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| ; | |
| Object.defineProperty(exports, '__esModule', { | |
| value: true, | |
| }); | |
| exports.keyValMap = keyValMap; | |
| /** | |
| * Creates a keyed JS object from an array, given a function to produce the keys | |
| * and a function to produce the values from each item in the array. | |
| * ```ts | |
| * const phoneBook = [ | |
| * { name: 'Jon', num: '555-1234' }, | |
| * { name: 'Jenny', num: '867-5309' } | |
| * ] | |
| * | |
| * // { Jon: '555-1234', Jenny: '867-5309' } | |
| * const phonesByName = keyValMap( | |
| * phoneBook, | |
| * entry => entry.name, | |
| * entry => entry.num | |
| * ) | |
| * ``` | |
| */ | |
| function keyValMap(list, keyFn, valFn) { | |
| const result = Object.create(null); | |
| for (const item of list) { | |
| result[keyFn(item)] = valFn(item); | |
| } | |
| return result; | |
| } | |