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feat(#103): open at scroll on same tab
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| import { existsSync } from 'fs'; | ||
| import { resolve as presolve } from 'path'; | ||
| import config from './parser/config.js'; | ||
| import open from 'open'; | ||
| import { pathToURL, preferredPath } from './utils/path.js'; | ||
| import axios from 'axios'; | ||
|
|
||
| export const address = `http://localhost:${config.port}`; | ||
|
|
||
| const openTarget = async (path: string, scroll: string | undefined) => { | ||
| // scroll position is zero-char seperated because that | ||
| // character is not allowed in file paths | ||
| if (!existsSync(path)) { | ||
| console.error(`File not found: ${path}`); | ||
| return; | ||
| } | ||
|
|
||
| const absolutePath = pathToURL(presolve(path)); | ||
| const absoluteURL = `${address}/viewer${absolutePath}`; | ||
| const preferredURL = `${address}/viewer${preferredPath(absolutePath)}`; | ||
| // if scroll position is provided | ||
| if (scroll !== undefined) { | ||
| // we send scroll request to clients | ||
| const { | ||
| data: { clients }, | ||
| } = await axios.post<{ clients: number }>(absoluteURL, { | ||
| cursor: scroll, | ||
| }); | ||
| // if there were clients, we can just open the plain | ||
| // URL/existing tab because it will have scrolled | ||
| if (!clients) { | ||
| // if not we open a new tab at the scroll position | ||
| await open(preferredURL + `?cursor=${scroll}`); | ||
| return; | ||
| } | ||
| } | ||
| await open(preferredURL, { newInstance: false }); | ||
| }; | ||
|
|
||
| export const handleArgs = async () => { | ||
| try { | ||
| const args = process.argv.slice(2); | ||
| const parsed: { target?: string; scroll?: string } = {}; | ||
| const setArg = (arg: keyof typeof parsed, value: string) => { | ||
| if (parsed[arg]) { | ||
| console.error(`Duplicate argument for "${arg}", skipping`); | ||
| } else { | ||
| parsed[arg] = value; | ||
| } | ||
| }; | ||
|
|
||
| for (let i = 0; i < args.length; i++) { | ||
| const arg = args[i]; | ||
| if (!arg.startsWith('-')) { | ||
| setArg('target', arg); | ||
| continue; | ||
| } | ||
| switch (arg) { | ||
| case '-v': | ||
| case '--version': | ||
| console.log(`vivify-server ${process.env.VERSION ?? 'dev'}`); | ||
| break; | ||
| case '-s': | ||
| case '--scroll': | ||
| setArg('scroll', args[++i]); | ||
| break; | ||
| default: | ||
| console.log(`Unknown option "${arg}"`); | ||
| } | ||
| } | ||
| if (parsed.target) { | ||
| await openTarget(parsed.target, parsed.scroll); | ||
| } | ||
| } finally { | ||
| if (process.env['NODE_ENV'] !== 'development') { | ||
| // - viv executable waits for this string and then stops printing | ||
| // vivify-server's output and terminates | ||
| // - the string itself is not shown to the user | ||
| console.log('STARTUP COMPLETE'); | ||
| } | ||
| } | ||
| }; |
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