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…#3256) * Implement reduceCallback * Add jsdocs * implement simplifyCallback in other functions * Moved recurse to array.js * Format * Separate transform callback * forEach transform * Renamed applyCallback to simplifyCallback * Simplified index transform * renamed to reducedCallback and simplifiedCallback to simpleCallback * chore: fix linting issue * Added forEach benchmark * renamed simplifyCallback to optimizeCallback --------- Co-authored-by: Jos de Jong <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| import { factory } from '../../../utils/factory.js' | ||
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| const name = 'transformCallback' | ||
| const dependencies = ['typed'] | ||
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| export const createTransformCallback = /* #__PURE__ */ factory(name, dependencies, ({ typed }) => { | ||
| /** | ||
| * Transforms the given callback function based on its type and number of arrays. | ||
| * | ||
| * @param {Function} callback - The callback function to transform. | ||
| * @param {number} numberOfArrays - The number of arrays to pass to the callback function. | ||
| * @returns {*} - The transformed callback function. | ||
| */ | ||
| return function (callback, numberOfArrays) { | ||
| if (typed.isTypedFunction(callback)) { | ||
| return _transformTypedCallbackFunction(callback, numberOfArrays) | ||
| } else { | ||
| return _transformCallbackFunction(callback, callback.length, numberOfArrays) | ||
| } | ||
| } | ||
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| /** | ||
| * Transforms the given typed callback function based on the number of arrays. | ||
| * | ||
| * @param {Function} typedFunction - The typed callback function to transform. | ||
| * @param {number} numberOfArrays - The number of arrays to pass to the callback function. | ||
| * @returns {*} - The transformed callback function. | ||
| */ | ||
| function _transformTypedCallbackFunction (typedFunction, numberOfArrays) { | ||
| const signatures = Object.fromEntries( | ||
| Object.entries(typedFunction.signatures) | ||
| .map(([signature, callbackFunction]) => { | ||
| const numberOfCallbackInputs = signature.split(',').length | ||
| if (typed.isTypedFunction(callbackFunction)) { | ||
| return [signature, _transformTypedCallbackFunction(callbackFunction, numberOfArrays)] | ||
| } else { | ||
| return [signature, _transformCallbackFunction(callbackFunction, numberOfCallbackInputs, numberOfArrays)] | ||
| } | ||
| }) | ||
| ) | ||
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| if (typeof typedFunction.name === 'string') { | ||
| return typed(typedFunction.name, signatures) | ||
| } else { | ||
| return typed(signatures) | ||
| } | ||
| } | ||
| }) | ||
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| /** | ||
| * Transforms the callback function based on the number of callback inputs and arrays. | ||
| * There are three cases: | ||
| * 1. The callback function has N arguments. | ||
| * 2. The callback function has N+1 arguments. | ||
| * 3. The callback function has 2N+1 arguments. | ||
| * | ||
| * @param {Function} callbackFunction - The callback function to transform. | ||
| * @param {number} numberOfCallbackInputs - The number of callback inputs. | ||
| * @param {number} numberOfArrays - The number of arrays. | ||
| * @returns {Function} The transformed callback function. | ||
| */ | ||
| function _transformCallbackFunction (callbackFunction, numberOfCallbackInputs, numberOfArrays) { | ||
| if (numberOfCallbackInputs === numberOfArrays) { | ||
| return callbackFunction | ||
| } else if (numberOfCallbackInputs === numberOfArrays + 1) { | ||
| return function (...args) { | ||
| const vals = args.slice(0, numberOfArrays) | ||
| const idx = _transformDims(args[numberOfArrays]) | ||
| return callbackFunction(...vals, idx) | ||
| } | ||
| } else if (numberOfCallbackInputs > numberOfArrays + 1) { | ||
| return function (...args) { | ||
| const vals = args.slice(0, numberOfArrays) | ||
| const idx = _transformDims(args[numberOfArrays]) | ||
| const rest = args.slice(numberOfArrays + 1) | ||
| return callbackFunction(...vals, idx, ...rest) | ||
| } | ||
| } else { | ||
| return callbackFunction | ||
| } | ||
| } | ||
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| /** | ||
| * Transforms the dimensions by adding 1 to each dimension. | ||
| * | ||
| * @param {Array} dims - The dimensions to transform. | ||
| * @returns {Array} The transformed dimensions. | ||
| */ | ||
| function _transformDims (dims) { | ||
| return dims.map(dim => dim + 1) | ||
| } |
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