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#!/usr/bin/env deno --allow-run | ||
#!/usr/bin/env deno --allow-run --allow-write | ||
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license. | ||
/** | ||
* This script formats the source files in the repository. | ||
* | ||
* Usage: deno format.ts [--check] | ||
* | ||
* Options: | ||
* --check Checks if the source files are formatted. | ||
*/ | ||
import { args, platform, readAll, exit, run, readFile, writeFile } from "deno"; | ||
import { parse } from "./flags/mod.ts"; | ||
import { prettier, prettierPlugins } from "./prettier/prettier.ts"; | ||
|
||
import { readAll, exit, run } from "deno"; | ||
const encoder = new TextEncoder(); | ||
const decoder = new TextDecoder(); | ||
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async function checkVersion() { | ||
const prettierVersion = run({ | ||
args: ["bash", "-c", "prettier --version"], | ||
stdout: "piped" | ||
// Runs commands in cross-platform way | ||
function xrun(opts) { | ||
return run({ | ||
...opts, | ||
args: platform.os === "win" ? ["cmd.exe", "/c", ...opts.args] : opts.args | ||
}); | ||
const b = await readAll(prettierVersion.stdout); | ||
const s = await prettierVersion.status(); | ||
if (s.code != 0) { | ||
console.log("error calling prettier --version error"); | ||
exit(s.code); | ||
} | ||
|
||
// Gets the source files in the repository | ||
async function getSourceFiles() { | ||
return decoder | ||
.decode( | ||
await readAll( | ||
xrun({ | ||
args: ["git", "ls-files"], | ||
stdout: "piped" | ||
}).stdout | ||
) | ||
) | ||
.trim() | ||
.split(/\r?\n/); | ||
} | ||
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/** | ||
* Checks if the file has been formatted with prettier. | ||
*/ | ||
async function checkFile( | ||
filename: string, | ||
parser: "typescript" | "markdown" | ||
): Promise<boolean> { | ||
const text = decoder.decode(await readFile(filename)); | ||
const formatted = prettier.check(text, { | ||
parser, | ||
plugins: prettierPlugins | ||
}); | ||
|
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if (!formatted) { | ||
// TODO: print some diff info here to show why this failed | ||
console.error(`${filename} ... Not formatted`); | ||
} | ||
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return formatted; | ||
} | ||
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/** | ||
* Formats the given file. | ||
*/ | ||
async function formatFile( | ||
filename: string, | ||
parser: "typescript" | "markdown" | ||
): Promise<void> { | ||
const text = decoder.decode(await readFile(filename)); | ||
const formatted = prettier.format(text, { | ||
parser, | ||
plugins: prettierPlugins | ||
}); | ||
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if (text !== formatted) { | ||
console.log(`Formatting ${filename}`); | ||
await writeFile(filename, encoder.encode(formatted)); | ||
} | ||
const version = new TextDecoder().decode(b).trim(); | ||
const requiredVersion = "1.15"; | ||
if (!version.startsWith(requiredVersion)) { | ||
console.log(`Required prettier version: ${requiredVersion}`); | ||
console.log(`Installed prettier version: ${version}`); | ||
} | ||
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/** | ||
* Checks if the all files have been formatted with prettier. | ||
*/ | ||
async function checkSourceFiles() { | ||
const checks = []; | ||
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(await getSourceFiles()).forEach(file => { | ||
if (/\.ts$/.test(file)) { | ||
checks.push(checkFile(file, "typescript")); | ||
} else if (/\.md$/.test(file)) { | ||
checks.push(checkFile(file, "markdown")); | ||
} | ||
}); | ||
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const results = await Promise.all(checks); | ||
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if (results.every(result => result)) { | ||
exit(0); | ||
} else { | ||
exit(1); | ||
} | ||
} | ||
|
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async function main() { | ||
await checkVersion(); | ||
/** | ||
* Formats the all files with prettier. | ||
*/ | ||
async function formatSourceFiles() { | ||
const formats = []; | ||
|
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const prettier = run({ | ||
args: ["bash", "-c", "prettier --write '**/*.ts' '**/*.md'"] | ||
(await getSourceFiles()).forEach(file => { | ||
if (/\.ts$/.test(file)) { | ||
formats.push(formatFile(file, "typescript")); | ||
} else if (/\.md$/.test(file)) { | ||
formats.push(formatFile(file, "markdown")); | ||
} | ||
}); | ||
const s = await prettier.status(); | ||
exit(s.code); | ||
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await Promise.all(formats); | ||
exit(0); | ||
} | ||
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async function main(opts) { | ||
try { | ||
if (opts.check) { | ||
await checkSourceFiles(); | ||
} else { | ||
await formatSourceFiles(); | ||
} | ||
} catch (e) { | ||
console.log(e); | ||
exit(1); | ||
} | ||
} | ||
|
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main(); | ||
main(parse(args)); |
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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license. | ||
import "./standalone.js"; | ||
import "./parser_typescript.js"; | ||
import "./parser_markdown.js"; | ||
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// TODO: provide decent type declarions for these | ||
const { prettier, prettierPlugins } = window as any; | ||
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export { prettier, prettierPlugins }; |
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