mirror of
https://github.com/swc-project/swc.git
synced 2024-12-28 08:04:43 +03:00
44 lines
1.2 KiB
TypeScript
44 lines
1.2 KiB
TypeScript
|
// Loaded from https://deno.land/x/ramda@v0.27.2/source/internal/_xreduceBy.js
|
||
|
|
|
||
|
|
|
||
|
|
import _curryN from './_curryN.js';
|
||
|
|
import _has from './_has.js';
|
||
|
|
import _xfBase from './_xfBase.js';
|
||
|
|
|
||
|
|
|
||
|
|
function XReduceBy(valueFn, valueAcc, keyFn, xf) {
|
||
|
|
this.valueFn = valueFn;
|
||
|
|
this.valueAcc = valueAcc;
|
||
|
|
this.keyFn = keyFn;
|
||
|
|
this.xf = xf;
|
||
|
|
this.inputs = {};
|
||
|
|
}
|
||
|
|
XReduceBy.prototype['@@transducer/init'] = _xfBase.init;
|
||
|
|
XReduceBy.prototype['@@transducer/result'] = function(result) {
|
||
|
|
var key;
|
||
|
|
for (key in this.inputs) {
|
||
|
|
if (_has(key, this.inputs)) {
|
||
|
|
result = this.xf['@@transducer/step'](result, this.inputs[key]);
|
||
|
|
if (result['@@transducer/reduced']) {
|
||
|
|
result = result['@@transducer/value'];
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.inputs = null;
|
||
|
|
return this.xf['@@transducer/result'](result);
|
||
|
|
};
|
||
|
|
XReduceBy.prototype['@@transducer/step'] = function(result, input) {
|
||
|
|
var key = this.keyFn(input);
|
||
|
|
this.inputs[key] = this.inputs[key] || [key, this.valueAcc];
|
||
|
|
this.inputs[key][1] = this.valueFn(this.inputs[key][1], input);
|
||
|
|
return result;
|
||
|
|
};
|
||
|
|
|
||
|
|
var _xreduceBy = _curryN(4, [],
|
||
|
|
function _xreduceBy(valueFn, valueAcc, keyFn, xf) {
|
||
|
|
return new XReduceBy(valueFn, valueAcc, keyFn, xf);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
export default _xreduceBy;
|