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JoostK 45c6360e5a feat(ivy): emit module scope metadata using pure function call (#29598) 
Prior to this change, all module metadata would be included in the
`defineNgModule` call that is set as the `ngModuleDef` field of module
types. Part of the metadata is scope information like declarations,
imports and exports that is used for computing the transitive module
scope in JIT environments, preventing those references from being
tree-shaken for production builds.

This change moves the metadata for scope computations to a pure function
call that patches the scope references onto the module type. Because the
function is marked pure, it may be tree-shaken out during production builds
such that references to declarations and exports are dropped, which in turn
allows for tree-shaken any declaration that is not otherwise referenced.

Fixes #28077, FW-1035

PR Close #29598
 		2019-04-02 16:03:54 -07:00
..
src feat(ivy): emit module scope metadata using pure function call (#29598) 2019-04-02 16:03:54 -07:00
test feat(ivy): emit module scope metadata using pure function call (#29598) 2019-04-02 16:03:54 -07:00
BUILD.bazel feat(ivy): performance trace mechanism for ngtsc (#29380) 2019-04-01 15:13:55 -07:00
README.md refactor(ivy): move ngcc into a higher level folder (#29092) 2019-03-20 14:45:54 -04:00
index.ts feat(compiler-cli): ngcc - make logging more configurable (#29591) 2019-04-01 11:53:28 -07:00
main-ngcc.ts feat(compiler-cli): ngcc - make logging more configurable (#29591) 2019-04-01 11:53:28 -07:00

README.md

Angular Compatibility Compiler (ngcc)

This compiler will convert node_modules compiled with ngc, into node_modules which appear to have been compiled with ngtsc.

This conversion will allow such "legacy" packages to be used by the Ivy rendering engine.

Building

The project is built using Bazel:

yarn bazel build //packages/compiler-cli/ngcc

Unit Testing

The unit tests are built and run using Bazel:

yarn bazel test //packages/compiler-cli/ngcc/test

Integration Testing

There are tests that check the behavior of the overall executable:

yarn bazel test //packages/compiler-cli/ngcc/test:integration