|
| 1 | +--- |
| 2 | +id: ConsoleLogger |
| 3 | +title: ConsoleLogger |
| 4 | +--- |
| 5 | + |
| 6 | +# Class: ConsoleLogger |
| 7 | + |
| 8 | +Defined in: [packages/typescript/ai/src/logger/console-logger.ts:25](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/logger/console-logger.ts#L25) |
| 9 | + |
| 10 | +Pluggable logger interface consumed by every `@tanstack/ai` activity when `debug` is enabled. Supply a custom implementation via `debug: { logger }` on `chat()`, `summarize()`, `generateImage()`, etc. The four methods correspond to log levels: use `debug` for chunk-level diagnostic output, `info`/`warn` for notable events, `error` for caught exceptions. |
| 11 | + |
| 12 | +## Implements |
| 13 | + |
| 14 | +- [`Logger`](../interfaces/Logger.md) |
| 15 | + |
| 16 | +## Constructors |
| 17 | + |
| 18 | +### Constructor |
| 19 | + |
| 20 | +```ts |
| 21 | +new ConsoleLogger(): ConsoleLogger; |
| 22 | +``` |
| 23 | + |
| 24 | +#### Returns |
| 25 | + |
| 26 | +`ConsoleLogger` |
| 27 | + |
| 28 | +## Methods |
| 29 | + |
| 30 | +### debug() |
| 31 | + |
| 32 | +```ts |
| 33 | +debug(message, meta?): void; |
| 34 | +``` |
| 35 | +
|
| 36 | +Defined in: [packages/typescript/ai/src/logger/console-logger.ts:27](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/logger/console-logger.ts#L27) |
| 37 | +
|
| 38 | +Log a debug-level message; forwards to `console.debug`. |
| 39 | +
|
| 40 | +#### Parameters |
| 41 | +
|
| 42 | +##### message |
| 43 | +
|
| 44 | +`string` |
| 45 | +
|
| 46 | +##### meta? |
| 47 | +
|
| 48 | +`Record`\<`string`, `unknown`\> |
| 49 | +
|
| 50 | +#### Returns |
| 51 | +
|
| 52 | +`void` |
| 53 | +
|
| 54 | +#### Implementation of |
| 55 | +
|
| 56 | +[`Logger`](../interfaces/Logger.md).[`debug`](../interfaces/Logger.md#debug) |
| 57 | +
|
| 58 | +*** |
| 59 | +
|
| 60 | +### error() |
| 61 | +
|
| 62 | +```ts |
| 63 | +error(message, meta?): void; |
| 64 | +``` |
| 65 | +
|
| 66 | +Defined in: [packages/typescript/ai/src/logger/console-logger.ts:45](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/logger/console-logger.ts#L45) |
| 67 | +
|
| 68 | +Log an error-level message; forwards to `console.error`. |
| 69 | +
|
| 70 | +#### Parameters |
| 71 | +
|
| 72 | +##### message |
| 73 | +
|
| 74 | +`string` |
| 75 | +
|
| 76 | +##### meta? |
| 77 | +
|
| 78 | +`Record`\<`string`, `unknown`\> |
| 79 | +
|
| 80 | +#### Returns |
| 81 | +
|
| 82 | +`void` |
| 83 | +
|
| 84 | +#### Implementation of |
| 85 | +
|
| 86 | +[`Logger`](../interfaces/Logger.md).[`error`](../interfaces/Logger.md#error) |
| 87 | +
|
| 88 | +*** |
| 89 | +
|
| 90 | +### info() |
| 91 | +
|
| 92 | +```ts |
| 93 | +info(message, meta?): void; |
| 94 | +``` |
| 95 | +
|
| 96 | +Defined in: [packages/typescript/ai/src/logger/console-logger.ts:33](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/logger/console-logger.ts#L33) |
| 97 | +
|
| 98 | +Log an info-level message; forwards to `console.info`. |
| 99 | +
|
| 100 | +#### Parameters |
| 101 | +
|
| 102 | +##### message |
| 103 | +
|
| 104 | +`string` |
| 105 | +
|
| 106 | +##### meta? |
| 107 | +
|
| 108 | +`Record`\<`string`, `unknown`\> |
| 109 | +
|
| 110 | +#### Returns |
| 111 | +
|
| 112 | +`void` |
| 113 | +
|
| 114 | +#### Implementation of |
| 115 | +
|
| 116 | +[`Logger`](../interfaces/Logger.md).[`info`](../interfaces/Logger.md#info) |
| 117 | +
|
| 118 | +*** |
| 119 | +
|
| 120 | +### warn() |
| 121 | +
|
| 122 | +```ts |
| 123 | +warn(message, meta?): void; |
| 124 | +``` |
| 125 | +
|
| 126 | +Defined in: [packages/typescript/ai/src/logger/console-logger.ts:39](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/logger/console-logger.ts#L39) |
| 127 | +
|
| 128 | +Log a warning-level message; forwards to `console.warn`. |
| 129 | +
|
| 130 | +#### Parameters |
| 131 | +
|
| 132 | +##### message |
| 133 | +
|
| 134 | +`string` |
| 135 | +
|
| 136 | +##### meta? |
| 137 | +
|
| 138 | +`Record`\<`string`, `unknown`\> |
| 139 | +
|
| 140 | +#### Returns |
| 141 | +
|
| 142 | +`void` |
| 143 | +
|
| 144 | +#### Implementation of |
| 145 | +
|
| 146 | +[`Logger`](../interfaces/Logger.md).[`warn`](../interfaces/Logger.md#warn) |
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