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    Notes on Node.js

    Last updated: 2022-04-29 15:55:42
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      Node.js Version Selection

      Currently, the following versions of Node.js programming language are supported:

      • Node.js 16.13
      • Node.js 14.18
      • Node.js 12.16
      • Node.js 10.15
      • Node.js 8.9 (deactivating soon)
      • Node.js 6.10 (deactivating soon)

      You can choose a desired runtime environment when creating a function.

      Environment Variables

      The environment variables built in the current Node.js runtime environment are as shown in the table below:

      Node.js Version Environment Variable Key Specific Value or Value Source
      Node.js 16.13 NODE_PATH /var/user:/var/user/node_modules:/var/lang/node16/lib/node_modules:/opt:/opt/node_modules
      Node.js 14.18 NODE_PATH /var/user:/var/user/node_modules:/var/lang/node14/lib/node_modules:/opt:/opt/node_modules
      Node.js 12.16 NODE_PATH /var/user:/var/user/node_modules:/var/lang/node12/lib/node_modules:/opt:/opt/node_modules
      Node.js 10.15 NODE_PATH /var/user:/var/user/node_modules:/var/lang/node10/lib/node_modules:/opt:/opt/node_modules
      Node.js 8.9 NODE_PATH /var/user:/var/user/node_modules:/var/lang/node8/lib/node_modules:/opt:/opt/node_modules
      Node.js 6.10 NODE_PATH /var/user:/var/user/node_modules:/var/lang/node6/lib/node_modules:/opt:/opt/node_modules

      For more information on environment variables, see Environment Variables.

      Included Library and Usage

      Note：

      For Node.js 14.18 and later, the platform no longer has additional built-in dependency libraries. For more information on the dependencies required by code execution, see Dependency Installation and Online Dependency Installation.

      COS SDK

      SCF's runtime environment for Node.js 12.16 or earlier already contains the COS SDK for Node.js, and the specific version is cos-nodejs-sdk-v5.

      The COS SDK can be referenced and used within the code as follows:

      var COS = require('cos-nodejs-sdk-v5');

      For more information on how to use the COS SDK, see COS SDK for Node.js.

      Built-in library in environment

      The following libraries are supported in Node.js runtime:

      Library NameVersion
      cos-nodejs-sdk-v52.5.20
      base64-js1.3.1
      buffer5.5.0
      crypto-browserify3.12.0
      ieee7541.1.13
      imagemagick0.1.3
      isarray2.0.5
      jmespath0.15.0
      lodash4.17.15
      microtime3.0.0
      npm6.13.4
      punycode2.1.1
      puppeteer2.1.1
      qcloudapi-sdk0.2.1
      querystring0.2.0
      request2.88.2
      sax1.2.4
      scf-nodejs-serverlessdb-sdk1.1.0
      tencentcloud-sdk-nodejs3.0.147
      url0.11.0
      uuid7.0.3
      xml2js0.4.23
      xmlbuilder15.1.0
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