656 lines
18 KiB
JavaScript
656 lines
18 KiB
JavaScript
/* eslint-env browser */
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/* eslint no-var: off, strict: off, prefer-arrow-callback: off */
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/* global Clipboard CodeMirror formatMarkdown LZString */
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var prettierVersion = "?";
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var inputEditor;
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var docEditor;
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var astEditor;
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var outputEditor;
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var output2Editor;
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var OPTIONS = [
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"printWidth",
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"tabWidth",
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"singleQuote",
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"trailingComma",
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"bracketSpacing",
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"jsxBracketSameLine",
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"parser",
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"semi",
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"useTabs",
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"insertPragma",
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"requirePragma",
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"proseWrap",
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"arrowParens",
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"rangeStart",
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"rangeEnd",
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"doc",
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"ast",
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"output2"
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];
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var IDEMPOTENT_MESSAGE = "✓ Second format is unchanged.";
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var worker = new Worker("/worker.js");
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const DEFAULT_OPTIONS = {
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options: undefined,
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content: ""
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};
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function createRangeOverlay(rangeStartLocation, rangeEndLocation) {
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var rangeStartLine = rangeStartLocation.line;
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var rangeEndLine = rangeEndLocation.line;
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var rangeStartPos = rangeStartLocation.pos;
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var rangeEndPos = rangeEndLocation.pos;
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var isEndOnSameLineAsStart = rangeStartLine === rangeEndLine;
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var highlightedToken = "searching";
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return {
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token: function(stream) {
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var currentLine = stream.lineOracle.line;
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// we are on the line containing rangeStart
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if (currentLine === rangeStartLine) {
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// on the same line as, but not reached rangeStart yet,
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// jump straight to it
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if (rangeStartPos > stream.pos) {
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stream.pos = rangeStartPos;
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return;
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}
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// the rangeEnd is on the same line as the rangeStart
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if (isEndOnSameLineAsStart) {
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// we are still within the range,
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// keep iterating along the string stream,
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// marking it as highlighted
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if (stream.pos < rangeEndPos) {
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stream.pos += 1;
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return highlightedToken;
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}
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// we've moved outside of the range
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// just skip to the end
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return stream.skipToEnd();
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}
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// keep iterating along the string stream,
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// marking it as highlighted
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stream.pos += 1;
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return highlightedToken;
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}
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// we are on the line containing rangeEnd
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if (currentLine === rangeEndLine) {
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// keep iterating along the string stream,
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// marking it as highlighted
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if (rangeEndPos > stream.pos) {
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stream.pos += 1;
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return highlightedToken;
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}
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// we've moved outside of the range
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// just skip to the end
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return stream.skipToEnd();
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}
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// we are on a line which is completely included
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// within the range, mark it all as highlighted
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if (currentLine > rangeStartLine && currentLine < rangeEndLine) {
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stream.skipToEnd();
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return highlightedToken;
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}
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// no action can be required on the current line
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// as it must fall outside of the range,
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// so just skip to the end
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return stream.skipToEnd();
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}
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};
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}
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function indexToEditorLocation(editorContent, index) {
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var line = 0;
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var count = 0;
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var startIndex = 0;
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for (var c, i = 0; count < index && i < editorContent.length; i++) {
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count++;
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c = editorContent[i];
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if (c === "\n") {
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line++;
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startIndex = count;
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}
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}
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return {
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line: line,
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pos: count - startIndex
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};
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}
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window.onload = function() {
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var state = (function loadState(hash) {
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var parsed;
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try {
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// providing backwards support for old json encoded URIComponent
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if (hash.indexOf("%7B%22") !== -1) {
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parsed = JSON.parse(decodeURIComponent(hash));
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} else {
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parsed = JSON.parse(LZString.decompressFromEncodedURIComponent(hash));
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}
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} catch (error) {
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return DEFAULT_OPTIONS;
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}
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// Support old links with the deprecated "postcss" value for the parser option.
