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Code Issues Packages 1 Wiki Activity

fix(std/log): print "{msg}" when log an empty line (#6381)

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Water Zheng 2020-06-30 17:29:26 +08:00 • committed by GitHub
parent 971dfcf9bb
commit 6844c3ac0e
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2 changed files with 18 additions and 1 deletions
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2
std/log/handlers.ts
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@ -41,7 +41,7 @@ export class BaseHandler {
const value = logRecord[p1 as keyof LogRecord];
// do not interpolate missing values
if (!value) {
if (value == null) {
return match;
}

17
std/log/handlers_test.ts
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@ -94,6 +94,23 @@ Deno.test("testFormatterAsString", function (): void {
assertEquals(handler.messages, ["test DEBUG Hello, world!"]);
});
Deno.test("testFormatterWithEmptyMsg", function () {
const handler = new TestHandler("DEBUG", {
formatter: "test {levelName} {msg}",
});
handler.handle(
new LogRecord({
msg: "",
args: [],
level: LogLevels.DEBUG,
loggerName: "default",
})
);
assertEquals(handler.messages, ["test DEBUG "]);
});
Deno.test("testFormatterAsFunction", function (): void {
const handler = new TestHandler("DEBUG", {
formatter: (logRecord): string =>