prettierx: apply language-js features based on Prettier 2.3.1

(with limited updates needed in src/language-js/needs-parens.js) based on some updates from: - #549 - #569 TODO items: - include test updates from prettierX dev branch - update documentation Co-authored-by: Adaline Valentina Simonian <[email protected]> Co-authored-by: Christopher J. Brody <[email protected]>
brodycj · Jun 15, 2021 · cdbf995 · cdbf995
1 parent b5ef976
commit cdbf995
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Showing 45 changed files with 1,805 additions and 212 deletions.
diff --git a/src/language-js/comments.js b/src/language-js/comments.js
@@ -170,6 +170,8 @@ function handleIfStatementComments({
   enclosingNode,
   followingNode,
   text,
+  // [prettierx] support --break-before-else option
+  options,
 }) {
   if (
     !enclosingNode ||
@@ -201,7 +203,8 @@ function handleIfStatementComments({
     precedingNode === enclosingNode.consequent &&
     followingNode === enclosingNode.alternate
   ) {
-    if (precedingNode.type === "BlockStatement") {
+    // [prettierx] --break-before-else option support
+    if (precedingNode.type === "BlockStatement" && !options.breakBeforeElse) {
       addTrailingComment(precedingNode, comment);
     } else {
       addDanglingComment(enclosingNode, comment);

diff --git a/src/language-js/embed.js b/src/language-js/embed.js
@@ -55,11 +55,13 @@ function embed(path, print, textToDoc, options) {
   }
 
   if (language === "css") {
-    return formatCss(path, print, textToDoc);
+    // [prettierx] templateCurlySpacing option support (...)
+    return formatCss(path, print, textToDoc, options);
   }
 
   if (language === "graphql") {
-    return formatGraphql(path, print, textToDoc);
+    // [prettierx] templateCurlySpacing option support (...)
+    return formatGraphql(path, print, textToDoc, options);
   }
 
   if (language === "html" || language === "angular") {

diff --git a/src/language-js/embed/css.js b/src/language-js/embed/css.js
@@ -7,7 +7,8 @@ const {
 } = require("../../document");
 const { printTemplateExpressions } = require("../print/template-literal");
 
-function format(path, print, textToDoc) {
+// [prettierx] templateCurlySpacing option support (...)
+function format(path, print, textToDoc, options) {
   const node = path.getValue();
 
   // Get full template literal with expressions replaced by placeholders
@@ -29,7 +30,8 @@ function format(path, print, textToDoc) {
     { parser: "scss" },
     { stripTrailingHardline: true }
   );
-  const expressionDocs = printTemplateExpressions(path, print);
+  // [prettierx] templateCurlySpacing option support (...)
+  const expressionDocs = printTemplateExpressions(path, print, options);
   return transformCssDoc(doc, node, expressionDocs);
 }
 

diff --git a/src/language-js/embed/graphql.js b/src/language-js/embed/graphql.js
@@ -8,15 +8,17 @@ const {
   printTemplateExpressions,
 } = require("../print/template-literal");
 
-function format(path, print, textToDoc) {
+// [prettierx] with templateCurlySpacing option support (...)
+function format(path, print, textToDoc, options) {
   const node = path.getValue();
 
   const numQuasis = node.quasis.length;
   if (numQuasis === 1 && node.quasis[0].value.raw.trim() === "") {
     return "``";
   }
 
-  const expressionDocs = printTemplateExpressions(path, print);
+  // [prettierx] templateCurlySpacing option support (...)
+  const expressionDocs = printTemplateExpressions(path, print, options);
   const parts = [];
 
   for (let i = 0; i < numQuasis; i++) {

diff --git a/src/language-js/embed/html.js b/src/language-js/embed/html.js
@@ -27,7 +27,8 @@ function format(path, print, textToDoc, options, { parser }) {
     )
     .join("");
 
