Json validator runtime (#645)

* docs

Signed-off-by: Jan Kowalleck <[email protected]>

* deps

Signed-off-by: Jan Kowalleck <[email protected]>

* prep structures

Signed-off-by: Jan Kowalleck <[email protected]>

* impl

Signed-off-by: Jan Kowalleck <[email protected]>

* impl

Signed-off-by: Jan Kowalleck <[email protected]>

* impl

Signed-off-by: Jan Kowalleck <[email protected]>

* impl

Signed-off-by: Jan Kowalleck <[email protected]>

* impl

Signed-off-by: Jan Kowalleck <[email protected]>

* impl

Signed-off-by: Jan Kowalleck <[email protected]>

* impl

Signed-off-by: Jan Kowalleck <[email protected]>

* docs

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* opt dep tests

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* tests

Signed-off-by: Jan Kowalleck <[email protected]>

* inm test

Signed-off-by: Jan Kowalleck <[email protected]>

* inm test

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* error classes

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* validate in serialization tests

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* tests

Signed-off-by: Jan Kowalleck <[email protected]>

---------

Signed-off-by: Jan Kowalleck <[email protected]>

Author: jkowalleck

README.md

@@ -30,6 +30,7 @@ written in _TypeScript_ and compiled for the target.
   * Support the downstream implementation of custom XML-serializers tailored to specific environments  
     by providing an abstract base class that takes care of normalization and BomRef-discrimination.  
     This is done, because there is no universal XML support in _JavaScript_.
+* Validation according to [_CycloneDX_ Specification][CycloneDX-spec].
 
 ## Capabilities
 
@@ -92,6 +93,8 @@ written in _TypeScript_ and compiled for the target.
   * Specific to _Node.js_: implementation plugs/requires/utilizes one of the following _optional_ libraries
     * [xmlbuilder2](https://www.npmjs.com/package/xmlbuilder2)
     * ... to be continued ... (pull requests are welcome)
+* Validation
+  * TODO: write proper descriptions 
 
 ## Installation
 
@@ -119,6 +122,10 @@ See the shipped `package.json` for version constraints.
 
 * Serialization to XML on _Node.js_ requires any of:
   * [`xmlbuilder2`](https://www.npmjs.com/package/xmlbuilder2)
+* JSON validation requires all of:
+  * [`ajv`](https://www.npmjs.com/package/ajv)
+  * [`ajv-formats`](https://www.npmjs.com/package/ajv-formats)
+  * [`ajv-formats-draft2019`](https://www.npmjs.com/package/ajv-formats-draft2019)
 
 ## Usage