84 lines
2.5 KiB
JavaScript
84 lines
2.5 KiB
JavaScript
/*
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This is the linter script that lints snippets.
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Run using `npm run linter`.
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You might have to run `npm i -g semistandard` for this script to run properly.
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*/
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const fs = require('fs-extra');
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const cp = require('child_process');
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const path = require('path');
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const chalk = require('chalk');
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const prettier = require('prettier');
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const SNIPPETS_PATH = './snippets';
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const TEMP_PATH = './temp';
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const codeRE = /```js([\s\S]*?)```/g;
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console.time('lint');
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try {
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const snippets = fs.readdirSync(SNIPPETS_PATH)
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.sort((a, b) => a.toLowerCase() - b.toLowerCase())
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// turn it into an object so we can add data to it to be used in a different scope
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.map(name => ({ name }));
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if (!fs.existsSync(TEMP_PATH)) {
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fs.mkdirSync(TEMP_PATH);
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}
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for (const snippet of snippets) {
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snippet.data = fs.readFileSync(path.join(SNIPPETS_PATH, snippet.name), 'utf8');
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snippet.tempNames = [];
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snippet.code = [];
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let match = codeRE.exec(snippet.data);
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// make a counter so we write the definition + example code blocks to a different file
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let counter = 0;
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while (match) {
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snippet.code.push(match[1]); // capture group
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snippet.tempNames.push(snippet.name.replace('.md', counter));
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match = codeRE.exec(snippet.data);
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counter++;
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}
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snippet.code.forEach((str, i) => {
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fs.writeFileSync(`${TEMP_PATH}/${snippet.tempNames[i]}.js`, str);
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});
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}
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cp.exec(`semistandard "${TEMP_PATH}" --fix`, {}, (err, stdout, stderr) => {
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// Loop through each snippet now that semistandard has done its job,
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// run prettier and write to the files
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for (const snippet of snippets) {
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// an array to store each linted code block (definition + example)
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const lintedCode = [];
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for (const tempName of snippet.tempNames) {
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let data = fs.readFileSync(`${TEMP_PATH}/${tempName}.js`, 'utf8');
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// prettier sometimes throws an error..
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try {
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data = prettier.format(data, {
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printWidth: 100,
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singleQuote: true
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});
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} catch (e) {}
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lintedCode.push(data);
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fs.unlink(`${TEMP_PATH}/${tempName}.js`);
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}
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// We replace each ```js ``` code block with the newly linted code
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let index = 0;
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snippet.data = snippet.data.replace(codeRE, () => '```js\n' + lintedCode[index++] + '```');
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fs.writeFileSync(path.join(SNIPPETS_PATH, snippet.name), snippet.data);
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}
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fs.removeSync(TEMP_PATH);
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console.timeEnd('lint');
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});
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} catch (err) {
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console.log(`${chalk.red('ERROR!')} During linting: ${err}`);
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process.exit(1);
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}
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