-  const expressionDocs = printTemplateExpressions(path, print);
+  // [prettierx] templateCurlySpacing option support (...)
+  const expressionDocs = printTemplateExpressions(path, print, options);
   if (expressionDocs.length === 0 && text.trim().length === 0) {
     return "``";
   }

diff --git a/src/language-js/index.js b/src/language-js/index.js
@@ -31,7 +31,9 @@ const languages = [
   createLanguage(require("linguist-languages/data/JavaScript.json"), () => ({
     name: "Flow",
     since: "0.0.0",
-    parsers: ["flow", "babel-flow"],
+    // [prettierx] must use Babel by default
+    // (since the flow-parser is now an optional dependency in prettierx)
+    parsers: ["babel-flow", "flow"],
     vscodeLanguageIds: ["javascript"],
     aliases: [],
     filenames: [],
@@ -63,12 +65,14 @@ const languages = [
   })),
   createLanguage(require("linguist-languages/data/TypeScript.json"), () => ({
     since: "1.4.0",
-    parsers: ["typescript", "babel-ts"],
+    // [prettierx] use babel-ts for TypeScript by default here
+    parsers: ["babel-ts", "typescript"],
     vscodeLanguageIds: ["typescript"],
   })),
   createLanguage(require("linguist-languages/data/TSX.json"), () => ({
     since: "1.4.0",
-    parsers: ["typescript", "babel-ts"],
+    // [prettierx] use babel-ts for TypeScript by default here
+    parsers: ["babel-ts", "typescript"],
     vscodeLanguageIds: ["typescriptreact"],
   })),
   createLanguage(require("linguist-languages/data/JSON.json"), () => ({

diff --git a/src/language-js/needs-parens.js b/src/language-js/needs-parens.js
@@ -28,7 +28,8 @@ function needsParens(path, options) {
   // to avoid unexpected `}}` in HTML interpolations
   if (
     options.__isInHtmlInterpolation &&
-    !options.bracketSpacing &&
+    // [prettierx]: objectCurlySpacing option support
+    !options.objectCurlySpacing &&
     endsWithRightBracket(node) &&
     isFollowedByRightBracket(path)
   ) {

diff --git a/src/language-js/options.js b/src/language-js/options.js
@@ -26,7 +26,110 @@ module.exports = {
       },
     ],
   },
-  bracketSpacing: commonOptions.bracketSpacing,
+  // [prettierx ...]
+  arrayBracketSpacing: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description:
+      "Put spaces between array brackets (similar to the corresponding eslint option). Status: experimental, with limited testing.",
+  },
+  computedPropertySpacing: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description:
+      "Put spaces between computed property brackets (similar to the corresponding eslint option). Status: experimental, with limited testing.",
+  },
+  indentChains: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: true,
+    description: "Put indents at the start of chained calls.",
+    oppositeDescription: "Disable indents at the start of chained calls.",
+  },
+  importFormatting: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "choice",
+    default: "auto",
+    description:
+      "Formatting of import statements, may be `oneline` to avoid conflict with" +
+      ' VSCode "Organize Imports" feature.',
+    choices: [
+      {
+        value: "auto",
+        description: "automatic formatting, like Prettier",
+      },
+      {
+        value: "oneline",
+        description: "keep import statements on one line",
+      },
+    ],
+  },
+  spaceInParens: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description:
+      'Print spaces in between parens, WordPress style (similar to the corresponding eslint option). Not recommended in combination with the default `arrowParens: "always"` option. Status: experimental, with limited testing.',
+  },
+  spaceUnaryOps: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description:
+      "Put spaces after unary operator symbols, except in the middle of `!!` (similar to the corresponding eslint option). Status: experimental, with limited testing.",
+  },
+  templateCurlySpacing: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description:
+      "Put spaces between template curly brackets (similar to the corresponding eslint option). Status: experimental, with limited testing.",
+  },
+  typeAngleBracketSpacing: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description:
+      "Put spaces between type angle brackets. Status: experimental, with limited testing.",
+  },
+  typeBracketSpacing: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description:
+      "Print spaces between type brackets. Status: experimental, with limited testing.",
+  },
+  exportCurlySpacing: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: true,
+    description: "Put spaces between export curly braces.",
+    oppositeDescription: "Disable spaces between export curly braces.",
+  },
+  importCurlySpacing: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: true,
+    description: "Put spaces between import curly braces.",
+    oppositeDescription: "Disable spaces between import curly braces.",
+  },
+  objectCurlySpacing: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: true,
+    description:
+      "Put spaces between object curly braces (similar to the corresponding eslint option).",
+    oppositeDescription: "Disable spaces between object curly braces.",
+  },
+  typeCurlySpacing: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: true,
+    description: "Put spaces between type curly braces.",
+    oppositeDescription: "Disable spaces between type curly braces.",
+  },
   jsxBracketSameLine: {
     since: "0.17.0",
     category: CATEGORY_JAVASCRIPT,
@@ -43,6 +146,54 @@ module.exports = {
     oppositeDescription:
       "Do not print semicolons, except at the beginning of lines which may need them.",
   },
+  // [prettierx ...]
+  alignObjectProperties: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description: "Align colons in multiline object literals.",
+  },
+  offsetTernaryExpressions: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description:
+      'Indent and align ternary expression branches more consistently with "Standard JS" (similar to the corresponding eslint option).',
+  },
+  generatorStarSpacing: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description:
+      "Put spaces around the star (`*`) in generator functions (before and after - similar to the corresponding eslint option). (Default is after only.)",
+  },
+  yieldStarSpacing: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description:
+      "Put spaces around the star (`*`) in `yield*` expressions (before and after - similar to the corresponding eslint option). (Default is after only.)",
+  },
+  spaceBeforeFunctionParen: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description:
+      "Put a space before function parenthesis in all declarations (similar to the corresponding eslint option). (Default is to put a space before function parenthesis for untyped anonymous functions only.)",
+  },
+  breakBeforeElse: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description: "Always add a line break before else.",
+  },
+  breakLongMethodChains: {
+    category: CATEGORY_JAVASCRIPT,
+    type: "boolean",
+    default: false,
+    description:
+      "Break method chains with more than 3 method calls, like Prettier 1.x.",
+  },
   singleQuote: commonOptions.singleQuote,
   jsxSingleQuote: {
     since: "1.15.0",

