AbstractRange.js 5.0 KB

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  1. "use strict";
  2. const conversions = require("webidl-conversions");
  3. const utils = require("./utils.js");
  4. const implSymbol = utils.implSymbol;
  5. const ctorRegistrySymbol = utils.ctorRegistrySymbol;
  6. const interfaceName = "AbstractRange";
  7. exports.is = value => {
  8. return utils.isObject(value) && Object.hasOwn(value, implSymbol) && value[implSymbol] instanceof Impl.implementation;
  9. };
  10. exports.isImpl = value => {
  11. return utils.isObject(value) && value instanceof Impl.implementation;
  12. };
  13. exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
  14. if (exports.is(value)) {
  15. return utils.implForWrapper(value);
  16. }
  17. throw new globalObject.TypeError(`${context} is not of type 'AbstractRange'.`);
  18. };
  19. function makeWrapper(globalObject, newTarget) {
  20. let proto;
  21. if (newTarget !== undefined) {
  22. proto = newTarget.prototype;
  23. }
  24. if (!utils.isObject(proto)) {
  25. proto = globalObject[ctorRegistrySymbol]["AbstractRange"].prototype;
  26. }
  27. return Object.create(proto);
  28. }
  29. exports.create = (globalObject, constructorArgs, privateData) => {
  30. const wrapper = makeWrapper(globalObject);
  31. return exports.setup(wrapper, globalObject, constructorArgs, privateData);
  32. };
  33. exports.createImpl = (globalObject, constructorArgs, privateData) => {
  34. const wrapper = exports.create(globalObject, constructorArgs, privateData);
  35. return utils.implForWrapper(wrapper);
  36. };
  37. exports._internalSetup = (wrapper, globalObject) => {};
  38. exports.setup = (wrapper, globalObject, constructorArgs = [], privateData = {}) => {
  39. privateData.wrapper = wrapper;
  40. exports._internalSetup(wrapper, globalObject);
  41. Object.defineProperty(wrapper, implSymbol, {
  42. value: new Impl.implementation(globalObject, constructorArgs, privateData),
  43. configurable: true
  44. });
  45. wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
  46. if (Impl.init) {
  47. Impl.init(wrapper[implSymbol]);
  48. }
  49. return wrapper;
  50. };
  51. exports.new = (globalObject, newTarget) => {
  52. const wrapper = makeWrapper(globalObject, newTarget);
  53. exports._internalSetup(wrapper, globalObject);
  54. Object.defineProperty(wrapper, implSymbol, {
  55. value: Object.create(Impl.implementation.prototype),
  56. configurable: true
  57. });
  58. wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
  59. if (Impl.init) {
  60. Impl.init(wrapper[implSymbol]);
  61. }
  62. return wrapper[implSymbol];
  63. };
  64. const exposed = new Set(["Window"]);
  65. exports.install = (globalObject, globalNames) => {
  66. if (!globalNames.some(globalName => exposed.has(globalName))) {
  67. return;
  68. }
  69. const ctorRegistry = utils.initCtorRegistry(globalObject);
  70. class AbstractRange {
  71. constructor() {
  72. throw new globalObject.TypeError("Illegal constructor");
  73. }
  74. get startContainer() {
  75. const esValue = this !== null && this !== undefined ? this : globalObject;
  76. if (!exports.is(esValue)) {
  77. throw new globalObject.TypeError(
  78. "'get startContainer' called on an object that is not a valid instance of AbstractRange."
  79. );
  80. }
  81. return utils.tryWrapperForImpl(esValue[implSymbol]["startContainer"]);
  82. }
  83. get startOffset() {
  84. const esValue = this !== null && this !== undefined ? this : globalObject;
  85. if (!exports.is(esValue)) {
  86. throw new globalObject.TypeError(
  87. "'get startOffset' called on an object that is not a valid instance of AbstractRange."
  88. );
  89. }
  90. return esValue[implSymbol]["startOffset"];
  91. }
  92. get endContainer() {
  93. const esValue = this !== null && this !== undefined ? this : globalObject;
  94. if (!exports.is(esValue)) {
  95. throw new globalObject.TypeError(
  96. "'get endContainer' called on an object that is not a valid instance of AbstractRange."
  97. );
  98. }
  99. return utils.tryWrapperForImpl(esValue[implSymbol]["endContainer"]);
  100. }
  101. get endOffset() {
  102. const esValue = this !== null && this !== undefined ? this : globalObject;
  103. if (!exports.is(esValue)) {
  104. throw new globalObject.TypeError(
  105. "'get endOffset' called on an object that is not a valid instance of AbstractRange."
  106. );
  107. }
  108. return esValue[implSymbol]["endOffset"];
  109. }
  110. get collapsed() {
  111. const esValue = this !== null && this !== undefined ? this : globalObject;
  112. if (!exports.is(esValue)) {
  113. throw new globalObject.TypeError(
  114. "'get collapsed' called on an object that is not a valid instance of AbstractRange."
  115. );
  116. }
  117. return esValue[implSymbol]["collapsed"];
  118. }
  119. }
  120. Object.defineProperties(AbstractRange.prototype, {
  121. startContainer: { enumerable: true },
  122. startOffset: { enumerable: true },
  123. endContainer: { enumerable: true },
  124. endOffset: { enumerable: true },
  125. collapsed: { enumerable: true },
  126. [Symbol.toStringTag]: { value: "AbstractRange", configurable: true }
  127. });
  128. ctorRegistry[interfaceName] = AbstractRange;
  129. Object.defineProperty(globalObject, interfaceName, {
  130. configurable: true,
  131. writable: true,
  132. value: AbstractRange
  133. });
  134. };
  135. const Impl = require("../../jsdom/living/range/AbstractRange-impl.js");