uni-plugin-light/lib/loader/insert-page-meta.js

uni-app相关插件、loader及webpack基础配置

'use strict';

var path = require('path');
var loaderUtils = require('loader-utils');

function _interopNamespace(e) {
    if (e && e.__esModule) return e;
    var n = Object.create(null);
    if (e) {
        Object.keys(e).forEach(function (k) {
            if (k !== 'default') {
                var d = Object.getOwnPropertyDescriptor(e, k);
                Object.defineProperty(n, k, d.get ? d : {
                    enumerable: true,
                    get: function () { return e[k]; }
                });
            }
        });
    }
    n["default"] = e;
    return Object.freeze(n);
}

var path__namespace = /*#__PURE__*/_interopNamespace(path);

var PLATFORM_MAP = {
  MP_WX: 'mp-weixin',
  MP_QQ: 'mp-qq',
  H5: 'h5'
};

var ALL_PLATFORM = 'ALL';
function shouldUseLoader() {
  var defaultPlatforms = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
  var options = loaderUtils.getOptions(this) || {};
  var _options$platforms = options.platforms,
    platforms = _options$platforms === void 0 ? defaultPlatforms : _options$platforms;
  var platform = process.env.UNI_PLATFORM || '';
  if (platforms === ALL_PLATFORM || platforms.indexOf(ALL_PLATFORM) > -1) {
    return true;
  }
  return platforms.includes(platform);
}
var PLATFORMS_MP = [PLATFORM_MAP.MP_WX, PLATFORM_MAP.MP_QQ];

var htmlReg = /<template>[\s\n]*<page-meta([\s\S]+)<\/page-meta>[\s\n]*<\/template>/;
// 需要贪婪匹配
var pureHtmlReg = /(?<=<template>[\s\n]*)([\s\S]+)(?=[\s\n]*<\/template>)/;
function insertPageMeta(source) {
  if (!shouldUseLoader.call(this, PLATFORMS_MP)) return source;
  var options = loaderUtils.getOptions(this) || {};
  var _options$pages = options.pages,
    pages = _options$pages === void 0 ? [] : _options$pages;
  var resourcePath = this.resourcePath;
  var rootPath = path__namespace.resolve(process.cwd(), './src', process.env.VUE_APP_DIR || '');
  var fullPages = pages.map(function (item) {
    return "".concat(path__namespace.resolve(rootPath, item), ".vue");
  });
  if (!fullPages.includes(resourcePath)) {
    return source;
  }
  if (source.match(htmlReg)) {
    return source;
  }
  var res = source.replace(pureHtmlReg, function (a, b) {
    var fontsizeStr = ':root-font-size="mixinRootFontSize + \'px\'" page-style="height: 100%;width: 100%;" ';
    return "<page-meta ".concat(fontsizeStr, ">").concat(b, "</page-meta>");
  });
  return res;
}

module.exports = insertPageMeta;