chushihua

node_modules/friendly-errors-webpack-plugin/src/output.js

@@ -0,0 +1,112 @@
+'use strict';
+
+const colors = require('./utils/colors');
+const chalk = require('chalk');
+const stringWidth = require('string-width');
+const readline = require('readline');
+
+class Debugger {
+
+  constructor () {
+    this.enabled = true;
+    this.capturing = false;
+    this.capturedMessages = [];
+  }
+
+  enable () {
+    this.enabled = true;
+  }
+
+  capture () {
+    this.enabled = true;
+    this.capturing = true;
+  }
+
+  endCapture () {
+    this.enabled = false;
+    this.capturing = false;
+    this.capturedMessages = [];
+  }
+
+  log () {
+    if (this.enabled) {
+      this.captureConsole(Array.from(arguments), console.log);
+    }
+  }
+
+  info (message) {
+    if (this.enabled) {
+      const titleFormatted = colors.formatTitle('info', 'I');
+      this.log(titleFormatted, message);
+    }
+  }
+
+  note (message) {
+    if (this.enabled) {
+      const titleFormatted = colors.formatTitle('note', 'N');
+      this.log(titleFormatted, message);
+    }
+  }
+
+  title (severity, title, subtitle) {
+    if (this.enabled) {
+      const date = new Date();
+      const dateString = chalk.grey(date.toLocaleTimeString());
+      const titleFormatted = colors.formatTitle(severity, title);
+      const subTitleFormatted = colors.formatText(severity, subtitle);
+      const message = `${titleFormatted} ${subTitleFormatted}`
+
+      // In test environment we don't include timestamp
+      if(process.env.NODE_ENV === 'test') {
+        this.log(message);
+        this.log();
+        return;
+      }
+
+      // Make timestamp appear at the end of the line
+      let logSpace = process.stdout.columns - stringWidth(message) - stringWidth(dateString)
+      if (logSpace <= 0) {
+        logSpace = 10
+      }
+
+      this.log(`${message}${' '.repeat(logSpace)}${dateString}`);
+      this.log();
+    }
+  }
+
+  clearConsole () {
+    if (!this.capturing && this.enabled && process.stdout.isTTY) {
+      // Fill screen with blank lines. Then move to 0 (beginning of visible part) and clear it
+      const blank = '\n'.repeat(process.stdout.rows)
+      console.log(blank)
+      readline.cursorTo(process.stdout, 0, 0)
+      readline.clearScreenDown(process.stdout)
+    }
+  }
+
+  captureLogs (fun) {
+    try {
+      this.capture();
+      fun.call();
+      return this.capturedMessages;
+    } catch (e) {
+      throw e;
+    } finally {
+      this.endCapture();
+    }
+  }
+
+  captureConsole (args, method) {
+    if (this.capturing) {
+      this.capturedMessages.push(chalk.stripColor(args.join(' ')).trim());
+    } else {
+      method.apply(console, args);
+    }
+  }
+}
+
+function capitalizeFirstLetter (string) {
+  return string.charAt(0).toUpperCase() + string.slice(1);
+}
+
+module.exports = new Debugger();