vuejs/apollo

Warning messages using parcel bundler

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#497 opened on Jan 30, 2019

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help wanted

Description

This is an output of parcel bundler when running the embedded web server ("parcel ./entrypoint/index.html"). I think this warnings are related to this project and not from parcel itself, but let me know if I'm wrong...

⚠️  Could not load source file "../src/index.ts" in source map of "../node_modules/apollo-client/index.js".
⚠️  Could not load source file "../src/index.ts" in source map of "../node_modules/apollo-link/lib/index.js".
⚠️  Could not load source file "../src/index.ts" in source map of "../node_modules/apollo-cache-inmemory/lib/index.js".
⚠️  Could not load source file "../src/index.ts" in source map of "../node_modules/apollo-link-http/lib/index.js".
⚠️  Could not load source file "../src/index.ts" in source map of "../node_modules/apollo-link-error/lib/index.js".
⚠️  Could not load source file "../src/index.ts" in source map of "../node_modules/apollo-client/index.js".
⚠️  Could not load source file "../src/index.ts" in source map of "../node_modules/apollo-cache-inmemory/lib/index.js".
⚠️  Could not load source file "../src/index.ts" in source map of "../node_modules/apollo-link/lib/index.js".
⚠️  Could not load source file "../src/index.ts" in source map of "../node_modules/apollo-link-http/lib/index.js".
⚠️  Could not load source file "../src/index.ts" in source map of "../node_modules/apollo-link-error/lib/index.js".
⚠️  Could not load source file "../src/ApolloClient.ts" in source map of "../node_modules/apollo-client/ApolloClient.js".
⚠️  Could not load source file "../../src/errors/ApolloError.ts" in source map of "../node_modules/apollo-client/errors/ApolloError.js".
⚠️  Could not load existing sourcemap of "../node_modules/iview/dist/iview.js".
⚠️  Could not load source file "../src/link.ts" in source map of "../node_modules/apollo-link/lib/link.js".
⚠️  Could not load source file "../src/linkUtils.ts" in source map of "../node_modules/apollo-link/lib/linkUtils.js".
⚠️  Could not load source file "../../src/core/networkStatus.ts" in source map of "../node_modules/apollo-client/core/networkStatus.js".
⚠️  Could not load source file "../../src/core/ObservableQuery.ts" in source map of "../node_modules/apollo-client/core/ObservableQuery.js".
⚠️  Could not load source file "../src/inMemoryCache.ts" in source map of "../node_modules/apollo-cache-inmemory/lib/inMemoryCache.js".
⚠️  Could not load source file "../src/readFromStore.ts" in source map of "../node_modules/apollo-cache-inmemory/lib/readFromStore.js".
⚠️  Could not load source file "../src/writeToStore.ts" in source map of "../node_modules/apollo-cache-inmemory/lib/writeToStore.js".
⚠️  Could not load source file "../src/httpLink.ts" in source map of "../node_modules/apollo-link-http/lib/httpLink.js".
⚠️  Could not load source file "../src/fragmentMatcher.ts" in source map of "../node_modules/apollo-cache-inmemory/lib/fragmentMatcher.js".
⚠️  Could not load source file "../src/objectCache.ts" in source map of "../node_modules/apollo-cache-inmemory/lib/objectCache.js".
⚠️  Could not load source file "../src/index.ts" in source map of "../node_modules/zen-observable-ts/lib/index.js".
⚠️  Could not load existing sourcemap of "../node_modules/iview/dist/iview.js".
⚠️  Could not load source file "../../src/core/types.ts" in source map of "../node_modules/apollo-client/core/types.js".
⚠️  Could not load source file "../../src/util/Observable.ts" in source map of "../node_modules/apollo-client/util/Observable.js".
⚠️  Could not load source file "../src/depTrackingCache.ts" in source map of "../node_modules/apollo-cache-inmemory/lib/depTrackingCache.js".
⚠️  Could not load source file "../src/cacheKeys.ts" in source map of "../node_modules/apollo-cache-inmemory/lib/cacheKeys.js".
⚠️  Could not load source file "../src/index.ts" in source map of "../node_modules/apollo-link-http-common/lib/index.js".
⚠️  Could not load source file "../src/zenObservable.ts" in source map of "../node_modules/zen-observable-ts/lib/zenObservable.js".
⚠️  Could not load source file "../../src/core/QueryManager.ts" in source map of "../node_modules/apollo-client/core/QueryManager.js".
⚠️  Could not load source file "../src/fixPolyfills.ts" in source map of "../node_modules/apollo-cache-inmemory/lib/fixPolyfills.js".
⚠️  Could not load source file "../../src/data/store.ts" in source map of "../node_modules/apollo-client/data/store.js".
⚠️  Could not load source file "../../src/data/queries.ts" in source map of "../node_modules/apollo-client/data/queries.js".
⚠️  Could not load source file "../../src/scheduler/scheduler.ts" in source map of "../node_modules/apollo-client/scheduler/scheduler.js".
⚠️  Could not load source file "../../src/data/mutations.ts" in source map of "../node_modules/apollo-client/data/mutations.js".
⚠️  Could not load source file "../src/index.ts" in source map of "../node_modules/apollo-link-dedup/lib/index.js".
⚠️  Could not load source file "../src/dedupLink.ts" in source map of "../node_modules/apollo-link-dedup/lib/dedupLink.js".

Contributor guide

Tech stack
javascripttypescriptvue
Domain
build systemdeveloper experience
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
parcel bundlersource maps
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40
Research direction
The issue reports warnings from Parcel about missing source files in source maps of Apollo packages. To address this, investigate the Parcel configuration and how source maps are generated for the project's dependencies. Check if the warnings are harmless or indicate a real issue. Possible solutions include updating Parcel configuration to ignore these warnings or ensuring that Apollo's source maps are correctly referenced. Look at the project's package.json and Parcel setup for clues.