[add] helper:json
Christian Fraß commited on 2021-03-04 08:16:57
Zeige 1 geänderte Dateien mit 108 Einfügungen und 0 Löschungen.
- source/helpers/json.ts 0000000..a10f01a
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+namespace helpers.json |
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+{
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+ |
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+ /** |
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+ */ |
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+ export function encode_extended |
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+ ( |
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+ data : any, |
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+ formatted : boolean, |
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+ depth : int |
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+ ) : string |
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+ {
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+ const indentation : string = "\t"; |
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+ const break_hard : string = (formatted ? "\n" : ""); |
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+ const break_soft : string = (formatted ? "\n" : ""); |
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+ const indent : (offset : int)=>string = (offset => (formatted ? indentation.repeat(depth+offset) : "")); |
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+ // let output : string = ''; |
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+ if (data === null) |
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+ {
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+ return 'null'; |
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+ } |
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+ else |
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+ {
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+ if (! (typeof(data) === 'object')) |
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+ {
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+ return JSON.stringify(data); |
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+ } |
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+ else |
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+ {
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+ if (data instanceof Array) |
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+ {
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+ const count : int = data.length; |
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+ let str : string = ""; |
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+ // head |
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+ {
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+ str += ("[" + break_hard);
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+ } |
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+ // body |
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+ {
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+ let index : int = 0; |
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+ for (let element of data) |
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+ {
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+ str += (indent(1) + encode_extended(element, formatted, depth+1)); |
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+ if (index < (count-1)) str += ","; |
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+ str += break_soft; |
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+ index += 1; |
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+ } |
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+ } |
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+ // tail |
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+ {
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+ str += (indent(0) + "]"); |
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+ } |
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+ return str; |
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+ } |
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+ else |
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+ {
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+ const count : int = Object.keys(data).length; |
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+ let str : string = ""; |
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+ // head |
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+ {
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+ str += ("{" + break_hard);
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+ } |
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+ // body |
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+ {
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+ let index : int = 0; |
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+ for (let key of Object.keys(data).sort()) |
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+ {
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+ const value : any = data[key]; |
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+ str += (indent(1) + "\"" + key + "\": " + encode_extended(value, formatted, depth+1) + ""); |
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+ if (index < (count-1)) str += ","; |
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+ str += break_soft; |
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+ index += 1; |
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+ } |
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+ } |
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+ // tail |
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+ {
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+ str += (indent(0) + "}"); |
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+ } |
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+ return str; |
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+ } |
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+ } |
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+ } |
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+ } |
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+ |
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+ |
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+ /** |
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+ */ |
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+ export function encode |
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+ ( |
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+ thing : any |
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+ ) : string |
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+ {
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+ return encode_extended(thing, false, 0); |
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+ } |
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+ |
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+ |
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+ /** |
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+ */ |
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+ export function decode |
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+ ( |
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+ str : string |
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+ ) : any |
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+ {
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+ return JSON.parse(str); |
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+ } |
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+ |
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+} |
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+ |
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