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Update: include rule id in error logs (fixes eslint#15037)
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AriPerkkio committed Sep 8, 2021
1 parent 83cc8a6 commit 0ab68b4
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Showing 3 changed files with 22 additions and 5 deletions.
8 changes: 7 additions & 1 deletion lib/linter/linter.js
Expand Up @@ -942,7 +942,8 @@ function runRules(sourceCode, configuredRules, ruleMapper, parserOptions, parser
selector,
timing.enabled
? timing.time(ruleId, ruleListeners[selector])
: ruleListeners[selector]
: ruleListeners[selector],
ruleId
);
});
});
Expand Down Expand Up @@ -1203,6 +1204,11 @@ class Linter {
debug("Parser Options:", parserOptions);
debug("Parser Path:", parserName);
debug("Settings:", settings);

if (err.ruleId) {
err.message += `\nRule: "${err.ruleId}"`;
}

throw err;
}

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15 changes: 13 additions & 2 deletions lib/linter/safe-emitter.js
Expand Up @@ -31,18 +31,29 @@
*/
module.exports = () => {
const listeners = Object.create(null);
const listenersToRuleId = Object.create(null);

return Object.freeze({
on(eventName, listener) {
on(eventName, listener, ruleId) {
if (eventName in listeners) {
listeners[eventName].push(listener);
} else {
listeners[eventName] = [listener];
}
listenersToRuleId[listener] = ruleId;
},
emit(eventName, ...args) {
if (eventName in listeners) {
listeners[eventName].forEach(listener => listener(...args));
listeners[eventName].forEach(listener => {
try {
listener(...args);
} catch (e) {
const ruleId = listenersToRuleId[listener];

e.ruleId = ruleId;
throw e;
}
});
}
},
eventNames() {
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4 changes: 2 additions & 2 deletions tests/lib/linter/linter.js
Expand Up @@ -87,7 +87,7 @@ describe("Linter", () => {

assert.throws(() => {
linter.verify(code, config, filename);
}, `Intentional error.\nOccurred while linting ${filename}:1`);
}, `Intentional error.\nOccurred while linting ${filename}:1\nRule: "checker"`);
});

it("does not call rule listeners with a `this` value", () => {
Expand Down Expand Up @@ -5193,7 +5193,7 @@ var a = "test2";

assert.throws(() => {
linter.verify("0", { rules: { "test-rule": "error" } });
}, /Fixable rules should export a `meta\.fixable` property.\nOccurred while linting <input>:1$/u);
}, /Fixable rules should export a `meta\.fixable` property.\nOccurred while linting <input>:1\nRule: "test-rule"$/u);
});

it("should not throw an error if fix is passed and there is no metadata", () => {
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