| 1 | /** |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * This source code is licensed under the MIT license found in the |
| 5 | * LICENSE file in the root directory of this source tree. |
| 6 | * |
| 7 | * @emails react-core |
| 8 | */ |
| 9 | |
| 10 | 'use strict'; |
| 11 | |
| 12 | const React = require('react'); |
| 13 | const ReactDOMClient = require('react-dom/client'); |
| 14 | const ReactDOMServer = require('react-dom/server'); |
| 15 | const act = require('internal-test-utils').act; |
| 16 | const assertConsoleErrorDev = |
| 17 | require('internal-test-utils').assertConsoleErrorDev; |
| 18 | |
| 19 | describe('CSSPropertyOperations', () => { |
| 20 | it('should automatically append `px` to relevant styles', () => { |
| 21 | const styles = { |
| 22 | left: 0, |
| 23 | margin: 16, |
| 24 | opacity: 0.5, |
| 25 | padding: '4px', |
| 26 | }; |
| 27 | const div = <div style={styles} />; |
| 28 | const html = ReactDOMServer.renderToString(div); |
| 29 | expect(html).toContain('"left:0;margin:16px;opacity:0.5;padding:4px"'); |
| 30 | }); |
| 31 | |
| 32 | it('should trim values', () => { |
| 33 | const styles = { |
| 34 | left: '16 ', |
| 35 | opacity: 0.5, |
| 36 | right: ' 4 ', |
| 37 | }; |
| 38 | const div = <div style={styles} />; |
| 39 | const html = ReactDOMServer.renderToString(div); |
| 40 | expect(html).toContain('"left:16;opacity:0.5;right:4"'); |
| 41 | }); |
| 42 | |
| 43 | it('should not append `px` to styles that might need a number', () => { |
| 44 | const styles = { |
| 45 | flex: 0, |
| 46 | opacity: 0.5, |
| 47 | }; |
| 48 | const div = <div style={styles} />; |
| 49 | const html = ReactDOMServer.renderToString(div); |
| 50 | expect(html).toContain('"flex:0;opacity:0.5"'); |
| 51 | }); |
| 52 | |
| 53 | it('should create vendor-prefixed markup correctly', () => { |
| 54 | const styles = { |
| 55 | msTransition: 'none', |
| 56 | MozTransition: 'none', |
| 57 | }; |
| 58 | const div = <div style={styles} />; |
| 59 | const html = ReactDOMServer.renderToString(div); |
| 60 | expect(html).toContain('"-ms-transition:none;-moz-transition:none"'); |
| 61 | }); |
| 62 | |
| 63 | it('should not hyphenate custom CSS property', () => { |
| 64 | const styles = { |
| 65 | '--someColor': '#000000', |
| 66 | }; |
| 67 | const div = <div style={styles} />; |
| 68 | const html = ReactDOMServer.renderToString(div); |
| 69 | expect(html).toContain('"--someColor:#000000"'); |
| 70 | }); |
| 71 | |
| 72 | it('should set style attribute when styles exist', async () => { |
| 73 | const styles = { |
| 74 | backgroundColor: '#000', |
| 75 | display: 'none', |
| 76 | }; |
| 77 | const container = document.createElement('div'); |
| 78 | const root = ReactDOMClient.createRoot(container); |
| 79 | await act(() => { |
| 80 | root.render(<div style={styles} />); |
| 81 | }); |
| 82 | |
| 83 | const div = container.firstChild; |
| 84 | expect(/style=".*"/.test(container.innerHTML)).toBe(true); |
| 85 | }); |
| 86 | |
| 87 | it('should not set style attribute when no styles exist', () => { |
| 88 | const styles = { |
| 89 | backgroundColor: null, |
| 90 | display: null, |
| 91 | }; |
| 92 | const div = <div style={styles} />; |
| 93 | const html = ReactDOMServer.renderToString(div); |
| 94 | expect(/style=/.test(html)).toBe(false); |
| 95 | }); |
| 96 | |
| 97 | it('should warn when using hyphenated style names', async () => { |
| 98 | class Comp extends React.Component { |
| 99 | static displayName = 'Comp'; |
| 100 | |
| 101 | render() { |
| 102 | return <div style={{'background-color': 'crimson'}} />; |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | const container = document.createElement('div'); |
| 107 | const root = ReactDOMClient.createRoot(container); |
| 108 | await act(() => { |
| 109 | root.render(<Comp />); |
| 110 | }); |
| 111 | assertConsoleErrorDev([ |
| 112 | 'Unsupported style property background-color. Did you mean backgroundColor?' + |
| 113 | '\n in div (at **)' + |
| 114 | '\n in Comp (at **)', |
| 115 | ]); |
| 116 | }); |
| 117 | |
| 118 | it('should warn when updating hyphenated style names', async () => { |
| 119 | class Comp extends React.Component { |
| 120 | static displayName = 'Comp'; |
| 121 | |
| 122 | render() { |
| 123 | return <div style={this.props.style} />; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | const styles = { |
| 128 | '-ms-transform': 'translate3d(0, 0, 0)', |
| 129 | '-webkit-transform': 'translate3d(0, 0, 0)', |
| 130 | }; |
| 131 | const container = document.createElement('div'); |
| 132 | const root = ReactDOMClient.createRoot(container); |
| 133 | await act(() => { |
| 134 | root.render(<Comp />); |
| 135 | }); |
| 136 | await act(() => { |
| 137 | root.render(<Comp style={styles} />); |
| 138 | }); |
| 139 | assertConsoleErrorDev([ |
| 140 | 'Unsupported style property -ms-transform. Did you mean msTransform?' + |
| 141 | '\n in div (at **)' + |
| 142 | '\n in Comp (at **)', |
