@roadup/smi/src/envReplacePlugin.js

小程序打包器

// const { envs } = require("./envs")
const colors = require("colors")
const types = require("@babel/types")

module.exports = {
    visitor: {
        MemberExpression: {
            enter(path) {
                if (path.get("object").matchesPattern("process.env")) {
                    const key = path.toComputedKey()
                    if (
                        types.isStringLiteral(key) && process.env[key.value]
                    ) {
                        try {
                            path.replaceWith(
                                types.valueToNode(
                                    JSON.parse(process.env[key.value])
                                )
                            )
                        } catch {
                            path.replaceWith(
                                types.valueToNode(
                                    process.env[key.value]
                                )
                            )
                        }
                    } else {
                        console.log(
                            colors.bgRed(colors.white(" ERROR: ")),
                            colors.red(
                                "expect a env " +
                                colors.underline(`\`process.env.${key.value}\``) +
                                " , but it is " +
                                colors.underline(`\`${void 0}\``)
                            )
                        )
                    }
                }
            }
        }
    }
}