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gulpfile.js/utils/errors.js

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+const cached = require('gulp-cached');
+
+const list = {
+  get totalIssue() {
+    return this.totalError + this.totalWarning;
+  },
+};
+exports.list = list;
+
+function pushError(info) {
+  list.data.push(info);
+  list[info.type === 'Error' ? 'totalError' : 'totalWarning'] += 1;
+}
+
+function handleError({ plugin, message, codeFrame = '' } = {}) {
+  pushError({
+    type: 'Error',
+    plugin: plugin.toUpperCase(),
+    message: message.trim(),
+    code: codeFrame,
+  });
+
+  if (typeof this.emit === 'function') {
+    this.emit('end');
+  } else if (typeof this === 'function') {
+    this();
+  }
+}
+
+exports.handleError = handleError;
+
+exports.handleESLintError = (results) => {
+  results.forEach(({ filePath, messages } = {}) => {
+    messages.forEach(({
+      severity, line, column, message,
+    } = {}) => {
+      const type = severity === 2 ? 'Error' : 'Warning';
+
+      pushError({
+        type,
+        plugin: `ES Lint ${type}`,
+        message: filePath,
+        code: `[${line}:${column}] ${message}`,
+      });
+    });
+  });
+
+  list.isJSValid = !results.errorCount;
+
+  if (results.errorCount || results.warningCount) {
+    delete cached.caches.eslint;
+  }
+};
+
+function resetError() {
+  list.data = [];
+  list.totalError = 0;
+  list.totalWarning = 0;
+  list.isJSValid = true;
+}
+exports.resetError = resetError;
+
+resetError();