archive template expression operators doc, move pipes precedence section (#39170) 2020-11-24 08:41:18 -08:00
template-reference-variables.md docs: rewrite structural-directives.md (#40015) 2021-03-01 15:32:26 -08:00
template-statements.md docs: rewrite structural-directives.md (#40015) 2021-03-01 15:32:26 -08:00
template-syntax.md docs: edit to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
template-typecheck.md docs: decorate input properties with @Input (#42128) 2021-05-18 08:35:05 -07:00
test-debugging.md docs: edits to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
testing-attribute-directives.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
testing-code-coverage.md docs: edit to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
testing-components-basics.md docs: edit to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
testing-components-scenarios.md docs: edit to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
testing-pipes.md docs: edits to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
testing-services.md docs: edit to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
testing-utility-apis.md fix(docs-infra): improve heading styles (#40427) 2021-02-02 12:04:55 -08:00
testing.md docs: edit to remove jargon (#41282) 2021-05-20 23:06:02 +00:00
transition-and-triggers.md docs: remove https://angular.io from internal links (#37157) 2020-05-19 10:11:41 -07:00
two-way-binding.md docs: fix typo in two-way-binding guide (#39859) 2020-11-30 11:15:02 -08:00
typescript-configuration.md docs: edit strict-mode.md to remove references for opting in (#41542) 2021-05-06 09:32:42 -04:00
universal.md docs: fix incorrect point in universal-in-action (#42262) 2021-05-24 14:47:06 +00:00
updating-content-github-ui.md docs: correctly style alert in `updating-content-github-ui` guide (#41250) 2021-04-01 11:19:57 -07:00
updating-search-keywords.md docs: several minor fixes/improvements to docs contributing guides (#41250) 2021-04-01 11:19:57 -07:00
updating-to-version-12.md docs: add redirect and update updating-to-v11 to v12 (#41625) 2021-05-06 15:15:08 -04:00
updating.md docs: edits to remove jargon and abbreviations (#41530) 2021-04-15 16:00:53 -07:00
upgrade-performance.md
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upgrade-setup.md build(docs-infra): ensure that terminal code snippets render correctly (#41986) 2021-05-07 13:11:04 -04:00
upgrade.md docs: update links to use HTTPS as protocol (#39718) 2020-11-20 12:52:16 -08:00
user-input.md docs: update docs to use new zone.js entry-points (#40823) 2021-02-24 07:58:29 -08:00
using-libraries.md docs: Grammar fixes (#38900) 2020-09-18 16:52:52 -07:00
view-encapsulation.md docs(core): fix typos in the "View Encapsulation" guide (#39246) 2020-12-08 08:53:36 -08:00
visual-studio-2015.md docs: update links to use HTTPS as protocol (#39718) 2020-11-20 12:52:16 -08:00
web-worker.md docs: update web-worker CLI commands to bash style (#38421) 2020-08-12 11:24:35 -07:00
what-is-angular.md docs: minor update to what is Angular topic (#41123) 2021-03-17 09:01:35 -07:00
workspace-config.md docs: edit strict-mode.md to remove references for opting in (#41542) 2021-05-06 09:32:42 -04:00
zone.md docs: update docs to use new zone.js entry-points (#40823) 2021-02-24 07:58:29 -08:00