Working with JavaScript & Type Declarations

55 lessons in TypeScript

• Module Augmentation BasicsFlashcard
• Misplaced @ts-ignore DirectiveCode Quiz
• JSDoc @typedef Property SyntaxCode Quiz
• Module Augmentation BasicsSlides / Video
• Type-Checking JS with allowJs and checkJsSlides / Video
• Generating Declaration Files AutomaticallySlides / Video
• Writing Declaration Files for Untyped LibrariesSlides / Video
• Installing @types from DefinitelyTypedSlides / Video
• Ambient Modules and Global DeclarationsSlides / Video
• The declare Keyword for Ambient DeclarationsSlides / Video
• What Declaration Files AreSlides / Video
• esModuleInterop for JS InteropSlides / Video
• typeRoots and types ConfigurationSlides / Video
• TypeScript Check Comments ExplainedSlides / Video
• Gradual Migration to TypeScriptSlides / Video
• JSDoc Type Annotations in JavaScriptSlides / Video
• @ts-check and @ts-nocheckQuiz
• Purpose of Declaration FilesQuiz
• Installing @types PackagesQuiz
• Gradual JS to TS MigrationQuiz
• declare namespace UsageQuiz
• @param and @type PrecisionQuiz
• Ambient Variable and Function DeclarationsQuiz
• JSDoc Type AnnotationsQuiz
• Automatic Type AcquisitionQuiz
• @ts-ignore vs @ts-expect-errorQuiz
• Typing the global ObjectQuiz
• Declaring Untyped ModulesQuiz
• The declare KeywordQuiz
• Overloaded Signatures in .d.tsCode Quiz
• JSDoc @param and @returnsCode Quiz
• UMD Global Declaration SyntaxCode Quiz
• Implicit any from JS ImportCode Quiz
• JSDoc @type AnnotationCode Quiz
• Triple-Slash Reference SyntaxCode Quiz
• declare namespace MembersCode Quiz
• Ambient const enumCode Quiz
• Ambient Class ShapeCode Quiz
• Installing @types PackagesCode Quiz
• Ambient Variable with declareCode Quiz
• Ambient Function SignatureCode Quiz
• Value Inside a .d.ts FileCode Quiz
• Installing @types PackagesFlashcard
• Triple-Slash DirectivesFlashcard
• The declare KeywordFlashcard
• Structure of an @types PackageFlashcard
• Wildcard Module DeclarationsFlashcard
• JSDoc for Typing JavaScriptFlashcard
• @ts-ignore vs @ts-expect-errorFlashcard
• Ambient Global VariablesFlashcard
• Gradual JS to TS MigrationFlashcard
• Handling Implicit anyFlashcard
• Ambient FunctionsFlashcard
• @ts-check and @ts-nocheckFlashcard
• Global Augmentation with declare globalFlashcard