module.exports = CommonJSFormatter;
var util = require("../util");
var t = require("../types");
var b = require("../builders");
function CommonJSFormatter(file) {
this.file = file;
}
CommonJSFormatter.prototype.import = function (node, nodes) {
// import "foo";
nodes.push(util.template("require", {
MODULE_NAME: node.source.raw
}, true));
};
CommonJSFormatter.prototype.importSpecifier = function (specifier, node, nodes) {
var variableName = t.getSpecifierName(specifier);
// import foo from "foo";
if (specifier.default) {
specifier.id = b.identifier("default");
}
var templateName = "require-assign";
// import * as bar from "foo";
if (specifier.type !== "ImportBatchSpecifier") templateName += "-key";
nodes.push(util.template(templateName, {
VARIABLE_NAME: variableName,
MODULE_NAME: node.source.raw,
KEY: specifier.id
}));
};
CommonJSFormatter.prototype.export = function (node, nodes) {
var declar = node.declaration;
if (node.default) {
t.ensureExpressionType(declar);
nodes.push(util.template("exports-default", {
VALUE: declar
}, true));
} else {
var id = declar.id;
if (declar.type === "VariableDeclaration") {
id = declar.declarations[0].id;
}
var assign = util.template("exports-assign", {
VALUE: id,
KEY: id
}, true);
nodes.push(declar);
if (declar.type === "FunctionDeclaration") {
assign._blockHoist = true;
}
nodes.push(assign);
}
};
CommonJSFormatter.prototype._exportSpecifier = function (getRef, specifier, node, nodes) {
var variableName = t.getSpecifierName(specifier);
if (node.source) {
if (specifier.type === "ExportBatchSpecifier") {
// export * from "foo";
nodes.push(util.template("exports-wildcard", {
OBJECT: getRef()
}, true));
} else {
// export { foo } from "test";
nodes.push(util.template("exports-assign-key", {
VARIABLE_NAME: variableName.name,
OBJECT: getRef(),
KEY: specifier.id
}, true));
}
} else {
// export { foo };
nodes.push(util.template("exports-assign", {
VALUE: specifier.id,
KEY: variableName
}, true));
}
};
CommonJSFormatter.prototype.exportSpecifier = function (specifier, node, nodes) {
return this._exportSpecifier(function () {
return b.callExpression(b.identifier("require"), [node.source]);
}, specifier, node, nodes);
};
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