119 lines
3.3 KiB
JavaScript
119 lines
3.3 KiB
JavaScript
"use strict";
|
|
|
|
const comments = require("./src/comments");
|
|
const version = require("./package.json").version;
|
|
const printAstToDoc = require("./src/printer").printAstToDoc;
|
|
const printDocToString = require("./src/doc-printer").printDocToString;
|
|
const normalizeOptions = require("./src/options").normalize;
|
|
const parser = require("./src/parser");
|
|
const printDocToDebug = require("./src/doc-debug").printDocToDebug;
|
|
|
|
function guessLineEnding(text) {
|
|
const index = text.indexOf("\n");
|
|
if (index >= 0 && text.charAt(index - 1) === "\r") {
|
|
return "\r\n";
|
|
}
|
|
return "\n";
|
|
}
|
|
|
|
function attachComments(text, ast, opts) {
|
|
const astComments = ast.comments;
|
|
if (astComments) {
|
|
delete ast.comments;
|
|
comments.attach(astComments, ast, text, opts);
|
|
}
|
|
ast.tokens = [];
|
|
opts.originalText = text.trimRight();
|
|
return astComments;
|
|
}
|
|
|
|
function ensureAllCommentsPrinted(astComments) {
|
|
for (let i = 0; i < astComments.length; ++i) {
|
|
if (astComments[i].value.trim() === "prettier-ignore") {
|
|
// If there's a prettier-ignore, we're not printing that sub-tree so we
|
|
// don't know if the comments was printed or not.
|
|
return;
|
|
}
|
|
}
|
|
|
|
astComments.forEach(comment => {
|
|
if (!comment.printed) {
|
|
throw new Error(
|
|
'Comment "' +
|
|
comment.value.trim() +
|
|
'" was not printed. Please report this error!'
|
|
);
|
|
}
|
|
delete comment.printed;
|
|
});
|
|
}
|
|
|
|
function format(text, opts) {
|
|
const ast = parser.parse(text, opts);
|
|
const astComments = attachComments(text, ast, opts);
|
|
const doc = printAstToDoc(ast, opts);
|
|
opts.newLine = guessLineEnding(text);
|
|
const str = printDocToString(doc, opts);
|
|
ensureAllCommentsPrinted(astComments);
|
|
return str;
|
|
}
|
|
|
|
function formatWithShebang(text, opts) {
|
|
if (!text.startsWith("#!")) {
|
|
return format(text, opts);
|
|
}
|
|
|
|
const index = text.indexOf("\n");
|
|
const shebang = text.slice(0, index + 1);
|
|
const programText = text.slice(index + 1);
|
|
const nextChar = text.charAt(index + 1);
|
|
const newLine = nextChar === "\n" ? "\n" : nextChar === "\r" ? "\r\n" : "";
|
|
|
|
return shebang + newLine + format(programText, opts);
|
|
}
|
|
|
|
module.exports = {
|
|
format: function(text, opts) {
|
|
return formatWithShebang(text, normalizeOptions(opts));
|
|
},
|
|
check: function(text, opts) {
|
|
try {
|
|
const formatted = formatWithShebang(text, normalizeOptions(opts));
|
|
return formatted === text;
|
|
} catch (e) {
|
|
return false;
|
|
}
|
|
},
|
|
version: version,
|
|
__debug: {
|
|
parse: function(text, opts) {
|
|
return parser.parse(text, opts);
|
|
},
|
|
formatAST: function(ast, opts) {
|
|
opts = normalizeOptions(opts);
|
|
const doc = printAstToDoc(ast, opts);
|
|
const str = printDocToString(doc, opts);
|
|
return str;
|
|
},
|
|
// Doesn't handle shebang for now
|
|
formatDoc: function(doc, opts) {
|
|
opts = normalizeOptions(opts);
|
|
const debug = printDocToDebug(doc);
|
|
const str = format(debug, opts);
|
|
return str;
|
|
},
|
|
printToDoc: function(text, opts) {
|
|
opts = normalizeOptions(opts);
|
|
const ast = parser.parse(text, opts);
|
|
attachComments(text, ast, opts);
|
|
const doc = printAstToDoc(ast, opts);
|
|
return doc;
|
|
},
|
|
printDocToString: function(doc, opts) {
|
|
opts = normalizeOptions(opts);
|
|
const str = printDocToString(doc, opts);
|
|
return str;
|
|
}
|
|
}
|
|
};
|