unplugin-transform-we-class/dist/chunk-YDECKT7I.mjs

转换微信小程序中带有转义字符的class

// src/core/index.ts
import { trim } from "@meoc/utils";
function getClass(code) {
  const matchs = [];
  Array.from(code.matchAll(/\s:?class="((?:\n|.)*?)"/g)).forEach((m) => {
    const classStr = m[1];
    const sourceStr = trim(m[0]);
    let classArr = [sourceStr];
    if (sourceStr.startsWith(":")) {
      if (classStr.startsWith("{"))
        classArr = classArr.concat(getObjClass(classStr));
      else if (classStr.startsWith("["))
        classArr = classArr.concat(getArrClass(classStr));
    } else {
      classArr.push(classStr);
    }
    matchs.push(classArr);
  });
  Array.from(code.matchAll(/className=["']((?:\n|.)+?)["']/g)).forEach((m) => {
    matchs.push([m[0], m[1]]);
  });
  return matchs;
}
function getObjClass(className) {
  return Array.from(className.matchAll(/'([^,]+?)'\s*:/g)).map((v) => v[1]);
}
function getArrClass(className) {
  return Array.from(className.matchAll(/(?<=[\?\:])\s*'(.*?)'/g)).map((v) => v[1]);
}
function transformCode(code, rules = defaultRules) {
  const classNames = getClass(code);
  classNames.forEach((c) => {
    let currentClass = c[0];
    c.slice(1).forEach((selector) => {
      currentClass = currentClass.replace(selector, transformSelector(selector, rules));
    });
    code = code.replace(c[0], currentClass);
  });
  return code;
}

// src/utils.ts
var defaultRules = {
  ".": "-d-",
  "/": "-s-",
  ":": "-c-",
  "%": "-p-",
  "!": "-e-",
  "#": "-w-",
  "(": "-bl-",
  ")": "-br-",
  "[": "-fl-",
  "]": "-fr-",
  "$": "-r-",
  ",": "-co-"
};
var transformRegExp = /[,\.\/:%!#\(\)\[\]$]/;
var escapePrefix = "\\";
function escapeRegExp(str) {
  return str.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
}
function transformSelector(selector, rules = defaultRules) {
  if (transformRegExp.test(selector)) {
    for (const transformRule in rules) {
      const replaceReg = new RegExp(`${escapePrefix}${transformRule}`, "g");
      selector = selector.replace(replaceReg, rules[transformRule]);
    }
  }
  return selector;
}
function transformEscapESelector(selector, rules = defaultRules) {
  if (transformRegExp.test(selector)) {
    for (const transformRule in rules) {
      const replaceReg = new RegExp(escapeRegExp(`${escapePrefix}${transformRule}`), "g");
      selector = selector.replace(replaceReg, rules[transformRule]);
    }
  }
  return selector;
}
function restoreSelector(selector, rules = defaultRules) {
  for (const transformRule in rules) {
    const replaceReg = new RegExp(rules[transformRule], "g");
    selector = selector.replace(replaceReg, transformRule);
  }
  return selector;
}

export {
  defaultRules,
  escapeRegExp,
  transformSelector,
  transformEscapESelector,
  restoreSelector,
  transformCode
};