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41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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module.metadata = {
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"stability": "experimental"
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};
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const { get, format } = require("../console/traceback");
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const { get: getPref } = require("../preferences/service");
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const PREFERENCE = "devtools.errorconsole.deprecation_warnings";
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function deprecateUsage(msg) {
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// Print caller stacktrace in order to help figuring out which code
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// does use deprecated thing
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let stack = get().slice(2);
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if (getPref(PREFERENCE))
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console.error("DEPRECATED: " + msg + "\n" + format(stack));
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}
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exports.deprecateUsage = deprecateUsage;
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function deprecateFunction(fun, msg) {
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return function deprecated() {
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deprecateUsage(msg);
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return fun.apply(this, arguments);
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};
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}
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exports.deprecateFunction = deprecateFunction;
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function deprecateEvent(fun, msg, evtTypes) {
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return function deprecateEvent(evtType) {
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if (evtTypes.indexOf(evtType) >= 0)
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deprecateUsage(msg);
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return fun.apply(this, arguments);
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};
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}
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exports.deprecateEvent = deprecateEvent;
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