hyperframes/packages/core/src/compiler/inlineSubCompositions.test.ts at 3a23542a14a02bfc08dee097a55862498267d0e6 · heygen-com/hyperframes · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
import { describe, expect, it } from "vitest";
import { parseHTML } from "linkedom";
import { inlineSubCompositions } from "./inlineSubCompositions";

// Fixtures reference GSAP CDN but are never loaded in a real browser — resolveHtml is mocked.

/**
 * Minimal sub-composition HTML that uses `#intro` as its CSS and GSAP scope.
 * This is the pattern that breaks when the producer path strips the inner root.
 */
const SUB_COMP_HTML = `<template id="intro-template">
  <div id="intro" data-composition-id="intro" data-width="1920" data-height="1080">
    <div class="title" style="opacity:0;">HELLO WORLD</div>
    <style>
      #intro { position:relative; width:1920px; height:1080px; background:#111; }
      #intro .title { font-size:120px; color:#fff; }
    </style>
    <script>
      (function() {
        window.__timelines = window.__timelines || {};
        var tl = gsap.timeline({ paused: true });
        tl.fromTo('#intro .title', { opacity:0 }, { opacity:1, duration:0.5 }, 0.2);
        window.__timelines['intro'] = tl;
      })();
    </script>
  </div>
</template>`;

function makeHostDocument(compId: string) {
  const { document } = parseHTML(`<!DOCTYPE html>
<html><body>
  <div data-composition-id="main">
    <div data-composition-id="${compId}" data-composition-src="intro.html"
         data-start="0" data-duration="4" data-track-index="0"></div>
  </div>
</body></html>`);
  return document;
}

describe("inlineSubCompositions – #ID selector scoping divergence", () => {
  it("producer path (no flattenInnerRoot): strips inner root, losing #id attribute", () => {
    const document = makeHostDocument("intro");
    const host = document.querySelector('[data-composition-src="intro.html"]')!;

    const result = inlineSubCompositions(document, [host], {
      resolveHtml: () => SUB_COMP_HTML,
      parseHtml: (html) => parseHTML(html).document,
    });

    // The producer path takes innerHTML when compId matches, stripping the
    // wrapper <div id="intro" ...>. The host element should NOT contain a
    // child with id="intro" — the id attribute is lost.
    const innerRootById = host.querySelector("#intro");
    expect(innerRootById).toBeNull();

    // The host itself still has data-composition-id="intro" (from the
    // original markup), but no element inside has id="intro".
    expect(host.getAttribute("data-composition-id")).toBe("intro");

    // CSS was scoped: #intro selectors should be rewritten to use
    // data-hf-authored-id attribute selector so they still resolve.
    const scopedCss = result.styles.join("\n");
    expect(scopedCss).toContain('[data-hf-authored-id="intro"]');
    expect(scopedCss).not.toContain("#intro");
  });

  it("producer path: scoped CSS rewrites #id selectors to [data-hf-authored-id] attribute", () => {
    const document = makeHostDocument("intro");
    const host = document.querySelector('[data-composition-src="intro.html"]')!;

    const result = inlineSubCompositions(document, [host], {
      resolveHtml: () => SUB_COMP_HTML,
      parseHtml: (html) => parseHTML(html).document,
    });

    // The CSS scoper rewrites `#intro` to `[data-hf-authored-id="intro"]`
    // so that the selector resolves against the flattened structure.
    const scopedCss = result.styles.join("\n");
    expect(scopedCss).toContain('[data-hf-authored-id="intro"]');
    expect(scopedCss).toContain('[data-hf-authored-id="intro"] .title');
  });

  it("producer path: scoped scripts rewrite #intro selectors for GSAP targets", () => {
    const document = makeHostDocument("intro");
    const host = document.querySelector('[data-composition-src="intro.html"]')!;

    const result = inlineSubCompositions(document, [host], {
      resolveHtml: () => SUB_COMP_HTML,
      parseHtml: (html) => parseHTML(html).document,
    });

