html.js 2.9 KB

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  1. // src/utils/html.ts
  2. var HtmlEscapedCallbackPhase = {
  3. Stringify: 1,
  4. BeforeStream: 2,
  5. Stream: 3
  6. };
  7. var raw = (value, callbacks) => {
  8. const escapedString = new String(value);
  9. escapedString.isEscaped = true;
  10. escapedString.callbacks = callbacks;
  11. return escapedString;
  12. };
  13. var escapeRe = /[&<>'"]/;
  14. var stringBufferToString = async (buffer, callbacks) => {
  15. let str = "";
  16. callbacks ||= [];
  17. const resolvedBuffer = await Promise.all(buffer);
  18. for (let i = resolvedBuffer.length - 1; ; i--) {
  19. str += resolvedBuffer[i];
  20. i--;
  21. if (i < 0) {
  22. break;
  23. }
  24. let r = resolvedBuffer[i];
  25. if (typeof r === "object") {
  26. callbacks.push(...r.callbacks || []);
  27. }
  28. const isEscaped = r.isEscaped;
  29. r = await (typeof r === "object" ? r.toString() : r);
  30. if (typeof r === "object") {
  31. callbacks.push(...r.callbacks || []);
  32. }
  33. if (r.isEscaped ?? isEscaped) {
  34. str += r;
  35. } else {
  36. const buf = [str];
  37. escapeToBuffer(r, buf);
  38. str = buf[0];
  39. }
  40. }
  41. return raw(str, callbacks);
  42. };
  43. var escapeToBuffer = (str, buffer) => {
  44. const match = str.search(escapeRe);
  45. if (match === -1) {
  46. buffer[0] += str;
  47. return;
  48. }
  49. let escape;
  50. let index;
  51. let lastIndex = 0;
  52. for (index = match; index < str.length; index++) {
  53. switch (str.charCodeAt(index)) {
  54. case 34:
  55. escape = "&quot;";
  56. break;
  57. case 39:
  58. escape = "&#39;";
  59. break;
  60. case 38:
  61. escape = "&amp;";
  62. break;
  63. case 60:
  64. escape = "&lt;";
  65. break;
  66. case 62:
  67. escape = "&gt;";
  68. break;
  69. default:
  70. continue;
  71. }
  72. buffer[0] += str.substring(lastIndex, index) + escape;
  73. lastIndex = index + 1;
  74. }
  75. buffer[0] += str.substring(lastIndex, index);
  76. };
  77. var resolveCallbackSync = (str) => {
  78. const callbacks = str.callbacks;
  79. if (!callbacks?.length) {
  80. return str;
  81. }
  82. const buffer = [str];
  83. const context = {};
  84. callbacks.forEach((c) => c({ phase: HtmlEscapedCallbackPhase.Stringify, buffer, context }));
  85. return buffer[0];
  86. };
  87. var resolveCallback = async (str, phase, preserveCallbacks, context, buffer) => {
  88. if (typeof str === "object" && !(str instanceof String)) {
  89. if (!(str instanceof Promise)) {
  90. str = str.toString();
  91. }
  92. if (str instanceof Promise) {
  93. str = await str;
  94. }
  95. }
  96. const callbacks = str.callbacks;
  97. if (!callbacks?.length) {
  98. return Promise.resolve(str);
  99. }
  100. if (buffer) {
  101. buffer[0] += str;
  102. } else {
  103. buffer = [str];
  104. }
  105. const resStr = Promise.all(callbacks.map((c) => c({ phase, buffer, context }))).then(
  106. (res) => Promise.all(
  107. res.filter(Boolean).map((str2) => resolveCallback(str2, phase, false, context, buffer))
  108. ).then(() => buffer[0])
  109. );
  110. if (preserveCallbacks) {
  111. return raw(await resStr, callbacks);
  112. } else {
  113. return resStr;
  114. }
  115. };
  116. export {
  117. HtmlEscapedCallbackPhase,
  118. escapeToBuffer,
  119. raw,
  120. resolveCallback,
  121. resolveCallbackSync,
  122. stringBufferToString
  123. };