63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
/*
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* Module : JSON (not compatible with the browser component!)
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* State : preinstalled OVMS component
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* Use : a) JSON.print(data); -- output data as JSON, readable
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* b) JSON.print(data, false); -- …compact (without spacing/indentation)
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* c) t = JSON.format(data); -- format data as JSON string, readable
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* d) t = JSON.format(data, false); -- …compact (without spacing/indentation)
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*/
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// Re-export builtin native JSON methods:
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exports.stringify = JSON.stringify;
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exports.parse = JSON.parse;
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exports.format = function(obj, ind)
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{
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var res = '';
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var type = (obj === null) ? "null" : typeof obj;
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if (type == "object" && Array.isArray(obj)) type = "array";
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var sp = (ind !== false);
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if (!ind) ind = '';
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switch (type)
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{
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case "string":
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res += '"' + obj.replace(/\"/g, '\\\"') + '"';
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break;
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case "array":
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res += sp ? '[\n' : '[';
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for (var i = 0; i < obj.length; i++)
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{
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if (sp) res += (ind + ' ');
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res += exports.format(obj[i], sp ? ind + ' ' : false);
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if (i != obj.length-1) res += ',';
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if (sp) res += '\n';
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}
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res += ind + ']';
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break;
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case "object":
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res += sp ? '{\n' : '{';
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var keys = Object.keys(obj);
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for (var i = 0; i < keys.length; i++)
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{
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if (sp) res += ind + ' "' + keys[i] + '": ';
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else res += '"' + keys[i] + '":';
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res += exports.format(obj[keys[i]], sp ? ind + ' ' : false);
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if (i != keys.length-1) res += ',';
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if (sp) res += '\n';
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}
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res += ind + '}';
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break;
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default:
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res += '' + obj;
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}
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if (sp && ind == '') res += '\n';
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return res;
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}
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exports.print = function(obj, ind)
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{
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print(exports.format(obj, ind));
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}
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