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72 lines
2.0 KiB
TypeScript
72 lines
2.0 KiB
TypeScript
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// Loaded from https://deno.land/x/ramda@v0.27.2/source/dissocPath.js
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import _curry2 from './internal/_curry2.js';
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import _dissoc from './internal/_dissoc.js';
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import _isInteger from './internal/_isInteger.js';
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import _isArray from './internal/_isArray.js';
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import assoc from './assoc.js';
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/**
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* Makes a shallow clone of an object. Note that this copies and flattens
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* prototype properties onto the new object as well. All non-primitive
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* properties are copied by reference.
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*
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* @private
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* @param {String|Integer} prop The prop operating
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* @param {Object|Array} obj The object to clone
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* @return {Object|Array} A new object equivalent to the original.
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*/
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function _shallowCloneObject(prop, obj) {
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if (_isInteger(prop) && _isArray(obj)) {
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return [].concat(obj);
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}
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var result = {};
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for (var p in obj) {
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result[p] = obj[p];
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}
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return result;
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}
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/**
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* Makes a shallow clone of an object, omitting the property at the given path.
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* Note that this copies and flattens prototype properties onto the new object
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* as well. All non-primitive properties are copied by reference.
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*
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* @func
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* @memberOf R
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* @since v0.11.0
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* @category Object
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* @typedefn Idx = String | Int | Symbol
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* @sig [Idx] -> {k: v} -> {k: v}
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* @param {Array} path The path to the value to omit
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* @param {Object} obj The object to clone
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* @return {Object} A new object without the property at path
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* @see R.assocPath
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* @example
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*
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* R.dissocPath(['a', 'b', 'c'], {a: {b: {c: 42}}}); //=> {a: {b: {}}}
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*/
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var dissocPath = _curry2(function dissocPath(path, obj) {
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if (obj == null) {
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return obj;
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}
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switch (path.length) {
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case 0:
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return obj;
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case 1:
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return _dissoc(path[0], obj);
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default:
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var head = path[0];
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var tail = Array.prototype.slice.call(path, 1);
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if (obj[head] == null) {
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return _shallowCloneObject(head, obj);
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} else {
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return assoc(head, dissocPath(tail, obj[head]), obj);
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}
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}
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});
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export default dissocPath;
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