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blockly > ConnectionChecker > doSafetyChecks
ConnectionChecker.doSafetyChecks() method
Check that connecting the given connections is safe, meaning that it would not break any of Blockly's basic assumptions (e.g. no self connections).
Signature:
doSafetyChecks(a: Connection | null, b: Connection | null): number;
Parameters
| Parameter |
Type |
Description |
| a |
Connection | null |
The first of the connections to check. |
| b |
Connection | null |
The second of the connections to check. |
Returns:
number
An enum with the reason this connection is safe or unsafe.
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Last updated 2024-09-18 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["\u003cp\u003e\u003ccode\u003edoSafetyChecks\u003c/code\u003e is a method within the \u003ccode\u003eConnectionChecker\u003c/code\u003e class that assesses the safety of connecting two given Blockly connections.\u003c/p\u003e\n"],["\u003cp\u003eThe method analyzes connections to ensure they adhere to Blockly's fundamental rules, such as preventing self-connections, to maintain the integrity of the workspace.\u003c/p\u003e\n"],["\u003cp\u003eIt accepts two \u003ccode\u003eConnection\u003c/code\u003e objects or \u003ccode\u003enull\u003c/code\u003e as input, representing the connections being evaluated for compatibility.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003edoSafetyChecks\u003c/code\u003e returns a numeric code indicating the safety status of the connection, specifying if it's safe or detailing the reason for its unsafety.\u003c/p\u003e\n"]]],["The `doSafetyChecks` method, part of the `ConnectionChecker` class, verifies if connecting two given connections (`a` and `b`) is safe. It takes two connection objects (or null) as parameters. The method's primary action is to ensure the proposed connection doesn't violate core Blockly principles, such as avoiding self-connections. It returns a numerical value that indicates the reason the connection is safe or unsafe.\n"],null,["[blockly](./blockly.md) \\\u003e [ConnectionChecker](./blockly.connectionchecker_class.md) \\\u003e [doSafetyChecks](./blockly.connectionchecker_class.dosafetychecks_1_method.md)\n\nConnectionChecker.doSafetyChecks() method\n-----------------------------------------\n\nCheck that connecting the given connections is safe, meaning that it would not break any of Blockly's basic assumptions (e.g. no self connections).\n\n**Signature:** \n\n doSafetyChecks(a: Connection | null, b: Connection | null): number;\n\nParameters\n----------\n\n| Parameter | Type | Description |\n|-----------|-----------------------------------------------------|-----------------------------------------|\n| a | [Connection](./blockly.connection_class.md) \\| null | The first of the connections to check. |\n| b | [Connection](./blockly.connection_class.md) \\| null | The second of the connections to check. |\n\n**Returns:**\n\nnumber\n\nAn enum with the reason this connection is safe or unsafe."]]
