Calls related to compatibility adjustments
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Members
(static) isVersion
Checks for the specified version of connected QZ Tray application.
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Methods
(static) getVersion() → {Promise.<(string|Error)>}
Get version of connected QZ Tray application.
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Returns:
Version number of QZ Tray.
- Type
- Promise.<(string|Error)>
(static) isVersionGreater(major, minoropt, patchopt, buildopt) → {boolean}
Checks if the connected QZ Tray application is greater than the specified version.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
major |
string | number | Major version to check | |
minor |
string | number |
<optional> |
Minor version to check |
patch |
string | number |
<optional> |
Patch version to check |
build |
string | number |
<optional> |
Build version to check |
- Since:
- 2.1.0-4
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Returns:
True if connected version is greater than the version specified.
- Type
- boolean
(static) isVersionLess(major, minoropt, patchopt, buildopt) → {boolean}
Checks if the connected QZ Tray application is less than the specified version.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
major |
string | number | Major version to check | |
minor |
string | number |
<optional> |
Minor version to check |
patch |
string | number |
<optional> |
Patch version to check |
build |
string | number |
<optional> |
Build version to check |
- Since:
- 2.1.0-4
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Returns:
True if connected version is less than the version specified.
- Type
- boolean
(static) setPromiseType(promiser)
Change the promise library used by QZ API.
Should be called before any initialization to avoid possible errors.
Parameters:
| Name | Type | Description |
|---|---|---|
promiser |
function | Function({function} resolver) called to create new promises. |
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(static) setSha256Type(hasher)
Change the SHA-256 hashing function used by QZ API.
Should be called before any initialization to avoid possible errors.
Parameters:
| Name | Type | Description |
|---|---|---|
hasher |
function | Function({function} message) called to create hash of passed string. |
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(static) setWebSocketType(ws)
Change the WebSocket handler.
Should be called before any initialization to avoid possible errors.
Parameters:
| Name | Type | Description |
|---|---|---|
ws |
function | Function({function} WebSocket) called to override the internal WebSocket handler. |
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(static) showDebug(show) → {boolean}
Show or hide QZ api debugging statements in the browser console.
Parameters:
| Name | Type | Description |
|---|---|---|
show |
boolean | Whether the debugging logs for QZ should be shown. Hidden by default. |
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Returns:
Value of debugging flag
- Type
- boolean