31 lines
867 B
JavaScript
31 lines
867 B
JavaScript
const fs = require('fs');
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const path = require('path');
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// Generates an array with the output of processing filenames with an expected
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// format (`part-###.md`).
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// ['part-001.md', 'part-002.md'] => [1, 2]
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function getExistingStepNums(projectPath) {
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return fs.readdirSync(projectPath).reduce((stepNums, fileName) => {
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if (
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path.extname(fileName).toLowerCase() === '.md' &&
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!fileName.endsWith('final.md')
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) {
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let stepNum = fileName.split('.')[0].split('-')[1];
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if (!/^\d{3}$/.test(stepNum)) {
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throw (
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`Step not created. File ${fileName} has a step number containing non-digits.` +
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' Please run reorder-steps script first.'
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);
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}
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stepNum = parseInt(stepNum, 10);
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stepNums.push(stepNum);
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}
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return stepNums;
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}, []);
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}
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exports.getExistingStepNums = getExistingStepNums;
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