prettier/website/static/playground.js

446 lines
12 KiB
JavaScript

/* eslint-env browser */
/* eslint no-var: off, strict: off, prefer-arrow-callback: off */
/* global Clipboard CodeMirror formatMarkdown LZString */
var prettierVersion = "?";
var inputEditor;
var docEditor;
var astEditor;
var outputEditor;
var output2Editor;
var OPTIONS = [
"printWidth",
"tabWidth",
"singleQuote",
"trailingComma",
"bracketSpacing",
"jsxBracketSameLine",
"parser",
"semi",
"useTabs",
"insertPragma",
"requirePragma",
"proseWrap",
"arrowParens",
"doc",
"ast",
"output2"
];
var IDEMPOTENT_MESSAGE = "✓ Second format is unchanged.";
var worker = new Worker("/worker.js");
const DEFAULT_OPTIONS = {
options: undefined,
content: ""
};
window.onload = function() {
var state = (function loadState(hash) {
var parsed;
try {
// providing backwards support for old json encoded URIComponent
if (hash.indexOf("%7B%22") !== -1) {
parsed = JSON.parse(decodeURIComponent(hash));
} else {
parsed = JSON.parse(LZString.decompressFromEncodedURIComponent(hash));
}
} catch (error) {
return DEFAULT_OPTIONS;
}
// Support old links with the deprecated "postcss" value for the parser option.
if (parsed && parsed.options && parsed.options.parser === "postcss") {
parsed.options.parser = "css";
}
return parsed || DEFAULT_OPTIONS;
})(location.hash.slice(1));
worker.onmessage = function(message) {
if (prettierVersion === "?") {
prettierVersion = message.data.version;
var link = document.createElement("a");
var match = prettierVersion.match(/^\d+\.\d+\.\d+-pr.(\d+)$/);
if (match) {
link.href = "https://github.com/prettier/prettier/pull/" + match[1];
link.textContent = "PR #" + match[1];
prettierVersion = "pr-" + match[1];
} else {
if (prettierVersion.match(/\.0$/)) {
link.href =
"https://github.com/prettier/prettier/releases/tag/" +
prettierVersion;
} else {
link.href =
"https://github.com/prettier/prettier/blob/master/CHANGELOG.md#" +
prettierVersion.replace(/\./g, "");
}
link.textContent = "v" + prettierVersion;
}
document.getElementById("version").appendChild(link);
}
if (outputEditor && docEditor && astEditor) {
outputEditor.setValue(message.data.formatted);
docEditor.setValue(message.data.doc || "");
astEditor.setValue(message.data.ast || "");
output2Editor.setValue(
message.data.formatted === ""
? ""
: message.data.formatted2 === message.data.formatted
? IDEMPOTENT_MESSAGE
: message.data.formatted2 || ""
);
document.getElementById("button-report-issue").search =
"body=" + encodeURIComponent(createMarkdown(true));
}
};
// Warm up the worker (load the current parser while CodeMirror loads)
worker.postMessage({ text: "", options: state.options });
state.options && setOptions(state.options);
var editorOptions = {
lineNumbers: true,
keyMap: "sublime",
autoCloseBrackets: true,
matchBrackets: true,
showCursorWhenSelecting: true,
tabWidth: 2,
mode: "jsx"
};
inputEditor = CodeMirror.fromTextArea(
document.getElementById("input-editor"),
editorOptions
);
docEditor = CodeMirror.fromTextArea(document.getElementById("doc-editor"), {
readOnly: true,
lineNumbers: false,
mode: "jsx"
});
astEditor = CodeMirror.fromTextArea(document.getElementById("ast-editor"), {
readOnly: true,
lineNumbers: false,
mode: "jsx"
});
outputEditor = CodeMirror.fromTextArea(
document.getElementById("output-editor"),
{
readOnly: true,
lineNumbers: true,
mode: "jsx"
}
);
output2Editor = CodeMirror.fromTextArea(
document.getElementById("output2-editor"),
{
readOnly: true,
lineNumbers: true,
mode: "jsx"
}
);
