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    consolemock
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    1.1.0 • Public • Published

    consolemock

    A tool for testing console logs

    Installation

    with yarn

    yarn add --dev consolemock
    

    or with npm

    npm install --save-dev consolemock
    

    API

    import makeConsoleMock from 'consolemock';
     
    console = makeConsoleMock();
    console.log('a message');
    console.group('a group');
    console.info('maybe an object?', { a: 'str', b: false, c: [1, 2, 3], d: { a: 'b' } });
    console.warn('something useful');
    console.error('something unexpected');
    console.group('%c a nested group with styling', 'color: #1da1f2; font-weight: bold;');
    console.log('%c a nested log with styling', 'color: #D63230;');
    console.groupEnd();
    console.log('almost done');
    console.groupEnd();
    console.info('%c fin', 'font-weight: bold;');
    console.debug('some debug statement');

    console.history();

    [
      { LOG: ['a message'] },
      { GROUP: ['a group'] },
      { _INFO: ['maybe an object?', { a: 'str', b: false, c: [1, 2, 3], d: { a: 'b' } }] },
      { _WARN: ['something useful'] },
      { _ERROR: ['something unexpected'] },
      { _GROUP: ['%c a nested group with styling', 'color: #1da1f2; font-weight: bold;'] },
      { __LOG: ['%c a nested log with styling', 'color: #D63230;'] },
      { _LOG: ['almost done'] },
      { INFO: ['%c fin', 'font-weight: bold;'] },
      { DEBUG: ['some debug statement'] }
    ]

    console.printHistory();

    "LOG a message
    GROUP a group
      INFO maybe an object?, {a: 'str', b: false, c: [1, 2, 3], d: {a: 'b'}}
      WARN something useful
      ERROR something unexpected
      GROUP %c a nested group with styling, color: #1da1f2; font-weight: bold;
        LOG %c a nested log with styling, color: #D63230;
      LOG almost done
    INFO %c fin, font-weight: bold;
    DEBUG some debug statement"
    

    console.clearHistory()

    console.log('hello');
    console.log('world');
     
    console.clearHistory();
     
    console.log('apple');
     
    console.history() // returns [{ LOG: ['apple'] }]

    console.print(message, [message1, ..., messageN])

    Logs messages to the console when debugging. Provide makeConsoleMock with the native console object when creating the mock:

    import makeConsoleMock from 'consolemock';
     
    console = makeConsoleMock(console);

    Uses

    ⚡ Use consolemock With Snapshot Testing

    The output of printHistory works great with Jest's snapshot testing. Create the mock console, log a few messages, then save the output of printHistory as a snapshot.

    Install

    npm i consolemock

    DownloadsWeekly Downloads

    296

    Version

    1.1.0

    License

    MIT

    Unpacked Size

    21.4 kB

    Total Files

    17

    Last publish

    Collaborators

    • ttmarek