FilesExpand file tree

 master

/

util.ts

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

198 lines (178 loc) · 4.83 KB

 master

/

util.ts

Copy path

Top

File metadata and controls

• Code
• Blame

198 lines (178 loc) · 4.83 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

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

import { HttpPostMessage } from 'http-post-message';

/**

* Raises a custom event with event data on the specified HTML element.

*

* @export

* @param {HTMLElement} element

* @param {string} eventName

* @param {*} eventData

*/

export function raiseCustomEvent(element: HTMLElement, eventName: string, eventData: any): void {

let customEvent;

if (typeof CustomEvent === 'function') {

customEvent = new CustomEvent(eventName, {

detail: eventData,

bubbles: true,

cancelable: true

});

} else {

customEvent = document.createEvent('CustomEvent');

customEvent.initCustomEvent(eventName, true, true, eventData);

}

element.dispatchEvent(customEvent);

}

/**

* Finds the index of the first value in an array that matches the specified predicate.

*

* @export

* @template T

* @param {(x: T) => boolean} predicate

* @param {T[]} xs

* @returns {number}

*/

export function findIndex<T>(predicate: (x: T) => boolean, xs: T[]): number {

if (!Array.isArray(xs)) {

throw new Error(`You attempted to call find with second parameter that was not an array. You passed: ${xs}`);

}

let index;

xs.some((x, i) => {

if (predicate(x)) {

index = i;

return true;

}

});

return index;

}

/**

* Finds the first value in an array that matches the specified predicate.

*

* @export

* @template T

* @param {(x: T) => boolean} predicate

* @param {T[]} xs

* @returns {T}

*/

export function find<T>(predicate: (x: T) => boolean, xs: T[]): T {

const index = findIndex(predicate, xs);

return xs[index];

}

export function remove<T>(predicate: (x: T) => boolean, xs: T[]): void {

const index = findIndex(predicate, xs);

xs.splice(index, 1);

}

// See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign

// TODO: replace in favor of using polyfill

/**

* Copies the values of all enumerable properties from one or more source objects to a target object, and returns the target object.

*

* @export

* @param {any} args

* @returns

*/

export function assign(...args) {

var target = args[0];

'use strict';

if (target === undefined || target === null) {

throw new TypeError('Cannot convert undefined or null to object');

}

var output = Object(target);

for (var index = 1; index < arguments.length; index++) {

var source = arguments[index];

if (source !== undefined && source !== null) {

for (var nextKey in source) {

if (source.hasOwnProperty(nextKey)) {

output[nextKey] = source[nextKey];

}

}

}

}

return output;

}

/**

* Generates a random 5 to 6 character string.

*

* @export

* @returns {string}

*/

export function createRandomString(): string {

return getRandomValue().toString(36).substring(1);

}

/**

* Generates a 20 charachter uuid.

*

* @export

* @returns {string}

*/

export function generateUUID(): string {

let d = new Date().getTime();

if (typeof performance !== 'undefined' && typeof performance.now === 'function') {

d += performance.now();

}

return 'xxxxxxxxxxxxxxxxxxxx'.replace(/[xy]/g, function (c) {

// Generate a random number, scaled from 0 to 15.

const r = (getRandomValue() % 16);

// Shift 4 times to divide by 16

d >>= 4;

return r.toString(16);

});

}

/**

* Adds a parameter to the given url

*

* @export

* @param {string} url

* @param {string} paramName

* @param {string} value

* @returns {string}

*/

export function addParamToUrl(url: string, paramName: string, value: string): string {

let parameterPrefix = url.indexOf('?') > 0 ? '&' : '?';

url += parameterPrefix + paramName + '=' + value;

return url;

}

/**

* Checks if the report is saved.

*

* @export

* @param {HttpPostMessage} hpm

* @param {string} uid

* @param {Window} contentWindow

* @returns {Promise<boolean>}

*/

export function isSavedInternal(hpm: HttpPostMessage, uid: string, contentWindow: Window): Promise<boolean> {

return hpm.get<boolean>('/report/hasUnsavedChanges', { uid }, contentWindow)

.then(response => !response.body,

response => {

throw response.body;

});

}

/**

* Checks if the embed url is for RDL report.

*

* @export

* @param {string} embedUrl

* @returns {boolean}

*/

export function isRDLEmbed(embedUrl: string): boolean {

return embedUrl.toLowerCase().indexOf("/rdlembed?") >= 0;

}

/**

* Checks if the embed url contains autoAuth=true.

*

* @export

* @param {string} embedUrl

* @returns {boolean}

*/

export function autoAuthInEmbedUrl(embedUrl: string): boolean {

return embedUrl && decodeURIComponent(embedUrl).toLowerCase().indexOf("autoauth=true") >= 0;

}

/**

* Returns random number

*/

export function getRandomValue() {

// window.msCrypto for IE

var cryptoObj = window.crypto || window.msCrypto;

var randomValueArray = new Uint32Array(1);

cryptoObj.getRandomValues(randomValueArray);

return randomValueArray[0];

}