42 lines
1004 B
JavaScript
42 lines
1004 B
JavaScript
"use strict";
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//
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// BEFORE:
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// eval("require")("./path/to/file")
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// eval("require")(identifier)
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//
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// AFTER:
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// require("./file")
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// require(identifier)
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//
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module.exports = function(babel) {
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const t = babel.types;
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return {
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visitor: {
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CallExpression(path) {
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const node = path.node;
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if (isEvalRequire(node)) {
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let arg = node.arguments[0];
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if (t.isLiteral(arg) && arg.value.startsWith(".")) {
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const value = "." + arg.value.substring(arg.value.lastIndexOf("/"));
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arg = t.stringLiteral(value);
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}
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path.replaceWith(t.callExpression(t.identifier("require"), [arg]));
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}
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}
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}
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};
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function isEvalRequire(node) {
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return (
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t.isCallExpression(node.callee) &&
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node.arguments.length === 1 &&
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t.isIdentifier(node.callee.callee, { name: "eval" }) &&
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node.callee.arguments.length === 1 &&
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t.isLiteral(node.callee.arguments[0], { value: "require" })
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);
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}
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};
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