51 lines
2.2 KiB
JavaScript
51 lines
2.2 KiB
JavaScript
"use strict";
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//---------------------------------------------------------------------------
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// @syndicate-lang/core, an implementation of Syndicate dataspaces for JS.
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// Copyright (C) 2016-2018 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//---------------------------------------------------------------------------
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if (require('preserves/src/singletonmodule.js')('syndicate-lang.org/syndicate-js',
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require('../package.json').version,
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'assertions.js',
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module)) return;
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var { Record } = require('preserves');
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function Seal(contents) {
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if (!(this instanceof Seal)) return new Seal(contents);
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this.contents = contents;
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}
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Seal.prototype.toJSON = function () {
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// This definition is useless for actual transport, of course, but
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// useful for debugging, inasmuch as it seals off the contents from
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// the view of the JSON renderer, which has trouble with e.g. cyclic
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// data.
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return { '@seal': 0 };
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};
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module.exports.Discard = Record.makeConstructor('discard', []);
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module.exports.Discard._instance = module.exports.Discard();
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module.exports.Capture = Record.makeConstructor('capture', ['specification']);
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module.exports.Observe = Record.makeConstructor('observe', ['specification']);
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module.exports.Inbound = Record.makeConstructor('inbound', ['assertion']);
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module.exports.Outbound = Record.makeConstructor('outbound', ['assertion']);
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module.exports.Instance = Record.makeConstructor('instance', ['uniqueId']);
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module.exports.Seal = Seal;
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