traxys/tree-sitter
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Start work on web UI command

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This commit is contained in:
Max Brunsfeld 2019-05-13 21:51:17 -07:00
parent 7bc7306afb
commit a1ed12f4f4
8 changed files with 316 additions and 14 deletions
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19
docs/assets/js/playground.js
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@ -11,10 +11,7 @@ let tree;
const demoContainer = document.getElementById('playground-container');
const languagesByName = {};
await Promise.all([
codeInput.value = await fetch(scriptURL).then(r => r.text()),
TreeSitter.init()
]);
await TreeSitter.init();
const parser = new TreeSitter();
const codeEditor = CodeMirror.fromTextArea(codeInput, {
@ -182,11 +179,13 @@ let tree;
const node = tree.rootNode.namedDescendantForPosition(start, end);
if (treeRows) {
if (treeRowHighlightedIndex !== -1) {
treeRows[treeRowHighlightedIndex] = treeRows[treeRowHighlightedIndex].replace('highlighted', 'plain');
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) {
treeRows[treeRowHighlightedIndex] = treeRows[treeRowHighlightedIndex].replace('plain', 'highlighted');
const row = treeRows[treeRowHighlightedIndex];
if (row) treeRows[treeRowHighlightedIndex] = row.replace('plain', 'highlighted');
}
cluster.update(treeRows);
const lineHeight = cluster.options.item_height;
@ -220,7 +219,13 @@ let tree;
function handleLoggingChange() {
if (loggingCheckbox.checked) {
parser.setLogger(console.log);
parser.setLogger((message, lexing) => {
if (lexing) {
console.log(" ", message)
} else {
console.log(message)
}
});
} else {
parser.setLogger(null);
}