commonform-regexp-annotator
v2.0.0
Published
create Common Form annotators from lists of regular expressions
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commonform-regexp-annotator
The module exports a single function that takes an array of RegExp
and a function for generating annotations and returns an annotator
function to apply to Common Forms.
Include capture groups and flags in your RegExp
as needed to match
and generate annotation messages.
var expressions = [
new RegExp('\\b(apple(s?))\\b', 'gi'),
/\b(thereof)\b/
]
The annotation function receives the form in which a RegExp
was
found, its path within the overall form, the RegExp
that matches,
and the match data from RegeExp.prototype.exec
. It must return a
[Common Form Annotations][annotation]
[annotation]: https://npmjs.com/packages/commonform-annotation)
function message (form, path, expression, match) {
var word = match[1]
return {
message: (
match[1].indexOf('apple') > -1
? ('"' + word + '" is fruity')
: ('"' + word + '" is archaic')
),
path: path,
source: 'example-annotator',
url: null
}
}
var reAnnotator = require('commonform-regexp-annotator')
var annotator = reAnnotator(expressions, message)
The library does the job of finding matches and calculating paths.
var assert = require('assert')
assert.deepStrictEqual(
annotator({
content: ['Drop them apples and the apple stem thereof!']
}),
[
{
message: '"apples" is fruity',
path: ['content', 0],
source: 'example-annotator',
url: null
},
{
message: '"apple" is fruity',
path: ['content', 0],
source: 'example-annotator',
url: null
},
{
message: '"thereof" is archaic',
path: ['content', 0],
source: 'example-annotator',
url: null
}
]
)