fix #1006 (#1007)

Author: sandy081

src/package.ts

@@ -193,6 +193,7 @@ export interface VSIX {
 	extensionPack: string;
 	extensionKind: string;
 	localizedLanguages: string;
+	enabledApiProposals: string;
 	preRelease: boolean;
 	sponsorLink: string;
 	pricing: string;
@@ -541,6 +542,7 @@ export class ManifestProcessor extends BaseProcessor {
 						.map(loc => loc.localizedLanguageName ?? loc.languageName ?? loc.languageId)
 						.join(',')
 					: '',
+			enabledApiProposals: manifest.enabledApiProposals ? manifest.enabledApiProposals.join(',') : '',
 			preRelease: !!this.options.preRelease,
 			sponsorLink: manifest.sponsor?.url || '',
 		};
@@ -1461,6 +1463,7 @@ export async function toVsixManifest(vsix: VSIX): Promise<string> {
 				<Property Id="Microsoft.VisualStudio.Code.ExtensionPack" Value="${escape(vsix.extensionPack)}" />
 				<Property Id="Microsoft.VisualStudio.Code.ExtensionKind" Value="${escape(vsix.extensionKind)}" />
 				<Property Id="Microsoft.VisualStudio.Code.LocalizedLanguages" Value="${escape(vsix.localizedLanguages)}" />
+				<Property Id="Microsoft.VisualStudio.Code.EnabledApiProposals" Value="${escape(vsix.enabledApiProposals)}" />
 				${vsix.preRelease ? `<Property Id="Microsoft.VisualStudio.Code.PreRelease" Value="${escape(vsix.preRelease)}" />` : ''}
 				${vsix.sponsorLink
 			? `<Property Id="Microsoft.VisualStudio.Code.SponsorLink" Value="${escape(vsix.sponsorLink)}" />`

src/test/package.test.ts

@@ -1912,6 +1912,32 @@ describe('toVsixManifest', () => {
 		const xmlManifest = await parseXmlManifest(raw);
 		assertProperty(xmlManifest, 'Microsoft.VisualStudio.Services.Content.Pricing', 'Trial');
 	});
+
+	it('should expose enabledApiProposals as properties', () => {
+		const manifest = {
+			name: 'test',
+			publisher: 'mocha',
+			version: '0.0.1',
+			engines: Object.create(null),
+			enabledApiProposals: [
+				'foo',
+				'bar@2'
+			],
+		};
+
+		return _toVsixManifest(manifest, [])
+			.then(parseXmlManifest)
+			.then(result => {
+				const properties = result.PackageManifest.Metadata[0].Properties[0].Property;
+				const enabledApiProposalsProp = properties.filter(p => p.$.Id === 'Microsoft.VisualStudio.Code.EnabledApiProposals');
+				assert.strictEqual(enabledApiProposalsProp.length, 1);
+
+				const enabledApiProposals = enabledApiProposalsProp[0].$.Value.split(',');
+				assert.strictEqual(enabledApiProposals.length, 2);
+				assert.strictEqual(enabledApiProposals[0], 'foo');
+				assert.strictEqual(enabledApiProposals[1], 'bar@2');
+			});
+	});
 });
 
 describe('qna', () => {