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pause.js
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62 lines (53 loc) · 1.69 KB
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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/>. */
// @flow
import type { Why } from "debugger-html";
// Map protocol pause "why" reason to a valid L10N key
// These are the known unhandled reasons:
// "breakpointConditionThrown", "clientEvaluated"
// "interrupted", "attached"
const reasons = {
debuggerStatement: "whyPaused.debuggerStatement",
breakpoint: "whyPaused.breakpoint",
exception: "whyPaused.exception",
resumeLimit: "whyPaused.resumeLimit",
pauseOnDOMEvents: "whyPaused.pauseOnDOMEvents",
breakpointConditionThrown: "whyPaused.breakpointConditionThrown",
// V8
DOM: "whyPaused.breakpoint",
EventListener: "whyPaused.pauseOnDOMEvents",
XHR: "whyPaused.xhr",
promiseRejection: "whyPaused.promiseRejection",
assert: "whyPaused.assert",
debugCommand: "whyPaused.debugCommand",
other: "whyPaused.other"
};
export function getPauseReason(why?: Why): string | null {
if (!why) {
return null;
}
const reasonType = why.type;
if (!reasons[reasonType]) {
console.log("Please file an issue: reasonType=", reasonType);
}
return reasons[reasonType];
}
export function isException(why: Why) {
return why && why.type && why.type === "exception";
}
export function isInterrupted(why: Why) {
return why && why.type && why.type === "interrupted";
}
export function inDebuggerEval(why: ?Why) {
if (
why &&
why.type === "exception" &&
why.exception &&
why.exception.preview &&
why.exception.preview.fileName
) {
return why.exception.preview.fileName === "debugger eval code";
}
return false;
}