Mass replace specific properties value with a new value recursively in huge, complex and deep JSON string with a robust regular expression based engine.
Zero dependency, 7KB
For ES5 users,
<html> <body> <script src="../dist/json-knife.bundle.js"></script> <script type="text/javascript"> </script> </body> </html>
For ES6 npm users, run 'npm install --save json-knife' on console.
import Pattern from 'json-knife';
Very simple to use. Now we are going to set all 'Mike{[Gentleman]}' to null in the sample JSON string.
/** * @brief * Mass Update certain key-values recursively in huge, complex JSON string trees * @author Andrew Kang * @param original string required (must be JSON string) * @param key string required * @param value string or boolean or number or null required * @return string */ // IMPORTANT : the variable 'original' should be valid JSON. // You can test your JSON string source like here. // https://jsonformatter.curiousconcept.com/ var result = Pattern.sculptJson(original, 'Mike{[Gentleman]}', null); // You can convert the result string to an object type. var resultObj = JSON.parse(result);
[Original source]
var original =
{
"prob\"lems": [{
"classes": [{
"medications": [{
"medicationsClasses": [{
"Mike {[Gentleman]}": [{
"associatedDrug": [{
"name": "asprin",
"dose": 35.3,
"strength": "500 mg",
"className" : false
}],
"Mike {[Gentleman]}": [{
"name": "somethingElse",
"dose": "",
"strength": "500 mg",
"friends": {
"self": {
"Mike {[Gentleman]}": "33",
"names": ["aa"]
}
}
}]
}],
"Judy": [{
"associatedDrug": [{
"name": "asprin",
"dose": "",
"strength": "500 mg",
"friends": ["Mike {[Gentleman]}"]
}],
"associatedDrug#2": [{
"name": "somethingElse",
"dose": "",
"strength": "500 mg"
}],
"friends": [{"Mike {[Gentleman]}": null}, {"Mike {[Gentleman]}": [["c[ 3\"5ool", 35], ["ca],[1\"3lm"], 53]}, "Jackson", "Mike {[Gentleman]}"]
}]
}]
}],
"classNameMissed": [{
"Mike {[Gentleman]}": "missing_value"
}]
}],
"className": [{}]
}]
}[Result] - string type
{
"prob\"lems": [{
"classes": [{
"medications": [{
"medicationsClasses": [{
"Mike {[Gentleman]}": null,
"Judy": [{
"associatedDrug": [{
"name": "asprin",
"dose": "",
"strength": "500 mg",
"friends": ["Mike {[Gentleman]}"]
}],
"associatedDrug#2": [{
"name": "somethingElse",
"dose": "",
"strength": "500 mg"
}],
"friends": [{"Mike {[Gentleman]}": null}, {"Mike {[Gentleman]}": null}, "Jackson", "Mike {[Gentleman]}"]
}]
}]
}],
"classNameMissed": [{
"Mike {[Gentleman]}": null
}]
}],
"className": [{}]
}]
}Please inform me of the source related things by leaving issues on Github or emailing me at [email protected].