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Add stdin support to import-sort-cli #125

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Add stdin support to import-sort-cli #125

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51 changes: 34 additions & 17 deletions packages/import-sort-cli/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,14 @@ Usage: import-sort [OPTION]... [FILE/GLOB]...
)
.boolean("with-node-modules")

.describe("stdin", "Read from stdin.")
.boolean("stdin")
.conflicts("stdin", "write")
.implies("stdin", "stdin-filepath")

.describe("stdin-filepath", "Assumed path to file when read from stdin.")
.string("stdin-filepath")

// tslint:disable-next-line:no-var-requires
.version(require("../package.json").version)
.alias("version", "v")
Expand All @@ -43,7 +51,12 @@ const listDifferent = argv["list-different"];
const writeFiles = argv.write;
const ignoreNodeModules = !argv["with-node-modules"];

if (filePatterns.length === 0) {
const {stdin, "stdin-filepath": stdinFilepath} = argv;

if (
(stdin && (stdinFilepath === "" || stdinFilepath === undefined)) ||
(!stdin && filePatterns.length === 0)
) {
yargs.showHelp();
process.exit(1);
}
Expand All @@ -55,23 +68,27 @@ if (ignoreNodeModules) {
]);
}

let filePaths;
let filePaths: string[] = [];

try {
filePaths = globby
// @ts-ignore
.sync(filePatterns, {dot: true, expandDirectories: false})
.map(filePath => path.relative(process.cwd(), filePath));
} catch (e) {
console.error("Invalid file patterns");
process.exit(2);
}
if (stdin) {
filePaths = [stdinFilepath as string];
} else {
try {
filePaths = globby
// @ts-ignore
.sync(filePatterns, {dot: true, expandDirectories: false})
.map(filePath => path.relative(process.cwd(), filePath));
} catch (e) {
console.error("Invalid file patterns");
process.exit(2);
}

if (filePaths.length === 0) {
console.error(
`No files found for the given patterns: ${filePatterns.join(", ")}`,
);
process.exit(2);
if (filePaths.length === 0) {
console.error(
`No files found for the given patterns: ${filePatterns.join(", ")}`,
);
process.exit(2);
}
}

for (const filePath of filePaths) {
Expand All @@ -84,7 +101,7 @@ for (const filePath of filePaths) {
continue;
}

const unsortedCode = readFileSync(filePath).toString("utf8");
const unsortedCode = readFileSync(stdin ? 0 : filePath).toString("utf8");

const {parser, style, config: rawConfig} = config;
let sortResult: ISortResult | undefined;
Expand Down