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if (parsed && parsed.options && parsed.options.parser === "postcss") {
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parsed.options.parser = "css";
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}
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return parsed || DEFAULT_OPTIONS;
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})(location.hash.slice(1));
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worker.onmessage = function(message) {
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if (prettierVersion === "?") {
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prettierVersion = message.data.version;
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var link = document.createElement("a");
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var match = prettierVersion.match(/^\d+\.\d+\.\d+-pr.(\d+)$/);
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if (match) {
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link.href = "https://github.com/prettier/prettier/pull/" + match[1];
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link.textContent = "PR #" + match[1];
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prettierVersion = "pr-" + match[1];
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} else {
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if (prettierVersion.match(/\.0$/)) {
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link.href =
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"https://github.com/prettier/prettier/releases/tag/" +
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prettierVersion;
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} else {
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link.href =
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"https://github.com/prettier/prettier/blob/master/CHANGELOG.md#" +
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prettierVersion.replace(/\./g, "");
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}
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link.textContent = "v" + prettierVersion;
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}
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document.getElementById("version").appendChild(link);
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}
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if (outputEditor && docEditor && astEditor) {
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outputEditor.setValue(message.data.formatted);
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docEditor.setValue(message.data.doc || "");
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astEditor.setValue(message.data.ast || "");
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output2Editor.setValue(
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message.data.formatted === ""
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? ""
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: message.data.formatted2 === message.data.formatted
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? IDEMPOTENT_MESSAGE
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: message.data.formatted2 || ""
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);
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document.getElementById("button-report-issue").search =
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"body=" + encodeURIComponent(createMarkdown(true));
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}
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};
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// Warm up the worker (load the current parser while CodeMirror loads)
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worker.postMessage({ text: "", options: state.options });
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state.options && setOptions(state.options);
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var editorOptions = {
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lineNumbers: true,
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keyMap: "sublime",
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autoCloseBrackets: true,
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matchBrackets: true,
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showCursorWhenSelecting: true,
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tabWidth: 2,
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mode: "jsx"
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};
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inputEditor = CodeMirror.fromTextArea(
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document.getElementById("input-editor"),
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editorOptions
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);
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docEditor = CodeMirror.fromTextArea(document.getElementById("doc-editor"), {
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readOnly: true,
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lineNumbers: false,
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mode: "jsx"
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});
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astEditor = CodeMirror.fromTextArea(document.getElementById("ast-editor"), {
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readOnly: true,
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lineNumbers: false,
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mode: "jsx"
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});
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outputEditor = CodeMirror.fromTextArea(
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document.getElementById("output-editor"),
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{
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readOnly: true,
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lineNumbers: true,
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mode: "jsx"
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}
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);
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output2Editor = CodeMirror.fromTextArea(
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document.getElementById("output2-editor"),
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{
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readOnly: true,
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lineNumbers: true,
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mode: "jsx"
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}
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);
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var editors = document.querySelectorAll(".editor");
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for (var i = 0; i < editors.length; i++) {
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editors[i].classList.remove("loading");
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}
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setEditorStyles();
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inputEditor.setValue(state.content);
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inputEditor.on("change", formatAsync);
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formatAsync();
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document.querySelector(".options-container").onchange = formatAsync;
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document.getElementById("button-clear").onclick = function() {
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inputEditor.setValue("");
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};
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var optionsElement = document.getElementById("options-details");
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document.getElementById("button-options").onclick = function() {
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var classes = optionsElement.classList;
