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implement MockLoggerService.ts testing utility

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Hazelnoot 2025-09-30 21:51:25 -04:00
parent 5a28c4e110
commit c45d6ea452
2 changed files with 87 additions and 3 deletions
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16
packages/backend/src/logger.ts
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@ -23,13 +23,16 @@ export type DataElement = DataObject | Error | string | null;
// https://stackoverflow.com/questions/61148466/typescript-type-that-matches-any-object-but-not-arrays
export type DataObject = Record<string, unknown> | (object & { length?: never; });
export type Console = Pick<typeof global.console, 'error' | 'warn' | 'info' | 'log' | 'debug'>;
export const nativeConsole: Console = global.console;
const levelFuncs = {
error: 'error',
warning: 'warn',
success: 'info',
info: 'log',
debug: 'debug',
} as const satisfies Record<Level, keyof typeof console>;
} as const satisfies Record<Level, keyof Console>;
// eslint-disable-next-line import/no-default-export
export default class Logger {
@ -37,12 +40,19 @@ export default class Logger {
private parentLogger: Logger | null = null;
public readonly verbose: boolean;
constructor(context: string, color?: KEYWORD, verbose?: boolean) {
/**
* Where to send the actual log strings.
* Defaults to the native global.console instance.
*/
private readonly console: Console;
constructor(context: string, color?: KEYWORD, verbose?: boolean, console?: Console) {
this.context = {
name: context,
color: color,
};
this.verbose = verbose ?? envOption.verbose;
this.console = console ?? nativeConsole;
}
@bindThis
@ -94,7 +104,7 @@ export default class Logger {
} else if (data != null) {
args.push(data);
}
console[levelFuncs[level]](...args);
this.console[levelFuncs[level]](...args);
}
@bindThis