5 lines
6.1 KiB
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5 lines
6.1 KiB
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{
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"id": "guide/migration-update-module-and-target-compiler-options",
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"title": "Update module and target compiler options migration",
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"contents": "\n\n\n<div class=\"github-links\">\n <a href=\"https://github.com/angular/angular/edit/master/aio/content/guide/migration-update-module-and-target-compiler-options.md?message=docs%3A%20describe%20your%20change...\" aria-label=\"Suggest Edits\" title=\"Suggest Edits\"><i class=\"material-icons\" aria-hidden=\"true\" role=\"img\">mode_edit</i></a>\n</div>\n\n\n<div class=\"content\">\n <h1 id=\"update-module-and-target-compiler-options-migration\">Update <code>module</code> and <code>target</code> compiler options migration<a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"guide/migration-update-module-and-target-compiler-options#update-module-and-target-compiler-options-migration\"><i class=\"material-icons\">link</i></a></h1>\n<h2 id=\"what-does-this-migration-do\">What does this migration do?<a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"guide/migration-update-module-and-target-compiler-options#what-does-this-migration-do\"><i class=\"material-icons\">link</i></a></h2>\n<p>This migration adjusts the <a href=\"https://www.typescriptlang.org/v2/en/tsconfig#target\"><code>target</code></a> and <a href=\"https://www.typescriptlang.org/v2/en/tsconfig#module\"><code>module</code></a> settings within the <a href=\"guide/typescript-configuration\">TypeScript configuration files</a> for the workspace.\nThe changes to each option vary based on the builder or command that uses the TypeScript configuration file.\nUnless otherwise noted, changes are only made if the existing value was not changed since the project was created.\nThis process helps ensure that intentional changes to the options are kept in place.</p>\n<table>\n<thead>\n<tr>\n<th>TypeScript Configuration File(s)</th>\n<th>Changed Property</th>\n<th>Existing Value</th>\n<th>New Value</th>\n<th></th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td><code><workspace base>/tsconfig.json</code></td>\n<td><code>\"module\"</code></td>\n<td><code>\"esnext\"</code></td>\n<td><code>\"es2020\"</code></td>\n<td></td>\n</tr>\n<tr>\n<td>Used in <code><a href=\"api/animations/browser\" class=\"code-anchor\">browser</a></code> builder options (<code>ng build</code> for applications)</td>\n<td><code>\"module\"</code></td>\n<td><code>\"esnext\"</code></td>\n<td><code>\"es2020\"</code></td>\n<td></td>\n</tr>\n<tr>\n<td>Used in <code>ng-packgr</code> builder options (<code>ng build</code> for libraries)</td>\n<td><code>\"module\"</code></td>\n<td><code>\"esnext\"</code></td>\n<td><code>\"es2020\"</code></td>\n<td></td>\n</tr>\n<tr>\n<td>Used in <code>karma</code> builder options (<code>ng test</code> for applications)</td>\n<td><code>\"module\"</code></td>\n<td><code>\"esnext\"</code></td>\n<td><code>\"es2020\"</code></td>\n<td></td>\n</tr>\n<tr>\n<td>Used in <code>server</code> builder options (universal)</td>\n<td><code>\"module\"</code></td>\n<td><code>\"commonjs\"</code></td>\n<td><em>removed</em></td>\n<td></td>\n</tr>\n<tr>\n<td>Used in <code>server</code> builder options (universal)</td>\n<td><code>\"target\"</code></td>\n<td><em>any</em></td>\n<td><code>\"es2016\"</code></td>\n<td></td>\n</tr>\n<tr>\n<td>Used in <code>protractor</code> builder options (<code>ng e2e</code> for applications)</td>\n<td><code>\"target\"</code></td>\n<td><code>\"es5\"</code></td>\n<td><code>\"es2018\"</code></td>\n<td></td>\n</tr>\n</tbody>\n</table>\n<h2 id=\"why-is-this-migration-necessary\">Why is this migration necessary?<a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"guide/migration-update-module-and-target-compiler-options#why-is-this-migration-necessary\"><i class=\"material-icons\">link</i></a></h2>\n<p>This migration provides improvements to the long-term supportability of projects by updating the projects to use recommended best practice compilation options.</p>\n<p>For the functionality that executes on Node.js, such as Universal and Protractor, the new settings provide performance and troubleshooting benefits as well.\nThe minimum Node.js version for the Angular CLI (v10.13)
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}
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