RxJs - waiting for all Observables to finish
I've got this piece of code:
myModel.tags
.filter(...)
.map(...)
.forEach(t => context.dispatch(new MyAction(t)))
dispatch returns an Observable.
I'd like to execute other RxJs code only when those Observables are all completed.
Is that possible?
typescript rxjs
asked Nov 23 '18 at 14:08
LppEddLppEdd
2,69211442
add a comment |
I've got this piece of code:
myModel.tags
.filter(...)
.map(...)
.forEach(t => context.dispatch(new MyAction(t)))
dispatch returns an Observable.
I'd like to execute other RxJs code only when those Observables are all completed.
Is that possible?
typescript rxjs
asked Nov 23 '18 at 14:08
LppEddLppEdd
2,69211442
add a comment |
I've got this piece of code:
myModel.tags
.filter(...)
.map(...)
.forEach(t => context.dispatch(new MyAction(t)))
dispatch returns an Observable.
I'd like to execute other RxJs code only when those Observables are all completed.
Is that possible?
typescript rxjs
asked Nov 23 '18 at 14:08
LppEddLppEdd
2,69211442
I've got this piece of code:
myModel.tags
.filter(...)
.map(...)
.forEach(t => context.dispatch(new MyAction(t)))
dispatch returns an Observable.
I'd like to execute other RxJs code only when those Observables are all completed.
Is that possible?
typescript rxjs
typescript rxjs
asked Nov 23 '18 at 14:08
LppEddLppEdd
2,69211442
asked Nov 23 '18 at 14:08
LppEddLppEdd
2,69211442
edited Nov 24 '18 at 11:24
LppEdd
asked Nov 23 '18 at 14:08
LppEddLppEdd
2,69211442
asked Nov 23 '18 at 14:08
LppEddLppEdd
2,69211442
asked Nov 23 '18 at 14:08
LppEddLppEdd
2,69211442
2,69211442
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
If you want to know when all Observables complete you have to collect all of them into an array and then use ideally forkJoin:
const obs = myModel.tags
.filter(...)
.map(...)
.map(t => context.dispatch(new MyAction(t)))
const done$ = forkJoin(...obs).subscribe(...);
The forkJoin observable creation method will emit just once with the array of all responses and then complete.
answered Nov 23 '18 at 14:35
martinmartin
44.1k1187131
add a comment |
Your Answer
StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53448199%2frxjs-waiting-for-all-observables-to-finish%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
If you want to know when all Observables complete you have to collect all of them into an array and then use ideally forkJoin:
const obs = myModel.tags
.filter(...)
.map(...)
.map(t => context.dispatch(new MyAction(t)))
const done$ = forkJoin(...obs).subscribe(...);
The forkJoin observable creation method will emit just once with the array of all responses and then complete.
answered Nov 23 '18 at 14:35
martinmartin
44.1k1187131
add a comment |
If you want to know when all Observables complete you have to collect all of them into an array and then use ideally forkJoin:
const obs = myModel.tags
.filter(...)
.map(...)
.map(t => context.dispatch(new MyAction(t)))
const done$ = forkJoin(...obs).subscribe(...);
The forkJoin observable creation method will emit just once with the array of all responses and then complete.
answered Nov 23 '18 at 14:35
martinmartin
44.1k1187131
add a comment |
If you want to know when all Observables complete you have to collect all of them into an array and then use ideally forkJoin:
const obs = myModel.tags
.filter(...)
.map(...)
.map(t => context.dispatch(new MyAction(t)))
const done$ = forkJoin(...obs).subscribe(...);
The forkJoin observable creation method will emit just once with the array of all responses and then complete.
answered Nov 23 '18 at 14:35
martinmartin
44.1k1187131
If you want to know when all Observables complete you have to collect all of them into an array and then use ideally forkJoin:
const obs = myModel.tags
.filter(...)
.map(...)
.map(t => context.dispatch(new MyAction(t)))
const done$ = forkJoin(...obs).subscribe(...);
The forkJoin observable creation method will emit just once with the array of all responses and then complete.
answered Nov 23 '18 at 14:35
martinmartin
44.1k1187131
answered Nov 23 '18 at 14:35
martinmartin
44.1k1187131
answered Nov 23 '18 at 14:35
martinmartin
44.1k1187131
answered Nov 23 '18 at 14:35
martinmartin
44.1k1187131
44.1k1187131
add a comment |
add a comment |
Thanks for contributing an answer to Stack Overflow!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53448199%2frxjs-waiting-for-all-observables-to-finish%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
