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index.js
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var package = require('./package.json');
const fs = require('fs');
const os = require('os');
var fileArr = [];
const dirArr = ['./sitdownrts/', './sitdownrts/dist/html/']
const InsertLine = '<meta name="version" content="' + package.version + '">';
var LF, LFL;
const platform = os.platform();
if (platform === 'win32') {
LF = '\r\n';
LFL = 2;
} else {
LF = '\n';
LFL = 1;
}
class operateFile {
constructor(fileName) {
this.fileName = fileName;
this.fileData = ''
this.input = fs.createReadStream(fileName)
}
readLines() {
let remaining = '';
this.input.on('data', (data) => {
remaining += data;
var index = remaining.indexOf(LF);
var last = 0;
while (index > -1) {
let line = remaining.slice(last, index);
last = index + LFL;
this.saveLine(line);
index = remaining.indexOf(LF, last);
}
remaining = remaining.slice(last);
});
this.input.on('end', () => {
if (remaining.length > 0) {
this.saveLine(remaining);
};
this.writeAgain(this.fileData);
})
}
saveLine(line) {
this.fileData = this.fileData + line + LF;
if (line == '<head>') {
this.fileData = this.fileData + InsertLine + LF;
}
};
writeAgain(data) {
let output = fs.createWriteStream(this.fileName, { encoding: 'utf8' });
output.write(data);
output.end();
}
}
function filterFile(arr, p) {
arr.forEach((file) => {
var s = fs.statSync(p + file);
let split = file.split('.')
let fileType = split[split.length - 1]
if (s.isFile() && (fileType == 'html' || fileType == 'jsp')) {
let d = new operateFile(p + file);
d.readLines();
}
});
};
for (let i = 0, l = dirArr.length; i < l; i++) {
let p = dirArr[i];
let files = fs.readdirSync(p);
filterFile(files, p);
}