A1300399510 69bfb3b262 1111
2025-02-20 19:30:25 +08:00

109 lines
3.4 KiB
JavaScript

function asArray(input) {
return Array.isArray(input) ? input : [input];
}
const InternalKeySymbol = "_$key";
function packObject(input, options) {
const keys = Object.keys(input);
let [k, v] = keys;
options = options || {};
options.key = options.key || k;
options.value = options.value || v;
options.resolveKey = options.resolveKey || ((k2) => k2);
const resolveKey = (index) => {
const arr = asArray(options[index]);
return arr.find((k2) => {
if (typeof k2 === "string" && k2.includes(".")) {
return k2;
}
return k2 && keys.includes(k2);
});
};
const resolveValue = (k2, input2) => {
if (k2.includes(".")) {
const paths = k2.split(".");
let val = input2;
for (const path of paths)
val = val[path];
return val;
}
return input2[k2];
};
k = resolveKey("key") || k;
v = resolveKey("value") || v;
const dedupeKeyPrefix = input.key ? `${InternalKeySymbol}${input.key}-` : "";
let keyValue = resolveValue(k, input);
keyValue = options.resolveKey(keyValue);
return {
[`${dedupeKeyPrefix}${keyValue}`]: resolveValue(v, input)
};
}
function packArray(input, options) {
const packed = {};
for (const i of input) {
const packedObj = packObject(i, options);
const pKey = Object.keys(packedObj)[0];
const isDedupeKey = pKey.startsWith(InternalKeySymbol);
if (!isDedupeKey && packed[pKey]) {
packed[pKey] = Array.isArray(packed[pKey]) ? packed[pKey] : [packed[pKey]];
packed[pKey].push(Object.values(packedObj)[0]);
} else {
packed[isDedupeKey ? pKey.split("-").slice(1).join("-") || pKey : pKey] = packedObj[pKey];
}
}
return packed;
}
function packString(input) {
const output = {};
input.split(" ").forEach(
(item) => {
const val = item.replace(/"/g, "").split("=");
output[val[0]] = val[1];
}
);
return output;
}
function unpackToArray(input, options) {
const unpacked = [];
const kFn = options.resolveKeyData || ((ctx) => ctx.key);
const vFn = options.resolveValueData || ((ctx) => ctx.value);
for (const [k, v] of Object.entries(input)) {
unpacked.push(...(Array.isArray(v) ? v : [v]).map((i) => {
const ctx = { key: k, value: i };
const val = vFn(ctx);
if (typeof val === "object")
return unpackToArray(val, options);
if (Array.isArray(val))
return val;
return {
[typeof options.key === "function" ? options.key(ctx) : options.key]: kFn(ctx),
[typeof options.value === "function" ? options.value(ctx) : options.value]: val
};
}).flat());
}
return unpacked;
}
function unpackToString(value, options) {
return Object.entries(value).map(([key, value2]) => {
if (typeof value2 === "object")
value2 = unpackToString(value2, options);
if (options.resolve) {
const resolved = options.resolve({ key, value: value2 });
if (typeof resolved !== "undefined")
return resolved;
}
if (typeof value2 === "number")
value2 = value2.toString();
if (typeof value2 === "string" && options.wrapValue) {
value2 = value2.replace(new RegExp(options.wrapValue, "g"), `\\${options.wrapValue}`);
value2 = `${options.wrapValue}${value2}${options.wrapValue}`;
}
return `${key}${options.keyValueSeparator || ""}${value2}`;
}).join(options.entrySeparator || "");
}
export { InternalKeySymbol, packArray, packObject, packString, unpackToArray, unpackToString };