var editors = document.querySelectorAll(".editor");
for (var i = 0; i < editors.length; i++) {
editors[i].classList.remove("loading");
}
setEditorStyles();
inputEditor.setValue(state.content);
inputEditor.on("change", formatAsync);
formatAsync();
document.querySelector(".options-container").onchange = formatAsync;
document.getElementById("button-clear").onclick = function() {
inputEditor.setValue("");
};
var optionsElement = document.getElementById("options-details");
document.getElementById("button-options").onclick = function() {
var classes = optionsElement.classList;
if (classes.contains("open")) {
classes.remove("open");
this.innerHTML = "Show options";
} else {
classes.add("open");
this.innerHTML = "Hide options";
}
};
var clipboard = new Clipboard("#button-copy-link, #button-copy-markdown", {
text: function(trigger) {
switch (trigger.id) {
case "button-copy-link":
return window.location.href;
case "button-copy-markdown":
return createMarkdown();
default:
return "";
}
}
});
clipboard.on("success", function(e) {
showTooltip(e.trigger, "Copied!");
});
clipboard.on("error", function(e) {
showTooltip(e.trigger, "Press ctrl+c to copy");
});
};
function setOptions(options) {
OPTIONS.forEach(function(option) {
var elem = document.getElementById(option);
if (elem.tagName === "SELECT") {
elem.value = options[option];
} else if (elem.type === "number") {
elem.value = options[option];
} else {
var isInverted = elem.hasAttribute("data-inverted");
elem.checked = isInverted ? !options[option] : options[option];
}
});
}
function getOptions() {
var options = {};
OPTIONS.forEach(function(option) {
var elem = document.getElementById(option);
if (elem.tagName === "SELECT") {
options[option] = elem.value;
} else if (elem.type === "number") {
options[option] = Number(elem.value);
} else {
var isInverted = elem.hasAttribute("data-inverted");
options[option] = isInverted ? !elem.checked : elem.checked;
}
});
return options;
}
function getCLIOptions() {
return OPTIONS.sort()
.map(function(option) {
var elem = document.getElementById(option);
var match = elem.parentNode.textContent.match(/--\S+/);
if (!match) {
return null;
}
var name = match[0];
if (elem.tagName === "SELECT") {
if (elem.value === elem.options[0].value) {
return null;
}
return [name, elem.value];
} else if (elem.type === "number") {
if (elem.value === elem.getAttribute("value")) {
return null;
}
return [name, elem.value];
} else if (elem.type === "checkbox") {
if (!elem.checked) {
return null;
}
return [name, true];
}
return null;
})
.filter(Boolean);
}
function replaceHash(hash) {
if (
typeof URL === "function" &&
typeof history === "object" &&
typeof history.replaceState === "function"
) {
var url = new URL(location);
url.hash = hash;
history.replaceState(null, null, url);
} else {
location.hash = hash;
}
}
function getCodemirrorMode(options) {
switch (options.parser) {
case "css":
case "less":
case "scss":
return "css";
case "markdown":
return "markdown";
default:
return "jsx";
}
}
function formatAsync() {
var options = getOptions();
setEditorStyles();
var value = LZString.compressToEncodedURIComponent(
JSON.stringify(
Object.assign({ content: inputEditor.getValue(), options: options })
)
);
replaceHash(value);
worker.postMessage({
text: inputEditor.getValue() || getExample(options.parser),
options: options,
ast: options.ast,
doc: options.doc,
formatted2: options.output2
});
}
function setEditorStyles() {
var options = getOptions();