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if (classes.contains("open")) {
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classes.remove("open");
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this.innerHTML = "Show options";
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} else {
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classes.add("open");
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this.innerHTML = "Hide options";
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}
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};
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var clipboard = new Clipboard("#button-copy-link, #button-copy-markdown", {
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text: function(trigger) {
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switch (trigger.id) {
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case "button-copy-link":
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return window.location.href;
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case "button-copy-markdown":
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return createMarkdown();
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default:
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return "";
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}
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}
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});
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clipboard.on("success", function(e) {
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showTooltip(e.trigger, "Copied!");
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});
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clipboard.on("error", function(e) {
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showTooltip(e.trigger, "Press ctrl+c to copy");
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});
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};
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function setOptions(options) {
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OPTIONS.forEach(function(option) {
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var elem = document.getElementById(option);
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if (elem.tagName === "SELECT") {
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elem.value = options[option];
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} else if (elem.type === "number") {
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elem.value = options[option];
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} else {
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var isInverted = elem.hasAttribute("data-inverted");
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elem.checked = isInverted ? !options[option] : options[option];
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}
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});
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}
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function getOptions() {
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var options = {};
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OPTIONS.forEach(function(option) {
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var elem = document.getElementById(option);
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if (elem.tagName === "SELECT") {
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options[option] = elem.value;
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} else if (elem.type === "number") {
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if (elem.value !== "") {
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options[option] = Number(elem.value);
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}
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} else {
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var isInverted = elem.hasAttribute("data-inverted");
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options[option] = isInverted ? !elem.checked : elem.checked;
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}
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});
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return options;
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}
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function getCLIOptions() {
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return OPTIONS.sort()
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.map(function(option) {
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var elem = document.getElementById(option);
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var match = elem.parentNode.textContent.match(/--\S+/);
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if (!match) {
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return null;
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}
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var name = match[0];
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if (elem.tagName === "SELECT") {
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if (elem.value === elem.options[0].value) {
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return null;
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}
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return [name, elem.value];
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} else if (elem.type === "number") {
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if (elem.value === elem.getAttribute("value")) {
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return null;
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}
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return [name, elem.value];
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} else if (elem.type === "checkbox") {
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if (!elem.checked) {
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return null;
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}
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return [name, true];
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}
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return null;
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})
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.filter(Boolean);
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}
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function replaceHash(hash) {
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if (
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typeof URL === "function" &&
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typeof history === "object" &&
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typeof history.replaceState === "function"
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) {
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var url = new URL(location);
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url.hash = hash;
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history.replaceState(null, null, url);
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} else {
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location.hash = hash;
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}
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}
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function getCodemirrorMode(options) {
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switch (options.parser) {
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case "css":
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case "less":
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case "scss":
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return "css";
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case "markdown":
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return "markdown";
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default:
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return "jsx";
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}
