I'm trying to set the current date as a default value for a string with format <code c

Did you mean extendCreateValue since there is no <cod

OK this works: <div class="snippet-clipboard-content notranslate position-relative

default Value calculated by js function about jsonary HOT 4 CLOSED

Ognian commented on July 16, 2024

default Value calculated by js function

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Comments (4)

Ognian commented on July 16, 2024

One way would be to "override" the Schema.prototype.defaultValue function and adapt it to eval something. Since I agree that this is a pretty custom thing maybe Jsonary should only enable such a hack; There is a Jsonary.extendSchema() but not an Jsonary.overrideSchema()
@geraintluff what do you think? Shall I create such a pull request? Or do you have a better idea?

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geraintluff commented on July 16, 2024

Sorry, I've been out of the world for a bit.

I think a clean way to do this would be to register custom value-generation functions, like:

Jsonary.addValueGenerator(function (schemaList) {
    if (schemaList.containsFormat('my-format')) {
        return "** Default data **";
    }
});

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Ognian commented on July 16, 2024

Did you mean extendCreateValue since there is no addValueGenerator?

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Ognian commented on July 16, 2024

OK this works:

    Jsonary.extendCreateValue(function (schemaList) {
        var dfString;
        schemaList.each(function (index, schema) {
            dfString = schema.data.propertyValue("defaultJSFunction");
        });
        //dfString is one of the dfStrings if more than one schema exists
        if (dfString) {
            //eval it
            var res;
            try {
                var df = eval(dfString);
                res = df();
            } catch (e) {
                console.log("eval defaultJSFunction failed: " + e);
            }
            ;
            //console.log(res);
            return res;
        }
    });

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