kopia lustrzana https://github.com/Tldraw/Tldraw
119 wiersze
4.2 KiB
TypeScript
119 wiersze
4.2 KiB
TypeScript
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import * as vscode from 'vscode'
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/**
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* Get the static html used for the editor webviews.
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*
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* IMPORTANT: Notice that how this runs while developing is much different than
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* when deployed, review below to understand the differences.
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*/
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export function getHtmlForWebview(
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context: vscode.ExtensionContext,
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webview: vscode.Webview,
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document: vscode.TextDocument
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): string {
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// For now we're going to tread badly formed .tldr files as freshly created files.
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// This will happen if say a user creates a new .tldr file using New File or if they
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// have a bad auto-merge that messes up the json of an existing .tldr file
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// We pass null as the initialDocument value if we can't parse as json.
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let documentContent
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try {
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JSON.parse(document.getText())
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documentContent = document.getText()
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} catch (error) {
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documentContent = 'null'
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}
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if(process.env.NODE_ENV === 'production'){
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return getProductionModeHTML(context, webview, documentContent);
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} else {
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return getDevModeHTML(context, webview, documentContent)
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}
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}
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/**
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* In development we're leveraging the create-react-app based tooling to have niceties like
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* live reload while developing the extension. The trick/hack is while the VS Code extension
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* API requires an html content string to bootstrap the webview, if we provide the create-react-app
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* page source as the content it will load all the right javascript files that handle live reloading
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* and such.
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*
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* WARNING: This assumes the create-react-app's initial payload is unchanging, this may not be
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* true when we do npm package updates of 'react-scripts' et al.
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*/
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function getDevModeHTML(
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context: vscode.ExtensionContext,
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webview: vscode.Webview,
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documentContent: string
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): string {
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const host = 'http://localhost:5420'
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return `
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<link rel="stylesheet" href="${host}/index.css" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>TLDraw</title>
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</head>
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<body>
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<div id="root"></div>
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<noscript>You need to enable JavaScript to run this app.</noscript>
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<script>currentFile = ${documentContent};</script>
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<script src="${host}/index.js"></script>
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</body>
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</html>`
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}
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/**
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* WARNING!!!: This is not complete/working except when manually edited, which we've done once to successfully
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* create a sideloadable vscode extension installer.
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*
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* For production mode we load the code/html from a statically built version of the create-react-app that hosts
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* the tldraw/tldraw component based web app.
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*
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* TODO: In order to automate making this work, we'll need to somehow provide the extension the URLs of the
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* build generated javascript/css files, their names change based on hashes of content at build time. I'm
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* very out of date/rusty on my Typescript/React build tool ecosystem, so I've spun my tires a bit trying
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* to figure out a non hacky way to do this. There is a asset-manifest.json file that includes the file
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* paths, so
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* 1) We need a way to fetch those during the build step,
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* 2) ...or we need to figure out how to detect when we're running in production and read from the
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* manifest file synchronously in this function. I suspect there is a chance expecting file access,
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* especially synchronous file access will make the extension incompatible with the Github Codespaces
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* client/server model
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*/
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function getProductionModeHTML(
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context: vscode.ExtensionContext,
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webview: vscode.Webview,
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documentContent: string
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): string {
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const cssUrl = webview.asWebviewUri(
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vscode.Uri.joinPath(context.extensionUri, 'editor/', 'index.css')
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)
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const jsUrl = webview.asWebviewUri(
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vscode.Uri.joinPath(context.extensionUri, 'editor/', 'index.js')
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)
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console.log("production mode");
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return `
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<link rel="stylesheet" href="${cssUrl}" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>TLDraw</title>
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</head>
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<body>
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<div id="root"></div>
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<noscript>You need to enable JavaScript to run this app.</noscript>
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<script>currentFile = ${documentContent};</script>
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<script src="${jsUrl}""></script>
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</body>
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</html>
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`
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}
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