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Diffstat (limited to 'std/examples')
28 files changed, 0 insertions, 988 deletions
diff --git a/std/examples/README.md b/std/examples/README.md deleted file mode 100644 index cdc477833..000000000 --- a/std/examples/README.md +++ /dev/null @@ -1,61 +0,0 @@ -# Deno example programs - -This module contains small scripts that demonstrate use of Deno and its standard -module. - -You can run these examples using just their URL or install the example as an -executable script which references the URL. (Think of installing as creating a -bookmark to a program.) - -### A TCP echo server - -```shell -deno run --allow-net https://deno.land/std/examples/echo_server.ts -``` - -Or - -```shell -deno install --allow-net https://deno.land/std/examples/echo_server.ts -``` - -### cat - print file to standard output - -```shell -deno install --allow-read -n deno_cat https://deno.land/std/examples/cat.ts -deno_cat file.txt -``` - -### catj - print flattened JSON to standard output - -A very useful command by Soheil Rashidi ported to Deno. - -```shell -deno install --allow-read https://deno.land/std/examples/catj.ts -catj example.json -catj file1.json file2.json -echo example.json | catj - -``` - -### curl - print the contents of a url to standard output - -```shell -deno run --allow-net=deno.land https://deno.land/std/examples/curl.ts https://deno.land/ -``` - -### gist - easily create and upload Gists - -``` -export GIST_TOKEN=ABC # Generate at https://github.com/settings/tokens -deno install --allow-net --allow-env https://deno.land/std/examples/gist.ts -gist --title "Example gist 1" script.ts -gist --t "Example gist 2" script2.ts -``` - -### chat - WebSocket chat server and browser client - -```shell -deno run --allow-net --allow-read https://deno.land/std/examples/chat/server.ts -``` - -Open http://localhost:8080 on the browser. diff --git a/std/examples/cat.ts b/std/examples/cat.ts deleted file mode 100644 index 04c40034b..000000000 --- a/std/examples/cat.ts +++ /dev/null @@ -1,7 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -const filenames = Deno.args; -for (const filename of filenames) { - const file = await Deno.open(filename); - await Deno.copy(file, Deno.stdout); - file.close(); -} diff --git a/std/examples/cat_test.ts b/std/examples/cat_test.ts deleted file mode 100644 index 9664ff713..000000000 --- a/std/examples/cat_test.ts +++ /dev/null @@ -1,30 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { assertStrictEquals } from "../testing/asserts.ts"; -import { dirname, fromFileUrl } from "../path/mod.ts"; - -const moduleDir = dirname(fromFileUrl(import.meta.url)); - -Deno.test("[examples/cat] print multiple files", async () => { - const decoder = new TextDecoder(); - const process = Deno.run({ - cmd: [ - Deno.execPath(), - "run", - "--quiet", - "--allow-read", - "cat.ts", - "testdata/cat/hello.txt", - "testdata/cat/world.txt", - ], - cwd: moduleDir, - stdout: "piped", - }); - - try { - const output = await process.output(); - const actual = decoder.decode(output).trim(); - assertStrictEquals(actual, "Hello\nWorld"); - } finally { - process.close(); - } -}); diff --git a/std/examples/catj.ts b/std/examples/catj.ts deleted file mode 100644 index 907f14879..000000000 --- a/std/examples/catj.ts +++ /dev/null @@ -1,109 +0,0 @@ -#!/usr/bin/env -S deno run --allow-read -// Ported from: https://github.com/soheilpro/catj -// Copyright (c) 2014 Soheil Rashidi -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. - -// Install using `deno install` -// $ deno install --allow-read https://deno.land/std/examples/catj.ts - -import { parse } from "../flags/mod.ts"; -import * as colors from "../fmt/colors.ts"; - -const decoder = new TextDecoder(); - -// deno-lint-ignore no-explicit-any -function isObject(arg: any): arg is Record<string, unknown> { - return !!arg && arg.constructor === Object; -} - -function isValidIdentifier(value: string): boolean { - // eslint-disable-next-line max-len - return 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- .test( - value, - ); -} - -function printValue(value: unknown, path: string): void { - if (typeof value === "string") { - value = colors.green('"' + value + '"'); - } else if (typeof value === "number") { - value = value.toString(); - } else if (typeof value === "boolean") { - value = colors.yellow(value.toString()); - } - - console.log(path + " = " + value); -} - -function printObject(obj: Record<string, unknown>, path: string): void { - for (const key of Object.keys(obj)) { - const value = obj[key]; - let nodePath = path + colors.cyan(".") + key; - - if (!isValidIdentifier(key)) { - nodePath = (path ? path : colors.cyan(".")) + '["' + key + '"]'; - } - - if (Array.isArray(value)) { - printArray(value, nodePath); - } else if (isObject(value)) { - printObject(value, nodePath); - } else { - printValue(value, nodePath); - } - } -} - -function printArray(array: unknown[], path: string): void { - for (const index in array) { - const value = array[index]; - const nodePath = (path ? path : colors.cyan(".")) + "[" + - colors.cyan(index) + "]"; - - if (Array.isArray(value)) { - printArray(value, nodePath); - } else if (isObject(value)) { - printObject(value, nodePath); - } else { - printValue(value, nodePath); - } - } -} - -// deno-lint-ignore no-explicit-any -function print(data: any[] | Record<string, unknown>): void { - if (Array.isArray(data)) { - printArray(data, ""); - } else { - printObject(data, ""); - } -} - -if (import.meta.main) { - const parsedArgs = parse(Deno.args); - - if (parsedArgs.h || parsedArgs.help || parsedArgs._.length === 0) { - console.log("Usage: catj [-h|--help] [file...]"); - console.log(); - console.log("Examples:"); - console.log(); - console.log("// print file:\n catj file.json"); - console.log(); - console.log("// print multiple files:\n catj file1.json file2.json"); - console.log(); - console.log("// print from stdin:\n cat file.json | catj -"); - } - - if (parsedArgs._[0] === "-") { - const contents = await Deno.readAll(Deno.stdin); - const json = JSON.parse(decoder.decode(contents)); - print(json); - } else { - for (const fileName of parsedArgs._) { - const fileContents = await Deno.readFile(fileName.toString()); - const json = JSON.parse(decoder.decode(fileContents)); - print(json); - } - } -} diff --git a/std/examples/catj_test.ts b/std/examples/catj_test.ts deleted file mode 100644 index 365b5c0b7..000000000 --- a/std/examples/catj_test.ts +++ /dev/null @@ -1,98 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { assertStrictEquals } from "../testing/asserts.ts"; -import { dirname, fromFileUrl } from "../path/mod.ts"; - -const moduleDir = dirname(fromFileUrl(import.meta.url)); - -Deno.test("[examples/catj] print an array", async () => { - const decoder = new TextDecoder(); - const process = catj("testdata/catj/array.json"); - try { - const output = await process.output(); - const actual = decoder.decode(output).trim(); - const expected = [ - '.[0] = "string"', - ".[1] = 100", - '.[2].key = "value"', - '.[2].array[0] = "foo"', - '.[2].array[1] = "bar"', - ].join("\n"); - - assertStrictEquals(actual, expected); - } finally { - process.stdin.close(); - process.close(); - } -}); - -Deno.test("[examples/catj] print an object", async () => { - const decoder = new TextDecoder(); - const process = catj("testdata/catj/object.json"); - try { - const output = await process.output(); - const actual = decoder.decode(output).trim(); - const expected = [ - '.string = "foobar"', - ".number = 123", - '.array[0].message = "hello"', - ].join("\n"); - - assertStrictEquals(actual, expected); - } finally { - process.stdin.close(); - process.close(); - } -}); - -Deno.test("[examples/catj] print multiple files", async () => { - const decoder = new TextDecoder(); - const process = catj( - "testdata/catj/simple-object.json", - "testdata/catj/simple-array.json", - ); - try { - const output = await process.output(); - const actual = decoder.decode(output).trim(); - const expected = ['.message = "hello"', ".