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ocat
Inspect an object various ways in order to easily generate test cases.
Last updated a year ago by thlorenz .
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ocat

Inspect an object various ways in order to easily generate test cases.

assets/demo.gif

Installation

npm install ocat

API

ocat.inspect

Inspects object and returns result.

Parameters

  • obj Object to inspect
  • opts Object options (same as @see ocat.log)

ocat.bag

Inspects object and adds results to a bag. This entire bag is logged at process.on('exit').

Parameters

  • obj Object to inspect
  • opts Object options (same as @see ocat.log)

ocat.file

Same as @see ocat.log, but writes to ocat.tmpFile * at /tmp/ocat.txt on Unixes and who knows on Windows (os.tmpdir()/ocat.txt).

This is useful if you want to read isolated ocat output into your editor without other output, i.e. by your test runner.

Vim Example:

:r !OCAT_COLOR=0 OCAT_DEPTH=0 OCAT_RM=1 node % 2>&1 > /dev/null && cat /tmp/ocat.txt

will read the ocat printed output right into your editor. You should probably bind that to a shortcut. ;)

Tail Example:

In another terminal pane do:

tail -f /tmp/ocat.txt

to see logged objects every time you run your tests/code.

Parameters

  • obj Object to inspect
  • opts Object options (same as @see ocat.log) with color: false

ocat.log

Inspects object and logs it to stderr immediately.

The given opts override all other options for each supplied property, which are derived as follows:

  1. ocat.opts, the default opts: prefix: '', suffix: '', indent: '', color: true, depth: 1, commaFirst: true
  2. OCAT_COLOR and OCAT_COMMAFIRST to override the related defaults, i.e. OCAT_COLOR=0 node my.js includes no colors
  3. opts passed to ocat.create for that ocat instance only
  4. opts passed to ocat.log and ocat.bag

Parameters

  • obj Object object to inspect
  • opts Object options inherit from opts passed to create and then ocat.opts.
    • opts.prefix String? the prefix to insert before the logged object
    • opts.suffix String? the suffix to insert after the logged object
    • opts.indent String? the indentation to apply to each line
    • opts.color Boolean? if true logging in colors
    • opts.depth Number? depth to which the object is inspected
    • opts.commaFirst Boolean? if true commaFirst style is used when logging without color** (default: true)

ocat.applyRes5Opts

Applies preconfigured opts with prefix + indentation and depth that work well in lots of scenarios.

Example

const ocat = require('ocat').applyRes5Opts()

Returns Object ocat

ocat.opts

Start out as default options @see ocat.log. Allow overriding ocat options for all instances.

ocat.resetOpts

Resets ocat.opts to default opts.

ocat.create

Creates an ocat instance with the supplied options.

Parameters

  • opts Object options (same as @see ocat.log)

Returns Object ocat instance

ocat.tmpFile

The file into which ocat.file writes. Set it to any other path you like to use instead.

ocat.rm

Removes the ocat.tmpFile If the an env var OCAT_RM=1 is present, the file is removed on startup.

License

MIT

Current Tags

  • 0.3.0                                ...           latest (a year ago)

4 Versions

  • 0.3.0                                ...           a year ago
  • 0.2.1                                ...           3 years ago
  • 0.2.0                                ...           3 years ago
  • 0.1.0                                ...           6 years ago
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