100 lines
3.5 KiB
Markdown
100 lines
3.5 KiB
Markdown
---
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name: web-automation
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description: Browse and scrape web pages using Playwright-compatible CloakBrowser. Use when automating web workflows, extracting rendered page content, handling authenticated sessions, or running multi-step browser flows.
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---
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# Web Automation with CloakBrowser (OpenCode)
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Automated web browsing and scraping using Playwright-compatible CloakBrowser with two execution paths:
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- one-shot extraction via `extract.js`
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- broader stateful automation via `auth.ts`, `browse.ts`, `flow.ts`, `scan-local-app.ts`, and `scrape.ts`
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## Requirements
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- Node.js 20+
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- pnpm
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- Network access to download the CloakBrowser binary on first use
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## First-Time Setup
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```bash
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cd ~/.config/opencode/skills/web-automation/scripts
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pnpm install
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npx cloakbrowser install
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pnpm approve-builds
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pnpm rebuild better-sqlite3 esbuild
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```
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## Updating CloakBrowser
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```bash
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cd ~/.config/opencode/skills/web-automation/scripts
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pnpm up cloakbrowser playwright-core
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npx cloakbrowser install
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pnpm approve-builds
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pnpm rebuild better-sqlite3 esbuild
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```
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## Prerequisite Check (MANDATORY)
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Before running automation, verify CloakBrowser and Playwright Core are installed and wired correctly.
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```bash
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cd ~/.config/opencode/skills/web-automation/scripts
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node check-install.js
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```
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If the check fails, stop and return:
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"Missing dependency/config: web-automation requires `cloakbrowser` and `playwright-core` with CloakBrowser-based scripts. Run setup in this skill, then retry."
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If runtime fails with missing native bindings for `better-sqlite3` or `esbuild`, run:
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```bash
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cd ~/.config/opencode/skills/web-automation/scripts
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pnpm approve-builds
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pnpm rebuild better-sqlite3 esbuild
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```
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## When To Use Which Command
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- Use `node extract.js "<URL>"` for a one-shot rendered fetch with JSON output.
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- Use `npx tsx scrape.ts ...` when you need markdown extraction, Readability cleanup, or selector-based scraping.
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- Use `npx tsx browse.ts ...`, `auth.ts`, or `flow.ts` when the task needs login handling, persistent sessions, clicks, typing, screenshots, or multi-step navigation.
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- Use `npx tsx scan-local-app.ts` when you need a configurable local-app smoke pass driven by `SCAN_*` and `CLOAKBROWSER_*` environment variables.
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## Quick Reference
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- Install check: `node check-install.js`
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- One-shot JSON extract: `node extract.js "https://example.com"`
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- Browse page: `npx tsx browse.ts --url "https://example.com"`
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- Scrape markdown: `npx tsx scrape.ts --url "https://example.com" --mode main --output page.md`
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- Authenticate: `npx tsx auth.ts --url "https://example.com/login"`
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- Natural-language flow: `npx tsx flow.ts --instruction 'go to https://example.com then click on "Login" then type "user@example.com" in #email then press enter'`
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- Local app smoke scan: `SCAN_BASE_URL=http://localhost:3000 SCAN_ROUTES=/,/dashboard npx tsx scan-local-app.ts`
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## Local App Smoke Scan
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`scan-local-app.ts` is intentionally generic. Configure it with environment variables instead of editing the file:
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- `SCAN_BASE_URL`
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- `SCAN_LOGIN_PATH`
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- `SCAN_USERNAME`
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- `SCAN_PASSWORD`
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- `SCAN_USERNAME_SELECTOR`
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- `SCAN_PASSWORD_SELECTOR`
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- `SCAN_SUBMIT_SELECTOR`
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- `SCAN_ROUTES`
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- `SCAN_REPORT_PATH`
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- `SCAN_HEADLESS`
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If `SCAN_USERNAME` or `SCAN_PASSWORD` are omitted, the script falls back to `CLOAKBROWSER_USERNAME` and `CLOAKBROWSER_PASSWORD`.
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## Notes
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- Sessions persist in CloakBrowser profile storage.
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- Use `--wait` for dynamic pages.
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- Use `--mode selector --selector "..."` for targeted extraction.
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- `extract.js` keeps a bounded stealth/rendered fetch path without needing a long-lived automation session.
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