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chore: add playground

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Ika 2019-09-01 02:06:30 +08:00
parent 9bac036d80
commit cf7ab22b99
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.gitattributes vendored
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* text eol=lf
*.wasm binary
/src/** linguist-generated
/src/scanner.cc linguist-generated=false

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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" href="tree-sitter-playground-0.15.8/style.css" media="screen" type="text/css">
<title>Tree-sitter YAML Playground</title>
<style>
#main-content {
left: 0;
padding-left: 20px;
}
#version {
font-size: 0.5em;
}
#credit {
margin-top: 20px;
font-style: italic;
}
</style>
</head>
<body>
<div id="container">
<main id="main-content">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.45.0/codemirror.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/clusterize.js/0.18.0/clusterize.min.css">
<h1><a href="https://github.com/ikatyang/tree-sitter-yaml">Tree-sitter YAML</a> <span id="version">v0.1.0</span></h1>
<div id="playground-container" style="visibility: hidden;">
<h4>Code</h4>
<select id="language-select">
<option value="yaml" selected="selected">YAML</option>
</select>
<input id="logging-checkbox" type="checkbox"></input>
<label for="logging-checkbox">Log</label>
<textarea id="code-input">
</textarea>
<h4>Tree</h4>
<span id="update-time"></span>
<div id="output-container-scroll">
<pre id="output-container" class="highlight"></pre>
</div>
</div>
<div id="credit">
This playground was modified from <a href="http://tree-sitter.github.io/tree-sitter/playground">the official Tree-sitter Playground</a>.
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.45.0/codemirror.min.js"></script>
<script>LANGUAGE_BASE_URL = "tree-sitter-yaml-0.1.0";</script>
<script src="web-tree-sitter-0.15.9/tree-sitter.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/clusterize.js/0.18.0/clusterize.min.js"></script>
<script src="https://code.jquery.com/jquery-3.3.1.min.js" crossorigin="anonymous"></script>
<script src="tree-sitter-playground-0.15.8/playground.js"></script>
<script>
(codeExample => {
const handle = setInterval(() => {
const $codeEditor = document.querySelector('.CodeMirror');
if ($codeEditor) {
$codeEditor.CodeMirror.setValue(codeExample);
clearInterval(handle);
}
}, 500);
})(`
---
invoice: 34843
date : 2001-01-23
bill-to: &id001
given : Chris
family : Dumars
address:
lines: |
458 Walkman Dr.
Suite #292
city : Royal Oak
state : MI
postal : 48046
ship-to: *id001
product:
- sku : BL394D
quantity : 4
description : Basketball
price : 450.00
- sku : BL4438H
quantity : 1
description : Super Hoop
price : 2392.00
tax : 251.42
total: 4443.52
comments: >
Late afternoon is best.
Backup contact is Nancy
Billsmer @ 338-4338.
`.trim());
</script>
</main>
</div>
</body>
</html>

