swc/crates/swc_bundler/tests/.cache/deno/22d4cff3c725f357baab702365bd0574fd9ac91f.ts
2021-11-09 20:42:49 +09:00

50 lines
1.2 KiB
TypeScript

// Loaded from https://deno.land/x/ramda@v0.27.2/source/internal/_stepCat.js
import _objectAssign from './_objectAssign.js';
import _identity from './_identity.js';
import _isArrayLike from './_isArrayLike.js';
import _isTransformer from './_isTransformer.js';
import objOf from '../objOf.js';
var _stepCatArray = {
'@@transducer/init': Array,
'@@transducer/step': function(xs, x) {
xs.push(x);
return xs;
},
'@@transducer/result': _identity
};
var _stepCatString = {
'@@transducer/init': String,
'@@transducer/step': function(a, b) { return a + b; },
'@@transducer/result': _identity
};
var _stepCatObject = {
'@@transducer/init': Object,
'@@transducer/step': function(result, input) {
return _objectAssign(
result,
_isArrayLike(input) ? objOf(input[0], input[1]) : input
);
},
'@@transducer/result': _identity
};
export default function _stepCat(obj) {
if (_isTransformer(obj)) {
return obj;
}
if (_isArrayLike(obj)) {
return _stepCatArray;
}
if (typeof obj === 'string') {
return _stepCatString;
}
if (typeof obj === 'object') {
return _stepCatObject;
}
throw new Error('Cannot create transformer for ' + obj);
}