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}
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var inputEditorOverlay;
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function formatAsync() {
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var options = getOptions();
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setEditorStyles();
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var value = LZString.compressToEncodedURIComponent(
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JSON.stringify(
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Object.assign({ content: inputEditor.getValue(), options: options })
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)
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);
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replaceHash(value);
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if (
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typeof options.rangeStart === "number" &&
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typeof options.rangeEnd === "number"
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) {
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var rangeStartLocation = indexToEditorLocation(
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inputEditor.getValue(),
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options.rangeStart
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);
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var rangeEndLocation = indexToEditorLocation(
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inputEditor.getValue(),
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options.rangeEnd
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);
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inputEditor.removeOverlay(inputEditorOverlay);
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inputEditorOverlay = createRangeOverlay(
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rangeStartLocation,
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rangeEndLocation
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);
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inputEditor.addOverlay(inputEditorOverlay);
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}
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worker.postMessage({
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text: inputEditor.getValue() || getExample(options.parser),
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options: options,
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ast: options.ast,
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doc: options.doc,
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formatted2: options.output2
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});
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}
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function setEditorStyles() {
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var options = getOptions();
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inputEditor.setOption("placeholder", getExample(options.parser));
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var mode = getCodemirrorMode(options);
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inputEditor.setOption("mode", mode);
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outputEditor.setOption("mode", mode);
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output2Editor.setOption("mode", mode);
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inputEditor.setOption("rulers", [
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{ column: options.printWidth, color: "#eeeeee" }
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]);
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[outputEditor, output2Editor].forEach(function(editor) {
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editor.setOption("rulers", [
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{ column: options.printWidth, color: "#444444" }
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]);
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});
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document.querySelector(".ast").style.display = options.ast ? "" : "none";
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document.querySelector(".doc").style.display = options.doc ? "" : "none";
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document.querySelector(".output2").style.display = options.output2
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? ""
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: "none";
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}
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function createMarkdown(full) {
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var output = outputEditor.getValue();
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var output2 = output2Editor.getValue();
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var options = getOptions();
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var input = inputEditor.getValue() || getExample(options.parser);
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var cliOptions = getCLIOptions();
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var markdown = formatMarkdown(
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input,
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output,
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output2 === IDEMPOTENT_MESSAGE ? "" : output2,
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prettierVersion,
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window.location.href,
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options,
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cliOptions,
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full
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);
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return markdown;
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}
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function showTooltip(elem, text) {
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var tooltip = document.createElement("span");
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tooltip.className = "tooltip";
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tooltip.textContent = text;
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elem.appendChild(tooltip);
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window.setTimeout(function() {
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elem.removeChild(tooltip);
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}, 2000);
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}
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function getExample(parser) {
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switch (parser) {
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case "babylon":
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return [
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'function HelloWorld({greeting = "hello", greeted = \'"World"\', silent = false, onMouseOver,}) {',
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"",
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" if(!greeting){return null};",
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"",
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" // TODO: Don't use random in render",
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' let num = Math.floor (Math.random() * 1E+7).toString().replace(/\\.\\d+/ig, "")',
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"",
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" return <div className='HelloWorld' title={`You are visitor number ${ num }`} onMouseOver={onMouseOver}>",
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"",
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" <strong>{ greeting.slice( 0, 1 ).toUpperCase() + greeting.slice(1).toLowerCase() }</strong>",
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' {greeting.endsWith(",") ? " " : <span style={{color: \'\\grey\'}}>", "</span> }',
