vue项目换环境以后无法启动_修复支持可选链操作符?_invalid expression: Unexpected token ? in---vue工作笔记0029

 先说一下这个问题原因是,本地安装的node.js版本太低了,应该保持在14.0以上

vue我们可以升级到 2.7.0 版本,同时 node 版本升级到 14.0.0

 ERROR  Failed to compile with 6 errors                                                              2:16:03 PM

 error  in ./src/views/system/rawData/views.vue?vue&type=template&id=394f6ccb

Module Error (from ./node_modules/vue-loader/lib/loaders/templateLoader.js):
(Emitted value instead of an instance of Error)

  Errors compiling template:

  duplicate attribute: :total

  117|                            stripe
  118|                    -                 :total="obj?.total"
  119|                    +                 :total="obj && obj.total"
     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
vscode可选链表达式npm run dev 启动报错 ERROR Failed to compile with 5 errors 16:33:53 error in ./src/views/rule/index.vue?vue&type=template&id=8942b3ce&scoped=true Module Error (from ./node_modules/vue-loader/lib/loaders/templateLoader.js): (Emitted value instead of an instance of Error) Errors compiling template: invalid expression: Unexpected token '.' in !item.ocrContent?.includes('<em>') Raw expression: v-if="!item.ocrContent?.includes('<em>')" 116| <div v-html="item.name"></div> 117| </div> 118| <div style="width: 1600px;" class="ocrContent" v-if="!item.ocrContent?.includes('<em>')"> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 119| 摘要:<span 120| v-html="item.ocrContent?.length > 160 ?item.ocrContent.substring(0,260) + '...': item.ocrContent"></span> invalid expression: Unexpected token '.' in item.ocrContent?.length > 160 ?item.ocrContent.substring(0,260) + '...': item.ocrContent Raw expression: v-html="item.ocrContent?.length > 160 ?item.ocrContent.substring(0,260) + '...': item.ocrContent" 117| </div> 118| <div style="width: 1600px;" class="ocrContent" v-if="!item.ocrContent?.includes('<em>')"> 119| 摘要:<span | 120| v-html="item.ocrContent?.length > 160 ?item.ocrContent.substring(0,260) + '...': item.ocrContent"></span> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 121| </div> invalid expression: Unexpected token '.' in libraryData.filter(x => x.id == item.status)[0]?.name Raw expression: v-html="libraryData.filter(x => x.id == item.status)[0]?.name" 138| </span> 139| <span style="width: 200px;"> 140| 法规库:<span v-html="libraryData.filter(x => x.id == item.status)[0]?.name"></span> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 141| </span> 142| <span style="width: 150px;"> invalid expression: Unexpected token '.' in levelData.filter(x => x.id == item.level)[0]?.name Raw expression: v-html="levelData.filter(x => x.id == item.level)[0]?.name" 141| </span> 142| <span style="width: 150px;"> 143| 层级:<span v-html="levelData.filter(x => x.id == item.level)[0]?.name"></span> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 144| </span> 145| <span style="width: 270px;"> @ ./src/views/rule/index.vue?vue&type=template&id=8942b3ce&scoped=true 1:0-527 1:0-527 @ ./src/views/rule/index.vue @ ./src lazy ^\.\/.*\.vue$ namespace object @ ./src/router/index.js @ ./src/main.js @ multi (webpack)-dev-server/client?http://172.16.0.172:8080&sockPath=/sockjs-node (webpack)/hot/dev-server.js ./src/main.js error in ./src/views/index/pageNew.vue?vue&type=template&id=2038c2aa&scoped=true Module Error (from ./node_modules/vue-loader/lib/loaders/templateLoader.js): (Emitted value instead of an instance of Error) Errors compiling template: invalid expression: Unexpected token '.' in !item.ocrContent?.includes('<em>') Raw expression: v-if="!item.ocrContent?.includes('<em>')" 72 | <div style="font-style: italic;font-weight: bold;" v-html="item.name"></div> 73 | </div> 74 | <div style="width: 1090px;" class="ocrContent" v-if="!item.ocrContent?.includes('<em>')"> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 75 | 摘要:<span 76 | v-html="item.ocrContent?.length > 160 ?item.ocrContent.substring(0,160) + '...': item.ocrContent"></span> invalid expression: Unexpected token '.' in item.ocrContent?.length > 160 ?item.ocrContent.substring(0,160) + '...': item.ocrContent Raw expression: v-html="item.ocrContent?.length > 160 ?item.ocrContent.substring(0,160) + '...': item.ocrContent" 73 | </div> 74 | <div style="width: 1090px;" class="ocrContent" v-if="!item.ocrContent?.includes('<em>')"> 75 | 摘要:<span | 76 | v-html="item.ocrContent?.length > 160 ?item.ocrContent.substring(0,160) + '...': item.ocrContent"></span> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 77 | </div> invalid expression: Unexpected token '.' in libraryData.filter(x => x.id == item.status)[0]?.name Raw expression: v-html="libraryData.filter(x => x.id == item.status)[0]?.name" 94 | </span> 95 | <span style="width: 200px;"> 96 | 法规库:<span v-html="libraryData.filter(x => x.id == item.status)[0]?.name"></span> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 97 | </span> 98 | <span style="width: 150px;"> invalid expression: Unexpected token '.' in levelData.filter(x => x.id == item.level)[0]?.name Raw expression: v-html="levelData.filter(x => x.id == item.level)[0]?.name" 97 | </span> 98 | <span style="width: 150px;"> 99 | 层级:<span v-html="levelData.filter(x => x.id == item.level)[0]?.name"></span> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 100| </span> 101| <span style="width: 270px;"> @ ./src/views/index/pageNew.vue?vue&type=template&id=2038c2aa&scoped=true 1:0-529 1:0-529 @ ./src/views/index/pageNew.vue @ ./src lazy ^\.\/.*\.vue$ namespace object @ ./src/router/index.js @ ./src/main.js @ multi (webpack)-dev-server/client?http://172.16.0.172:8080&sockPath=/sockjs-node (webpack)/hot/dev-server.js ./src/main.js报错
08-20
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