1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 | // 하나의 구성 요소로 다양한 크기의 제목을 표시하려는 경우 다음 구성 요소를 정의 할 수 있습니다. // src/index.js : Vue.component("variable-heading", { template: "#variable-heading-template", props: { size: { type: Number, required: true } } });new Vue({ el: "#app" }); index.html : <!DOCTYPE html> <html> <head> <title>App</title> <meta charset="UTF-8" /> <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script> </head> <body> <script type="text/x-template" id="variable-heading-template"> <h1 v-if="size === 1"> <slot></slot> </h1> <h2 v-else-if="size === 2"> <slot></slot> </h2> <h3 v-else-if="size === 3"> <slot></slot> </h3> <h4 v-else-if="size === 4"> <slot></slot> </h4> <h5 v-else-if="size === 5"> <slot></slot> </h5> <h6 v-else-if="size === 6"> <slot></slot> </h6> </script> <div id="app"> <variable-heading :size="1">foo</variable-heading> </div> <script src="src/index.js"></script> </body> </html> // 렌더링 함수를 사용해서 코드 수정 // src/index.js : Vue.component("variable-heading", { props: { size: { type: Number, required: true } }, render(createElement) { return createElement(`h${this.size}`, this.$slots.default); } });new Vue({ el: "#app" }); index.html : <!DOCTYPE html> <html> <head> <title>App</title> <meta charset="UTF-8" /> <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script> </head> <body> <div id="app"> <variable-heading :size="1">foo</variable-heading> </div> <script src="src/index.js"></script> </body> </html> // Vue는 DOM 트리를 조작하고 렌더링하므로 우리가 직접 처리하지 않아도됩니다. // For example, we can create a component with a render function as follows: Vue.component("variable-heading", { data() { return { msg: "hi" }; }, render(createElement) { return createElement("p", this.msg); } }); // createElement Arguments // The Data Object // 1. class class: { foo: true, bar: false } // 2. style style: { color: 'yello', fontSize: '12px' }, // 3.attrs attrs: { id: 'foo' } // 4. props props: { foo: 'bar' } // 5.domProps domProps: { innerHTML: 'foo' } // 6.on on: { click: this.clickHandler } // 7.directives directives: [ { name: 'custom-directive', value: '2', expression: '1 + 1', arg: 'foo', modifiers: { bar: true } } ], // 8.scopedSlots and slot scopedSlots: { default: props => createElement('span', props.text) } /* Full Example We can set the properties above as in the example below: */ // src/index.js : Vue.component("anchor-text-block", { render(createElement) { const [slot] = this.$slots.default; const headingId = slot.text.toLowerCase().replace(/ /g, "-");return createElement("div", [ createElement( "a", { attrs: { name: headingId, href: `#${headingId}` } }, this.$slots.default ), createElement( "p", { style: { color: "green", fontSize: this.fontSize } }, this.paragraphText ) ]); }, props: { fontSize: { type: Number, required: true }, paragraphText: { type: String, required: true } } });new Vue({ el: "#app" }); index.html : <!DOCTYPE html> <html> <head> <title>App</title> <meta charset="UTF-8" /> <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script> </head> <body> <div id="app"> <anchor-text-block paragraph-text="foo" :font-size="12" >link</anchor-text-block > </div> <script src="src/index.js"></script> </body> </html> | cs |
2020년 5월 11일 월요일
Vue.js Render Functions
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