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51 lines
1.9 KiB
JavaScript
51 lines
1.9 KiB
JavaScript
'use strict';
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// Creates a blob URL with the contents of 'message-target.html'. Use the
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// blob as an iframe src or a window.open() URL, which creates a same origin
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// message target.
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async function create_message_target_blob_url(test) {
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const html = await create_message_target_html_without_subresources(test);
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const blob = new Blob([html], { type: 'text/html' });
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return URL.createObjectURL(blob);
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}
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// Creates a data URI with the contents of 'message-target.html'. Use the
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// data URI as an iframe src, which creates a cross origin message target.
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async function create_message_target_data_uri(test) {
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const iframe_html =
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await create_message_target_html_without_subresources(test);
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return `data:text/html,${encodeURIComponent(iframe_html)}`;
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}
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// Constructs a version of 'message-target.html' without any subresources.
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// Enables the creation of blob URLs, data URIs and iframe srcdocs re-using
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// the contents of 'message-target.html'.
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async function create_message_target_html_without_subresources(test) {
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const test_helpers_script = await fetch_text('resources/test-helpers.js');
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const messaging_helpers_script =
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await fetch_text('resources/messaging-helpers.js');
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const messaging_serialize_helpers_script =
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await fetch_text('resources/messaging-serialize-helpers.js');
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const message_target_script =
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await fetch_text('resources/message-target.js');
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// Get the inline script code from 'message-target.html'.
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const iframe = await add_iframe(test, { src: 'resources/message-target.html' });
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const iframe_script =
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iframe.contentWindow.document.getElementById('inline_script').outerHTML;
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iframe.remove();
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return '<!DOCTYPE html>' +
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`<script>${test_helpers_script}</script>` +
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`<script>${messaging_serialize_helpers_script}</script>` +
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`<script>${message_target_script}</script>` +
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`${iframe_script}`;
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}
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async function fetch_text(url) {
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const response = await fetch(url);
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return await response.text();
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}
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