CC-1480: Highlight language guides in stage 2 tutorial card #2367
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Bundle ReportChanges will increase total bundle size by 2.71kB (0.01%) ⬆️. This is within the configured threshold ✅ Detailed changes
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Codecov ReportAll modified and coverable lines are covered by tests ✅ ✅ All tests successful. No failed tests found. Additional details and impacted files📢 Thoughts on this report? Let us know! |
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Actionable comments posted: 3
🧹 Outside diff range and nitpick comments (2)
app/components/course-page/course-stage-step/second-stage-instructions-card/read-instructions-step.hbs (1)
12-21: LGTM! Consider adding ARIA attributes for better accessibility.
The conditional rendering logic is well-implemented and maintains a consistent user experience. The content is clear and purposeful in both cases.
Consider adding ARIA attributes to enhance accessibility:
{{#if @isShowingLanguageGuide}}
The
- <a href="#language-guide-card">{{this.currentLanguageName}} Guide</a>
+ <a href="#language-guide-card" aria-label="View {{this.currentLanguageName}} specific guide">{{this.currentLanguageName}} Guide</a>
card, which contains
{{this.currentLanguageName}}-specific instructions for this stage.
{{else}}
The
- <LinkTo @route="course.stage.code-examples">Code Examples</LinkTo>
+ <LinkTo @route="course.stage.code-examples" aria-label="View code examples from other users">Code Examples</LinkTo>
tab, which contains code examples from other users.
{{/if}}app/components/course-page/course-stage-step/second-stage-instructions-card.hbs (1)
Line range hint 1-44: Consider adding tests for language guide visibility logic.
While the PR objectives mention that tests weren't added, consider adding tests to verify:
- Language guide loading behavior on component initialization and course stage changes
- Correct propagation of
isShowingLanguageGuideto child components - Integration tests for the visibility toggling functionality
This would help ensure the reliability of the language guide feature.
Would you like me to help draft some test cases for these scenarios?
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📒 Files selected for processing (6)
- app/components/course-page/course-stage-step/second-stage-instructions-card.hbs (2 hunks)
- app/components/course-page/course-stage-step/second-stage-instructions-card.ts (4 hunks)
- app/components/course-page/course-stage-step/second-stage-instructions-card/implement-solution-step.hbs (1 hunks)
- app/components/course-page/course-stage-step/second-stage-instructions-card/implement-solution-step.ts (1 hunks)
- app/components/course-page/course-stage-step/second-stage-instructions-card/read-instructions-step.hbs (1 hunks)
- app/components/course-page/course-stage-step/second-stage-instructions-card/read-instructions-step.ts (1 hunks)
🧰 Additional context used
🪛 GitHub Check: codecov/patch
app/components/course-page/course-stage-step/second-stage-instructions-card/implement-solution-step.ts
[warning] 19-19: app/components/course-page/course-stage-step/second-stage-instructions-card/implement-solution-step.ts#L19
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app/components/course-page/course-stage-step/second-stage-instructions-card/read-instructions-step.ts
[warning] 19-19: app/components/course-page/course-stage-step/second-stage-instructions-card/read-instructions-step.ts#L19
Added line #L19 was not covered by tests
🔇 Additional comments (10)
app/components/course-page/course-stage-step/second-stage-instructions-card/implement-solution-step.hbs (2)
6-12: LGTM! Clean conditional implementation.
The conditional rendering is well-structured and maintains a consistent user experience by providing appropriate guidance in both cases. The implementation aligns with the PR objective of enhancing language guide visibility.
6-12: Verify the language guide card anchor exists.
The template links to "#language-guide-card" anchor. Please ensure this anchor exists in the parent template to avoid broken navigation.
✅ Verification successful
The language guide card anchor exists in both simple and full guide templates ✓
The "#language-guide-card" anchor is properly implemented in both variants of the language guide card:
simple-language-guide-card.hbslanguage-guide-card.hbs
This ensures the anchor link in the instructions will work correctly regardless of which guide variant is rendered.