[0] = 1", ".[1] = 2"].join("\n"); - - assertStrictEquals(actual, expected); - } finally { - process.stdin.close(); - process.close(); - } -}); - -Deno.test("[examples/catj] read from stdin", async () => { - const decoder = new TextDecoder(); - const process = catj("-"); - const input = `{ "foo": "bar" }`; - try { - await process.stdin.write(new TextEncoder().encode(input)); - process.stdin.close(); - const output = await process.output(); - const actual = decoder.decode(output).trim(); - - assertStrictEquals(actual, '.foo = "bar"'); - } finally { - process.close(); - } -}); - -function catj( - ...files: string[] -): Deno.Process<Deno.RunOptions & { stdin: "piped"; stdout: "piped" }> { - return Deno.run({ - cmd: [ - Deno.execPath(), - "run", - "--quiet", - "--allow-read", - "catj.ts", - ...files, - ], - cwd: moduleDir, - stdin: "piped", - stdout: "piped", - env: { NO_COLOR: "true" }, - }); -} diff --git a/std/examples/chat/index.html b/std/examples/chat/index.html deleted file mode 100644 index 2daf288b3..000000000 --- a/std/examples/chat/index.html +++ /dev/null @@ -1,81 +0,0 @@ -<html lang="en"> - <head> - <meta charset="UTF-8" /> - <title>ws chat example</title> - </head> - <body> - <div> - <input type="text" id="input" /> - <button id="sendButton" disabled>send</button> - <button id="connectButton" disabled>connect</button> - <button id="closeButton" disabled>close</button> - </div> - <div id="status"></div> - <ul id="timeline"></ul> - <script> - let ws; - function messageDom(msg) { - const div = document.createElement("li"); - div.className = "message"; - div.innerText = msg; - return div; - } - const timeline = document.getElementById("timeline"); - const sendButton = document.getElementById("sendButton"); - sendButton.onclick = send; - const closeButton =document.getElementById("closeButton"); - closeButton.onclick=close; - const connectButton = document.getElementById("connectButton"); - connectButton.onclick=connect; - const status = document.getElementById("status"); - const input = document.getElementById("input"); - input.addEventListener("keydown", keyDownEvent); - function send() { - const msg = input.value; - ws.send(msg); - applyState({inputValue: ""}); - } - function keyDownEvent(e) { - if (e.keyCode === 13) return send(); - } - function connect() { - if (ws) ws.close(); - ws = new WebSocket(`ws://${location.host}/ws`); - ws.addEventListener("open", () => { - console.log("open", ws); - applyState({connected: true}); - }); - ws.addEventListener("message", ({data}) => { - timeline.appendChild(messageDom(data)); - }); - ws.addEventListener("close", () => { - applyState({connect: false}); - }); - } - function close() { - ws.close(); - applyState({connected: false}); - } - function applyState({connected, status, inputValue}) { - if (inputValue != null) { - input.value = inputValue; - } - if(status != null) { - status.innerText = status; - } - if (connected != null) { - if (connected) { - sendButton.disabled = false; - connectButton.disabled = true; - closeButton.disabled= false; - } else { - sendButton.disabled= true; - connectButton.disabled=false; - closeButton.disabled=true; - } - } - } - connect(); - </script> - </body> -</html> diff --git a/std/examples/chat/server.ts b/std/examples/chat/server.ts deleted file mode 100644 index 39b5ee124..000000000 --- a/std/examples/chat/server.ts +++ /dev/null @@ -1,81 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { listenAndServe } from "../../http/server.ts"; -import { - acceptable, - acceptWebSocket, - isWebSocketCloseEvent, - WebSocket, -} from "../../ws/mod.ts"; -import { fromFileUrl } from "../../path/mod.ts"; - -const clients = new Map<number, WebSocket>(); -let clientId = 0; -function dispatch(msg: string): void { - for (const client of