weapp-tailwindcss/dist/weapp-tw-css-import-rewrite-loader.js

把 tailwindcss 原子化样式思想，带给小程序开发者们! bring tailwindcss to miniprogram developers!

"use strict";Object.defineProperty(exports, "__esModule", {value: true}); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }// src/bundlers/webpack/loaders/weapp-tw-css-import-rewrite-loader.ts
var _process = require('process'); var _process2 = _interopRequireDefault(_process);
var _loaderutils = require('loader-utils'); var _loaderutils2 = _interopRequireDefault(_loaderutils);

// src/bundlers/shared/css-imports.ts
var _path = require('path'); var _path2 = _interopRequireDefault(_path);
var tailwindcssImportRE = /^tailwindcss(?:\/.*)?$/;
var tailwindcssCssImportStatementRE = /(@import\s+(?:url\(\s*)?)(["'])(tailwindcss(?:\/[^"']*)?\$?)(\2\s*\)?)/gi;
function normalizeTailwindcssSpecifier(specifier) {
  if (specifier === "tailwindcss$") {
    return "tailwindcss";
  }
  return specifier;
}
function getTailwindcssSubpath(specifier) {
  if (specifier === "tailwindcss") {
    return "index.css";
  }
  return specifier.slice("tailwindcss/".length);
}
function resolveTailwindcssImport(specifier, pkgDir, options) {
  var _a;
  const normalized = normalizeTailwindcssSpecifier(specifier);
  if (!tailwindcssImportRE.test(normalized)) {
    return null;
  }
  if (normalized === "tailwindcss") {
    return "weapp-tailwindcss/index.css";
  }
  const join = (_a = options == null ? void 0 : options.join) != null ? _a : _path2.default.join;
  const subpath = getTailwindcssSubpath(normalized);
  return join(pkgDir, subpath);
}
function rewriteTailwindcssImportsInCode(code, pkgDir, options) {
  let hasReplacements = false;
  const rewritten = code.replace(
    tailwindcssCssImportStatementRE,
    (full, prefix, quote, specifier, suffix) => {
      const replacement = resolveTailwindcssImport(specifier, pkgDir, options);
      if (!replacement) {
        return full;
      }
      hasReplacements = true;
      return `${prefix}${quote}${replacement}${suffix}`;
    }
  );
  return hasReplacements ? rewritten : void 0;
}

// src/bundlers/webpack/loaders/weapp-tw-css-import-rewrite-loader.ts
function slash(p) {
  return p.replace(/\\/g, "/");
}
function joinPosixPath(base, subpath) {
  if (base.endsWith("/")) {
    return `${base}${subpath}`;
  }
  return `${base}/${subpath}`;
}
function applyCssImportRewrite(source, options) {
  const rewriteOptions = options == null ? void 0 : options.rewriteCssImports;
  const pkgDir = rewriteOptions == null ? void 0 : rewriteOptions.pkgDir;
  if (!pkgDir) {
    return source;
  }
  const rewritten = rewriteTailwindcssImportsInCode(
    source,
    slash(pkgDir),
    {
      join: joinPosixPath,
      appType: rewriteOptions.appType
    }
  );
  return rewritten != null ? rewritten : source;
}
function transformCssImportRewriteSource(source, options) {
  const isBuffer = Buffer.isBuffer(source);
  const input = isBuffer ? source.toString("utf-8") : source;
  const rewritten = applyCssImportRewrite(input, options);
  if (rewritten === input) {
    return source;
  }
  if (_process2.default.env.WEAPP_TW_LOADER_DEBUG) {
    console.log("[weapp-tw-css-import-rewrite-loader] rewritten import", {
      before: input.slice(0, 80),
      after: rewritten.slice(0, 80)
    });
  }
  return rewritten;
}
var WeappTwCssImportRewriteLoader = function(source) {
  if (_process2.default.env.WEAPP_TW_LOADER_DEBUG) {
    console.log("[weapp-tw-css-import-rewrite-loader] executing for", this.resourcePath);
  }
  const opt = _loaderutils2.default.getOptions(this);
  return transformCssImportRewriteSource(source, opt);
};
var weapp_tw_css_import_rewrite_loader_default = WeappTwCssImportRewriteLoader;



exports.default = weapp_tw_css_import_rewrite_loader_default; exports.transformCssImportRewriteSource = transformCssImportRewriteSource;