hono/dist/cjs/jsx/utils.js

Web framework built on Web Standards

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var utils_exports = {};
__export(utils_exports, {
  isValidAttributeName: () => isValidAttributeName,
  isValidTagName: () => isValidTagName,
  normalizeIntrinsicElementKey: () => normalizeIntrinsicElementKey,
  styleObjectForEach: () => styleObjectForEach
});
module.exports = __toCommonJS(utils_exports);
const normalizeElementKeyMap = /* @__PURE__ */ new Map([
  ["className", "class"],
  ["htmlFor", "for"],
  ["crossOrigin", "crossorigin"],
  ["httpEquiv", "http-equiv"],
  ["itemProp", "itemprop"],
  ["fetchPriority", "fetchpriority"],
  ["noModule", "nomodule"],
  ["formAction", "formaction"]
]);
const normalizeIntrinsicElementKey = (key) => normalizeElementKeyMap.get(key) || key;
const invalidAttributeNameCharRe = /[\s"'<>/=`\\\x00-\x1f\x7f-\x9f]/;
const validAttributeNameCache = /* @__PURE__ */ new Set();
const validAttributeNameCacheMax = 1024;
const invalidTagNameCharRe = /^[!?]|[\s"'<>/=`\\\x00-\x1f\x7f-\x9f]/;
const validTagNameCache = /* @__PURE__ */ new Set();
const validTagNameCacheMax = 256;
const cacheValidName = (cache, max, name) => {
  if (cache.size >= max) {
    cache.clear();
  }
  cache.add(name);
};
const isValidTagName = (name) => {
  if (validTagNameCache.has(name)) {
    return true;
  }
  if (typeof name !== "string") {
    return false;
  }
  if (name.length === 0) {
    return true;
  }
  if (invalidTagNameCharRe.test(name)) {
    return false;
  }
  cacheValidName(validTagNameCache, validTagNameCacheMax, name);
  return true;
};
const isValidAttributeName = (name) => {
  if (validAttributeNameCache.has(name)) {
    return true;
  }
  const len = name.length;
  if (len === 0) {
    return false;
  }
  for (let i = 0; i < len; i++) {
    const c = name.charCodeAt(i);
    if (!(c >= 97 && c <= 122 || // a-z
    c >= 65 && c <= 90 || // A-Z
    c >= 48 && c <= 57 || // 0-9
    c === 45 || // -
    c === 95 || // _
    c === 46 || // .
    c === 58)) {
      if (!invalidAttributeNameCharRe.test(name)) {
        cacheValidName(validAttributeNameCache, validAttributeNameCacheMax, name);
        return true;
      } else {
        return false;
      }
    }
  }
  cacheValidName(validAttributeNameCache, validAttributeNameCacheMax, name);
  return true;
};
const invalidStylePropertyNameCharRe = /[\s"'():;\\/\[\]{}\x00-\x1f\x7f-\x9f]/;
const validStylePropertyNameCache = /* @__PURE__ */ new Set();
const validStylePropertyNameCacheMax = 1024;
const isValidStylePropertyName = (name) => {
  if (validStylePropertyNameCache.has(name)) {
    return true;
  }
  const len = name.length;
  if (len === 0) {
    return false;
  }
  for (let i = 0; i < len; i++) {
    const c = name.charCodeAt(i);
    if (!(c >= 97 && c <= 122 || // a-z
    c >= 65 && c <= 90 || // A-Z
    c >= 48 && c <= 57 || // 0-9
    c === 45 || // -
    c === 95)) {
      if (!invalidStylePropertyNameCharRe.test(name)) {
        cacheValidName(validStylePropertyNameCache, validStylePropertyNameCacheMax, name);
        return true;
      } else {
        return false;
      }
    }
  }
  cacheValidName(validStylePropertyNameCache, validStylePropertyNameCacheMax, name);
  return true;
};
const unsafeStyleValueCharRe = /[;"'\\/\[\](){}]/;
const hasUnsafeStyleValue = (value) => {
  if (!unsafeStyleValueCharRe.test(value)) {
    return false;
  }
  let quote = 0;
  const blockStack = [];
  for (let i = 0, len = value.length; i < len; i++) {
    const c = value.charCodeAt(i);
    if (c === 92) {
      if (i === len - 1) {
        return true;
      }
      i++;
    } else if (quote !== 0) {
      if (c === 10 || c === 12 || c === 13) {
        return true;
      }
      if (c === quote) {
        quote = 0;
      }
    } else if (c === 47 && value.charCodeAt(i + 1) === 42) {
      const end = value.indexOf("*/", i + 2);
      if (end === -1) {
        return true;
      }
      i = end + 1;
    } else if (c === 34 || c === 39) {
      quote = c;
    } else if (c === 40) {
      blockStack.push(41);
    } else if (c === 91) {
      blockStack.push(93);
    } else if (c === 123 || c === 125) {
      return true;
    } else if (c === 41 || c === 93) {
      if (blockStack[blockStack.length - 1] !== c) {
        return true;
      }
      blockStack.pop();
    } else if (c === 59 && blockStack.length === 0) {
      return true;
    }
  }
  return quote !== 0 || blockStack.length !== 0;
};
const styleObjectForEach = (style, fn) => {
  for (const [k, v] of Object.entries(style)) {
    const key = k[0] === "-" || !/[A-Z]/.test(k) ? k : k.replace(/[A-Z]/g, (m) => `-${m.toLowerCase()}`);
    if (!isValidStylePropertyName(key)) {
      continue;
    }
    if (v == null) {
      fn(key, null);
      continue;
    }
    let value;
    if (typeof v === "number") {
      value = !key.match(
        /^(?:a|border-im|column(?:-c|s)|flex(?:$|-[^b])|grid-(?:ar|[^a])|font-w|li|or|sca|st|ta|wido|z)|ty$/
      ) ? `${v}px` : `${v}`;
    } else if (typeof v === "string") {
      if (hasUnsafeStyleValue(v)) {
        continue;
      }
      value = v;
    } else {
      continue;
    }
    fn(key, value);
  }
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  isValidAttributeName,
  isValidTagName,
  normalizeIntrinsicElementKey,
  styleObjectForEach
});