forked from mirrors/gecko-dev
49 lines
1.6 KiB
JavaScript
49 lines
1.6 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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// Because this function is used from SessionDataHelpers.jsm,
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// this has to be a JSM.
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var EXPORTED_SYMBOLS = ["validateBreakpointLocation"];
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/**
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* Given a breakpoint location object, throws if the breakpoint look invalid
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*/
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function validateBreakpointLocation({ sourceUrl, sourceId, line, column }) {
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if (!sourceUrl && !sourceId) {
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throw new Error(
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`Breakpoints expect to have either a sourceUrl or a sourceId.`
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);
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}
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if (sourceUrl && typeof sourceUrl != "string") {
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throw new Error(
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`Breakpoints expect to have sourceUrl string, got ${typeof sourceUrl} instead.`
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);
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}
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// sourceId may be undefined for some sources keyed by URL
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if (sourceId && typeof sourceId != "string") {
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throw new Error(
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`Breakpoints expect to have sourceId string, got ${typeof sourceId} instead.`
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);
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}
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if (typeof line != "number") {
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throw new Error(
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`Breakpoints expect to have line number, got ${typeof line} instead.`
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);
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}
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if (typeof column != "number") {
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throw new Error(
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`Breakpoints expect to have column number, got ${typeof column} instead.`
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);
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}
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}
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// Allow this JSM to also be loaded as a CommonJS module
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// Because this module is used from the worker thread,
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// and workers can't load JSMs.
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if (typeof module == "object") {
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module.exports.validateBreakpointLocation = validateBreakpointLocation;
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}
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