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13.4 kBJavaScriptView Raw
1import { ConcreteBounds, NewElementBuilder } from '@glimmer/runtime';
2const TEXT_NODE = 3;
3const NEEDS_EXTRA_CLOSE = new WeakMap();
4
5function currentNode(cursor) {
6 let {
7 element,
8 nextSibling
9 } = cursor;
10
11 if (nextSibling === null) {
12 return element.lastChild;
13 } else {
14 return nextSibling.previousSibling;
15 }
16}
17
18class SerializeBuilder extends NewElementBuilder {
19 constructor() {
20 super(...arguments);
21 this.serializeBlockDepth = 0;
22 }
23
24 __openBlock() {
25 let {
26 tagName
27 } = this.element;
28
29 if (tagName !== 'TITLE' && tagName !== 'SCRIPT' && tagName !== 'STYLE') {
30 let depth = this.serializeBlockDepth++;
31
32 this.__appendComment(`%+b:${depth}%`);
33 }
34
35 super.__openBlock();
36 }
37
38 __closeBlock() {
39 let {
40 tagName
41 } = this.element;
42
43 super.__closeBlock();
44
45 if (tagName !== 'TITLE' && tagName !== 'SCRIPT' && tagName !== 'STYLE') {
46 let depth = --this.serializeBlockDepth;
47
48 this.__appendComment(`%-b:${depth}%`);
49 }
50 }
51
52 __appendHTML(html) {
53 let {
54 tagName
55 } = this.element;
56
57 if (tagName === 'TITLE' || tagName === 'SCRIPT' || tagName === 'STYLE') {
58 return super.__appendHTML(html);
59 } // Do we need to run the html tokenizer here?
60
61
62 let first = this.__appendComment('%glmr%');
63
64 if (tagName === 'TABLE') {
65 let openIndex = html.indexOf('<');
66
67 if (openIndex > -1) {
68 let tr = html.slice(openIndex + 1, openIndex + 3);
69
70 if (tr === 'tr') {
71 html = `<tbody>${html}</tbody>`;
72 }
73 }
74 }
75
76 if (html === '') {
77 this.__appendComment('% %');
78 } else {
79 super.__appendHTML(html);
80 }
81
82 let last = this.__appendComment('%glmr%');
83
84 return new ConcreteBounds(this.element, first, last);
85 }
86
87 __appendText(string) {
88 let {
89 tagName
90 } = this.element;
91 let current = currentNode(this);
92
93 if (tagName === 'TITLE' || tagName === 'SCRIPT' || tagName === 'STYLE') {
94 return super.__appendText(string);
95 } else if (string === '') {
96 return this.__appendComment('% %');
97 } else if (current && current.nodeType === TEXT_NODE) {
98 this.__appendComment('%|%');
99 }
100
101 return super.__appendText(string);
102 }
103
104 closeElement() {
105 if (NEEDS_EXTRA_CLOSE.has(this.element)) {
106 NEEDS_EXTRA_CLOSE.delete(this.element);
107 super.closeElement();
108 }
109
110 return super.closeElement();
111 }
112
113 openElement(tag) {
114 if (tag === 'tr') {
115 if (this.element.tagName !== 'TBODY' && this.element.tagName !== 'THEAD' && this.element.tagName !== 'TFOOT') {
116 this.openElement('tbody'); // This prevents the closeBlock comment from being re-parented
117 // under the auto inserted tbody. Rehydration builder needs to
118 // account for the insertion since it is injected here and not
119 // really in the template.
