MICRO-COURSE

How Package Managers & Build Tools Work

How Package Managers & Build Tools Work: 12 short lessons, one for each concept. Dependency resolution, semantic versioning, lockfiles, package registries, transitive dependencies, monorepos and workspaces, bundlers, transpilers, tree shaking, source maps, incremental builds, and build caching.

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01 / WATCH

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02 / UNDERSTAND

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Dependency resolution, semantic versioning, lockfiles, package registries, transitive dependencies, monorepos and workspaces, bundlers, transpilers, tree shaking, source maps, incremental builds, and build caching.

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Concept scope

03 / TRY IT

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Choose one question about How Package Managers & Build Tools Work that you want to answer.
Write down a small example, its inputs or starting point, and the result you expect.
Explain your reasoning and note what you would like reviewed in a live or 1:1 session.

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A short example, reasoning and an open question

Check your understanding

Explain the concept in your own words and identify where it fits in the subject.
Show one small example, the expected result and the reasoning behind it.
Record one limitation or edge case and a question to discuss with a mentor.

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Explore 12 focused topics.

Each topic opens its own micro-course, with its learning guide, recording status and session requests.

12 results1–12

Lesson

Dependency resolution

A short lesson on dependency resolution from the How Package Managers & Build Tools Work micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Semantic versioning

A short lesson on semantic versioning from the How Package Managers & Build Tools Work micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Lockfiles

A short lesson on lockfiles from the How Package Managers & Build Tools Work micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Package registries

A short lesson on package registries from the How Package Managers & Build Tools Work micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Transitive dependencies

A short lesson on transitive dependencies from the How Package Managers & Build Tools Work micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Monorepos and workspaces

A short lesson on monorepos and workspaces from the How Package Managers & Build Tools Work micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Bundlers

A short lesson on bundlers from the How Package Managers & Build Tools Work micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Transpilers

A short lesson on transpilers from the How Package Managers & Build Tools Work micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Tree shaking

A short lesson on tree shaking from the How Package Managers & Build Tools Work micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Source maps

A short lesson on source maps from the How Package Managers & Build Tools Work micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Incremental builds

A short lesson on incremental builds from the How Package Managers & Build Tools Work micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

Lesson

Build caching

A short lesson on build caching from the How Package Managers & Build Tools Work micro course: what it is, where it shows up in real systems, and a practical example you can apply.

Open lesson

How Package Managers & Build Tools Work

Recorded video

Start with the topic guide.

Concept scope

Prepare a focused example

Check your understanding

Need a walkthrough?Stay with this topic.

Request a live session for this topic.

Explore 12 focused topics.

Dependency resolution

Semantic versioning

Lockfiles

Package registries

Transitive dependencies

Monorepos and workspaces

Bundlers

Transpilers

Tree shaking

Source maps

Incremental builds

Build caching

Need a walkthrough?
Stay with this topic.