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fix(@angular/cli): correctly redirect nested Angular schematic dependency requests #21081

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merged 1 commit into from
Jun 8, 2021
Merged

fix(@angular/cli): correctly redirect nested Angular schematic dependency requests #21081

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15 changes: 9 additions & 6 deletions packages/angular/cli/models/schematic-engine-host.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -33,15 +33,20 @@ function shouldWrapSchematic(schematicFile: string): boolean {
}
}

const normalizedSchematicFile = schematicFile.replace(/\\/g, '/');
// Never wrap the internal update schematic when executed directly
// It communicates with the update command via `global`
if (/[\/\\]node_modules[\/\\]@angular[\/\\]cli[\/\\]/.test(schematicFile)) {
// But we still want to redirect schematics located in `@angular/cli/node_modules`.
if (
normalizedSchematicFile.includes('node_modules/@angular/cli/') &&
!normalizedSchematicFile.includes('node_modules/@angular/cli/node_modules/')
) {
return false;
}

// Default is only first-party Angular schematic packages
// Angular schematics are safe to use in the wrapped VM context
return /[\/\\]node_modules[\/\\]@(?:angular|schematics|nguniversal)[\/\\]/.test(schematicFile);
return /\/node_modules\/@(?:angular|schematics|nguniversal)\//.test(normalizedSchematicFile);
}

export class SchematicEngineHost extends NodeModulesEngineHost {
Expand Down Expand Up @@ -115,10 +120,8 @@ function wrap(
moduleCache: Map<string, unknown>,
exportName?: string,
): () => unknown {
const { createRequire, createRequireFromPath } = require('module');
// Node.js 10.x does not support `createRequire` so fallback to `createRequireFromPath`
// `createRequireFromPath` is deprecated in 12+ and can be removed once 10.x support is removed
const scopedRequire = createRequire?.(schematicFile) || createRequireFromPath(schematicFile);
const { createRequire } = require('module');
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nit: This can be an import now.

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This module can only be referenced with ECMAScript imports/exports by turning on the 'esModuleInterop' flag and referencing its default export.

const scopedRequire = createRequire(schematicFile);

const customRequire = function (id: string) {
if (legacyModules[id]) {
Expand Down