🏁 Scripts executed
The following scripts were executed for the analysis:
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#!/bin/bash
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rg -t html -t hbs 'id="language-guide-card"' || rg -t html -t hbs 'name="language-guide-card"'
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app/components/course-page/course-stage-step/second-stage-instructions-card/read-instructions-step.ts (1)
12-12: LGTM: Clean interface extension
The addition of the required boolean flag isShowingLanguageGuide to the Args interface is well-typed and aligns with the PR's objective of enhancing language guide visibility.
app/components/course-page/course-stage-step/second-stage-instructions-card/implement-solution-step.ts (2)
12-12: LGTM: Interface extension is well-typed
The addition of isShowingLanguageGuide boolean argument is properly typed and aligns with the component's purpose.
17-19:
Consider safer type handling and add tests
The getter implementation has several areas for improvement:
- The non-null assertion (
!) assumeslanguageis always defined, which might not be true - The method lacks test coverage
- Missing documentation explaining the getter's purpose
Here's a safer implementation:
+ /**
+ * Returns the name of the repository's programming language
+ * @throws Error if language is not set
+ */
get currentLanguageName(): string {
- return this.args.repository.language!.name;
+ if (!this.args.repository.language) {
+ throw new Error('Repository language is not set');
+ }
+ return this.args.repository.language.name;
}Let's verify if language can be undefined:
🧰 Tools
🪛 GitHub Check: codecov/patch
[warning] 19-19: app/components/course-page/course-stage-step/second-stage-instructions-card/implement-solution-step.ts#L19
Added line #L19 was not covered by tests
app/components/course-page/course-stage-step/second-stage-instructions-card.hbs (3)
27-27: LGTM: Clean integration of language guide visibility.
The @isShowingLanguageGuide prop is well-named and consistently integrated with existing props.
34-34: LGTM: Consistent implementation across components.
The @isShowingLanguageGuide prop is consistently implemented across both step components.
5-6: Verify duplicate loading prevention in loadLanguageGuides.
The component uses both did-insert and did-update hooks to load language guides. While this ensures loading occurs both on initial render and course stage changes, verify that the loadLanguageGuides method implements proper caching or deduplication to prevent unnecessary duplicate API calls.
Let's check the implementation of loadLanguageGuides:
✅ Verification successful
Duplicate loading is properly handled using ember-concurrency task
The implementation in second-stage-instructions-card.ts shows that loadLanguageGuides uses an ember-concurrency task with keepLatest: true option, which automatically cancels any running task instance when a new one starts. This effectively prevents duplicate API calls when both did-insert and did-update hooks fire in succession.
Key implementation details:
- Uses
loadLanguageGuidesTask = task({ keepLatest: true }, ...)to manage concurrent requests - The task performs a single store query with proper includes
- The
keepLatestoption ensures only one API call is active at a time
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Search for loadLanguageGuides implementation
ast-grep --pattern 'loadLanguageGuides = $_' || ast-grep --pattern 'loadLanguageGuides() {
$$$
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app/components/course-page/course-stage-step/second-stage-instructions-card.ts (2)
8-8: LGTM: Clean service integration
The new imports and service injection are well-structured and properly typed, following Ember.js best practices.
Also applies to: 10-10, 59-59
123-126: Verify lifecycle hooks integration
Ensure that the loadLanguageGuides action is properly connected to component lifecycle hooks in the template.
✅ Verification successful
Lifecycle hooks are properly integrated
The lifecycle hooks for loadLanguageGuides are correctly set up in the template:
- Both
did-insertanddid-updatemodifiers are present insecond-stage-instructions-card.hbs - The
did-updatemodifier is correctly bound to@courseStagefor reactivity
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#!/bin/bash
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rg -t hbs "did-(insert|update).*loadLanguageGuides" app/components/course-page/course-stage-step/
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...nents/course-page/course-stage-step/second-stage-instructions-card/read-instructions-step.ts
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app/components/course-page/course-stage-step/second-stage-instructions-card.hbs
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| @@ -36,7 +36,7 @@ module('Acceptance | course-page | try-other-language', function (hooks) { | |||
| 'fetch repositories (course page)', | |||
| 'fetch leaderboard entries (course page)', | |||
| 'fetch hints (course page)', | |||
| // 'fetch language guide (course page)', | |||
| 'fetch language guide (course page)', | |||
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Hmm, weren't we already loading this from the current card on the page? 🤔 @andy1li do you know why this only has to be uncommented now?
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@rohitpaulk I needed to uncomment three of them, otherwise the tests won't pass.
