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feat(build): Added a version stamp in .metadata.json files.

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Also modified StaticReflector to handle multiple versions in a
single .metadata.json file.

Fixes #8974
Closes #8981
This commit is contained in:
Chuck Jazdzewski
2016-06-02 16:40:38 -07:00
parent cf2d3cf920
commit 2d8f776e38
4 changed files with 39 additions and 10 deletions
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10
modules/@angular/compiler-cli/src/static_reflector.ts
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@ -22,6 +22,8 @@ import {
InjectMetadata,
} from "@angular/core";
import {ReflectorReader} from "./core_private";
const SUPPORTED_SCHEMA_VERSION = 1;
/**
* The host of the static resolver is expected to be able to provide module metadata in the form of
@ -379,8 +381,14 @@ export class StaticReflector implements ReflectorReader {
let moduleMetadata = this.metadataCache.get(module);
if (!moduleMetadata) {
moduleMetadata = this.host.getMetadataFor(module);
if (Array.isArray(moduleMetadata)) {
moduleMetadata = (<Array<any>>moduleMetadata).find(element => element.version === SUPPORTED_SCHEMA_VERSION) || moduleMetadata[0];
}
if (!moduleMetadata) {
moduleMetadata = {__symbolic: "module", module: module, metadata: {}};
moduleMetadata = {__symbolic: "module", version: SUPPORTED_SCHEMA_VERSION, module: module, metadata: {}};
}
if (moduleMetadata['version'] != SUPPORTED_SCHEMA_VERSION) {
throw new Error(`Metadata version mismatch for module ${module}, found version ${moduleMetadata['version']}, expected ${SUPPORTED_SCHEMA_VERSION}`);
}
this.metadataCache.set(module, moduleMetadata);
}