/opt/canhelp/node_modules/sucrase/dist/esm/transformers
Edit: /opt/canhelp/node_modules/sucrase/dist/esm/transformers/ReactHotLoaderTransformer.js (1891B)
import {IdentifierRole, isTopLevelDeclaration} from "../parser/tokenizer";
import Transformer from "./Transformer";
export default class ReactHotLoaderTransformer extends Transformer {
__init() {this.extractedDefaultExportName = null}
constructor( tokens, filePath) {
super();this.tokens = tokens;this.filePath = filePath;ReactHotLoaderTransformer.prototype.__init.call(this);;
}
setExtractedDefaultExportName(extractedDefaultExportName) {
this.extractedDefaultExportName = extractedDefaultExportName;
}
getPrefixCode() {
return `
(function () {
var enterModule = require('react-hot-loader').enterModule;
enterModule && enterModule(module);
})();`
.replace(/\s+/g, " ")
.trim();
}
getSuffixCode() {
const topLevelNames = new Set();
for (const token of this.tokens.tokens) {
if (
!token.isType &&
isTopLevelDeclaration(token) &&
token.identifierRole !== IdentifierRole.ImportDeclaration
) {
topLevelNames.add(this.tokens.identifierNameForToken(token));
}
}
const namesToRegister = Array.from(topLevelNames).map((name) => ({
variableName: name,
uniqueLocalName: name,
}));
if (this.extractedDefaultExportName) {
namesToRegister.push({
variableName: this.extractedDefaultExportName,
uniqueLocalName: "default",
});
}
return `
;(function () {
var reactHotLoader = require('react-hot-loader').default;
var leaveModule = require('react-hot-loader').leaveModule;
if (!reactHotLoader) {
return;
}
${namesToRegister
.map(
({variableName, uniqueLocalName}) =>
` reactHotLoader.register(${variableName}, "${uniqueLocalName}", ${JSON.stringify(
this.filePath || "",
)});`,
)
.join("\n")}
leaveModule(module);
})();`;
}
process() {
return false;
}
}