120
121 NEEDS_EXTRA_CLOSE.set(this.constructing, true);
122 this.flushElement(null);
123 }
124 }
125
126 return super.openElement(tag);
127 }
128
129 pushRemoteElement(element, cursorId, insertBefore = null) {
130 let {
131 dom
132 } = this;
133 let script = dom.createElement('script');
134 script.setAttribute('glmr', cursorId);
135 dom.insertBefore(element, script, insertBefore);
136 return super.pushRemoteElement(element, cursorId, insertBefore);
137 }
138
139}
140
141export function serializeBuilder(env, cursor) {
142 return SerializeBuilder.forInitialRender(env, cursor);
143}
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nextSibling: SimpleNode }\n): Option<SimpleNode> {\n  let { element, nextSibling } = cursor;\n\n  if (nextSibling === null) {\n    return element.lastChild;\n  } else {\n    return nextSibling.previousSibling;\n  }\n}\n\nclass SerializeBuilder extends NewElementBuilder implements ElementBuilder {\n  private serializeBlockDepth = 0;\n\n  __openBlock(): void {\n    let { tagName } = this.element;\n\n    if (tagName !== 'TITLE' && tagName !== 'SCRIPT' && tagName !== 'STYLE') {\n      let depth = this.serializeBlockDepth++;\n      this.__appendComment(`%+b:${depth}%`);\n    }\n\n    super.__openBlock();\n  }\n\n  __closeBlock(): void {\n    let { tagName } = this.element;\n\n    super.__closeBlock();\n\n    if (tagName !== 'TITLE' && tagName !== 'SCRIPT' && tagName !== 'STYLE') {\n      let depth = --this.serializeBlockDepth;\n      this.__appendComment(`%-b:${depth}%`);\n    }\n  }\n\n  __appendHTML(html: string): Bounds {\n    let { tagName } = this.element;\n\n    if (tagName === 'TITLE' || tagName === 'SCRIPT' || tagName === 'STYLE') {\n      return super.__appendHTML(html);\n    }\n\n    // Do we need to run the html tokenizer here?\n    let first = this.__appendComment('%glmr%');\n    if (tagName === 'TABLE') {\n      let openIndex = html.indexOf('<');\n      if (openIndex > -1) {\n        let tr = html.slice(openIndex + 1, openIndex + 3);\n        if (tr === 'tr') {\n          html = `<tbody>${html}</tbody>`;\n        }\n      }\n    }\n    if (html === '') {\n      this.__appendComment('% %');\n    } else {\n      super.__appendHTML(html);\n    }\n\n    let last = this.__appendComment('%glmr%');\n    return new ConcreteBounds(this.element, first, last);\n  }\n\n  __appendText(string: string): SimpleText {\n    let { tagName } = this.element;\n    let current = currentNode(this);\n\n    if (tagName === 'TITLE' || tagName === 'SCRIPT' || tagName === 'STYLE') {\n      return super.__appendText(string);\n    } else if (string === '') {\n      return (this.__appendComment('% %') as any) as SimpleText;\n    } else if (current && current.nodeType === TEXT_NODE) {\n      this.__appendComment('%|%');\n    }\n\n    return super.__appendText(string);\n  }\n\n  closeElement(): Option<ModifierInstance[]> {\n    if (NEEDS_EXTRA_CLOSE.has(this.element)) {\n      NEEDS_EXTRA_CLOSE.delete(this.element);\n      super.closeElement();\n    }\n\n    return super.closeElement();\n  }\n\n  openElement(tag: string) {\n    if (tag === 'tr') {\n      if (\n        this.element.tagName !== 'TBODY' &&\n        this.element.tagName !== 'THEAD' &&\n        this.element.tagName !== 'TFOOT'\n      ) {\n        this.openElement('tbody');\n        // This prevents the closeBlock comment from being re-parented\n        // under the auto inserted tbody. Rehydration builder needs to\n        // account for the insertion since it is injected here and not\n        // really in the template.\n        NEEDS_EXTRA_CLOSE.set(this.constructing!, true);\n        this.flushElement(null);\n      }\n    }\n\n    return super.openElement(tag);\n  }\n\n  pushRemoteElement(\n    element: SimpleElement,\n    cursorId: string,\n    insertBefore: Maybe<SimpleNode> = null\n  ): Option<RemoteLiveBlock> {\n    let { dom } = this;\n    let script = dom.createElement('script');\n    script.setAttribute('glmr', cursorId);\n    dom.insertBefore(element, script, insertBefore);\n    return super.pushRemoteElement(element, cursorId, insertBefore);\n  }\n}\n\nexport function serializeBuilder(\n  env: Environment,\n  cursor: { element: SimpleElement; nextSibling: Option<SimpleNode> }\n): ElementBuilder {\n  return SerializeBuilder.forInitialRender(env, cursor);\n}\n"],"sourceRoot":""}
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