html output

README.md

@@ -14,10 +14,11 @@
 
 ## Commands
 
-Commands can return one of two types:
+Commands can return one of three types:
 
 - string
 - { error: string }
+- { html: string }
 
 ## Fonts
 

nose/bin/projects.ts

@@ -1,5 +1,9 @@
 import { apps } from "@/webapp"
+import { Thread } from "@/shell"
 
 export default function () {
-    return apps().join(" ")
+    const state = Thread.getStore()
+    if (!state) return { error: "no state" }
+
+    return { html: apps().map(app => app === state.project ? `<b class="cyan">${app}</b>` : app).join(" ") }
 }

src/js/scrollback.ts

@@ -3,9 +3,16 @@
 // input, output, etc
 
 import { scrollback, $$ } from "./dom.js"
+import type { CommandOutput } from "../shared/types.js"
 
 type InputStatus = "waiting" | "streaming" | "ok" | "error"
 
+export function autoScroll() {
+    setTimeout(() => {
+        requestAnimationFrame(() => scrollback.scrollTop = scrollback.scrollHeight)
+    }, 10)
+}
+
 export function addInput(id: string, input: string) {
     const parent = $$("li.input")
     const status = $$("span.status.yellow", "•")
@@ -38,17 +45,34 @@ export function setStatus(id: string, status: InputStatus) {
     }
 }
 
-export function addOutput(id: string, output: string) {
-    const item = $$("li", output)
+export function addOutput(id: string, output: CommandOutput) {
+    const item = $$("li")
     item.classList.add("output")
     item.dataset.id = id
 
+    const [format, content] = processOutput(output)
+
+    if (format === "html")
+        item.innerHTML = content
+    else
+        item.textContent = content
+
     scrollback.append(item)
     autoScroll()
 }
 
-export function autoScroll() {
-    setTimeout(() => {
-        requestAnimationFrame(() => scrollback.scrollTop = scrollback.scrollHeight)
-    }, 10)
+function processOutput(output: CommandOutput): ["html" | "text", string] {
+    let content = ""
+    let html = false
+
+    if (typeof output === "string") {
+        content = output
+    } else if (output.html) {
+        html = true
+        content = output.html
+    } else {
+        content = JSON.stringify(output)
+    }
+
+    return [html ? "html" : "text", content]
 }

src/shared/types.ts

@@ -5,7 +5,9 @@ export type Message = {
     data: CommandResult | string | string[]
 }
 
+export type CommandOutput = string | { html: string }
+
 export type CommandResult = {
     status: "ok" | "error"
-    output: string
+    output: CommandOutput
 }

src/shell.ts

@@ -1,7 +1,7 @@
 ////
 // runs commands and such.
 
-import type { CommandResult } from "./shared/types"
+import type { CommandResult, CommandOutput } from "./shared/types"
 import { join } from "path"
 import { NOSE_SYS_BIN, NOSE_BIN } from "./config"
 import { isFile } from "./utils"
@@ -27,7 +27,7 @@ export async function runCommand(session: string, id: string, input: string): Pr
     }
 
     let status: "ok" | "error" = "ok"
-    let output = ""
+    let output: CommandOutput = ""
 
     let state = sessions.get(session)
     if (!state) {
@@ -46,22 +46,23 @@ export async function runCommand(session: string, id: string, input: string): Pr
     return { status, output }
 }
 
-async function exec(cmd: string, args: string[]): Promise<["ok" | "error", string]> {
+async function exec(cmd: string, args: string[]): Promise<["ok" | "error", CommandOutput]> {
     const module = await import(commandPath(cmd) + "?t+" + Date.now())
 
-    if (!module || !module.default) {
+    if (!module || !module.default)
         return ["error", `${cmd} has no default export`]
-    }
 
-    const output = await module.default(...args)
+    return processExecOutput(await module.default(...args))
+}
 
+function processExecOutput(output: string | any): ["ok" | "error", CommandOutput] {
     if (typeof output === "string") {
         return ["ok", output]
     } else if (typeof output === "object") {
         if (output.error) {
             return ["error", output.error]
         } else {
-            return ["ok", JSON.stringify(output)]
+            return ["ok", output]
         }
     } else {
         return ["ok", String(output)]