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fix(@angular-devkit/build-angular): dedupe modules #18009

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merged 2 commits into from Jun 29, 2020
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fix(@angular-devkit/build-angular): dedupe modules #18009

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96f72a8
fix(@angular-devkit/build-angular): don't dedupe modules without a na…
alan-agius4 Jun 24, 2020
b50326e
fix(@angular-devkit/build-angular): don't dedupe linked modules
alan-agius4 Jun 25, 2020
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17 changes: 15 additions & 2 deletions ...ngular_devkit/build_angular/src/angular-cli-files/plugins/dedupe-module-resolve-plugin.ts
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Expand Up @@ -14,11 +14,13 @@ interface NormalModuleFactoryRequest {
relativePath: string;
path: string;
descriptionFileData: {
name: string;
version: string;
name?: string;
version?: string;
};
descriptionFileRoot: string;
descriptionFilePath: string;
directory?: boolean;
file?: boolean;
}

export interface DedupeModuleResolvePluginOptions {
Expand All @@ -45,6 +47,17 @@ export class DedupeModuleResolvePlugin {
return;
}

// When either of these properties is undefined. It typically means it's a link.
// In which case we shouldn't try to dedupe it.
if (request.file === undefined || request.directory === undefined) {
return;
}

// Empty name or versions are no valid primary entrypoints of a library
if (!request.descriptionFileData.name || !request.descriptionFileData.version) {
return;
}

const moduleId = request.descriptionFileData.name + '@' + request.descriptionFileData.version;
const prevResolvedModule = this.modules.get(moduleId);

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