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2026-05-25 16:41:08 +07:00

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#!/bin/bash
# ╔═══════════════════════════════════════════════════════════════════╗
# ║ cdp-helpers.sh — Chrome DevTools Protocol Helpers ║
# ╠═══════════════════════════════════════════════════════════════════╣
# ║ Source this file for CDP interaction with React Native apps: ║
# ║ source "$(dirname "$0")/../../lib/cdp-helpers.sh" ║
# ║ ║
# ║ Provides: ║
# ║ • CDP evaluation (cdp_eval, cdp_eval_safe) ║
# ║ • Navigation (cdp_navigate, cdp_navigate_tab) ║
# ║ • State queries (cdp_get_route, cdp_get_state) ║
# ║ • Auto-discovery (CDP target, navigation module) ║
# ║ ║
# ║ Requires: Node.js, 'ws' npm package, Metro dev server running ║
# ╚═══════════════════════════════════════════════════════════════════╝
set -euo pipefail
# ── Source configuration ─────────────────────────────────────────────
CDP_HELPERS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
CDP_QA_ROOT="$(cd "$CDP_HELPERS_DIR/../.." && pwd)"
# Only source config if not already loaded
if [ -z "${QA_AUTOMATION_DIR:-}" ]; then
source "$CDP_QA_ROOT/qa.config.sh"
fi
# ── CDP State ────────────────────────────────────────────────────────
_CDP_WS_URL_RESOLVED=""
_CDP_NAV_MODULE_ID=""
# ── CDP Auto-Discovery ──────────────────────────────────────────────
# Ensure we have a CDP WebSocket URL
_ensure_cdp_ws_url() {
if [ -n "$_CDP_WS_URL_RESOLVED" ]; then
echo "$_CDP_WS_URL_RESOLVED"
return 0
fi
local ws_url
ws_url=$(qa_detect_cdp_ws_url 2>/dev/null || echo "")
if [ -n "$ws_url" ]; then
_CDP_WS_URL_RESOLVED="$ws_url"
echo "$ws_url"
return 0
fi
# Last resort: construct from config
if [ "$CDP_WS_URL" != "auto" ] && [ -n "$CDP_WS_URL" ]; then
_CDP_WS_URL_RESOLVED="$CDP_WS_URL"
echo "$CDP_WS_URL"
return 0
fi
echo ""
return 1
}
# Ensure we have a navigation module ID
_ensure_nav_module_id() {
if [ -n "$_CDP_NAV_MODULE_ID" ]; then
echo "$_CDP_NAV_MODULE_ID"
return 0
fi
# Check cache
if [ -f "$NAV_MODULE_CACHE" ]; then
local cached
cached=$(cat "$NAV_MODULE_CACHE" 2>/dev/null || echo "")
if [ -n "$cached" ]; then
_CDP_NAV_MODULE_ID="$cached"
echo "$cached"
return 0
fi
fi
# Auto-detect
local module_id
module_id=$(qa_detect_nav_module 2>/dev/null || echo "")
if [ -n "$module_id" ]; then
_CDP_NAV_MODULE_ID="$module_id"
echo "$module_id"
return 0
fi
echo ""
return 1
}
# ── Core CDP Functions ───────────────────────────────────────────────
# Execute JavaScript in the React Native Hermes runtime via CDP.
# Usage: cdp_eval "javascript expression"
# Returns: the evaluated result
cdp_eval() {
local expression="$1"
local ws_url
ws_url=$(_ensure_cdp_ws_url)
if [ -z "$ws_url" ]; then
echo '{"error":"no CDP WebSocket URL"}'
return 1
fi
cd "$PROJECT_DIR"
node -e "
const WebSocket=require('ws');
const ws=new WebSocket('$ws_url');
ws.on('open',()=>{
ws.send(JSON.stringify({
id:1,
method:'Runtime.evaluate',
params:{
expression: \`$expression\`,
returnByValue:true
}
}));
});
ws.on('message',d=>{
const m=JSON.parse(d);
if(m.id===1){
if(m.result?.result?.value) console.log(m.result.result.value);
else if(m.result?.exceptionDetails) console.error('CDP Error:', m.result.exceptionDetails.text);
else console.log(JSON.stringify(m.result));
ws.close();
process.exit(0);
}
});
ws.on('error',e=>{console.error('WS Error:',e.message);process.exit(1)});
setTimeout(()=>{console.error('CDP Timeout');process.exit(1)},8000);
" 2>&1
}
# Safe CDP eval — suppresses ErrorUtils/LogBox during execution.
# Use for any eval that touches Metro modules or could trigger side effects.
# Usage: cdp_eval_safe "javascript expression"
cdp_eval_safe() {
local expression="$1"
cdp_eval "
(function() {
var _origHandler = globalThis.ErrorUtils ? ErrorUtils.getGlobalHandler() : null;
var _origCE = console.error;
if (globalThis.ErrorUtils) ErrorUtils.setGlobalHandler(function() {});
console.error = function() {};
try {
return (function() { $expression })();
} finally {
if (globalThis.ErrorUtils && _origHandler) ErrorUtils.setGlobalHandler(_origHandler);
console.error = _origCE;
}
})();
"
