Add test for rollup#1244

simonbuchan · Aug 19, 2022 · b5ce279 · b5ce279
1 parent 897d0e3
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diff --git a/test/function/samples/module-side-effects/first-resolve-id-wins/_config.js b/test/function/samples/module-side-effects/first-resolve-id-wins/_config.js
@@ -0,0 +1,100 @@
+const assert = require('assert');
+const path = require('path');
+const { getObject } = require('../../../../utils');
+
+const sideEffects = [];
+
+module.exports = {
+	description: 'does not include modules without used exports if moduleSideEffect is false',
+	context: {
+		sideEffects
+	},
+	exports() {
+		assert.deepStrictEqual(sideEffects, [
+			'sideeffects-false-usereffects-false-used-import',
+			'sideeffects-null-usereffects-false-used-import',
+			'sideeffects-true-usereffects-false',
+			'sideeffects-true-usereffects-false-unused-import',
+			'sideeffects-true-usereffects-false-used-import',
+			'sideeffects-false-usereffects-true-used-import',
+			'sideeffects-null-usereffects-true',
+			'sideeffects-null-usereffects-true-unused-import',
+			'sideeffects-null-usereffects-true-used-import',
+			'sideeffects-true-usereffects-true',
+			'sideeffects-true-usereffects-true-unused-import',
+			'sideeffects-true-usereffects-true-used-import'
+		]);
+	},
+	options: {
+		treeshake: {
+			moduleSideEffects(id) {
+				if (id.includes('main')) return true;
+				return JSON.parse(id.split('-')[3]);
+			}
+		},
+		plugins: [
+			{
+				name: 'resolving-plugin',
+				async resolveId(id, importer) {
+					await this.resolve(id, importer, { skipSelf: true });
+					if (!path.isAbsolute(id)) {
+						return { id };
+					}
+				}
+			},
+			{
+				name: 'test-plugin',
+				resolveId(id) {
+					if (!path.isAbsolute(id)) {
+						return {
+							id,
+							external: false,
+							moduleSideEffects: JSON.parse(id.split('-')[1])
+						};
+					}
+				},
+				load(id) {
+					if (!path.isAbsolute(id)) {
+						const sideEffects = JSON.parse(id.split('-')[1]);
+						const userEffects = JSON.parse(id.split('-')[3]);
+						assert.strictEqual(
+							this.getModuleInfo(id).moduleSideEffects,
+							typeof sideEffects === 'boolean' ? sideEffects : userEffects
+						);
+						return `export const value = '${id}'; sideEffects.push(value);`;
+					}
+				},
+				buildEnd() {
+					assert.deepStrictEqual(
+						getObject(
+							[...this.getModuleIds()]
+								.filter(id => !path.isAbsolute(id))
+								.sort()
+								.map(id => [id, this.getModuleInfo(id).moduleSideEffects])
+						),
+						{
+							'sideeffects-false-usereffects-false': false,
+							'sideeffects-false-usereffects-false-unused-import': false,
+							'sideeffects-false-usereffects-false-used-import': false,
+							'sideeffects-false-usereffects-true': false,
+							'sideeffects-false-usereffects-true-unused-import': false,
+							'sideeffects-false-usereffects-true-used-import': false,
+							'sideeffects-null-usereffects-false': false,
+							'sideeffects-null-usereffects-false-unused-import': false,
+							'sideeffects-null-usereffects-false-used-import': false,
+							'sideeffects-null-usereffects-true': true,
+							'sideeffects-null-usereffects-true-unused-import': true,
+							'sideeffects-null-usereffects-true-used-import': true,
+							'sideeffects-true-usereffects-false': true,
+							'sideeffects-true-usereffects-false-unused-import': true,
+							'sideeffects-true-usereffects-false-used-import': true,
+							'sideeffects-true-usereffects-true': true,
+							'sideeffects-true-usereffects-true-unused-import': true,
+							'sideeffects-true-usereffects-true-used-import': true
+						}
+					);
+				}
+			}
+		]
+	}
+};
diff --git a/test/function/samples/module-side-effects/first-resolve-id-wins/main.js b/test/function/samples/module-side-effects/first-resolve-id-wins/main.js
@@ -0,0 +1,25 @@
+import 'sideeffects-false-usereffects-false';
+import { value as unusedValue1 } from 'sideeffects-false-usereffects-false-unused-import';
+import { value as usedValue1 } from 'sideeffects-false-usereffects-false-used-import';
+
+import 'sideeffects-null-usereffects-false';
+import { value as unusedValue2 } from 'sideeffects-null-usereffects-false-unused-import';
+import { value as usedValue2 } from 'sideeffects-null-usereffects-false-used-import';
+
+import 'sideeffects-true-usereffects-false';
+import { value as unusedValue3 } from 'sideeffects-true-usereffects-false-unused-import';
+import { value as usedValue3 } from 'sideeffects-true-usereffects-false-used-import';
+
+import 'sideeffects-false-usereffects-true';
+import { value as unusedValue4 } from 'sideeffects-false-usereffects-true-unused-import';
+import { value as usedValue4 } from 'sideeffects-false-usereffects-true-used-import';
+
+import 'sideeffects-null-usereffects-true';
+import { value as unusedValue5 } from 'sideeffects-null-usereffects-true-unused-import';
+import { value as usedValue5 } from 'sideeffects-null-usereffects-true-used-import';
+
+import 'sideeffects-true-usereffects-true';
+import { value as unusedValue6 } from 'sideeffects-true-usereffects-true-unused-import';
+import { value as usedValue6 } from 'sideeffects-true-usereffects-true-used-import';
+
+export const values = [usedValue1, usedValue2, usedValue3, usedValue4, usedValue5, usedValue6];