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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+module.metadata = {
+ "stability": "unstable"
+};
+
+const { isValidURI, isLocalURL, URL } = require('../url');
+const { contract } = require('../util/contract');
+const { isString, isNil, instanceOf, isJSONable } = require('../lang/type');
+const { validateOptions,
+ string, array, object, either, required } = require('../deprecated/api-utils');
+
+const isValidScriptFile = (value) =>
+ (isString(value) || instanceOf(value, URL)) && isLocalURL(value);
+
+// map of property validations
+const valid = {
+ contentURL: {
+ is: either(string, object),
+ ok: url => isNil(url) || isLocalURL(url) || isValidURI(url),
+ msg: 'The `contentURL` option must be a valid URL.'
+ },
+ contentScriptFile: {
+ is: either(string, object, array),
+ ok: value => isNil(value) || [].concat(value).every(isValidScriptFile),
+ msg: 'The `contentScriptFile` option must be a local URL or an array of URLs.'
+ },
+ contentScript: {
+ is: either(string, array),
+ ok: value => isNil(value) || [].concat(value).every(isString),
+ msg: 'The `contentScript` option must be a string or an array of strings.'
+ },
+ contentScriptWhen: {
+ is: required(string),
+ map: value => value || 'end',
+ ok: value => ~['start', 'ready', 'end'].indexOf(value),
+ msg: 'The `contentScriptWhen` option must be either "start", "ready" or "end".'
+ },
+ contentScriptOptions: {
+ ok: value => isNil(value) || isJSONable(value),
+ msg: 'The contentScriptOptions should be a jsonable value.'
+ }
+};
+exports.validationAttributes = valid;
+
+/**
+ * Shortcut function to validate property with validation.
+ * @param {Object|Number|String} suspect
+ * value to validate
+ * @param {Object} validation
+ * validation rule passed to `api-utils`
+ */
+function validate(suspect, validation) {
+ return validateOptions(
+ { $: suspect },
+ { $: validation }
+ ).$;
+}
+
+function Allow(script) {
+ return {
+ get script() {
+ return script;
+ },
+ set script(value) {
+ script = !!value;
+ }
+ };
+}
+
+exports.contract = contract(valid);