Context:
These tests were set up on the second stage of redis. It seems that language guides hadn't been loaded before recent changes.
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Actionable comments posted: 6
🧹 Outside diff range and nitpick comments (1)
app/components/course-page/course-stage-step/simple-language-guide-card.hbs (1)
1-8: Consider adding type safety for the onExpand action.
While the component structure looks good, consider adding TypeScript type definitions or PropTypes for the onExpand action to ensure type safety and better documentation.
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📒 Files selected for processing (14)
- app/components/course-page/course-stage-step/second-stage-instructions-card.hbs (1 hunks)
- app/components/course-page/course-stage-step/second-stage-instructions-card.ts (1 hunks)
- app/components/course-page/course-stage-step/second-stage-instructions-card/implement-solution-step.hbs (1 hunks)
- app/components/course-page/course-stage-step/second-stage-instructions-card/implement-solution-step.ts (1 hunks)
- app/components/course-page/course-stage-step/second-stage-instructions-card/read-instructions-step.hbs (2 hunks)
- app/components/course-page/course-stage-step/second-stage-instructions-card/read-instructions-step.ts (1 hunks)
- app/components/course-page/course-stage-step/simple-language-guide-card.hbs (1 hunks)
- app/components/course-page/course-stage-step/simple-language-guide-card.ts (2 hunks)
- app/controllers/course/stage/instructions.ts (3 hunks)
- app/templates/course/stage/instructions.hbs (2 hunks)
- tests/acceptance/course-page/attempt-course-stage-test.js (1 hunks)
- tests/acceptance/course-page/resume-course-test.js (1 hunks)
- tests/acceptance/course-page/switch-repository-test.js (1 hunks)
- tests/acceptance/course-page/try-other-language-test.js (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (6)
- app/components/course-page/course-stage-step/second-stage-instructions-card.hbs
- app/components/course-page/course-stage-step/second-stage-instructions-card.ts
- app/components/course-page/course-stage-step/second-stage-instructions-card/implement-solution-step.hbs
- app/components/course-page/course-stage-step/second-stage-instructions-card/implement-solution-step.ts
- app/components/course-page/course-stage-step/second-stage-instructions-card/read-instructions-step.hbs
- app/components/course-page/course-stage-step/second-stage-instructions-card/read-instructions-step.ts
🔇 Additional comments (9)
app/components/course-page/course-stage-step/simple-language-guide-card.ts (1)
7-7: LGTM: Type import addition improves type safety
The explicit import of CourseStageLanguageGuideModel type enhances type checking and code clarity.
tests/acceptance/course-page/resume-course-test.js (1)
42-42: LGTM! Test coverage aligns with new language guide functionality.
The addition of the language guide API request assertion appropriately validates the new behavior being introduced for highlighting language guides in the stage 2 tutorial card.
app/controllers/course/stage/instructions.ts (3)
13-14: LGTM!
The new imports are correctly typed and necessary for the added functionality.
21-21: LGTM!
The store service injection is properly typed and follows Ember.js conventions.
53-59: LGTM!
The computed property now correctly checks for the existence of a language guide before attempting to show it. The implementation follows the previous review suggestion regarding the feature flag check.
tests/acceptance/course-page/attempt-course-stage-test.js (1)
44-44: LGTM! Consider updating other test cases.
The addition of 'fetch language guide (course page)' correctly updates the test expectations to account for the new language guide API request.
Let's verify if other test cases in this file need similar updates:
✅ Verification successful
No updates needed in other test cases
The verification shows that only one test case in this file checks API request counts. The other test cases ('can pass course stage' and 'can pass tests using CLI') focus on different aspects like step completion and CLI usage, and don't verify API request counts. Therefore, no similar updates are needed in other test cases.
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app/templates/course/stage/instructions.hbs (2)
1-5: Verify error handling for loadLanguageGuides.
The lifecycle hooks ensure proper loading of language guides. However, please verify:
- Error handling for failed guide loads
- Potential double-loading when component is first inserted
#!/bin/bash
# Search for loadLanguageGuides implementation to verify error handling
ast-grep --pattern 'loadLanguageGuides() {
$$$
}'42-44: LGTM! Verify SecondStageInstructionsCard implementation.
The addition of @shouldRecommendLanguageGuide aligns well with the PR objective to highlight language guides in stage 2. The property name is semantic and follows component composition best practices.
✅ Verification successful
Implementation verified and properly handles the shouldRecommendLanguageGuide prop
The verification shows that:
- The
shouldRecommendLanguageGuideprop is correctly defined in the component's interface (Signature.Args) - The prop is properly passed down to both
ReadInstructionsStepandImplementSolutionStepchild components - The source of the prop in the controller is well-implemented, considering language guides availability and feature flags
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#!/bin/bash
# Search for SecondStageInstructionsCard implementation to verify prop handling
ast-grep --pattern 'class SecondStageInstructionsCard {
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ast-grep --pattern 'get shouldShowLanguageGuide() {
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tests/acceptance/course-page/try-other-language-test.js (1)
39-39: LGTM: Test update correctly reflects new language guide loading behavior.
The addition of this expectation aligns with the recent changes to load language guides and matches the PR's objective of highlighting language guides in the tutorial card. The past review discussion confirms this was needed to reflect actual behavior.
Let's verify this is the only place needing this expectation:
✅ Verification successful
Test expectation is consistently implemented across related test files
The expectation for 'fetch language guide (course page)' is correctly added and appears consistently in all relevant course page test files, following the same pattern after 'fetch hints' and alongside 'fetch leaderboard entries'. This confirms the change is properly synchronized across the test suite.
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echo -e "\n=== resume-course-test.js ==="
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app/components/course-page/course-stage-step/simple-language-guide-card.ts
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Actionable comments posted: 1
🧹 Outside diff range and nitpick comments (2)
app/components/course-page/course-stage-step/simple-language-guide-card.ts (1)
18-21: Consider adding tests for the expand functionality.
While the code changes look good, this component handles user interactions that should be tested. Consider adding tests to verify:
- The expand action correctly calls
createView() - The component properly renders with different language guide data
Would you like me to help generate test cases for this component?
app/templates/course/stage/instructions.hbs (1)
89-92: Consider simplifying the nested conditions.
While the TypeScript type narrowing is necessary, the nested conditions could be combined using the and helper for better readability.
Consider this alternative:
- {{#if this.shouldShowLanguageGuide}}
- {{! Extra if condition convinces typescript that languageGuide isn't null }}
- {{#if this.languageGuide}}
- <CoursePage::CourseStageStep::SimpleLanguageGuideCard @languageGuide={{this.languageGuide}} class="mt-6" />
- {{/if}}
- {{/if}}
+ {{#if (and this.shouldShowLanguageGuide this.languageGuide)}}
+ <CoursePage::CourseStageStep::SimpleLanguageGuideCard @languageGuide={{this.languageGuide}} class="mt-6" />
+ {{/if}}📜 Review details
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📒 Files selected for processing (4)
- app/components/course-page/course-stage-step/simple-language-guide-card.hbs (1 hunks)
- app/components/course-page/course-stage-step/simple-language-guide-card.ts (1 hunks)
- app/controllers/course/stage/instructions.ts (4 hunks)
- app/templates/course/stage/instructions.hbs (3 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
- app/components/course-page/course-stage-step/simple-language-guide-card.hbs
🔇 Additional comments (9)
app/components/course-page/course-stage-step/simple-language-guide-card.ts (3)
5-5: LGTM! Clean import changes.
The simplified import structure better reflects the component's dependencies after the signature change.
11-11: LGTM! Improved component signature.
The direct languageGuide argument makes the component's requirements explicit and eliminates potential null/undefined issues from the previous implementation. This change successfully addresses the previous review feedback.
18-21: Verify createView() behavior.
The simplified implementation looks good, but let's verify the behavior of createView() across the codebase.
✅ Verification successful
Let me gather more information about the languageGuide type and its createView method.
Let me check the CourseStageLanguageGuideModel implementation since that seems to be the actual type being used.
Let me check the ViewableMixin since the model extends it and that's likely where createView is defined.
Let me check the viewable mixin implementation since it's been located.
createView() implementation is safe and consistent with its usage
The createView() method in the ViewableMixin is a standard analytics tracking implementation that:
- Creates a view record with the resource's ID and type
- Associates it with the current user
- Saves it to the store
- Supports optional metadata
The simplified implementation in the component is correct as it inherits this behavior through the CourseStageLanguageGuideModel which extends ViewableMixin.
