e988a88af0
* Prevent parseForESLint() behavior from changing after parse() is called (fixes https://github.com/babel/babel-eslint/issues/558, fixes https://github.com/eslint/eslint/issues/9767) * Avoid using the enhanced referencer after monkeypatching * Chore: add test for babel/babel-eslint#558 * Pass correct scope analyzer options * fix escope patch and improve tests * remove process.exit(1)
42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
// Checks if the source ast implements the target ast. Ignores extra keys on source ast
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module.exports = function assertImplementsAST(target, source, path) {
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if (!path) {
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path = [];
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}
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function error(text) {
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var err = new Error(`At ${path.join(".")}: ${text}:`);
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err.depth = path.length + 1;
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throw err;
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}
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var typeA = target === null ? "null" : typeof target;
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var typeB = source === null ? "null" : typeof source;
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if (typeA !== typeB) {
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error(
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`have different types (${typeA} !== ${typeB}) (${target} !== ${source})`
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);
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} else if (
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typeA === "object" &&
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["RegExp"].indexOf(target.constructor.name) !== -1 &&
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target.constructor.name !== source.constructor.name
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) {
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error(
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`object have different constructors (${target.constructor
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.name} !== ${source.constructor.name}`
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);
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} else if (typeA === "object") {
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var keysTarget = Object.keys(target);
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for (var i in keysTarget) {
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var key = keysTarget[i];
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path.push(key);
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assertImplementsAST(target[key], source[key], path);
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path.pop();
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}
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} else if (target !== source) {
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error(
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`are different (${JSON.stringify(target)} !== ${JSON.stringify(source)})`
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);
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}
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};
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