clients.values()) { - client.send(msg); - } -} -async function wsHandler(ws: WebSocket): Promise<void> { - const id = ++clientId; - clients.set(id, ws); - dispatch(`Connected: [${id}]`); - for await (const msg of ws) { - console.log(`msg:${id}`, msg); - if (typeof msg === "string") { - dispatch(`[${id}]: ${msg}`); - } else if (isWebSocketCloseEvent(msg)) { - clients.delete(id); - dispatch(`Closed: [${id}]`); - break; - } - } -} - -listenAndServe({ port: 8080 }, async (req) => { - if (req.method === "GET" && req.url === "/") { - //Serve with hack - const u = new URL("./index.html", import.meta.url); - if (u.protocol.startsWith("http")) { - // server launched by deno run http(s)://.../server.ts, - fetch(u.href).then(async (resp) => { - const body = new Uint8Array(await resp.arrayBuffer()); - return req.respond({ - status: resp.status, - headers: new Headers({ - "content-type": "text/html", - }), - body, - }); - }); - } else { - // server launched by deno run ./server.ts - const file = await Deno.open(fromFileUrl(u)); - req.respond({ - status: 200, - headers: new Headers({ - "content-type": "text/html", - }), - body: file, - }); - } - } - if (req.method === "GET" && req.url === "/favicon.ico") { - req.respond({ - status: 302, - headers: new Headers({ - location: "https://deno.land/favicon.ico", - }), - }); - } - if (req.method === "GET" && req.url === "/ws") { - if (acceptable(req)) { - acceptWebSocket({ - conn: req.conn, - bufReader: req.r, - bufWriter: req.w, - headers: req.headers, - }).then(wsHandler); - } - } -}); -console.log("chat server starting on :8080...."); diff --git a/std/examples/chat/server_test.ts b/std/examples/chat/server_test.ts deleted file mode 100644 index 80a66cb2f..000000000 --- a/std/examples/chat/server_test.ts +++ /dev/null @@ -1,81 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { assert, assertEquals } from "../../testing/asserts.ts"; -import { TextProtoReader } from "../../textproto/mod.ts"; -import { BufReader } from "../../io/bufio.ts"; -import { delay } from "../../async/delay.ts"; -import { dirname, fromFileUrl, resolve } from "../../path/mod.ts"; - -const moduleDir = resolve(dirname(fromFileUrl(import.meta.url))); - -async function startServer(): Promise< - Deno.Process<Deno.RunOptions & { stdout: "piped" }> -> { - const server = Deno.run({ - cmd: [ - Deno.execPath(), - "run", - "--quiet", - "--allow-net", - "--allow-read", - "server.ts", - ], - cwd: moduleDir, - stdout: "piped", - }); - try { - assert(server.stdout != null); - const r = new TextProtoReader(new BufReader(server.stdout)); - const s = await r.readLine(); - assert(s !== null && s.includes("chat server starting")); - } catch (err) { - server.stdout.close(); - server.close(); - } - - return server; -} - -Deno.test({ - name: "[examples/chat] GET / should serve html", - async fn() { - const server = await startServer(); - try { - const resp = await fetch("http://127.0.0.1:8080/"); - assertEquals(resp.status, 200); - assertEquals(resp.headers.get("content-type"), "text/html"); - const html = await resp.text(); - assert(html.includes("ws chat example"), "body is ok"); - } finally { - server.close(); - server.stdout.close(); - } - await delay(10); - }, -}); - -Deno.test({ - name: "[examples/chat] GET /ws should upgrade conn to ws", - async fn() { - const server = await startServer(); - let ws: WebSocket; - try { - ws = new WebSocket("ws://127.0.0.1:8080/ws"); - await new Promise<void>((resolve) => { - ws.onmessage = ((message) => { - assertEquals(message.data, "Connected: [1]"); - ws.onmessage = ((message) => { - assertEquals(message.data, "[1]: Hello"); - ws.close(); - resolve(); - }); - ws.send("Hello"); - }); - }); - } catch (err) { - console.log(err); - } finally { - server.close(); - server.stdout.close(); - } - }, -}); diff --git a/std/examples/colors.ts b/std/examples/colors.ts deleted file mode 100644 index 4af8d9bfa..000000000 --- a/std/examples/colors.ts +++ /dev/null @@ -1,6 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { bgBlue, bold, italic, red } from "../fmt/colors.ts"; - -if (import.meta.main) { - console.log(bgBlue(italic(red(bold("Hello world!"))))); -} diff --git a/std/examples/colors_test.ts b/std/examples/colors_test.ts deleted file mode 100644 index 4e009e329..000000000 --- a/std/examples/colors_test.ts +++ /dev/null @@ -1,22 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { assertStrictEquals } from "../testing/asserts.ts"; -import { dirname, fromFileUrl } from "../path/mod.ts"; - -const moduleDir = dirname(fromFileUrl(import.meta.url)); - -Deno.test("[examples/colors] print a colored text", async () => { - const decoder = new TextDecoder(); - const process = Deno.run({ - cmd: [Deno.execPath(), "run", "--quiet", "colors.ts"], - cwd: moduleDir, - stdout: "piped", - }); - try { - const output = await process.output(); - const actual = decoder.decode(output).trim(); - const expected = "[44m[3m[31m[1mHello world![22m[39m[23m[49m"; - assertStrictEquals(actual, expected); - } finally { - process.close(); - } -}); diff --git a/std/examples/curl.ts b/std/examples/curl.ts deleted file mode 100644 index 2ed194446..000000000 --- a/std/examples/curl.ts +++ /dev/null @@ -1,10 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -const url_ = Deno.args[0]; -const res = await fetch(url_); - -// TODO(ry) Re-enable streaming in this example. -// Originally we did: await Deno.copy(res.body, Deno.stdout); -// But maybe more JS-y would be: res.pipeTo(Deno.stdout); - -const body = new Uint8Array(await res.arrayBuffer()); -await Deno.stdout.write(body); diff --git a/std/examples/curl_test.ts b/std/examples/curl_test.ts deleted file mode 100644 index 6612b17cc..000000000 --- a/std/examples/curl_test.ts +++ /dev/null @@ -1,44 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { serve } from "../http/server.ts"; -import { assertStrictEquals } from "../testing/asserts.ts"; -import { dirname, fromFileUrl } from "../path/mod.ts"; - -const moduleDir = dirname(fromFileUrl(import.meta.url)); - -Deno.test({ - name: "[examples/curl] send a request to a specified url", - fn: async () => { - const server = serve({ port: 8081 }); - const serverPromise = (async (): Promise<void> => { - for await (const req of server) { - req.respond({ body: "Hello world" }); - } - })(); - - const decoder = new TextDecoder(); - const process = Deno.run({ - cmd: [ - Deno.execPath(), - "run", - "--quiet", - "--allow-net", - "curl.ts", - "http://localhost:8081", - ], - cwd: moduleDir, - stdout: "piped", - }); - - try { - const output = await process.output(); - const actual = decoder.decode(output).trim(); - const expected = "Hello world"; - - assertStrictEquals(actual, expected); - } finally { - server.close(); - process.close(); - await serverPromise; - } - }, -}); diff --git a/std/examples/echo_server.ts b/std/examples/echo_server.ts deleted file mode 100644 index 03e0d6070..000000000 --- a/std/examples/echo_server.ts +++ /dev/null @@ -1,8 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -const hostname = "0.0.0.0"; -const port = 8080; -const listener = Deno.listen({ hostname, port }); -console.log(`Listening on ${hostname}:${port}`); -for await (const conn of listener) { - Deno.copy(conn, conn); -} diff --git a/std/examples/echo_server_test.ts b/std/examples/echo_server_test.ts deleted file mode 100644 index 24e0c416b..000000000 --- a/std/examples/echo_server_test.ts +++ /dev/null @@ -1,47 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { assertNotEquals, assertStrictEquals } from "../testing/asserts.ts"; -import { BufReader, ReadLineResult } from "../io/bufio.ts"; -import { dirname, fromFileUrl } from "../path/mod.ts"; - -const moduleDir = dirname(fromFileUrl(import.meta.url)); - -Deno.test("[examples/echo_server]", async () => { - const encoder = new TextEncoder(); - const decoder = new TextDecoder(); - const process = Deno.run({ - cmd: [Deno.execPath(), "run", "--quiet", "--allow-net", "echo_server.ts"], - cwd: moduleDir, - stdout: "piped", - }); - - let conn: Deno.Conn | undefined; - try { - const processReader = new BufReader(process.stdout); - const message = await processReader.readLine(); - - assertNotEquals(message, null); - assertStrictEquals( - decoder.decode((message as ReadLineResult).line).trim(), - "Listening on 0.0.0.0:8080", - ); - - conn = await Deno.connect({ hostname: "127.0.0.1", port: 8080 }); - const connReader = new BufReader(conn); - - await conn.write(encoder.encode("Hello echo_server\n")); - const result = await connReader.readLine(); - - assertNotEquals(result, null); - - const actualResponse = decoder - .decode((result as ReadLineResult).line) - .trim(); - const expectedResponse = "Hello echo_server"; - - assertStrictEquals(actualResponse, expectedResponse); - } finally { - conn?.close(); - process.stdout.close(); - process.close(); - } -}); diff --git a/std/examples/flags.ts b/std/examples/flags.ts deleted file mode 100644 index a452494c5..000000000 --- a/std/examples/flags.ts +++ /dev/null @@ -1,6 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { parse } from "../flags/mod.ts"; - -if (import.meta.main) { - console.dir(parse(Deno.args)); -} diff --git a/std/examples/gist.ts b/std/examples/gist.ts deleted file mode 100755 index 1698ab354..000000000 --- a/std/examples/gist.ts +++ /dev/null @@ -1,61 +0,0 @@ -#!/usr/bin/env -S deno run --allow-net --allow-env -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -// A program to post files to gist.github.com. Use the following to install it: -// deno install -f --allow-env --allow-read --allow-net=api.github.com https://deno.land/std/examples/gist.ts -import { parse } from "../flags/mod.ts"; - -function pathBase(p: string): string { - const parts = p.split("/"); - return parts[parts.length - 1]; -} - -const token = Deno.env.get("GIST_TOKEN"); -if (!token) { - console.error("GIST_TOKEN environmental variable not set."); - console.error("Get a token here: https://github.com/settings/tokens"); - Deno.exit(1); -} - -const parsedArgs = parse(Deno.args); - -if (parsedArgs._.length === 0) { - console.error( - "Usage: gist.ts --allow-env --allow-net [-t|--title Example] some_file " + - "[next_file]", - ); - Deno.exit(1); -} - -const files: Record<string, { content: string }> = {}; -for (const filename of parsedArgs._) { - const base = pathBase(filename as string); - const content = await Deno.readFile(filename as string); - const contentStr = new TextDecoder().decode(content); - files[base] = { content: contentStr }; -} - -const content = { - description: parsedArgs.title || parsedArgs.t || "Example", - public: false, - files: files, -}; -const body = JSON.stringify(content); - -const res = await fetch("https://api.github.com/gists", { - method: "POST", - headers: [ - ["Content-Type", "application/json"], - ["User-Agent", "Deno-Gist"], - ["Authorization", `token ${token}`], - ], - body, -}); - -if (res.ok) { - const resObj = await res.json(); - console.log("Success"); - console.log(resObj["html_url"]); -} else { - const err = await res.text(); - console.error("Failure to POST", err); -} diff --git a/std/examples/test.ts b/std/examples/test.ts deleted file mode 100644 index 6afeb221f..000000000 --- a/std/examples/test.ts +++ /dev/null @@ -1,33 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { assertEquals } from "../testing/asserts.ts"; -import { dirname, fromFileUrl, relative, resolve } from "../path/mod.ts"; - -const moduleDir = dirname(fromFileUrl(import.meta.url)); - -/** Example of how to do basic tests */ -Deno.test("t1", function (): void { - assertEquals("hello", "hello"); -}); - -Deno.test("t2", function (): void { - assertEquals("world", "world"); -}); - -/** A more complicated test that runs a subprocess. */ -Deno.test("catSmoke", async function (): Promise<void> { - const p = Deno.run({ - cmd: [ - Deno.execPath(), - "run", - "--quiet", - "--allow-read", - relative(Deno.cwd(), resolve(moduleDir, "cat.ts")), - relative(Deno.cwd(), resolve(moduleDir, "..", "README.md")), - ], - stdout: "null", - stderr: "null", - }); - const s = await p.status(); - assertEquals(s.code, 0); - p.close(); -}); diff --git a/std/examples/test_test.ts b/std/examples/test_test.ts deleted file mode 100644 index c8e3c4ac1..000000000 --- a/std/examples/test_test.ts +++ /dev/null @@ -1,2 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import "./test.ts"; diff --git a/std/examples/testdata/cat/hello.txt b/std/examples/testdata/cat/hello.txt deleted file mode 100644 index e965047ad..000000000 --- a/std/examples/testdata/cat/hello.txt +++ /dev/null @@ -1 +0,0 @@ -Hello diff --git a/std/examples/testdata/cat/world.txt b/std/examples/testdata/cat/world.txt deleted file mode 100644 index 216e97ce0..000000000 --- a/std/examples/testdata/cat/world.txt +++ /dev/null @@ -1 +0,0 @@ -World diff --git a/std/examples/testdata/catj/array.json b/std/examples/testdata/catj/array.json deleted file mode 100644 index 6dac876a0..000000000 --- a/std/examples/testdata/catj/array.json +++ /dev/null @@ -1,5 +0,0 @@ -[ - "string", - 100, - { "key": "value", "array": ["foo", "bar"] } -] diff --git a/std/examples/testdata/catj/object.json b/std/examples/testdata/catj/object.json deleted file mode 100644 index 290c008ff..000000000 --- a/std/examples/testdata/catj/object.json +++ /dev/null @@ -1,6 +0,0 @@ -{ - "string": "foobar", - "number": 123, - "array": [{ "message": "hello" }] -} - diff --git a/std/examples/testdata/catj/simple-array.json b/std/examples/testdata/catj/simple-array.json deleted file mode 100644 index 44e2ace7e..000000000 --- a/std/examples/testdata/catj/simple-array.json +++ /dev/null @@ -1 +0,0 @@ -[1, 2] diff --git a/std/examples/testdata/catj/simple-object.json b/std/examples/testdata/catj/simple-object.json deleted file mode 100644 index 52bb626d8..000000000 --- a/std/examples/testdata/catj/simple-object.json +++ /dev/null @@ -1 +0,0 @@ -{ "message": "hello" } diff --git a/std/examples/welcome.ts b/std/examples/welcome.ts deleted file mode 100644 index f983ca89b..000000000 --- a/std/examples/welcome.ts +++ /dev/null @@ -1 +0,0 @@ -console.log("Welcome to Deno!"); diff --git a/std/examples/welcome_test.ts b/std/examples/welcome_test.ts deleted file mode 100644 index 2e26aa967..000000000 --- a/std/examples/welcome_test.ts +++ /dev/null @@ -1,22 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { assertStrictEquals } from "../testing/asserts.ts"; -import { dirname, fromFileUrl } from "../path/mod.ts"; - -const moduleDir = dirname(fromFileUrl(import.meta.url)); - -Deno.test("[examples/welcome] print a welcome message", async () => { - const decoder = new TextDecoder(); - const process = Deno.run({ - cmd: [Deno.execPath(), "run", "--quiet", "welcome.ts"], - cwd: moduleDir, - stdout: "piped", - }); - try { - const output = await process.output(); - const actual = decoder.decode(output).trim(); - const expected = "Welcome to Deno!"; - assertStrictEquals(actual, expected); - } finally { - process.close(); - } -}); diff --git a/std/examples/xeval.ts b/std/examples/xeval.ts deleted file mode 100644 index cff15edd0..000000000 --- a/std/examples/xeval.ts +++ /dev/null @@ -1,91 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { parse } from "../flags/mod.ts"; -import { readStringDelim } from "../io/bufio.ts"; - -// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncFunction. -const AsyncFunction = Object.getPrototypeOf(async function (): Promise<void> {}) - .constructor; - -const HELP_MSG = `xeval - -Run a script for each new-line or otherwise delimited chunk of standard input. - -Print all the usernames in /etc/passwd: - cat /etc/passwd | deno run -A https://deno.land/std/examples/xeval.ts "a = $.split(':'); if (a) console.log(a[0])" - -A complicated way to print the current git branch: - git branch | deno run -A