SuppressWarningsPlugin.js

class SuppressWarningsPlugin {
  warning;
  maxWarnings;
  constructor(maxWarnings = 0) {
    this.maxWarnings = maxWarnings;
  }

  apply(compiler) {
    compiler.hooks.emit.tap("SuppressWarningsPlugin", (compilation) => {
      if (!Array.isArray(compilation.warnings)) return;
      const index = compilation.warnings.findIndex(
        (warnObj) => warnObj.name == "ESLintError"
      );
      const e = compilation.warnings.splice(index, 1)[0];
      if (Array.isArray(this.warning)) {
        const formattedMessage = e.message.split(/\r?\n/).filter((msg) => {
          return this.warning.findIndex((warn) => warn == msg) === -1;
        });
        if (formattedMessage.length > 0) {
          e.message = formattedMessage.join("\n");
          compilation.warnings.push(e);
        }
      } else {
        this.warning = e.message.split(/\r?\n/);
      }
    });
  }
}

module.exports = SuppressWarningsPlugin;