文件操作 - leadingUnderscore.js

文件: /var/www/OLD/node_modules/stylehacks/src/plugins/leadingUnderscore.js

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'use strict';
const BasePlugin = require('../plugin');
const { IE_6 } = require('../dictionary/browsers');
const { PROPERTY } = require('../dictionary/identifiers');
const { DECL } = require('../dictionary/postcss');

/**
 * @param {string} prop
 * @return {string}
 */
function vendorPrefix(prop) {
  let match = prop.match(/^(-\w+-)/);
  if (match) {
    return match[0];
  }

return '';
}

module.exports = class LeadingUnderscore extends BasePlugin {
  /** @param {import('postcss').Result=} result */
  constructor(result) {
    super([IE_6], [DECL], result);
  }

/**
   * @param {import('postcss').Declaration} decl
   * @return {void}
   */
  detect(decl) {
    const { before } = decl.raws;

if (before && before.includes('_')) {
      this.push(decl, {
        identifier: PROPERTY,
        hack: `${before.trim()}${decl.prop}`,
      });
    }

if (
      decl.prop[0] === '-' &&
      decl.prop[1] !== '-' &&
      vendorPrefix(decl.prop) === ''
    ) {
      this.push(decl, {
        identifier: PROPERTY,
        hack: decl.prop,
      });
    }
  }
};

文件操作 - leadingUnderscore.js

文件: /var/www/OLD/node_modules/stylehacks/src/plugins/leadingUnderscore.js

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