Utils

Constructors

new Utils()

new Utils(): Utils

Returns

Utils

Methods

download()

static download(filename, content, contentType?): void

Downloads the specified content locally

Parameters

Parameter	Type
filename	string
content	BlobPart
contentType?	string

Returns

void

Source

src/utils.ts:193

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firstOrNull()

static firstOrNull<T>(iterable): null | T

Type parameters

Type parameter
T

Parameters

Parameter	Type	Description
iterable	Iterable<T>

Returns

null | T

Source

src/utils.ts:141

---

identity()

static identity(length): Uint32Array

Returns an 'identity' array where the element in idx-th position is equals to idx.

Parameters

Parameter	Type
length	number

Returns

Uint32Array

Source

src/utils.ts:147

---

isEmpty()

static isEmpty(s?): boolean

Parameters

Parameter	Type
s?	string

Returns

boolean

Source

src/utils.ts:158

---

loadJsCss()

static loadJsCss(files): Promise<null>

Loads the specified common libraries, if they were not loaded already. Use it in plugins when a big JS dependency is used infrequently, such as exporting to Excel, or showing a 3d structure. Example: loadJsCss(['common/exceljs.min.js', 'common/exceljs.min.css'])

Parameters

Parameter	Type
files	string[]

Returns

Promise<null>

Source

src/utils.ts:206

---

nullIfEmpty()

static nullIfEmpty(s?): undefined | null | string

Parameters

Parameter	Type
s?	string

Returns

undefined | null | string

Source

src/utils.ts:162

---

openFile()

static openFile(options): void

Shows "Open File" dialog, and lets you process the result.

Parameters

Parameter	Type
options	object
options.accept	string
options.open	(file) => void

Returns

void

Source

src/utils.ts:167

---

openFileBytes()

static openFileBytes(options): void

Shows "Open File" dialog, and lets you process the result.

Parameters

Parameter	Type
options	object
options.accept	string
options.open	(bytes) => void

Returns

void

Source

src/utils.ts:179

---

replaceAll()

static replaceAll(string, search, replace): string

Parameters

Parameter	Type
string	string
search	string
replace	string

Returns

string

Source

src/utils.ts:154

---

streamToObservable()

static streamToObservable<T>(dartStream): Observable<T>

Type parameters

Type parameter	Value
T	any

Parameters

Parameter	Type
dartStream	any

Returns

Observable<T>

Source

src/utils.ts:210