| 1 | import { createHash } from "node:crypto"; |
| 2 | import { readFileSync } from "node:fs"; |
| 3 | import { dirname, resolve } from "node:path"; |
| 4 | import { fileURLToPath } from "node:url"; |
| 5 | |
| 6 | export type { RefInput, ResolveInput, ResolvedElement, ResolveFailure, ResolveOutput, SelectInput, SelectOutput, LocateOutput, IdentityInput } from "./pageActions.js"; |
| 7 | |
| 8 | export const SNAPSHOT_SCRIPT_SOURCE = "pageSnapshot"; |
| 9 | export const RESOLVE_SCRIPT_SOURCE = "pageResolve"; |
| 10 | export const SELECT_SCRIPT_SOURCE = "pageSelect"; |
| 11 | export const FOCUS_SCRIPT_SOURCE = "pageFocus"; |
| 12 | export const IDENTITY_SCRIPT_SOURCE = "pageIdentity"; |
| 13 | export const LOCATE_SCRIPT_SOURCE = "pageLocate"; |
| 14 | |
| 15 | let cachedSource: string | undefined; |
| 16 | |
| 17 | export function pageRuntimeSource(): string { |
| 18 | if (cachedSource !== undefined) return cachedSource; |
| 19 | const directory = typeof __dirname === "string" ? __dirname : resolve(dirname(fileURLToPath(import.meta.url)), "../../../dist"); |
| 20 | const source = readFileSync(resolve(directory, "browser-page.js"), "utf8"); |
| 21 | const manifest = JSON.parse(readFileSync(resolve(directory, "browser-page.json"), "utf8")) as { version?: number; sha256?: string }; |
| 22 | if (manifest.version !== 1 || manifest.sha256 !== createHash("sha256").update(source).digest("hex")) { |
| 23 | throw new Error("browser page runtime integrity check failed"); |
| 24 | } |
| 25 | cachedSource = source; |
| 26 | return source; |
| 27 | } |
| 28 | |
| 29 | export function scriptCall(method: string, input: unknown): string { |
| 30 | if (!/^page[A-Za-z]+$/.test(method)) throw new Error("invalid browser page method"); |
| 31 | return `/* reasonix:${method} */ (() => {\n${pageRuntimeSource()}\nreturn ReasonixPageRuntime[${JSON.stringify(method)}](${JSON.stringify(input)});\n})()`; |
| 32 | } |
| 33 |