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Colby Mchenry
e7be363f95
A vendored minified script (`*.min.js`, or a script of a few enormous lines - the same detection #2122 uses to rank them last) keeps mangled one-letter names, so a name match from any other file is coincidence: healthchecks' 369 `$(...)` jQuery calls went to a helper inside bootstrap-native.min.js, TestBox's popper.min.js to jquery.min.js internals, flaskbb's docs script to its vendors bundle. Such files' symbols are no longer visible across files by name; calls inside a bundle still resolve. healthchecks -460, flaskbb -48, TestBox -36; bat, lodash, minimal-mistakes, netbox, express, excalidraw unchanged. Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
48 lines
1.8 KiB
TypeScript
48 lines
1.8 KiB
TypeScript
/**
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* A vendored minified script's names are mangled, so no other file's call
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* means one of them by name: healthchecks' 369 `$(…)` calls — jQuery, loaded
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* as a global — went to a one-letter helper inside bootstrap-native.min.js.
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* Detected by name (`*.min.js`) or by text (a few enormous lines).
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*/
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import { describe, it, expect, afterAll, beforeAll } from 'vitest';
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import * as fs from 'fs';
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import * as os from 'os';
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import * as path from 'path';
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import { CodeGraph } from '../src';
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let root = '';
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let cg: CodeGraph;
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beforeAll(async () => {
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root = fs.mkdtempSync(path.join(os.tmpdir(), 'cg-minified-'));
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const bundle = `!function(){${Array.from({ length: 120 }, (_, i) => `function f${i}(e,t){return e+t+${i}}`).join(';')};function u(e){return f1(e,2)}}();\n`;
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const files: Record<string, string> = {
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'static/js/vendor.min.js': `function $(e){return document.querySelector(e)}function q(e){return $(e)}\n`,
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'static/js/bundle.js': bundle.repeat(4),
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'static/js/app.js': `function init() {
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$("#edit-name").click(function () {});
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u("x");
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}
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`,
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};
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for (const [rel, content] of Object.entries(files)) {
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fs.mkdirSync(path.dirname(path.join(root, rel)), { recursive: true });
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fs.writeFileSync(path.join(root, rel), content);
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}
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cg = await CodeGraph.init(root, { index: true });
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});
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afterAll(() => {
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cg?.close();
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if (root) fs.rmSync(root, { recursive: true, force: true });
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});
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describe('calls into minified scripts', () => {
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it('never resolve by name from another file', () => {
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const ids = cg.getNodesInFile('static/js/app.js').map((n) => n.id);
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const targets = cg.getOutgoingEdgesFrom(ids).filter((e) => e.kind === 'calls').map((e) => cg.getNode(e.target)!.filePath);
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expect(targets).not.toContain('static/js/vendor.min.js');
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expect(targets).not.toContain('static/js/bundle.js');
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});
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});
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