vue hello world项目
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const babel = require("./babel-core.cjs");
const maybeParse = require("./maybeParse.cjs");
const {
getVisitorKeys,
getTokLabels
} = require("./ast-info.cjs");
const {
normalizeBabelParseConfig,
normalizeBabelParseConfigSync
} = require("./configuration.cjs");
module.exports = function handleMessage(action, payload) {
switch (action) {
case "GET_VERSION":
return babel.version;
case "GET_TYPES_INFO":
return {
FLOW_FLIPPED_ALIAS_KEYS: babel.types.FLIPPED_ALIAS_KEYS.Flow,
VISITOR_KEYS: babel.types.VISITOR_KEYS
};
case "GET_TOKEN_LABELS":
return getTokLabels();
case "GET_VISITOR_KEYS":
return getVisitorKeys();
case "MAYBE_PARSE":
return normalizeBabelParseConfig(payload.options).then(options => maybeParse(payload.code, options));
case "MAYBE_PARSE_SYNC":
{
return maybeParse(payload.code, normalizeBabelParseConfigSync(payload.options));
}
}
throw new Error(`Unknown internal parser worker action: ${action}`);
};