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62
app_vue/node_modules/log-update/index.js
generated
vendored
Normal file
62
app_vue/node_modules/log-update/index.js
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'use strict';
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const ansiEscapes = require('ansi-escapes');
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const cliCursor = require('cli-cursor');
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const wrapAnsi = require('wrap-ansi');
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const getWidth = stream => {
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const columns = stream.columns;
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if (!columns) {
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return 80;
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}
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// Windows appears to wrap a character early
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// I hate Windows so much
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if (process.platform === 'win32') {
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return columns - 1;
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}
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return columns;
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};
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const main = (stream, options) => {
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options = Object.assign({
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showCursor: false
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}, options);
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let prevLineCount = 0;
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const render = function () {
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if (!options.showCursor) {
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cliCursor.hide();
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}
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let out = [].join.call(arguments, ' ') + '\n';
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out = wrapAnsi(out, getWidth(stream), {
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trim: false,
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hard: true,
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wordWrap: false
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});
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stream.write(ansiEscapes.eraseLines(prevLineCount) + out);
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prevLineCount = out.split('\n').length;
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};
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render.clear = () => {
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stream.write(ansiEscapes.eraseLines(prevLineCount));
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prevLineCount = 0;
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};
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render.done = () => {
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prevLineCount = 0;
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if (!options.showCursor) {
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cliCursor.show();
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}
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};
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return render;
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};
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module.exports = main(process.stdout);
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module.exports.stderr = main(process.stderr);
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module.exports.create = main;
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