40 lines
1006 B
JavaScript
40 lines
1006 B
JavaScript
import getReferenceOrigin from "../utils/get-reference-origin";
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import isFromBabelTypes from "../utils/is-from-babel-types";
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function firstArgumentIsUndefinedString(argumentsArray) {
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return (
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argumentsArray.length > 0 &&
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argumentsArray[0].type === "Literal" &&
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argumentsArray[0].value === "undefined"
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);
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}
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export default {
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meta: {
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schema: [],
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},
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create(context) {
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return {
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CallExpression(node) {
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const { callee } = node;
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const scope = context.getScope();
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const origin = getReferenceOrigin(callee, scope);
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if (!origin) return;
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const { name } = origin;
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if (
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(name === "identifier" || name === "Identifier") &&
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firstArgumentIsUndefinedString(node.arguments) &&
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isFromBabelTypes(origin, scope)
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) {
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context.report(
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node,
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"Use path.scope.buildUndefinedNode() to create an undefined identifier directly.",
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);
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}
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},
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};
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},
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};
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