inputEditor.setOption("placeholder", getExample(options.parser));
var mode = getCodemirrorMode(options);
inputEditor.setOption("mode", mode);
outputEditor.setOption("mode", mode);
output2Editor.setOption("mode", mode);
inputEditor.setOption("rulers", [
{ column: options.printWidth, color: "#eeeeee" }
]);
[outputEditor, output2Editor].forEach(function(editor) {
editor.setOption("rulers", [
{ column: options.printWidth, color: "#444444" }
]);
});
document.querySelector(".ast").style.display = options.ast ? "" : "none";
document.querySelector(".doc").style.display = options.doc ? "" : "none";
document.querySelector(".output2").style.display = options.output2
? ""
: "none";
}
function createMarkdown(full) {
var output = outputEditor.getValue();
var output2 = output2Editor.getValue();
var options = getOptions();
var input = inputEditor.getValue() || getExample(options.parser);
var cliOptions = getCLIOptions();
var markdown = formatMarkdown(
input,
output,
output2 === IDEMPOTENT_MESSAGE ? "" : output2,
prettierVersion,
window.location.href,
options,
cliOptions,
full
);
return markdown;
}
function showTooltip(elem, text) {
var tooltip = document.createElement("span");
tooltip.className = "tooltip";
tooltip.textContent = text;
elem.appendChild(tooltip);
window.setTimeout(function() {
elem.removeChild(tooltip);
}, 2000);
}
function getExample(parser) {
switch (parser) {
case "babylon":
return [
'function HelloWorld({greeting = "hello", greeted = \'"World"\', silent = false, onMouseOver,}) {',
"",
" if(!greeting){return null};",
"",
" // TODO: Don't use random in render",
' let num = Math.floor (Math.random() * 1E+7).toString().replace(/\\.\\d+/ig, "")',
"",
" return <div className='HelloWorld' title={`You are visitor number ${ num }`} onMouseOver={onMouseOver}>",
"",
" <strong>{ greeting.slice( 0, 1 ).toUpperCase() + greeting.slice(1).toLowerCase() }</strong>",
' {greeting.endsWith(",") ? " " : <span style={{color: \'\\grey\'}}>", "</span> }',
" <em>",
"\t{ greeted }",
"\t</em>",
" { (silent)",
' ? "."',
' : "!"}',
"",
" </div>;",
"",
"}"
].join("\n");
case "typescript":
return [
"interface MyInterface {",
" foo(): string,",
" bar: Array<number>,",
"}",
"",
"export abstract class Foo implements MyInterface {",
" foo() {",
" // TODO: return an actual value here",
" return 'hello'",
" }",
" get bar() {",
" return [ 1,",
"",
" 2, 3,",
" ]",
" }",
"}",
"",
"type RequestType = 'GET' | 'HEAD' | 'POST' | 'PUT' | 'OPTIONS' | 'CONNECT' | 'DELETE' | 'TRACE'"
].join("\n");
case "css":
// Excerpted from the Bootstrap source, which is licensed under the MIT license:
// https://github.com/twbs/bootstrap/blob/v4.0.0-beta.3/LICENSE
return [
"@media (max-width: 480px) {",
" .bd-examples {margin-right: -.75rem;margin-left: -.75rem",
" }",
" ",
' .bd-examples>[class^="col-"] {',
" padding-right: .75rem;",
" padding-left: .75rem;",
" ",
" }",
"}"
].join("\n");
case "scss":
// Excerpted from the Bootstrap source, which is licensed under the MIT license:
// https://github.com/twbs/bootstrap/blob/v4.0.0-beta.3/LICENSE
return [
"@function color-yiq($color) {",
" $r: red($color);$g: green($color);$b: blue($color);",
"",
" $yiq: (($r * 299) + ($g * 587) + ($b * 114)) / 1000;",
"",
" @if ($yiq >= $yiq-contrasted-threshold) {",
" @return $yiq-text-dark;",
"} @else {",
" @return $yiq-text-light;",
" }",
"}",
"",
"@each $color, $value in $colors {",
" .swatch-#{$color} {",
" color: color-yiq($value);",
" background-color: #{$value};",
" }",
"}"
].join("\n");
default:
return "";
}
}