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" <em>",
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"\t{ greeted }",
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"\t</em>",
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" { (silent)",
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' ? "."',
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' : "!"}',
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"",
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" </div>;",
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"",
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"}"
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].join("\n");
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case "flow":
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return [
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"declare export function graphql<Props, Variables, Component: React$ComponentType<Props>>",
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" (query: GQLDocument, config?: Config<Props, QueryConfigOptions<Variables>>):",
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" (Component: Component) => React$ComponentType<$Diff<React$ElementConfig<Component>, {",
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" data: Object|void,",
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" mutate: Function|void",
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" }>>",
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"",
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'declare type FetchPolicy = "cache-first" | "cache-and-network" | "network-only" | "cache-only"'
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].join("\n");
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case "typescript":
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return [
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"interface MyInterface {",
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" foo(): string,",
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" bar: Array<number>,",
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"}",
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"",
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"export abstract class Foo implements MyInterface {",
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" foo() {",
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" // TODO: return an actual value here",
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" return 'hello'",
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" }",
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" get bar() {",
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" return [ 1,",
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"",
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" 2, 3,",
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" ]",
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" }",
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"}",
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"",
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"type RequestType = 'GET' | 'HEAD' | 'POST' | 'PUT' | 'OPTIONS' | 'CONNECT' | 'DELETE' | 'TRACE'"
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].join("\n");
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case "css":
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// Excerpted from the Bootstrap source, which is licensed under the MIT license:
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// https://github.com/twbs/bootstrap/blob/v4.0.0-beta.3/LICENSE
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return [
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"@media (max-width: 480px) {",
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" .bd-examples {margin-right: -.75rem;margin-left: -.75rem",
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" }",
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" ",
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' .bd-examples>[class^="col-"] {',
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" padding-right: .75rem;",
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" padding-left: .75rem;",
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" ",
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" }",
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"}"
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].join("\n");
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case "scss":
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// Excerpted from the Bootstrap source, which is licensed under the MIT license:
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// https://github.com/twbs/bootstrap/blob/v4.0.0-beta.3/LICENSE
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return [
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"@function color-yiq($color) {",
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" $r: red($color);$g: green($color);$b: blue($color);",
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"",
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" $yiq: (($r * 299) + ($g * 587) + ($b * 114)) / 1000;",
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"",
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" @if ($yiq >= $yiq-contrasted-threshold) {",
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" @return $yiq-text-dark;",
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"} @else {",
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" @return $yiq-text-light;",
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" }",
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"}",
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"",
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"@each $color, $value in $colors {",
|
|
" .swatch-#{$color} {",
|
|
" color: color-yiq($value);",
|
|
" background-color: #{$value};",
|
|
" }",
|
|
"}"
|
|
].join("\n");
|
|
case "less":
|
|
// Copied from http://lesscss.org/features/#detached-rulesets-feature
|
|
return [
|
|
"@my-ruleset: {",
|
|
" .my-selector {",
|
|
" @media tv {",
|
|
" background-color: black;",
|
|
" }",
|
|
" }",
|
|
" };",
|
|
"@media (orientation:portrait) {",
|
|
" @my-ruleset();",
|
|
"}"
|
|
].join("\n");
|
|
case "json":
|
|
// Excerpted & adapted from Wikipedia, under the Creative Commons Attribution-ShareAlike License
|
|
// https://en.wikipedia.org/wiki/JSON#Example
|
|
return [
|
|
'{"allOn": "Single", "Line": "example",',
|
|
'"noSpace":true,',
|
|
' "quote": {',
|
|
" 'singleQuote': 'example',",
|
|
' "indented": true,',
|
|
" },",
|
|
' "phoneNumbers": [',
|
|
' {"type": "home",',
|
|
' "number": "212 555-1234"},',
|
|
' {"type": "office",',
|
|
' "trailing": "commas by accident"},',
|
|
" ],",
|
|
"}"
|
|
].join("\n");
|
|
case "graphql":
|
|
return [
|
|
"query Browse($offset: Int, $limit: Int, $categories: [String!], $search: String) {",
|
|
" browse(limit: $limit, offset: $offset, categories: $categories, search: $search) {",
|
|
" total,",
|
|
" results {",
|
|
" title",
|
|
" price",
|
|
" }",
|
|
" }",
|
|
"}"
|
|
].join("\n");
|
|
case "markdown":
|
|
return [
|
|
"Header",
|
|
"======",
|
|
"",
|
|
"_Look,_ code blocks are formatted *too!*",
|
|
"",
|
|
"``` js",
|
|
"function identity(x) { return x }",
|
|
"```",
|
|
"",
|
|
"Pilot|Airport|Hours",
|
|
"--|:--:|--:",
|
|
"John Doe|SKG|1338",
|
|
"Jane Roe|JFK|314",
|
|
"",
|
|
"- - - - - - - - - - - - - - -",
|
|
"",
|
|
"+ List",
|
|
" + with a [link] (/to/somewhere)",
|
|
"+ and [another one]",
|
|
"",
|
|
"",
|
|
" [another one]: http://example.com 'Example title'",
|
|
"",
|
|
"Lorem ipsum dolor sit amet, consectetur adipiscing elit.",
|
|
"Curabitur consectetur maximus risus, sed maximus tellus tincidunt et."
|
|
].join("\n");
|
|
case "vue":
|
|
return [
|
|
"<template>",
|
|
" <p>Templates are not formatted yet ...",
|
|
" </p>",
|
|
"</template>",
|
|
"",
|
|
"<script>",
|
|
"let Prettier = format => { your.js('though') }",
|
|
"</script>",
|
|
"",
|
|
"<style>",
|
|
".and { css: too! important }",
|
|
"</style>"
|
|
].join("\n");
|
|
default:
|
|
return "";
|
|
}
|
|
}
|