78 lines
2.1 KiB
TypeScript
78 lines
2.1 KiB
TypeScript
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import { getNodeModulesBinDirPath } from "./nodeModulesBinDirPath";
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import { join as pathJoin } from "path";
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import * as fsPr from "fs/promises";
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import { id } from "tsafe/id";
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import { assert } from "tsafe/assert";
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import chalk from "chalk";
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getIsPrettierAvailable.cache = id<boolean | undefined>(undefined);
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export async function getIsPrettierAvailable(): Promise<boolean> {
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if (getIsPrettierAvailable.cache !== undefined) {
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return getIsPrettierAvailable.cache;
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}
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const nodeModulesBinDirPath = getNodeModulesBinDirPath();
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const prettierBinPath = pathJoin(nodeModulesBinDirPath, "prettier");
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const stats = await fsPr.stat(prettierBinPath).catch(() => undefined);
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const isPrettierAvailable = stats?.isFile() ?? false;
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getIsPrettierAvailable.cache = isPrettierAvailable;
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return isPrettierAvailable;
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}
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type PrettierAndConfig = {
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prettier: typeof import("prettier");
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config: import("prettier").Options | null;
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};
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getPrettierAndConfig.cache = id<PrettierAndConfig | undefined>(undefined);
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export async function getPrettierAndConfig(): Promise<PrettierAndConfig> {
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assert(getIsPrettierAvailable());
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if (getPrettierAndConfig.cache !== undefined) {
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return getPrettierAndConfig.cache;
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}
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const prettier = await import("prettier");
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const prettierAndConfig: PrettierAndConfig = {
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prettier,
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config: await prettier.resolveConfig(pathJoin(getNodeModulesBinDirPath(), ".."))
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};
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getPrettierAndConfig.cache = prettierAndConfig;
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return prettierAndConfig;
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}
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export async function runPrettier(params: {
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sourceCode: string;
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filePath: string;
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}): Promise<string> {
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const { sourceCode, filePath } = params;
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let formattedSourceCode: string;
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try {
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const { prettier, config } = await getPrettierAndConfig();
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formattedSourceCode = await prettier.format(sourceCode, { ...config, filePath });
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} catch (error) {
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console.log(
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chalk.red(
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`You probably need to upgrade the version of prettier in your project`
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)
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);
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throw error;
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}
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return formattedSourceCode;
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}
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