diff --git a/src/language-js/parse-postprocess.js b/src/language-js/parse-postprocess.js
@@ -152,6 +152,10 @@ function postprocess(ast, options) {
           node.optional = true;
         }
         break;
+      case "IfStatement": // [prettierx] quick workaround breakBeforeElse & AST compare test
+        if (node.consequent.innerComments) {
+          delete node.consequent.innerComments;
+        }
     }
   });
 

diff --git a/src/language-js/print/array.js b/src/language-js/print/array.js
@@ -92,12 +92,16 @@ function printArray(path, options, print) {
       ? ifBreak(",", "", { groupId })
       : ifBreak(",");
 
+    // [prettierx] arrayBracketSpacing option support (...)
     parts.push(
       group(
+        // [prettierx] arrayBracketSpacing option support (...)
         [
           openBracket,
+          // [prettierx] arrayBracketSpacing option support (...)
           indent([
-            softline,
+            // [prettierx] arrayBracketSpacing option support (...)
+            options.arrayBracketSpacing ? line : softline,
             shouldUseConciseFormatting
               ? printArrayItemsConcisely(path, options, print, trailingComma)
               : [
@@ -106,7 +110,8 @@ function printArray(path, options, print) {
                 ],
             printDanglingComments(path, options, /* sameIndent */ true),
           ]),
-          softline,
+          // [prettierx] arrayBracketSpacing option support (...)
+          options.arrayBracketSpacing ? line : softline,
           closeBracket,
         ],
         { shouldBreak, id: groupId }

diff --git a/src/language-js/print/binaryish.js b/src/language-js/print/binaryish.js
@@ -41,6 +41,9 @@ function printBinaryishExpression(path, options, print) {
       parent.type === "SwitchStatement" ||
       parent.type === "DoWhileStatement");
 
+  // [prettierx] spaceInParens option support (...)
+  const parenLine = options.spaceInParens ? line : softline;
+
   const parts = printBinaryishExpressions(
     path,
     print,
@@ -63,6 +66,9 @@ function printBinaryishExpression(path, options, print) {
     return parts;
   }
 
+  // [prettierx] spaceInParens option support
+  // (...)
+  //
   // Break between the parens in
   // unaries or in a member or specific call expression, i.e.
   //
@@ -76,7 +82,10 @@ function printBinaryishExpression(path, options, print) {
     parent.type === "UnaryExpression" ||
     (isMemberExpression(parent) && !parent.computed)
   ) {
-    return group([indent([softline, ...parts]), softline]);
+    // [prettierx] spaceInParens option support (...)
+    return group([indent([parenLine, ...parts]), parenLine], {
+      addedLine: options.spaceInParens,
+    });
   }
 
   // Avoid indenting sub-expressions in some cases where the first sub-expression is already