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author | Joel Kronqvist <work.joelkronqvist@pm.me> | 2022-03-11 20:46:06 +0200 |
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committer | Joel Kronqvist <work.joelkronqvist@pm.me> | 2022-03-11 20:46:06 +0200 |
commit | 080c5819d87b933816d724a83f3bf4f1686770a7 (patch) | |
tree | 4a2ccc68b27edf7d4cbc586c932cc7542b655e19 /node_modules/fast-json-stable-stringify/index.js | |
parent | 5ac7049a9d30733165cc212dee308163c2a14644 (diff) | |
parent | d003b82235a9329f912522a2f70aa950dfce4998 (diff) | |
download | LYLLRuoka-080c5819d87b933816d724a83f3bf4f1686770a7.tar.gz LYLLRuoka-080c5819d87b933816d724a83f3bf4f1686770a7.zip |
Merge branch 'master' of https://github.com/JoelHMikael/FoodJS
Updating remote changes
Diffstat (limited to 'node_modules/fast-json-stable-stringify/index.js')
-rw-r--r-- | node_modules/fast-json-stable-stringify/index.js | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/node_modules/fast-json-stable-stringify/index.js b/node_modules/fast-json-stable-stringify/index.js new file mode 100644 index 0000000..c44e6a4 --- /dev/null +++ b/node_modules/fast-json-stable-stringify/index.js @@ -0,0 +1,59 @@ +'use strict'; + +module.exports = function (data, opts) { + if (!opts) opts = {}; + if (typeof opts === 'function') opts = { cmp: opts }; + var cycles = (typeof opts.cycles === 'boolean') ? opts.cycles : false; + + var cmp = opts.cmp && (function (f) { + return function (node) { + return function (a, b) { + var aobj = { key: a, value: node[a] }; + var bobj = { key: b, value: node[b] }; + return f(aobj, bobj); + }; + }; + })(opts.cmp); + + var seen = []; + return (function stringify (node) { + if (node && node.toJSON && typeof node.toJSON === 'function') { + node = node.toJSON(); + } + + if (node === undefined) return; + if (typeof node == 'number') return isFinite(node) ? '' + node : 'null'; + if (typeof node !== 'object') return JSON.stringify(node); + + var i, out; + if (Array.isArray(node)) { + out = '['; + for (i = 0; i < node.length; i++) { + if (i) out += ','; + out += stringify(node[i]) || 'null'; + } + return out + ']'; + } + + if (node === null) return 'null'; + + if (seen.indexOf(node) !== -1) { + if (cycles) return JSON.stringify('__cycle__'); + throw new TypeError('Converting circular structure to JSON'); + } + + var seenIndex = seen.push(node) - 1; + var keys = Object.keys(node).sort(cmp && cmp(node)); + out = ''; + for (i = 0; i < keys.length; i++) { + var key = keys[i]; + var value = stringify(node[key]); + + if (!value) continue; + if (out) out += ','; + out += JSON.stringify(key) + ':' + value; + } + seen.splice(seenIndex, 1); + return '{' + out + '}'; + })(data); +}; |