Remove sliceChildren (#9109)
This commit is contained in:
Brandon Dail
GitHub
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commit
0c1f515faf
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@ -157,13 +157,6 @@ src/isomorphic/children/__tests__/onlyChild-test.js
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* should not fail when passed interpolated single child
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* should not fail when passed interpolated single child
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* should return the only child
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* should return the only child
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src/isomorphic/children/__tests__/sliceChildren-test.js
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* should render the whole set if start zero is supplied
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* should render the remaining set if no end index is supplied
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* should exclude everything at or after the end index
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* should allow static children to be sliced
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* should slice nested children
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src/isomorphic/classic/__tests__/ReactContextValidator-test.js
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src/isomorphic/classic/__tests__/ReactContextValidator-test.js
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* should filter out context not in contextTypes
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* should filter out context not in contextTypes
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* should pass next context to lifecycles
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* should pass next context to lifecycles
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@ -1,93 +0,0 @@
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/**
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* Copyright 2013-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @emails react-core
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*/
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'use strict';
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describe('sliceChildren', () => {
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var React;
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var sliceChildren;
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beforeEach(() => {
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React = require('react');
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sliceChildren = require('sliceChildren');
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});
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it('should render the whole set if start zero is supplied', () => {
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var fullSet = [
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<div key="A" />,
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<div key="B" />,
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<div key="C" />,
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];
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var children = sliceChildren(fullSet, 0);
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expect(children).toEqual([
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<div key=".$A" />,
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<div key=".$B" />,
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<div key=".$C" />,
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]);
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});
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it('should render the remaining set if no end index is supplied', () => {
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var fullSet = [
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<div key="A" />,
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<div key="B" />,
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<div key="C" />,
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];
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var children = sliceChildren(fullSet, 1);
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expect(children).toEqual([
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<div key=".$B" />,
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<div key=".$C" />,
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]);
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});
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it('should exclude everything at or after the end index', () => {
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var fullSet = [
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<div key="A" />,
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<div key="B" />,
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<div key="C" />,
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<div key="D" />,
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];
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var children = sliceChildren(fullSet, 1, 2);
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expect(children).toEqual([
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<div key=".$B" />,
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]);
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});
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it('should allow static children to be sliced', () => {
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var a = <a />;
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var b = <b />;
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var c = <i />;
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var el = <div>{a}{b}{c}</div>;
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var children = sliceChildren(el.props.children, 1, 2);
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expect(children).toEqual([
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<b key=".1" />,
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]);
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});
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it('should slice nested children', () => {
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var fullSet = [
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<div key="A" />,
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[
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<div key="B" />,
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<div key="C" />,
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],
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<div key="D" />,
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];
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var children = sliceChildren(fullSet, 1, 2);
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expect(children).toEqual([
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<div key=".1:$B" />,
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]);
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});
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});
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@ -1,34 +0,0 @@
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/**
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* Copyright 2013-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule sliceChildren
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*/
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'use strict';
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var ReactChildren = require('ReactChildren');
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/**
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* Slice children that are typically specified as `props.children`. This version
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* of slice children ignores empty child components.
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*
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* @param {*} children The children set to filter.
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* @param {number} start The first zero-based index to include in the subset.
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* @param {?number} end The non-inclusive last index of the subset.
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* @return {object} mirrored array with mapped children
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*/
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function sliceChildren(children, start, end) {
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if (children == null) {
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return children;
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}
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var array = ReactChildren.toArray(children);
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return array.slice(start, end);
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}
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module.exports = sliceChildren;
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