52 lines
1.2 KiB
JavaScript
Executable File
52 lines
1.2 KiB
JavaScript
Executable File
#!/usr/bin/env node
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import puppeteer from "puppeteer-core"
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const code = process.argv.slice(2).join(" ")
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if (!code) {
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console.log("Usage: browser-eval.js 'code'")
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console.log("\nExamples:")
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console.log(' browser-eval.js "document.title"')
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console.log(" browser-eval.js \"document.querySelectorAll('a').length\"")
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process.exit(1)
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}
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const b = await puppeteer.connect({
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browserURL: "http://localhost:9222",
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defaultViewport: null,
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})
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const p = (await b.pages()).at(-1)
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if (!p) {
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console.error("✗ No active tab found")
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process.exit(1)
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}
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const result = await p.evaluate((c) => {
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const AsyncFunction = (async () => {}).constructor
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// Try as expression first, fall back to statements
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try {
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return new AsyncFunction(`return (${c})`)()
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} catch {
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return new AsyncFunction(c)()
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}
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}, code)
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if (Array.isArray(result)) {
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for (let i = 0; i < result.length; i++) {
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if (i > 0) console.log("")
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for (const [key, value] of Object.entries(result[i])) {
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console.log(`${key}: ${value}`)
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}
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}
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} else if (typeof result === "object" && result !== null) {
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for (const [key, value] of Object.entries(result)) {
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console.log(`${key}: ${value}`)
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}
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} else {
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console.log(result)
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}
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await b.disconnect()
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