    // The wrapped script should contain the authored root id normalization
    // logic so that runtime querySelector('#intro .title') maps to the
    // data-hf-authored-id attribute selector.
    const wrappedScript = result.scripts.join("\n");
    expect(wrappedScript).toContain("__hfAuthoredRootId");
    expect(wrappedScript).toContain('"intro"');
  });

  it("bundler path (with flattenInnerRoot): preserves inner root as a child element", () => {
    const document = makeHostDocument("intro");
    const host = document.querySelector('[data-composition-src="intro.html"]')!;

    // Simulate the bundler's flattenInnerRoot: clone the element, add
    // data-hf-authored-id, strip timing attrs (simplified here).
    function flattenInnerRoot(innerRoot: Element): Element {
      const clone = innerRoot.cloneNode(true) as Element;
      const authoredId = clone.getAttribute("id");
      if (authoredId) {
        clone.setAttribute("data-hf-authored-id", authoredId);
        clone.removeAttribute("id");
      }
      clone.removeAttribute("data-start");
      clone.removeAttribute("data-duration");
      return clone;
    }

    const result = inlineSubCompositions(document, [host], {
      resolveHtml: () => SUB_COMP_HTML,
      parseHtml: (html) => parseHTML(html).document,
      flattenInnerRoot,
    });

    // With flattenInnerRoot, the inner root is preserved as a child of the
    // host via outerHTML. The data-hf-authored-id attribute is present.
    const authoredRoot = host.querySelector('[data-hf-authored-id="intro"]');
    expect(authoredRoot).not.toBeNull();

    // CSS is still rewritten to use the attribute selector.
    const scopedCss = result.styles.join("\n");
    expect(scopedCss).toContain('[data-hf-authored-id="intro"]');
  });

  it("producer path propagates data-hf-authored-id to host when inner root has id", () => {
    const document = makeHostDocument("intro");
    const host = document.querySelector('[data-composition-src="intro.html"]')!;

    inlineSubCompositions(document, [host], {
      resolveHtml: () => SUB_COMP_HTML,
      parseHtml: (html) => parseHTML(html).document,
    });

    // The inner root's id="intro" is stripped (innerHTML), but the producer
    // now propagates it as data-hf-authored-id on the host element so that
    // rewritten #ID selectors ([data-hf-authored-id="intro"]) resolve.
    expect(host.getAttribute("data-hf-authored-id")).toBe("intro");

    // The original #intro element is still gone — innerHTML stripped it.
    const introById = host.querySelector("#intro");
    expect(introById).toBeNull();

    expect(host.getAttribute("data-composition-id")).toBe("intro");
  });

  it("producer path: scoped CSS matches host element when both attributes coexist", () => {
    const document = makeHostDocument("intro");
    const host = document.querySelector('[data-composition-src="intro.html"]')!;

    const result = inlineSubCompositions(document, [host], {
      resolveHtml: () => SUB_COMP_HTML,
      parseHtml: (html) => parseHTML(html).document,
      compoundAuthoredRoot: true,
    });

    // After inlining, the host has both data-composition-id and data-hf-authored-id.
    // CSS selectors targeting the root must be compound (no space) so they match
    // when both attributes are on the same element.
    expect(host.getAttribute("data-composition-id")).toBe("intro");
    expect(host.getAttribute("data-hf-authored-id")).toBe("intro");

    const scopedCss = result.styles.join("\n");

    // Root-only selector: must be compound
    expect(scopedCss).toMatch(/\[data-composition-id="intro"\]\[data-hf-authored-id="intro"\]/);
    // Must NOT have a descendant combinator between the two attribute selectors
    expect(scopedCss).not.toMatch(
      /\[data-composition-id="intro"\]\s+\[data-hf-authored-id="intro"\]\s*\{/,
    );

    // Descendant selector: compound root + space + child
    expect(scopedCss).toMatch(
      /\[data-composition-id="intro"\]\[data-hf-authored-id="intro"\]\s+\.title/,
    );
  });
});