46 lines
964 B
JavaScript
46 lines
964 B
JavaScript
'use strict';
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/**
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* Dependencies
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*/
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const fs = require('fs');
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const runProcessors = require('./run-processors');
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/**
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* Helper to process in a single file (async)
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*/
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module.exports = function processAsync(file, processor, config) {
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//Extract relevant config
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const {encoding, dry} = config;
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//Wrap in promise
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return new Promise((resolve, reject) => {
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fs.readFile(file, encoding, (error, contents) => {
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//istanbul ignore if
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if (error) {
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return reject(error);
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}
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//Make replacements
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const [result, newContents] = runProcessors(
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contents, processor, file,
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);
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//Not changed or dry run?
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if (!result.hasChanged || dry) {
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return resolve(result);
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}
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//Write to file
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fs.writeFile(file, newContents, encoding, error => {
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//istanbul ignore if
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if (error) {
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return reject(error);
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}
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resolve(result);
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});
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});
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});
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};
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