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refactor to single write per update 

throttle unimportant updates
This commit is contained in:
Tobias Koppers 2019-07-26 13:36:16 +02:00
parent f29991bda4
commit cae07597f6
1 changed files with 16 additions and 10 deletions
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26
lib/ProgressPlugin.js
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@ -68,8 +68,8 @@ const createDefaultHandler = profile => {
const diff = now - lastStateTime;
if (diff >= 1) {
const stateMsg = `${diff}ms ${lastState}`;
goToLineStart(stateMsg);
process.stderr.write(stateMsg + "\n");
goToLineStartAndWrite(stateMsg);
process.stderr.write("\n");
lineCaretPosition = 0;
}
}
@ -78,14 +78,13 @@ const createDefaultHandler = profile => {
}
}
if (lastMessage !== msg) {
goToLineStart(msg);
msg = msg.substring(0, maxLineLength);
process.stderr.write(msg);
goToLineStartAndWrite(msg);
lastMessage = msg;
}
};
const goToLineStart = nextMessage => {
const goToLineStartAndWrite = nextMessage => {
let str = "";
for (; lineCaretPosition > nextMessage.length; lineCaretPosition--) {
str += "\b \b";
@ -94,7 +93,7 @@ const createDefaultHandler = profile => {
str += "\b";
}
lineCaretPosition = nextMessage.length;
if (str) process.stderr.write(str);
if (str) process.stderr.write(str + nextMessage);
};
return defaultHandler;
@ -193,6 +192,11 @@ class ProgressPlugin {
let doneModules = 0;
let doneEntries = 0;
const activeModules = new Set();
let lastUpdate = 0;
const updateThrottled = () => {
if (lastUpdate + 500 < Date.now()) update();
};
const update = () => {
/** @type {string[]} */
@ -214,11 +218,12 @@ class ProgressPlugin {
items.push(lastActiveModule);
}
handler(percentage, "building", ...items);
lastUpdate = Date.now();
};
const moduleAdd = module => {
moduleCount++;
if (moduleCount % 100 === 0) update();
if (moduleCount % 100 === 0) updateThrottled();
};
const moduleBuild = module => {
@ -234,7 +239,7 @@ class ProgressPlugin {
const entryAdd = (entry, name) => {
entriesCount++;
if (entriesCount % 10 === 0) update();
if (entriesCount % 10 === 0) updateThrottled();
};
const moduleDone = module => {
@ -248,11 +253,12 @@ class ProgressPlugin {
for (const m of activeModules) {
lastActiveModule = m;
}
if (doneModules % 100 !== 0) update();
update();
return;
}
}
}
if (doneModules % 100 === 0) update();
if (doneModules % 100 === 0) updateThrottled();
};
const entryDone = (entry, name) => {