44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
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/**
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* Build Schema for nimnification of JSON data
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* @param {*} jsObj
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*/
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function buildSchema(jsObj){
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var type = typeOf(jsObj);
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switch(type){
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case "array":
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return [buildSchema(jsObj[0])];
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case "object":
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var schema = { };
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var keys = Object.keys(jsObj);
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for(var i in keys){
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var key = keys[i];
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/* if(key === null || typeof key === "undefined"){//in case of null or undefined, take sibling's type
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if(keys[i+1] ){
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schema[key] = buildSchema(jsObj[keys[i+1]]);
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}else if(keys[i-1]){
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schema[key] = buildSchema(jsObj[keys[i-1]]);
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}
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continue;
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} */
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schema[key] = buildSchema(jsObj[key]);
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}
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return schema;
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case "string":
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case "number":
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case "date":
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case "boolean":
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return type;
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default:
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throw Error("Unacceptable type : " + type);
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}
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}
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function typeOf(obj){
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if(obj === null) return "null";
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else if(Array.isArray(obj)) return "array";
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else if(obj instanceof Date) return "date";
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else return typeof obj;
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}
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module.exports.build = buildSchema;
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