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The MIT License (MIT)
Copyright (c) 2018 Max Brunsfeld
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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let tree;
(async () => {
const scriptURL = document.currentScript.getAttribute('src');
const codeInput = document.getElementById('code-input');
const languageSelect = document.getElementById('language-select');
const loggingCheckbox = document.getElementById('logging-checkbox');
const outputContainer = document.getElementById('output-container');
const outputContainerScroll = document.getElementById('output-container-scroll');
const updateTimeSpan = document.getElementById('update-time');
const demoContainer = document.getElementById('playground-container');
const languagesByName = {};
await TreeSitter.init();
const parser = new TreeSitter();
const codeEditor = CodeMirror.fromTextArea(codeInput, {
lineNumbers: true,
showCursorWhenSelecting: true
});
const cluster = new Clusterize({
rows: [],
noDataText: null,
contentElem: outputContainer,
scrollElem: outputContainerScroll
});
const renderTreeOnCodeChange = debounce(renderTree, 50);
let languageName = languageSelect.value;
let treeRows = null;
let treeRowHighlightedIndex = -1;
let parseCount = 0;
let isRendering = 0;
codeEditor.on('changes', handleCodeChange);
codeEditor.on('cursorActivity', debounce(handleCursorMovement, 150));
loggingCheckbox.addEventListener('change', handleLoggingChange);
languageSelect.addEventListener('change', handleLanguageChange);
outputContainer.addEventListener('click', handleTreeClick);
await handleLanguageChange()
demoContainer.style.visibility = 'visible';
async function handleLanguageChange() {
const newLanguageName = languageSelect.value;
if (!languagesByName[newLanguageName]) {
const url = `${LANGUAGE_BASE_URL}/tree-sitter-${newLanguageName}.wasm`
languageSelect.disabled = true;
try {
languagesByName[newLanguageName] = await TreeSitter.Language.load(url);
} catch (e) {
console.error(e);
languageSelect.value = languageName;
return
} finally {
languageSelect.disabled = false;
}
}
tree = null;
languageName = newLanguageName;
parser.setLanguage(languagesByName[newLanguageName]);
handleCodeChange();
}
async function handleCodeChange(editor, changes) {
const newText = codeEditor.getValue() + '\n';
const start = performance.now();
if (tree && changes) {
for (const change of changes) {
tree.edit(treeEditForEditorChange(change));
}
}
const newTree = parser.parse(newText, tree);
const duration = (performance.now() - start).toFixed(1);
updateTimeSpan.innerText = `${duration} ms`;
if (tree) tree.delete();
tree = newTree;
parseCount++;
renderTreeOnCodeChange();
}
async function renderTree() {
isRendering++;
const cursor = tree.walk();
let currentRenderCount = parseCount;
let row = '';
let rows = [];
let finishedRow = false;
let visitedChildren = false;
let indentLevel = 0;
for (let i = 0;; i++) {
if (i > 0 && i % 10000 === 0) {
await new Promise(r => setTimeout(r, 0));
if (parseCount !== currentRenderCount) {
cursor.delete();
isRendering--;
return;
}
}
let displayName;
if (cursor.nodeIsMissing) {
displayName = `MISSING ${cursor.nodeType}`
} else if (cursor.nodeIsNamed) {
displayName = cursor.nodeType;
}
if (visitedChildren) {
if (displayName) {
finishedRow = true;
}
if (cursor.gotoNextSibling()) {
visitedChildren = false;
} else if (cursor.gotoParent()) {
visitedChildren = true;
indentLevel--;
} else {
break;
}
} else {
if (displayName) {
if (finishedRow) {
row += '</div>';
rows.push(row);
finishedRow = false;
}
const start = cursor.startPosition;
const end = cursor.endPosition;
const id = cursor.nodeId;
let fieldName = cursor.currentFieldName();
if (fieldName) {
fieldName += ': ';
} else {
fieldName = '';
}
row = `<div>${' '.repeat(indentLevel)}${fieldName}<a class='plain' href="#" data-id=${id} data-range="${start.row},${start.column},${end.row},${end.column}">${displayName}</a> [${start.row}, ${start.column}] - [${end.row}, ${end.column}])`;
finishedRow = true;
}
if (cursor.gotoFirstChild()) {
visitedChildren = false;
indentLevel++;
} else {
visitedChildren = true;
}
}
}
if (finishedRow) {
row += '</div>';
rows.push(row);
}
cursor.delete();
cluster.update(rows);
treeRows = rows;
isRendering--;
handleCursorMovement();
}
function handleCursorMovement() {
if (isRendering) return;
const selection = codeEditor.getDoc().listSelections()[0];
let start = {row: selection.anchor.line, column: selection.anchor.ch};
let end = {row: selection.head.line, column: selection.head.ch};
if (
start.row > end.row ||
(
start.row === end.row &&
start.column > end.column
)
) {
let swap = end;
end = start;
start = swap;
}
const node = tree.rootNode.namedDescendantForPosition(start, end);
if (treeRows) {
if (treeRowHighlightedIndex !== -1) {
const row = treeRows[treeRowHighlightedIndex];
if (row) treeRows[treeRowHighlightedIndex] = row.replace('highlighted', 'plain');
}
treeRowHighlightedIndex = treeRows.findIndex(row => row.includes(`data-id=${node.id}`));
if (treeRowHighlightedIndex !== -1) {
const row = treeRows[treeRowHighlightedIndex];
if (row) treeRows[treeRowHighlightedIndex] = row.replace('plain', 'highlighted');
}
cluster.update(treeRows);
const lineHeight = cluster.options.item_height;
const scrollTop = outputContainerScroll.scrollTop;
const containerHeight = outputContainerScroll.clientHeight;
const offset = treeRowHighlightedIndex * lineHeight;
if (scrollTop > offset - 20) {
$(outputContainerScroll).animate({scrollTop: offset - 20}, 150);
} else if (scrollTop < offset + lineHeight + 40 - containerHeight) {
$(outputContainerScroll).animate({scrollTop: offset - containerHeight + 40}, 150);
}
}
}
function handleTreeClick(event) {
if (event.target.tagName === 'A') {
event.preventDefault();
const [startRow, startColumn, endRow, endColumn] = event
.target
.dataset
.range
.split(',')
.map(n => parseInt(n));
codeEditor.focus();
codeEditor.setSelection(
{line: startRow, ch: startColumn},
{line: endRow, ch: endColumn}
);
}
}
function handleLoggingChange() {
if (loggingCheckbox.checked) {
parser.setLogger((message, lexing) => {
if (lexing) {
console.log(" ", message)
} else {
console.log(message)
}
});
} else {
parser.setLogger(null);
}
}
function treeEditForEditorChange(change) {
const oldLineCount = change.removed.length;
const newLineCount = change.text.length;
const lastLineLength = change.text[newLineCount - 1].length;
const startPosition = {row: change.from.line, column: change.from.ch};
const oldEndPosition = {row: change.to.line, column: change.to.ch};
const newEndPosition = {
row: startPosition.row + newLineCount - 1,
column: newLineCount === 1
? startPosition.column + lastLineLength
: lastLineLength
};
const startIndex = codeEditor.indexFromPos(change.from);
let newEndIndex = startIndex + newLineCount - 1;
let oldEndIndex = startIndex + oldLineCount - 1;
for (let i = 0; i < newLineCount; i++) newEndIndex += change.text[i].length;
for (let i = 0; i < oldLineCount; i++) oldEndIndex += change.removed[i].length;
return {
startIndex, oldEndIndex, newEndIndex,
startPosition, oldEndPosition, newEndPosition
};
}
function debounce(func, wait, immediate) {
var timeout;
return function() {
var context = this, args = arguments;
var later = function() {
timeout = null;
if (!immediate) func.apply(context, args);
};
var callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, wait);
if (callNow) func.apply(context, args);
};
}
})();

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