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天文台pc/tianwentai-ui/node_modules/@babel/helper-module-transforms/lib/dynamic-import.js 1.71 KB
bc518174   王天杨   提交两个项目文件
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  "use strict";
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.buildDynamicImport = buildDynamicImport;
  var _core = require("@babel/core");
  exports.getDynamicImportSource = function getDynamicImportSource(node) {
    const [source] = node.arguments;
    return _core.types.isStringLiteral(source) || _core.types.isTemplateLiteral(source) ? source : _core.template.expression.ast`\`\${${source}}\``;
  };
  function buildDynamicImport(node, deferToThen, wrapWithPromise, builder) {
    const specifier = _core.types.isCallExpression(node) ? node.arguments[0] : node.source;
    if (_core.types.isStringLiteral(specifier) || _core.types.isTemplateLiteral(specifier) && specifier.quasis.length === 0) {
      if (deferToThen) {
        return _core.template.expression.ast`
          Promise.resolve().then(() => ${builder(specifier)})
        `;
      } else return builder(specifier);
    }
    const specifierToString = _core.types.isTemplateLiteral(specifier) ? _core.types.identifier("specifier") : _core.types.templateLiteral([_core.types.templateElement({
      raw: ""
    }), _core.types.templateElement({
      raw: ""
    })], [_core.types.identifier("specifier")]);
    if (deferToThen) {
      return _core.template.expression.ast`
        (specifier =>
          new Promise(r => r(${specifierToString}))
            .then(s => ${builder(_core.types.identifier("s"))})
        )(${specifier})
      `;
    } else if (wrapWithPromise) {
      return _core.template.expression.ast`
        (specifier =>
          new Promise(r => r(${builder(specifierToString)}))
        )(${specifier})
      `;
    } else {
      return _core.template.expression.ast`
        (specifier => ${builder(specifierToString)})(${specifier})
      `;
    }
  }
  
  //# sourceMappingURL=dynamic-import.js.map