https://deno.land/std/examples/xeval.ts -I 'line' "if (line.startsWith('*')) console.log(line.slice(2))" - -Demonstrates breaking the input up by space delimiter instead of by lines: - cat LICENSE | deno run -A https://deno.land/std/examples/xeval.ts -d " " "if ($ === 'MIT') console.log('MIT licensed')", - -USAGE: - deno run -A https://deno.land/std/examples/xeval.ts [OPTIONS] <code> -OPTIONS: - -d, --delim <delim> Set delimiter, defaults to newline - -I, --replvar <replvar> Set variable name to be used in eval, defaults to $ -ARGS: - <code>`; - -export type XevalFunc = (v: string) => void; - -export interface XevalOptions { - delimiter?: string; -} - -const DEFAULT_DELIMITER = "\n"; - -export async function xeval( - reader: Deno.Reader, - xevalFunc: XevalFunc, - { delimiter = DEFAULT_DELIMITER }: XevalOptions = {}, -): Promise<void> { - for await (const chunk of readStringDelim(reader, delimiter)) { - // Ignore empty chunks. - if (chunk.length > 0) { - await xevalFunc(chunk); - } - } -} - -async function main(): Promise<void> { - const parsedArgs = parse(Deno.args, { - boolean: ["help"], - string: ["delim", "replvar"], - alias: { - delim: ["d"], - replvar: ["I"], - help: ["h"], - }, - default: { - delim: DEFAULT_DELIMITER, - replvar: "$", - }, - }); - if (parsedArgs._.length != 1) { - console.error(HELP_MSG); - console.log(parsedArgs._); - Deno.exit(1); - } - if (parsedArgs.help) { - return console.log(HELP_MSG); - } - - const delimiter = parsedArgs.delim; - const replVar = parsedArgs.replvar; - const code = parsedArgs._[0]; - - // new AsyncFunction()'s error message for this particular case isn't great. - if (!replVar.match(/^[_$A-z][_$A-z0-9]*$/)) { - console.error(`Bad replvar identifier: "${replVar}"`); - Deno.exit(1); - } - - const xEvalFunc = new AsyncFunction(replVar, code); - - await xeval(Deno.stdin, xEvalFunc, { delimiter }); -} - -if (import.meta.main) { - main(); -} diff --git a/std/examples/xeval_test.ts b/std/examples/xeval_test.ts deleted file mode 100644 index 4793c6346..000000000 --- a/std/examples/xeval_test.ts +++ /dev/null @@ -1,72 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { xeval } from "./xeval.ts"; -import { StringReader } from "../io/readers.ts"; -import { decode, encode } from "../encoding/utf8.ts"; -import { - assert, - assertEquals, - assertStringIncludes, -} from "../testing/asserts.ts"; -import { dirname, fromFileUrl } from "../path/mod.ts"; - -const moduleDir = dirname(fromFileUrl(import.meta.url)); - -Deno.test("xevalSuccess", async function (): Promise<void> { - const chunks: string[] = []; - await xeval(new StringReader("a\nb\nc"), ($): number => chunks.push($)); - assertEquals(chunks, ["a", "b", "c"]); -}); - -Deno.test("xevalDelimiter", async function (): Promise<void> { - const chunks: string[] = []; - await xeval( - new StringReader("!MADMADAMADAM!"), - ($): number => chunks.push($), - { - delimiter: "MADAM", - }, - ); - assertEquals(chunks, ["!MAD", "ADAM!"]); -}); - -const xevalPath = "xeval.ts"; - -Deno.test({ - name: "xevalCliReplvar", - fn: async function (): Promise<void> { - const p = Deno.run({ - cmd: [ - Deno.execPath(), - "run", - "--quiet", - xevalPath, - "--replvar=abc", - "console.log(abc)", - ], - cwd: moduleDir, - stdin: "piped", - stdout: "piped", - stderr: "null", - }); - assert(p.stdin != null); - await p.stdin.write(encode("hello")); - p.stdin.close(); - assertEquals(await p.status(), { code: 0, success: true }); - assertEquals(decode(await p.output()).trimEnd(), "hello"); - p.close(); - }, -}); - -Deno.test("xevalCliSyntaxError", async function (): Promise<void> { - const p = Deno.run({ - cmd: [Deno.execPath(), "run", "--quiet", xevalPath, "("], - cwd: moduleDir, - stdin: "null", - stdout: "piped", - stderr: "piped", - }); - assertEquals(await p.status(), { code: 1, success: false }); - assertEquals(decode(await p.output()), ""); - assertStringIncludes(decode(await p.stderrOutput()), "SyntaxError"); - p.close(); -}); |