| 143 | 'Unsupported style property -webkit-transform. Did you mean WebkitTransform?' + |
| 144 | '\n in div (at **)' + |
| 145 | '\n in Comp (at **)', |
| 146 | ]); |
| 147 | }); |
| 148 | |
| 149 | it('warns when miscapitalizing vendored style names', async () => { |
| 150 | class Comp extends React.Component { |
| 151 | static displayName = 'Comp'; |
| 152 | |
| 153 | render() { |
| 154 | return ( |
| 155 | <div |
| 156 | style={{ |
| 157 | msTransform: 'translate3d(0, 0, 0)', |
| 158 | oTransform: 'translate3d(0, 0, 0)', |
| 159 | webkitTransform: 'translate3d(0, 0, 0)', |
| 160 | }} |
| 161 | /> |
| 162 | ); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | const container = document.createElement('div'); |
| 167 | const root = ReactDOMClient.createRoot(container); |
| 168 | await act(() => { |
| 169 | root.render(<Comp />); |
| 170 | }); |
| 171 | assertConsoleErrorDev([ |
| 172 | // msTransform is correct already and shouldn't warn |
| 173 | 'Unsupported vendor-prefixed style property oTransform. ' + |
| 174 | 'Did you mean OTransform?' + |
| 175 | '\n in div (at **)' + |
| 176 | '\n in Comp (at **)', |
| 177 | 'Unsupported vendor-prefixed style property webkitTransform. ' + |
| 178 | 'Did you mean WebkitTransform?' + |
| 179 | '\n in div (at **)' + |
| 180 | '\n in Comp (at **)', |
| 181 | ]); |
| 182 | }); |
| 183 | |
| 184 | it('should warn about style having a trailing semicolon', async () => { |
| 185 | class Comp extends React.Component { |
| 186 | static displayName = 'Comp'; |
| 187 | |
| 188 | render() { |
| 189 | return ( |
| 190 | <div |
| 191 | style={{ |
| 192 | fontFamily: 'Helvetica, arial', |
| 193 | backgroundImage: 'url(foo;bar)', |
| 194 | backgroundColor: 'blue;', |
| 195 | color: 'red; ', |
| 196 | }} |
| 197 | /> |
| 198 | ); |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | const container = document.createElement('div'); |
| 203 | const root = ReactDOMClient.createRoot(container); |
| 204 | await act(() => { |
| 205 | root.render(<Comp />); |
| 206 | }); |
| 207 | assertConsoleErrorDev([ |
| 208 | "Style property values shouldn't contain a semicolon. " + |
| 209 | 'Try "backgroundColor: blue" instead.' + |
| 210 | '\n in div (at **)' + |
| 211 | '\n in Comp (at **)', |
| 212 | "Style property values shouldn't contain a semicolon. " + |
| 213 | 'Try "color: red" instead.' + |
| 214 | '\n in div (at **)' + |
| 215 | '\n in Comp (at **)', |
| 216 | ]); |
| 217 | }); |
| 218 | |
| 219 | it('should warn about style containing a NaN value', async () => { |
| 220 | class Comp extends React.Component { |
| 221 | static displayName = 'Comp'; |
| 222 | |
| 223 | render() { |
| 224 | return <div style={{fontSize: NaN}} />; |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | const container = document.createElement('div'); |
| 229 | const root = ReactDOMClient.createRoot(container); |
| 230 | await act(() => { |
| 231 | root.render(<Comp />); |
| 232 | }); |
| 233 | assertConsoleErrorDev([ |
| 234 | '`NaN` is an invalid value for the `fontSize` css style property.' + |
| 235 | '\n in div (at **)' + |
| 236 | '\n in Comp (at **)', |
| 237 | ]); |
| 238 | }); |
| 239 | |
| 240 | it('should not warn when setting CSS custom properties', async () => { |
| 241 | class Comp extends React.Component { |
| 242 | render() { |
| 243 | return <div style={{'--foo-primary': 'red', backgroundColor: 'red'}} />; |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | const container = document.createElement('div'); |
| 248 | const root = ReactDOMClient.createRoot(container); |
| 249 | await act(() => { |
| 250 | root.render(<Comp />); |
| 251 | }); |
| 252 | }); |
| 253 | |
| 254 | it('should warn about style containing an Infinity value', async () => { |
| 255 | class Comp extends React.Component { |
| 256 | static displayName = 'Comp'; |
| 257 | |
| 258 | render() { |
| 259 | return <div style={{fontSize: 1 / 0}} />; |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | const container = document.createElement('div'); |
| 264 | const root = ReactDOMClient.createRoot(container); |
| 265 | await act(() => { |
| 266 | root.render(<Comp />); |
| 267 | }); |
| 268 | assertConsoleErrorDev([ |
| 269 | '`Infinity` is an invalid value for the `fontSize` css style property.' + |
| 270 | '\n in div (at **)' + |
| 271 | '\n in Comp (at **)', |
| 272 | ]); |
| 273 | }); |
| 274 | |
| 275 | it('should not add units to CSS custom properties', async () => { |
| 276 | class Comp extends React.Component { |
| 277 | render() { |
| 278 | return <div style={{'--foo': '5'}} />; |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | const container = document.createElement('div'); |
| 283 | const root = ReactDOMClient.createRoot(container); |
| 284 | await act(() => { |
| 285 | root.render(<Comp />); |
| 286 | }); |
| 287 | |
| 288 | expect(container.children[0].style.getPropertyValue('--foo')).toEqual('5'); |
| 289 | }); |
| 290 | }); |