1 | "use strict";
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2 |
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3 | exports.__esModule = true;
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4 | exports.default = void 0;
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5 | var _ramdaAdjunct = require("ramda-adjunct");
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6 | var _index = require("../predicates/index.cjs");
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7 | const computeEdges = (element, edges = new WeakMap()) => {
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8 | if ((0, _index.isMemberElement)(element)) {
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9 | // @ts-ignore
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10 | edges.set(element.key, element);
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11 | // @ts-ignore
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12 | computeEdges(element.key, edges);
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13 | // @ts-ignore
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14 | edges.set(element.value, element);
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15 | // @ts-ignore
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16 | computeEdges(element.value, edges);
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17 | } else {
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18 | element.children.forEach(childElement => {
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19 | edges.set(childElement, element);
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20 | computeEdges(childElement, edges);
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21 | });
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22 | }
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23 | return edges;
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24 | };
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25 | const transcludeChildOfMemberElement = (search, replace, edges) => {
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26 | const memberElement = edges.get(search);
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27 | if (!(0, _index.isMemberElement)(memberElement)) {
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28 | return;
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29 | }
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30 | if (memberElement.key === search) {
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31 | memberElement.key = replace;
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32 | edges.delete(search);
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33 | edges.set(replace, memberElement);
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34 | }
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35 | if (memberElement.value === search) {
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36 | memberElement.value = replace;
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37 | edges.delete(search);
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38 | edges.set(replace, memberElement);
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39 | }
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40 | };
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41 | const transcludeChildOfObjectElement = (search, replace, edges) => {
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42 | const objectElement = edges.get(search);
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43 | if (!(0, _index.isObjectElement)(objectElement)) {
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44 | return;
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45 | }
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46 | objectElement.content = objectElement.map((value, key, member) => {
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47 | if (member === search) {
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48 | edges.delete(search);
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49 | edges.set(replace, objectElement);
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50 | return replace;
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51 | }
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52 | return member;
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53 | });
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54 | };
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55 | const transcludeChildOfArrayElement = (search, replace, edges) => {
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56 | const arrayElement = edges.get(search);
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57 | if (!(0, _index.isArrayElement)(arrayElement)) {
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58 | return;
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59 | }
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60 | arrayElement.content = arrayElement.map(element => {
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61 | if (element === search) {
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62 | edges.delete(search);
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63 | edges.set(replace, arrayElement);
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64 | return replace;
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65 | }
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66 | return element;
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67 | });
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68 | };
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69 |
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70 | /**
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71 | * This is a mutating stamp. If you don't want your Element to be mutated,
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72 | * clone in before passing it to initializer of this stamp.
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73 | */
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74 |
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75 | class Transcluder {
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76 | element;
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77 | edges;
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78 | constructor({
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79 | element
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80 | }) {
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81 | this.element = element;
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82 | }
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83 | transclude(search, replace) {
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84 | var _this$edges;
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85 | // shortcut 1. - replacing entire ApiDOM tree
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86 | if (search === this.element) return replace;
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87 | // shortcut 2. - replacing nothing
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88 | if (search === replace) return this.element;
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89 | this.edges = (_this$edges = this.edges) != null ? _this$edges : computeEdges(this.element);
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90 | const parent = this.edges.get(search);
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91 | if ((0, _ramdaAdjunct.isUndefined)(parent)) {
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92 | return undefined;
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93 | }
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94 |
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95 | /**
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96 | * This predicate must be first because ObjectElement extends ArrayElement.
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97 | * isArrayElement returns true for ObjectElements.
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98 | * (classical problems with polymorphism)
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99 | */
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100 | if ((0, _index.isObjectElement)(parent)) {
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101 | // @ts-ignore
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102 | transcludeChildOfObjectElement(search, replace, this.edges);
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103 | } else if ((0, _index.isArrayElement)(parent)) {
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104 | transcludeChildOfArrayElement(search, replace, this.edges);
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105 | } else if ((0, _index.isMemberElement)(parent)) {
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106 | transcludeChildOfMemberElement(search, replace, this.edges);
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107 | }
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108 | return this.element;
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109 | }
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110 | }
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111 | var _default = exports.default = Transcluder; |
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