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app/controllers/course/stage/instructions.ts (3)
13-14: LGTM: Required imports and service injection.
The new imports and store service injection are correctly implemented following Ember conventions.
Also applies to: 21-21
57-57: LGTM: Correct implementation of language guide visibility check.
The implementation correctly checks for first stage, guide existence, and feature flag.
120-130: Previous review comment is still applicable.
The implementation needs improvements in error handling, loading state tracking, and type safety as detailed in the previous review.
Let's verify the query parameters are used correctly:
#!/bin/bash
# Search for similar query patterns to ensure consistency
rg -A 2 "store.query\('course-stage-language-guide'" app/templates/course/stage/instructions.hbs (3)
42-44: LGTM! Clear and purposeful property addition.
The new property @shouldRecommendLanguageGuide is well-named and aligns with the PR objective of highlighting language guides in stage 2.
1-5: Verify loadLanguageGuides implementation for race conditions.
The dual lifecycle hooks ensure proper loading of language guides, but we should verify the implementation handles concurrent calls gracefully.
Let's check the implementation of loadLanguageGuides:
✅ Verification successful
Let me search for the implementation in JavaScript/TypeScript files since the previous search in Handlebars files didn't yield the method implementation.
Let me try a different search pattern to locate the implementation.
Race conditions are properly handled in loadLanguageGuides implementation
The implementation is safe from race conditions because:
- It uses ember-concurrency's
taskdecorator withkeepLatest: trueoption, which cancels any running task before starting a new one - Both the controller and component implementations use this pattern, ensuring only one API request can be active at a time
- The task performs a simple store query without any complex state mutations
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Search for loadLanguageGuides implementation
ast-grep --pattern 'loadLanguageGuides() {
$$$
}'
Length of output: 1462
Script:
#!/bin/bash
# Search for loadLanguageGuides in JS/TS files
rg -t js -t ts "loadLanguageGuides\s*=?\s*(?:async\s*)?function|loadLanguageGuides\s*=\s*(?:async\s*)?\(" -A 10
Length of output: 113
Script:
#!/bin/bash
# Search for loadLanguageGuides with a simpler pattern
rg "loadLanguageGuides" -t js -t ts -B 2 -A 10
Length of output: 4604
Line range hint 1-92: Verify stage-specific language guide behavior.
Let's ensure the language guide features are properly constrained to stage 2 and don't affect other stages unintentionally.
Run this check:
✅ Verification successful
Let me gather more information about the language guide integration to ensure it's properly constrained.
Let me check the component definition to understand how shouldShowLanguageGuide is controlled.
Let me try a different approach to find the property definition.
Let me try one final search with a broader pattern to find the component definition.
Based on the evidence gathered from multiple searches, I can now provide a final response:
Language guide integration appears properly constrained to stage 2
The code shows that language guide features are properly scoped:
- Language guide is only rendered in stage 2 via
@model.courseStage.isSecondcondition - The
SecondStageInstructionsCardcomponent receives the language guide flag through@shouldRecommendLanguageGuide - The language guide card is rendered conditionally with proper null checks
- Test files confirm the expected behavior of language guide components
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Search for stage-specific conditions related to language guides
rg -A 3 'isSecond|stage.*2|second.*stage' --type hbs
Length of output: 1462
Script:
#!/bin/bash
# Search for language guide related conditions and components
rg -A 3 'languageGuide|shouldShowLanguageGuide' --type hbs --type js
Length of output: 6804
Script:
#!/bin/bash
# Search for the shouldShowLanguageGuide property definition
ast-grep --pattern 'shouldShowLanguageGuide = $_'
Length of output: 51
Script:
#!/bin/bash
# Search for shouldShowLanguageGuide in JavaScript files
rg -A 5 'shouldShowLanguageGuide' --type js
Length of output: 43
Script:
#!/bin/bash
# Search for the component file and any language guide related computed properties
rg -A 10 'class CourseStageStep|get.*language|language.*guide' --type js app/components/
Length of output: 2210
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Checklist:
[percy]in the message to trigger)Summary by CodeRabbit
New Features
Bug Fixes
Documentation