remove noexit=yes and fixme=continue when you continue a line (#9634)

CHANGELOG.md

@@ -43,6 +43,7 @@ _Breaking developer changes, which may affect downstream projects or sites that
 * Linkify keys & tags in the preset docs from the wiki ([#10763], thanks [@k-yle])
 * Allow broken (unclosed) areas to be continued ([#9635], thanks [@k-yle])
 * Render `*_link` roads narrower than their "regular" counterpart ([#10722])
+* remove `noexit=yes` and `fixme=continue` when you continue a line ([#9634], thanks [@k-yle])
 #### :scissors: Operations
 * Fix splitting of closed ways (or areas) when two or more split-points are selected
 * Keep `red_turn:left/right` tags unchanged when reversing a way ([#10737], thanks [@burrscurr])
@@ -69,6 +70,7 @@ _Breaking developer changes, which may affect downstream projects or sites that
 
 [#7381]: https://github.com/openstreetmap/iD/issues/7381
 [#8911]: https://github.com/openstreetmap/iD/pull/8911
+[#9634]: https://github.com/openstreetmap/iD/pull/9634
 [#9635]: https://github.com/openstreetmap/iD/pull/9635
 [#10003]: https://github.com/openstreetmap/iD/pull/10003
 [#10648]: https://github.com/openstreetmap/iD/pull/10648

modules/operations/continue.js

@@ -2,6 +2,7 @@ import { t } from '../core/localizer';
 import { modeDrawLine } from '../modes/draw_line';
 import { behaviorOperation } from '../behavior/operation';
 import { utilArrayGroupBy } from '../util';
+import { actionChangeTags } from '../actions';
 
 
 export function operationContinue(context, selectedIDs) {
@@ -29,6 +30,23 @@ export function operationContinue(context, selectedIDs) {
 
     var operation = function() {
         var candidate = _candidates[0];
+
+        // remove fixme=continue or noexit=yes from the vertex.
+        const tagsToRemove = new Set();
+        if (_vertex.tags.fixme === 'continue') tagsToRemove.add('fixme');
+        if (_vertex.tags.noexit === 'yes') tagsToRemove.add('noexit');
+
+        if (tagsToRemove.size) {
+            context.perform((graph) => {
+                const newTags = { ..._vertex.tags };
+                for (const key of tagsToRemove) {
+                    delete newTags[key];
+                }
+
+                return actionChangeTags(_vertex.id, newTags)(graph);
+            }, operation.annotation());
+        }
+
         context.enter(
             modeDrawLine(context, candidate.id, context.graph(), 'line', candidate.affix(_vertex.id), true)
         );