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metamask-extension/development
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Erik Marks 6915dd1a57
Fix development build scripts (#14594) 
#14583 broke the development build scripts (e.g. `yarn start`) by adding a positional argument to a package script (`build:dev`) that is used and passed positional arguments in the build script itself. This PR removes the positional argument from the `build:dev` script and `yarn start` now works again. In addition, the `--apply-lavamoat` flag is properly forwarded to child processes, which was not the case in the original implementation.

To test, `yarn start` should work and LavaMoat should _not_ be applied, in distinction to `yarn build:dev dev --apply-lavamoat=true`. Whether LavaMoat is applied can be determined by checking whether `Object.isFrozen(Object.prototype)` is `true` (with LavaMoat) or `false` (without LavaMoat).
2022-05-02 15:35:52 -07:00
..
build Fix development build scripts (#14594) 2022-05-02 15:35:52 -07:00
highlights Add JSDoc ESLint rules (#12112) 2022-01-07 12:27:33 -03:30
lib Derive version suffix from build type and version (#13895) 2022-03-10 12:31:50 -03:30
states Support for GridPlus Lattice1 hardware wallet (#12053) 2021-11-08 11:18:41 -03:30
announcer.js Migrate version from _base manifest to package.json (#11029) 2021-05-10 14:16:03 -07:00
chromereload.js Build - refactor background process to use html (#10769) 2021-03-31 11:12:28 +08:00
create-static-server.js @metamask/eslint config@5.0.0 (#10358) 2021-02-04 10:15:23 -08:00
empty.js Build - refactor background process to use html (#10769) 2021-03-31 11:12:28 +08:00
generate-lavamoat-policies.sh Run main, flask and beta in sequence in generate-lavamoat-policies.sh (#14470) 2022-04-19 11:13:47 -02:30
generate-migration.sh Fixing migration script generation paths (#10664) 2021-03-17 12:21:46 +08:00
gource-viz.sh dev - move gource instructions from docs to development script 2019-09-10 22:05:16 +08:00
jest.config.js Update Jest coverage reporters (#12845) 2021-12-01 15:16:34 -03:30
metamaskbot-build-announce.js Update metamaskbot-build-announce.js (#14320) 2022-03-31 16:11:59 -10:00
missing-locale-strings.js @metamask/eslint config@5.0.0 (#10358) 2021-02-04 10:15:23 -08:00
mock-3box.js @metamask/eslint config@5.0.0 (#10358) 2021-02-04 10:15:23 -08:00
mock-segment.js Remove unused SEGMENT_LEGACY_WRITE_KEY (#12429) 2021-10-22 10:34:37 -02:30
README.md Docs - segment metrics (#14435) 2022-04-19 16:15:41 +01:00
run-ganache.sh Adding support for EIP-1559 in E2E tests (#13282) 2022-01-19 04:38:41 +05:30
sentry-publish.js Automate the Flask release process (#13898) 2022-03-15 08:54:37 -02:30
sentry-upload-artifacts.sh Automate the Flask release process (#13898) 2022-03-15 08:54:37 -02:30
shellcheck.sh Add lint:shellcheck:package (#7568) 2019-12-11 15:52:08 -05:00
show-deps-install-scripts.js @metamask/eslint config@5.0.0 (#10358) 2021-02-04 10:15:23 -08:00
source-map-explorer.sh Excluding sourcemaps comment in production builds (#10695) 2021-03-22 19:41:23 -07:00
sourcemap-validator.js Using a normal bundle instead of a factored bundle for phishing-detect (build sys) (#11972) 2021-08-30 17:58:50 -10:00
static-server.js @metamask/eslint config@5.0.0 (#10358) 2021-02-04 10:15:23 -08:00
stream-flat-map.js Build - refactor for bundle factoring and swappable runtime (#11080) 2021-07-15 10:59:34 -07:00
verify-locale-strings.js Fix manifest i18n substitutions for Beta and Flask (#12717) 2021-11-16 08:43:21 -08:00

README.md

Development

Several files which are needed for developing on MetaMask.

Usually each file or directory contains information about its scope / usage.

Segment

Debugging with the Mock Segment API

To start the Mock Segment API:

  • Add/replace the SEGMENT_HOST and SEGMENT_WRITE_KEY variables in .metamaskrc 
    SEGMENT_HOST='http://localhost:9090'
SEGMENT_WRITE_KEY='FAKE'
  • Build the project to the ./dist/ folder with yarn dist
  • Run the Mock Segment API from the command line 
    node development/mock-segment.js

Events triggered whilst using the extension will be logged to the console of the Mock Segment API.

More information on the API and its usage can be found here.

Debugging in Segment

To debug in a production Segment environment:

  • Create a free account on Segment
  • Create a New Workspace
  • Add a Source (Node.js)
  • Copy the Write Key from the API Keys section under Settings
  • Add/replace the SEGMENT_HOST and SEGMENT_WRITE_KEY variables in .metamaskrc 
    SEGMENT_HOST='https://api.segment.io'
SEGMENT_WRITE_KEY='COPIED_WRITE_KEY'
  • Build the project to the ./dist/ folder with yarn dist

Events triggered whilst using the extension will be displayed in Segment's Debugger.

Debugging Segment requests in MetaMask

To opt in to MetaMetrics;

  • Unlock the extension
  • Open the Account menu
  • Click the Settings menu item
  • Click the Security & Privacy menu item
  • Toggle the Participate in MetaMetrics menu option to the ON position

You can inspect the requests in the Network tab of your browser's Developer Tools (background.html) by filtering for POST requests to /v1/batch. The full url will be http://localhost:9090/v1/batch or https://api.segment.io/v1/batch respectively.