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Add-on SDK in Firefox

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Status

Add-on SDK in Firefox
Stage Draft
Status In progress
Release target Firefox 15
Health OK
Status note `

Team

Product manager `
Directly Responsible Individual Dietrich Ayala (:dietrich)
Lead engineer Irakli Gozalishvili (:gozala)
Security lead `
Privacy lead `
Localization lead `
Accessibility lead `
QA lead `
UX lead `
Product marketing lead `
Operations lead `
Additional members `

Open issues/risks

Open issues:

  • Need to ensure Jetpack tests are run per-checkin by default on all branches (where it makes sense)

Stage 1: Definition

1. Feature overview

Ship the Add-on SDK runtime and libraries inside Firefox.

Prior work, notes:

2. Users & use cases

  • Reduced add-on size. Currently add-ons created with the SDK are 200k at a minimum. This reduces download time and installation time of add-ons, streamlining the process.
  • Develop core features using the SDK. Firefox core developers can use the SDK libraries to build features.
  • Easier to convert add-ons into Firefox features, so prototyping features should be easier.
  • Repacking might be simpler, or not required at all
  • Scratchpad could be used as an offline version of the Add-on Builder.
  • Old school add-ons can more easily leverage features from the add-on sdk, which should help them port older add-ons.

3. Dependencies

  • Packageless Jetpack proposal may be a dependency (view)

4. Requirements

  • Add-on SDK loader and API libraries are shipped inside Firefox, removing the necessity of packaging them inside each add-on.
  • SDK development continues on Github.
  • SDK continues to be developed and reviewed by the SDK team.

Non-goals

  • Allow runtime resolution of modules.
  • Allow sharing of modules across add-ons.
  • Allow interdependency at the add-on level.

Stage 2: Design

5. Functional specification

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6. User experience design

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Stage 3: Planning

7. Implementation plan

Meta-bug: bug 731779

  • Set up Git->HG syncing infrastructure (Non-blocking: If not ready by landing time, can do weekly drops.)
  • Work with browser/toolkit module owners to determine code location in each component.
  • Land CommonJS loader in Firefox (In toolkit, have Mossop to review.)
  • Jetpack housecleaning required before landing
    • Misc cleanup (removing window-utils, etc.)
    • Packagelessness
    • Separate core APIs into Browser and Toolkit sets
  • Land core APIs in Firefox

Each of these Loader usage scenarios should be supported and documented with code samples:

  • Inclusion into XUL window scope
  • Inclusion into non-window scopes (JS XPCOM, JS Modules)
  • Support shared & private instances

8. Reviews

Security review

The Add-on SDK has gone through multiple security reviews. Should schedule another one to review how/where the code lives and is initiated/loaded inside Firefox.

Privacy review

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Localization review

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Accessibility

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Quality Assurance review

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Operations review

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Stage 4: Development

9. Implementation

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Stage 5: Release

10. Landing criteria

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Feature details

Priority Unprioritized
Rank 999
Theme / Goal `
Roadmap `
Secondary roadmap `
Feature list `
Project `
Engineering team `

Team status notes

  status notes
Products ` `
Engineering ` `
Security sec-review-needed dveditz assigned
Privacy ` `
Localization ` `
Accessibility ` `
Quality assurance ` `
User experience ` `
Product marketing ` `
Operations ` `