ZenBrowserMirrors/pdf.js
1
0
Fork 0
mirror of https://github.com/zen-browser/pdf.js.git synced 2025-07-08 09:20:06 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Drop custom confirmation logic in favor of using the built-in Node.js readline module

Browse source 
Most likely this code predates our use of Node.js, but in Node.js asking
for user confirmation is a solved problem, so we can remove the custom
logic we have for this, which overall makes things much simpler.
This commit is contained in:
Tim van der Meij 2021-12-18 15:52:04 +01:00
parent 869b396011
commit a24982a733
No known key found for this signature in database
GPG key ID: 8C3FD2925A5F2762
2 changed files with 13 additions and 83 deletions
Download patch file Download diff file Expand all files Collapse all files

77
test/testutils.js
View file

@ -63,80 +63,3 @@ exports.ensureDirSync = function ensureDirSync(dir) {
i++;
}
};
var stdinBuffer = "",
endOfStdin = false,
stdinInitialized = false;
var stdinOnLineCallbacks = [];
function handleStdinBuffer() {
var callback;
if (endOfStdin) {
if (stdinBuffer && stdinOnLineCallbacks.length > 0) {
callback = stdinOnLineCallbacks.shift();
callback(stdinBuffer);
stdinBuffer = null;
}
while (stdinOnLineCallbacks.length > 0) {
callback = stdinOnLineCallbacks.shift();
callback();
}
return;
}
while (stdinOnLineCallbacks.length > 0) {
var i = stdinBuffer.indexOf("\n");
if (i < 0) {
return;
}
callback = stdinOnLineCallbacks.shift();
var result = stdinBuffer.substring(0, i + 1);
stdinBuffer = stdinBuffer.substring(i + 1);
callback(result);
}
// all callbacks handled, stop stdin processing
process.stdin.pause();
}
function initStdin() {
process.stdin.setEncoding("utf8");
process.stdin.on("data", function (chunk) {
stdinBuffer += chunk;
handleStdinBuffer();
});
process.stdin.on("end", function () {
endOfStdin = true;
handleStdinBuffer();
});
}
exports.prompt = function prompt(message, callback) {
if (!stdinInitialized) {
process.stdin.resume();
initStdin();
stdinInitialized = true;
} else if (stdinOnLineCallbacks.length === 0) {
process.stdin.resume();
}
process.stdout.write(message);
stdinOnLineCallbacks.push(callback);
handleStdinBuffer();
};
exports.confirm = function confirm(message, callback) {
exports.prompt(message, function (answer) {
if (answer === undefined) {
callback();
return;
}
if (answer[0].toLowerCase() === "y") {
callback(true);
} else if (answer[0].toLowerCase() === "n") {
callback(false);
} else {
confirm(message, callback);
}
});
};