summaryrefslogtreecommitdiff
path: root/app/assets/javascripts/lib/utils/text_utility.js
blob: d38f59b58611d95d308a4b9e2c7055fb4d4ce747 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
import _ from 'underscore';

/**
 * Adds a , to a string composed by numbers, at every 3 chars.
 *
 * 2333 -> 2,333
 * 232324 -> 232,324
 *
 * @param {String} text
 * @returns {String}
 */
export const addDelimiter = text =>
  text ? text.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',') : text;

/**
 * Returns '99+' for numbers bigger than 99.
 *
 * @param {Number} count
 * @return {Number|String}
 */
export const highCountTrim = count => (count > 99 ? '99+' : count);

/**
 * Converts first char to uppercase and replaces undercores with spaces
 * @param {String} string
 * @requires {String}
 */
export const humanize = string =>
  string.charAt(0).toUpperCase() + string.replace(/_/g, ' ').slice(1);

/**
 * Adds an 's' to the end of the string when count is bigger than 0
 * @param {String} str
 * @param {Number} count
 * @returns {String}
 */
export const pluralize = (str, count) => str + (count > 1 || count === 0 ? 's' : '');

/**
 * Replaces underscores with dashes
 * @param {*} str
 * @returns {String}
 */
export const dasherize = str => str.replace(/[_\s]+/g, '-');

/**
 * Replaces whitespaces with hyphens, convert to lower case and remove non-allowed special characters
 * @param {String} str
 * @returns {String}
 */
export const slugify = str => {
  const slug = str
    .trim()
    .toLowerCase()
    .replace(/[^a-zA-Z0-9_.-]+/g, '-');

  return slug === '-' ? '' : slug;
};

/**
 * Replaces whitespaces with underscore and converts to lower case
 * @param {String} str
 * @returns {String}
 */
export const slugifyWithUnderscore = str => str.toLowerCase().replace(/\s+/g, '_');

/**
 * Truncates given text
 *
 * @param {String} string
 * @param {Number} maxLength
 * @returns {String}
 */
export const truncate = (string, maxLength) => `${string.substr(0, maxLength - 3)}...`;

/**
 * Truncate SHA to 8 characters
 *
 * @param {String} sha
 * @returns {String}
 */
export const truncateSha = sha => sha.substr(0, 8);

const ELLIPSIS_CHAR = '…';
export const truncatePathMiddleToLength = (text, maxWidth) => {
  let returnText = text;
  let ellipsisCount = 0;

  while (returnText.length >= maxWidth) {
    const textSplit = returnText.split('/').filter(s => s !== ELLIPSIS_CHAR);
    const middleIndex = Math.floor(textSplit.length / 2);

    returnText = textSplit
      .slice(0, middleIndex)
      .concat(
        new Array(ellipsisCount + 1).fill().map(() => ELLIPSIS_CHAR),
        textSplit.slice(middleIndex + 1),
      )
      .join('/');

    ellipsisCount += 1;
  }

  return returnText;
};

/**
 * Capitalizes first character
 *
 * @param {String} text
 * @return {String}
 */
export function capitalizeFirstCharacter(text) {
  return `${text[0].toUpperCase()}${text.slice(1)}`;
}

/**
 * Returns the first character capitalized
 *
 * If falsey, returns empty string.
 *
 * @param {String} text
 * @return {String}
 */
export function getFirstCharacterCapitalized(text) {
  return text ? text.charAt(0).toUpperCase() : '';
}

/**
 * Replaces all html tags from a string with the given replacement.
 *
 * @param {String} string
 * @param {*} replace
 * @returns {String}
 */
export const stripHtml = (string, replace = '') => {
  if (!string) return string;

  return string.replace(/<[^>]*>/g, replace);
};

/**
 * Converts snake_case string to camelCase
 *
 * @param {*} string
 */
export const convertToCamelCase = string => string.replace(/(_\w)/g, s => s[1].toUpperCase());

/**
 * Converts a sentence to lower case from the second word onwards
 * e.g. Hello World => Hello world
 *
 * @param {*} string
 */
export const convertToSentenceCase = string => {
  const splitWord = string.split(' ').map((word, index) => (index > 0 ? word.toLowerCase() : word));

  return splitWord.join(' ');
};

/**
 * Splits camelCase or PascalCase words
 * e.g. HelloWorld => Hello World
 *
 * @param {*} string
 */
export const splitCamelCase = string =>
  string
    .replace(/([A-Z]+)([A-Z][a-z])/g, ' $1 $2')
    .replace(/([a-z\d])([A-Z])/g, '$1 $2')
    .trim();

/**
 * Intelligently truncates an item's namespace by doing two things:
 * 1. Only include group names in path by removing the item name
 * 2. Only include the first and last group names in the path
 *    when the namespace includes more than 2 groups
 *
 * @param {String} string A string namespace,
 *      i.e. "My Group / My Subgroup / My Project"
 */
export const truncateNamespace = (string = '') => {
  if (_.isNull(string) || !_.isString(string)) {
    return '';
  }

  const namespaceArray = string.split(' / ');

  if (namespaceArray.length === 1) {
    return string;
  }

  namespaceArray.splice(-1, 1);
  let namespace = namespaceArray.join(' / ');

  if (namespaceArray.length > 2) {
    namespace = `${namespaceArray[0]} / ... / ${namespaceArray.pop()}`;
  }

  return namespace;
};