TS2307:找不到模块'class-validator'



我正在尝试在打字稿项目中使用类validator模块。但是,当我编译打字稿发出以下警告时:

src/main/ts/domain/Order.ts(1,48): error TS2307: Cannot find module 'class-validator'.

它在抱怨的线路外观:

  import { IsInt, IsNotEmpty, IsDate, Min } from "class-validator";

我有这样的仓库设置:

    var gulp = require('gulp');
    var ts = require('gulp-typescript');
    var tsProject = ts.createProject("tsconfig.json");
    gulp.task('default', function() {
      return tsProject.src()
        .pipe(tsProject())
        .js.pipe(gulp.dest("target/main/js"));
    });

和我的tsconfig.json看起来像这样:

    {
        "files": [
            "src/main/ts/**/*.ts"
        ],
        "compilerOptions": {
            "experimentalDecorators": true,
            "noImplicitAny": true,
            "target": "es6"
        }
    }

想法?

在您的tsconfig.json中设置"moduleResolution": "node"

{
  "compilerOptions": {
    "experimentalDecorators": true,
    "moduleResolution": "node",
    "noImplicitAny": true,
    "target": "es6"
  }
}

您可以在此处找到有关Typescript如何解决导入模块的更多信息:https://www.typescriptlang.org/docs/handbook/module-resolution.html#node

这对我有用: yarn add graphql class-validator type-graphql

来源:https://github.com/michallytek/type-graphql/issues/625#issuecomment-626368051

除了安装class-validator外,还需要为验证器安装打字稿类型。

npm install @types/validator

您需要ti ti install class-validator依赖性,使用此consond:

npm install class-validator

您需要安装呼叫validator和class-transformer软件包

npm i --save class-validator class-transformer

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