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Align Node server validation with Java server (async live validation) #99

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Align Node server validation with Java server (async live validation) #99

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2 changes: 2 additions & 0 deletions packages/server/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -63,11 +63,13 @@
"@types/uuid": "8.3.1",
"commander": "^8.3.0",
"fast-json-patch": "^3.1.0",
"lodash": "4.17.21",
"vscode-jsonrpc": "8.2.0",
"winston": "^3.3.3",
"ws": "^8.12.1"
},
"devDependencies": {
"@types/lodash": "4.14.191",
"@types/ws": "^8.5.4"
},
"peerDependencies": {
Expand Down
34 changes: 32 additions & 2 deletions packages/server/src/common/features/model/model-submission-handler.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -24,10 +24,13 @@ import {
SetDirtyStateAction,
SetMarkersAction,
SetModelAction,
StatusAction,
UpdateModelAction
} from '@eclipse-glsp/protocol';
import { DebouncedFunc, debounce } from 'lodash';

import { inject, injectable, optional } from 'inversify';
import { ActionDispatcher } from '../../actions/action-dispatcher';
import { CommandStack } from '../../command/command-stack';
import { DiagramConfiguration, ServerLayoutKind } from '../../diagram/diagram-configuration';
import { LayoutEngine } from '../layout/layout-engine';
Expand Down Expand Up @@ -70,8 +73,14 @@ export class ModelSubmissionHandler {
@optional()
protected validator?: ModelValidator;

@inject(ActionDispatcher)
protected actionDispatcher: ActionDispatcher;

protected requestModelAction?: RequestModelAction;

liveValidationDelay = 100;
protected debouncedLiveValidation?: DebouncedFunc<(validator: ModelValidator) => void>;

/**
* Returns a list of actions to submit the initial revision of the client-side model, based on the injected
* {@link ModelState}. Typically this method is invoked by the {@link RequestModelActionHandler} when the diagram
Expand Down Expand Up @@ -149,12 +158,33 @@ export class ModelSubmissionHandler {
result.push(SetDirtyStateAction.create(this.commandStack.isDirty, { reason }));
}
if (this.validator) {
const markers = await this.validator.validate([this.modelState.root], MarkersReason.LIVE);
result.push(SetMarkersAction.create(markers, { reason: MarkersReason.LIVE }));
const validationActions = await this.validateModel(this.validator);
result.push(...validationActions);
}
return result;
}

protected validateModel(validator: ModelValidator): MaybePromise<Action[]> {
this.scheduleLiveValidation(validator);
// we are using async, debounced live validation so there are no actions to return for the model submission
return [];
}

protected scheduleLiveValidation(validator: ModelValidator): void {
this.debouncedLiveValidation?.cancel();
this.debouncedLiveValidation = debounce(validator => this.performLiveValidation(validator), this.liveValidationDelay);
this.debouncedLiveValidation(validator);
}

protected async performLiveValidation(validator: ModelValidator): Promise<void> {
this.actionDispatcher.dispatch(StatusAction.create('Validate Model...'));
const markers = await validator.validate([this.modelState.root], MarkersReason.LIVE);
return this.actionDispatcher.dispatchAll(
SetMarkersAction.create(markers, { reason: MarkersReason.LIVE }),
StatusAction.create('', { severity: 'NONE' })
);
}

protected createSetModeAction(newRoot: GModelRootSchema): SetModelAction {
const responseId = this.requestModelAction?.requestId ?? '';
const response = SetModelAction.create(newRoot, { responseId });
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7 changes: 6 additions & 1 deletion yarn.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -1034,6 +1034,11 @@
resolved "https://registry.yarnpkg.com/@types/json5/-/json5-0.0.29.tgz#ee28707ae94e11d2b827bcbe5270bcea7f3e71ee"
integrity sha512-dRLjCWHYg4oaA77cxO64oO+7JwCwnIzkZPdrrC71jQmQtlhM556pwKo5bUzqvZndkVbeFLIIi+9TC40JNF5hNQ==

"@types/lodash@4.14.191":
version "4.14.191"
resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.191.tgz#09511e7f7cba275acd8b419ddac8da9a6a79e2fa"
integrity sha512-BdZ5BCCvho3EIXw6wUCXHe7rS53AIDPLE+JzwgT+OsJk53oBfbSmZZ7CX4VaRoN78N+TJpFi9QPlfIVNmJYWxQ==

"@types/minimatch@^3.0.3":
version "3.0.5"
resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.5.tgz#1001cc5e6a3704b83c236027e77f2f58ea010f40"
Expand Down Expand Up @@ -4739,7 +4744,7 @@ lodash.merge@^4.6.2:
resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.2.tgz#558aa53b43b661e1925a0afdfa36a9a1085fe57a"
integrity sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==

lodash@^4.17.21:
lodash@4.17.21, lodash@^4.17.21:
version "4.17.21"
resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
Expand Down
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