class-fields

问题 I'm current developing an API on Node 12.14.1 and using Eslint to help me write the code. Unfortunately it does not allow me to set static class properties as shown below: class AuthManager { static PROP = 'value' } The following error is given: Parsing error: Unexpected token =eslint Static class properties are already supported on JS and on Node. How can this rule be disable? I also have the following .eslintrc.json file: { "env": { "es6": true, "node": true }, "extends": "eslint

问题 I'm current developing an API on Node 12.14.1 and using Eslint to help me write the code. Unfortunately it does not allow me to set static class properties as shown below: class AuthManager { static PROP = 'value' } The following error is given: Parsing error: Unexpected token =eslint Static class properties are already supported on JS and on Node. How can this rule be disable? I also have the following .eslintrc.json file: { "env": { "es6": true, "node": true }, "extends": "eslint

问题 I'm current developing an API on Node 12.14.1 and using Eslint to help me write the code. Unfortunately it does not allow me to set static class properties as shown below: class AuthManager { static PROP = 'value' } The following error is given: Parsing error: Unexpected token =eslint Static class properties are already supported on JS and on Node. How can this rule be disable? I also have the following .eslintrc.json file: { "env": { "es6": true, "node": true }, "extends": "eslint

问题 I see this a lot in ES6 React code class Foo extends React.Component { bar = () => { console.log("bar") } baz() { console.log("baz") } } Seems like they both define methods bar and baz on Foo but how are they different. 回答1: The declarations differ in how the function are written and the context of this , In the first syntax bar = () => { console.log("bar") } the function is written using Arrow function syntax. An arrow function does not have its own this ; the this value of the enclosing

来源： https://stackoverflow.com/questions/47517149/unexpected-token-for-class-properties-in-node-8-4

来源： https://stackoverflow.com/questions/47517149/unexpected-token-for-class-properties-in-node-8-4

来源： https://stackoverflow.com/questions/47517149/unexpected-token-for-class-properties-in-node-8-4