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#1030@major: Adds logic for catching both synchronous and asynchronou…
…s errors in scripts, event listeners and timers. Adds a new package called "@happy-dom/uncaught-exception-observer". Adds a new virtual console that by default will output all log entries to a virtual console printer instead of using the global NodeJS console.
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4 changes: 2 additions & 2 deletions
4
...om/src/console/IVirtualConsoleLogEntry.ts → .../console/types/IVirtualConsoleLogEntry.ts
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58
packages/happy-dom/src/console/types/IVirtualConsolePrinter.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| import IVirtualConsoleLogEntry from './IVirtualConsoleLogEntry.js'; | ||
| import VirtualConsoleLogLevelEnum from '../enums/VirtualConsoleLogLevelEnum.js'; | ||
| import Event from '../../event/Event.js'; | ||
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| /** | ||
| * Virtual console printer. | ||
| */ | ||
| export default interface IVirtualConsolePrinter { | ||
| /** | ||
| * Writes to the output. | ||
| * | ||
| * @param logEntry Log entry. | ||
| */ | ||
| print(logEntry: IVirtualConsoleLogEntry): void; | ||
|
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| /** | ||
| * Clears the output. | ||
| */ | ||
| clear(): void; | ||
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| /** | ||
| * Adds an event listener. | ||
| * | ||
| * @param eventType Event type ("print" or "clear"). | ||
| * @param listener Listener. | ||
| */ | ||
| addEventListener(eventType: 'print' | 'clear', listener: (event: Event) => void): void; | ||
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| /** | ||
| * Removes an event listener. | ||
| * | ||
| * @param eventType Event type ("print" or "clear"). | ||
| * @param listener Listener. | ||
| */ | ||
| removeEventListener(eventType: 'print' | 'clear', listener: (event: Event) => void): void; | ||
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| /** | ||
| * Dispatches an event. | ||
| * | ||
| * @param event Event. | ||
| */ | ||
| dispatchEvent(event: Event): void; | ||
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| /** | ||
| * Reads the buffer. | ||
| * | ||
| * @returns Console log entries. | ||
| */ | ||
| read(): IVirtualConsoleLogEntry[]; | ||
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| /** | ||
| * Returns the buffer as a string. | ||
| * | ||
| * @param [logLevel] Log level. | ||
| * @returns Buffer as a string of concatenated log entries. | ||
| */ | ||
| readAsString(logLevel: VirtualConsoleLogLevelEnum): string; | ||
| } |
100 changes: 100 additions & 0 deletions
100
packages/happy-dom/src/console/utilities/VirtualConsoleLogEntryStringifier.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| import IVirtualConsoleLogEntry from '../types/IVirtualConsoleLogEntry.js'; | ||
| import VirtualConsoleLogTypeEnum from '../enums/VirtualConsoleLogTypeEnum.js'; | ||
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| /** | ||
| * Virtual console utility. | ||
| */ | ||
| export default class VirtualConsoleLogEntryStringifier { | ||
| /** | ||
| * Stringifies a log entry. | ||
| * | ||
| * @param logEntry Log entry. | ||
| * @returns Stringified message. | ||
| */ | ||
| public static toString(logEntry: IVirtualConsoleLogEntry): string { | ||
| if (this.isLogEntryCollapsed(logEntry)) { | ||
| return ''; | ||
| } | ||
|
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| const tabbing = this.getLogEntryGroupTabbing(logEntry); | ||
| let output = tabbing; | ||
| for (const part of logEntry.message) { | ||
| output += output !== '' && output !== tabbing ? ' ' : ''; | ||
| if ( | ||
| typeof part === 'object' && | ||
| (part === null || part.constructor.name === 'Object' || Array.isArray(part)) | ||
| ) { | ||
| try { | ||
| output += JSON.stringify(part); | ||
| } catch (error) { | ||
| output += new Error('Failed to JSON stringify object in log entry.').stack.replace( | ||
| /\n at/gm, | ||
| '\n ' + tabbing + 'at' | ||
| ); | ||
| } | ||
| } else if (typeof part === 'object' && part['message'] && part['stack']) { | ||
| output += part['stack'].replace(/\n at/gm, '\n ' + tabbing + 'at'); | ||
| } else { | ||
| output += this.getLogEntryIcon(logEntry) + String(part); | ||
| } | ||
| } | ||
| return output + '\n'; | ||
| } | ||
|
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| /** | ||
| * Gets the log entry icon. | ||
| * | ||
| * @param logEntry Log entry. | ||
| * @returns Icon. | ||
| */ | ||
| private static getLogEntryIcon(logEntry: IVirtualConsoleLogEntry): string { | ||
| switch (logEntry.type) { | ||
| case VirtualConsoleLogTypeEnum.group: | ||
| return '▼ '; | ||
| case VirtualConsoleLogTypeEnum.groupCollapsed: | ||
| return '▶ '; | ||
| } | ||
| return ''; | ||
| } | ||
|
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| /** | ||
| * Gets the log entry group tabbing. | ||
| * | ||
| * @param logEntry Log entry. | ||
| * @returns Tabbing. | ||
| */ | ||
| private static getLogEntryGroupTabbing(logEntry: IVirtualConsoleLogEntry): string { | ||
| let tabs = ''; | ||
| let group = | ||
| logEntry.type === VirtualConsoleLogTypeEnum.group || | ||
| logEntry.type === VirtualConsoleLogTypeEnum.groupCollapsed | ||
| ? logEntry.group?.parent | ||
| : logEntry.group; | ||
| while (group) { | ||
| tabs += ' '; | ||
| group = group.parent; | ||
| } | ||
| return tabs; | ||
| } | ||
|
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| /** | ||
| * Checks if the log entry content is collapsed. | ||
| * | ||
| * @param logEntry Log entry. | ||
| * @returns True if collapsed. | ||
| */ | ||
| private static isLogEntryCollapsed(logEntry: IVirtualConsoleLogEntry): boolean { | ||
| let group = | ||
| logEntry.type === VirtualConsoleLogTypeEnum.group || | ||
| logEntry.type === VirtualConsoleLogTypeEnum.groupCollapsed | ||
| ? logEntry.group?.parent | ||
| : logEntry.group; | ||
| while (group) { | ||
| if (group.collapsed) { | ||
| return true; | ||
| } | ||
| group = group.parent; | ||
| } | ||
| return false; | ||
| } | ||
| } |
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