Merge pull request #32000 from vrana/master

Add trusted-types

types/trusted-types/index.d.ts

@@ -0,0 +1,42 @@
+// Type definitions for trusted-types 1.0
+// Project: https://github.com/WICG/trusted-types
+// Definitions by: Jakub Vrana <https://github.com/vrana>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare class TrustedHTML {
+	private readonly _TrustedHTMLBrand: true; // To prevent structural typing.
+}
+
+declare class TrustedScript {
+	private readonly _TrustedScriptBrand: true; // To prevent structural typing.
+}
+
+declare class TrustedScriptURL {
+	private readonly _TrustedScriptURLBrand: true; // To prevent structural typing.
+}
+
+declare class TrustedURL {
+	private readonly _TrustedURLBrand: true; // To prevent structural typing.
+}
+
+declare class TrustedTypePolicy {
+	createHTML(s: string): TrustedHTML;
+	createScript(s: string): TrustedScript;
+	createScriptURL(s: string): TrustedScriptURL;
+	createURL(s: string): TrustedURL;
+}
+
+interface TrustedTypeInnerPolicy {
+	createHTML(s: string): string;
+	createScript(s: string): string;
+	createScriptURL(s: string): string;
+	createURL(s: string): string;
+}
+
+declare class TrustedTypePolicyFactory {
+	createPolicy(name: string, policy: TrustedTypeInnerPolicy, expose?: boolean): TrustedTypePolicy;
+	getExposedPolicy(name: string): TrustedTypePolicy;
+	getPolicyNames(): string[];
+}
+
+declare const TrustedTypes: TrustedTypePolicyFactory;

types/trusted-types/trusted-types-tests.ts

@@ -0,0 +1,17 @@
+const policy = {
+	createHTML: (s: string) => s,
+	createScript: (s: string) => s,
+	createScriptURL: (s: string) => s,
+	createURL: (s: string) => s,
+};
+
+TrustedTypes.getPolicyNames();
+TrustedTypes.createPolicy('default', policy, true);
+TrustedTypes.getExposedPolicy('default');
+
+const trustedTypes = TrustedTypes.createPolicy('test', policy);
+
+trustedTypes.createHTML('') instanceof TrustedHTML;
+trustedTypes.createScript('') instanceof TrustedScript;
+trustedTypes.createScriptURL('') instanceof TrustedScriptURL;
+trustedTypes.createURL('') instanceof TrustedURL;

types/trusted-types/tsconfig.json

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+{
+	"compilerOptions": {
+		"module": "commonjs",
+		"lib": [
+			"es6"
+		],
+		"noImplicitAny": true,
+		"noImplicitThis": true,
+		"strictFunctionTypes": true,
+		"strictNullChecks": true,
+		"baseUrl": "../",
+		"typeRoots": [
+			"../"
+		],
+		"types": [],
+		"noEmit": true,
+		"forceConsistentCasingInFileNames": true
+	},
+	"files": [
+		"index.d.ts",
+		"trusted-types-tests.ts"
+	]
+}

types/trusted-types/tslint.json

@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }