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convert_camel_case_to_snake_case.js
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convert_camel_case_to_snake_case.js
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let testFolder = [];
const fs = require('fs');
const testAnnotationString = '@Test';
process.argv.forEach(function (val, index, array) {
if (index >= 2) {
testFolder.push(val);
}
});
function getFiles(dir, files_) {
files_ = files_ || [];
let files = fs.readdirSync(dir);
for (let i in files) {
let name = dir + '/' + files[i];
if (fs.statSync(name).isDirectory()) {
getFiles(name, files_);
} else {
changeFileMethodName(name);
files_.push(name);
}
}
return files_;
}
function changeToSnakeCase(camelCaseMethod) {
const camelCaseString = camelCaseMethod.substring(
camelCaseMethod.indexOf("void") + 4,
camelCaseMethod.indexOf("()")
).trim();
const snakeCaseString = camelCaseString.split('').map((character) => {
if (/[A-Z]/.test(character)) {
return `_${character.toLowerCase()}`;
}
return character;
}).join('');
const snakeCaseMethod = camelCaseMethod.replace(camelCaseString, snakeCaseString);
return snakeCaseMethod;
}
function changeFileMethodName(file) {
fs.readFile(file, 'utf8', function (err, data) {
if (err) {
return console.log(err);
}
if (!data.includes(testAnnotationString)) {
return;
}
const result = data.split(testAnnotationString).map((method, index) => {
if (index !== 0) {
return changeToSnakeCase(method);
}
return method;
}).join(testAnnotationString);
fs.writeFile(file, result, 'utf8', function (err) {
if (err) return console.log(err);
});
});
}
console.log('start converting');
testFolder.forEach(getFiles);
console.log('convert success!');