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grawlix: API

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Function: grawlix

grawlix(str[, options])

Replaces all obscenities in the given string with grawlixes.

var grawlix = require('grawlix');
var censored = grawlix(str); // uses default options
// or
var censored = grawlix(str, {
  style: 'ascii',
  randomize: true,
  filters: [],
  allowed: [],
  plugins: [],
  styles: []
});

str

Type: String

The content string to process. Required.

options

Type: Object

Optional. An object that may have any of the following properties:

  • style: {String|Object} Required. The style of grawlix to use when replacing obscenities. Defaults to 'ascii'. To see the list of available default styles, see README#Grawlix Styles. To see all available style options -- including how to create new styles -- see the full Styles documentation.
  • randomize: {Boolean} Defines whether or not grawlixes should be built via random selection or taken directly from a map of fixed replacements (if supported by the style.) Defaults to true. Ignored when using a single-character style.
  • filters: {Array} An optional array of filter objects. For a full description of how to use this property, see the Filters documentation.
  • allowed: {Array} An optional array of strings, representing a whitelist of words that shouldn't be replaced.
  • plugins: {Array} An optional array of grawlix plugins to include. See the Plugins documentation for more details.
  • styles: {Array} An optional array of grawlix style objects, used to add or configure styles aside from the main one specified by the style option. See the full Styles documentation for more information on style objects.

Returns

A String with all obscenities replaced by grawlixes.

grawlix.isObscene(str[, filters, allowed])

Returns whether or not the given string contains known obscenities.

var isTextObscene = grawlix.isObscene(text); // uses default options
// or
var isTextObscene = grawlix.isObscene(text, filters); // with array of filter 
                                                      // objects
// or
var isTextObscene = grawlix.isObscene(text, filters, allowed); // with array of 
                                                               // filter options 
                                                               // and whitelist
// or
var isTextObscene = grawlix.isObscene(text, null, allowed); // with just the 
                                                            // whitelist

str

Type: String

The content string to check. Required.

filters

Type: Array
Default: []

Optional. An array of filter objects. Identical to the filters option described above.

allowed

Type: Array
Default: []

Optional. An array of strings, representing a whitelist of words that shouldn't be replaced. Identical to the allowed option described above.

Returns

Boolean -- true if obscenity is found, false otherwise.

grawlix.getDefaults()

Returns the current default options.

var defaultOptions = grawlix.getDefaults();

Returns

Object which represents the current default options.

grawlix.setDefaults(options)

Sets the default options.

grawlix.setDefaults({
  style: 'ascii',
  randomize: true,
  filters: [],
  allowed: []
});

options

Type: Object

The default options to set. See (grawlix#Options)[#options] above.

grawlix.hasPlugin(plugin)

Returns whether or not the given plugin has been added to the default options.

// find by name
var isInstalled = grawlix.hasPlugin('my-plugin-module');
// find by direct reference
var plugin = require('my-plugin-module');
var isInstalled = grawlix.hasPlugin(plugin);

plugin

Type: String, GrawlixPlugin, or Function

Name of plugin, GrawlixPlugin object, or plugin factory function.

Returns

Boolean -- true if plugin found, false otherwise.

grawlix.loadPlugin(plugin[, pluginOptions])

Adds the given plugin to the default options.

// you can just provide the module name, like so...
grawlix.loadPlugin('plugin-module-name');
grawlix.loadPlugin('plugin-module-name', {
  // plugin-specific config options can go here
});
// or you can load and provide the plugin yourself
var plugin = require('plugin-module-name');
grawlix.loadPlugin(plugin);
grawlix.loadPlugin(plugin, {
  // plugin options
});

For convenience, this method can also be chained. Like so:

grawlix.loadPlugin('plugin-module-1')
       .loadPlugin('plugin-module-2')
       .loadPlugin('plugin-module-3');

plugin

Type: String, GrawlixPlugin, or Function

The plugin to add to the default options. Required.

pluginOptions

Type: Object
Default: {}

Optional. A map of config options specifically for this plugin. See the plugin's own documentation to see what options are available (if any.)

Returns

The main grawlix function, so as to enable chaining.

grawlix.Style

See Enumeration: grawlix.Style.

grawlix.GrawlixPlugin

See Class: grawlix.GrawlixPlugin.

grawlix.FilterTemplate

See Enumeration: grawlix.FilterTemplate.

grawlix.error

To help in debugging issues related to the package, grawlix throws three custom Error subclasses that include extra information about the exception. These subclasses are exported under the grawlix.error namespace for identification purposes (i.e. via instanceof.)

grawlix.error.GrawlixFilterError

Custom Error subclass, thrown when an error occurs while loading a filter object. See Class: grawlix.error.GrawlixFilterError for details.

grawlix.error.GrawlixPluginError

Custom Error subclass, thrown when an error occurs while loading a plugin. See Class: grawlix.error.GrawlixPluginError for details.

grawlix.error.GrawlixStyleError

Custom Error subclass, thrown when an error occurs while loading a style object. See Class: grawlix.error.GrawlixStyleError for details.

Last updated April 18, 2017.