Merge branch 'dev' of http://gitlab.pmf.kg.ac.rs/igrannonica/neuronstellar into logo

1 files changed, 175 insertions, 0 deletions

diff --git a/sandbox/testAppNevena/Front/node_modules/inquirer/lib/utils/screen-manager.js b/sandbox/testAppNevena/Front/node_modules/inquirer/lib/utils/screen-manager.js
new file mode 100644
index 00000000..12412c64
--- /dev/null
+++ b/sandbox/testAppNevena/Front/node_modules/inquirer/lib/utils/screen-manager.js
@@ -0,0 +1,175 @@
+'use strict';
+const _ = {
+  last: require('lodash/last'),
+  flatten: require('lodash/flatten'),
+};
+const util = require('./readline');
+const cliWidth = require('cli-width');
+const stripAnsi = require('strip-ansi');
+const stringWidth = require('string-width');
+const ora = require('ora');
+
+function height(content) {
+  return content.split('\n').length;
+}
+
+function lastLine(content) {
+  return _.last(content.split('\n'));
+}
+
+class ScreenManager {
+  constructor(rl) {
+    // These variables are keeping information to allow correct prompt re-rendering
+    this.height = 0;
+    this.extraLinesUnderPrompt = 0;
+
+    this.rl = rl;
+  }
+
+  renderWithSpinner(content, bottomContent) {
+    if (this.spinnerId) {
+      clearInterval(this.spinnerId);
+    }
+
+    let spinner;
+    let contentFunc;
+    let bottomContentFunc;
+
+    if (bottomContent) {
+      spinner = ora(bottomContent);
+      contentFunc = () => content;
+      bottomContentFunc = () => spinner.frame();
+    } else {
+      spinner = ora(content);
+      contentFunc = () => spinner.frame();
+      bottomContentFunc = () => '';
+    }
+
+    this.spinnerId = setInterval(
+      () => this.render(contentFunc(), bottomContentFunc(), true),
+      spinner.interval
+    );
+  }
+
+  render(content, bottomContent, spinning = false) {
+    if (this.spinnerId && !spinning) {
+      clearInterval(this.spinnerId);
+    }
+
+    this.rl.output.unmute();
+    this.clean(this.extraLinesUnderPrompt);
+
+    /**
+     * Write message to screen and setPrompt to control backspace
+     */
+
+    const promptLine = lastLine(content);
+    const rawPromptLine = stripAnsi(promptLine);
+
+    // Remove the rl.line from our prompt. We can't rely on the content of
+    // rl.line (mainly because of the password prompt), so just rely on it's
+    // length.
+    let prompt = rawPromptLine;
+    if (this.rl.line.length) {
+      prompt = prompt.slice(0, -this.rl.line.length);
+    }
+
+    this.rl.setPrompt(prompt);
+
+    // SetPrompt will change cursor position, now we can get correct value
+    const cursorPos = this.rl._getCursorPos();
+    const width = this.normalizedCliWidth();
+
+    content = this.forceLineReturn(content, width);
+    if (bottomContent) {
+      bottomContent = this.forceLineReturn(bottomContent, width);
+    }
+
+    // Manually insert an extra line if we're at the end of the line.
+    // This prevent the cursor from appearing at the beginning of the
+    // current line.
+    if (rawPromptLine.length % width === 0) {
+      content += '\n';
+    }
+
+    const fullContent = content + (bottomContent ? '\n' + bottomContent : '');
+    this.rl.output.write(fullContent);
+
+    /**
+     * Re-adjust the cursor at the correct position.
+     */
+
+    // We need to consider parts of the prompt under the cursor as part of the bottom
+    // content in order to correctly cleanup and re-render.
+    const promptLineUpDiff = Math.floor(rawPromptLine.length / width) - cursorPos.rows;
+    const bottomContentHeight =
+      promptLineUpDiff + (bottomContent ? height(bottomContent) : 0);
+    if (bottomContentHeight > 0) {
+      util.up(this.rl, bottomContentHeight);
+    }
+
+    // Reset cursor at the beginning of the line
+    util.left(this.rl, stringWidth(lastLine(fullContent)));
+
+    // Adjust cursor on the right
+    if (cursorPos.cols > 0) {
+      util.right(this.rl, cursorPos.cols);
+    }
+
+    /**
+     * Set up state for next re-rendering
+     */
+    this.extraLinesUnderPrompt = bottomContentHeight;
+    this.height = height(fullContent);
+
+    this.rl.output.mute();
+  }
+
+  clean(extraLines) {
+    if (extraLines > 0) {
+      util.down(this.rl, extraLines);
+    }
+
+    util.clearLine(this.rl, this.height);
+  }
+
+  done() {
+    this.rl.setPrompt('');
+    this.rl.output.unmute();
+    this.rl.output.write('\n');
+  }
+
+  releaseCursor() {
+    if (this.extraLinesUnderPrompt > 0) {
+      util.down(this.rl, this.extraLinesUnderPrompt);
+    }
+  }
+
+  normalizedCliWidth() {
+    const width = cliWidth({
+      defaultWidth: 80,
+      output: this.rl.output,
+    });
+    return width;
+  }
+
+  breakLines(lines, width) {
+    // Break lines who're longer than the cli width so we can normalize the natural line
+    // returns behavior across terminals.
+    width = width || this.normalizedCliWidth();
+    const regex = new RegExp('(?:(?:\\033[[0-9;]*m)*.?){1,' + width + '}', 'g');
+    return lines.map((line) => {
+      const chunk = line.match(regex);
+      // Last match is always empty
+      chunk.pop();
+      return chunk || '';
+    });
+  }
+
+  forceLineReturn(content, width) {
+    width = width || this.normalizedCliWidth();
+    return _.flatten(this.breakLines(content.split('\n'), width)).join('\n');
+  }
+}
+
+module.exports = ScreenManager;