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fix(@schematics/angular): move and update existing src/browserslist #14241

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Merged
merged 1 commit into from
Apr 23, 2019
Merged

fix(@schematics/angular): move and update existing src/browserslist #14241

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11 changes: 9 additions & 2 deletions packages/schematics/angular/migrations/update-8/differential-loading.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -97,11 +97,18 @@ function updateBrowserlist(): Rule {
continue;
}

const browserslistPath = join(normalize(project.root), '/browserslist');
const browserslistPath = join(normalize(project.root), 'browserslist');
if (typeof project.sourceRoot === 'string') {
const srcBrowsersList = join(normalize(project.sourceRoot), 'browserslist');
if (tree.exists(srcBrowsersList)) {
tree.rename(srcBrowsersList, browserslistPath);
}
}

const source = tree.read(browserslistPath);
if (!source) {
tree.create(browserslistPath, browserslistContent);
} else {
} else if (!source.toString().toLowerCase().includes('chrome 41')) {
const recorder = tree.beginUpdate(browserslistPath);
recorder.insertRight(source.length, '\nChrome 41 # Googlebot');
tree.commitUpdate(recorder);
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10 changes: 10 additions & 0 deletions packages/schematics/angular/migrations/update-8/differential-loading_spec.ts
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Expand Up @@ -74,5 +74,15 @@ describe('Migration to version 8', () => {
expect(tree2.readContent('/browserslist'))
.toContain('Googlebot support');
});

it('should move browserslist file if it exists in the sourceRoot', () => {
tree.create('/src/browserslist', 'last 2 Chrome versions');
tree.delete('/browserslist');
const tree2 = schematicRunner.runSchematic('migration-07', {}, tree.branch());
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I am confused why these all say migration-07

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It's the migration name. For example for Angular CLI version 8, we have multiple migrations.

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https://github.com/alan-agius4/angular-cli/blob/42cfb32469dc51e651e6e07763878bf935a92cf3/packages/schematics/angular/migrations/migration-collection.json#L33-L41

expect(tree2.exists('/browserslist')).toBe(true);
const content = tree2.readContent('/browserslist');
expect(content).toContain('Chrome 41');
expect(content).toContain('last 2 Chrome versions');
});
});
});