}
# ── Navigation Functions ─────────────────────────────────────────────
# Navigate to a screen by name.
# Usage: cdp_navigate "ScreenName" [params_json]
cdp_navigate() {
local screen="$1"
local params="${2:-}"
local nav_id
nav_id=$(_ensure_nav_module_id)
if [ -z "$nav_id" ]; then
echo '{"error":"navigation module not found"}'
return 1
fi
if [ -n "$params" ]; then
cdp_eval "
const ref = __r(${nav_id}).navigationRef;
ref.current.navigate('${screen}', ${params});
JSON.stringify({ ok: true, route: ref.current.getCurrentRoute()?.name });
"
else
cdp_eval "
const ref = __r(${nav_id}).navigationRef;
ref.current.navigate('${screen}');
JSON.stringify({ ok: true, route: ref.current.getCurrentRoute()?.name });
"
fi
}
# Navigate to a bottom tab screen.
# Usage: cdp_navigate_tab "ScreenName"
cdp_navigate_tab() {
local tab="$1"
local nav_id
nav_id=$(_ensure_nav_module_id)
if [ -z "$nav_id" ]; then
echo '{"error":"navigation module not found"}'
return 1
fi
cdp_eval "
const ref = __r(${nav_id}).navigationRef;
ref.current.navigate('${TAB_NAVIGATOR_NAME}', { screen: '${tab}' });
JSON.stringify({ ok: true, route: ref.current.getCurrentRoute()?.name });
"
}
# Get current route name.
# Usage: route=$(cdp_get_route)
cdp_get_route() {
local nav_id
nav_id=$(_ensure_nav_module_id)
if [ -z "$nav_id" ]; then
echo "unknown"
return 1
fi
cdp_eval "
const ref = __r(${nav_id}).navigationRef;
ref.current.getCurrentRoute()?.name || 'unknown';
"
}
# Get full navigation state as JSON.
cdp_get_state() {
local nav_id
nav_id=$(_ensure_nav_module_id)
if [ -z "$nav_id" ]; then
echo '{"error":"navigation module not found"}'
return 1
fi
cdp_eval "
const ref = __r(${nav_id}).navigationRef;
const state = ref.current.getRootState();
function getRoutes(s, depth) {
let routes = [];
if (s.routes) {
for (const r of s.routes) {
routes.push({name: r.name, depth});
if (r.state) routes = routes.concat(getRoutes(r.state, depth+1));
}
}
return routes;
}
JSON.stringify({
current: ref.current.getCurrentRoute()?.name,
routes: getRoutes(state, 0)
});
"
}
# Go back in navigation.
cdp_go_back() {
local nav_id
nav_id=$(_ensure_nav_module_id)
if [ -z "$nav_id" ]; then
echo "error: no nav module"
return 1
fi
cdp_eval "
const ref = __r(${nav_id}).navigationRef;
if (ref.current.canGoBack()) {
ref.current.goBack();
'went back to: ' + ref.current.getCurrentRoute()?.name;
} else {
'cannot go back';
}
"
}
# Reset navigation to initial state.
cdp_reset_navigation() {
local nav_id
nav_id=$(_ensure_nav_module_id)
if [ -z "$nav_id" ]; then
echo "error: no nav module"
return 1
fi
cdp_eval "
const ref = __r(${nav_id}).navigationRef;
ref.current.reset({
index: 0,
routes: [{ name: 'Main', state: { routes: [{ name: '${TAB_NAVIGATOR_NAME}' }] } }]
});
'reset to ${TAB_NAVIGATOR_NAME}';
"
}
# ── Convenience Tab Navigation ───────────────────────────────────────
# These use the screen names from qa.config.sh
nav_tab_1() { [ -n "$SCREEN_EXPLORE" ] && cdp_navigate_tab "$SCREEN_EXPLORE" || echo "SCREEN_EXPLORE not configured"; }
nav_tab_2() { [ -n "$SCREEN_SEARCH" ] && cdp_navigate_tab "$SCREEN_SEARCH" || echo "SCREEN_SEARCH not configured"; }
nav_tab_3() { [ -n "$SCREEN_HOME" ] && cdp_navigate_tab "$SCREEN_HOME" || echo "SCREEN_HOME not configured"; }
nav_tab_4() { echo "Tab 4 not configured — set SCREEN name and add to cdp-helpers.sh"; }
nav_tab_5() { [ -n "$SCREEN_PROFILE" ] && cdp_navigate_tab "$SCREEN_PROFILE" || echo "SCREEN_PROFILE not configured"; }
# Generic by name
nav_explore() { nav_tab_1; }
nav_search() { nav_tab_2; }
nav_home() { nav_tab_3; }
nav_profile() { nav_tab_5; }
# ── Utility Functions ────────────────────────────────────────────────
# Check if user is logged in (heuristic: check current route)
cdp_is_logged_in() {
local route
route=$(cdp_get_route 2>/dev/null || echo "unknown")
if echo "$route" | grep -qiE "login|signup|auth|welcome|launch"; then
echo "false"
else
echo "true"
fi
}
# Clear cached module IDs (force re-discovery on next call)
cdp_clear_cache() {
_CDP_WS_URL_RESOLVED=""
_CDP_NAV_MODULE_ID=""
[ -f "$NAV_MODULE_CACHE" ] && rm -f "$NAV_MODULE_CACHE" 2>/dev/null || true
[ -f "$VIDEO_MODULE_CACHE" ] && rm -f "$VIDEO_MODULE_CACHE" 2>/dev/null || true
echo "CDP cache cleared"
}
# ── Export Functions ─────────────────────────────────────────────────
export -f cdp_eval cdp_eval_safe 2>/dev/null || true
export -f cdp_navigate cdp_navigate_tab cdp_get_route cdp_get_state 2>/dev/null || true
export -f cdp_go_back cdp_reset_navigation cdp_is_logged_in 2>/dev/null || true
export -f nav_explore nav_search nav_home nav_profile 2>/dev/null || true
export -f cdp_clear_cache 2>/dev/null || true
echo "CDP helpers loaded. WebSocket: ${_CDP_WS_URL_RESOLVED:-auto-detect}"