Christopher Chedeau
d8d5c7bc55
The previous API was inconsistent. The new one is
```js
--parser flow
--parser babylon
{parser: 'flow'}
{parser: 'babylon'}
```
if we ever want to add new parsers in the future it'll allow that more easily.
I put a console.log in parser.js in both functions and tested that the test suite worked both with and without the change in run_spec. I also tested that both the previous and new command line options are working.
At some point in the future we'll likely want to get rid of the old api but might as well keep supporting it so we don't break anyone for now.
54 lines
1.4 KiB
JavaScript
54 lines
1.4 KiB
JavaScript
"use strict";
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const comments = require("./src/comments");
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const version = require("./package.json").version;
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const printAstToDoc = require("./src/printer").printAstToDoc;
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const printDocToString = require("./src/doc-printer").printDocToString;
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const normalizeOptions = require("./src/options").normalize;
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const parser = require("./src/parser");
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function parse(text, opts) {
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if (opts.parser === 'flow') {
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return parser.parseWithFlow(text, opts.filename);
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}
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return parser.parseWithBabylon(text);
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}
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function attachComments(text, ast, opts) {
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if (ast.comments) {
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comments.attach(ast.comments, ast, text);
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ast.comments = [];
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}
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ast.tokens = [];
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opts.originalText = text;
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}
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function format(text, opts) {
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const ast = parse(text, opts);
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attachComments(text, ast, opts)
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const doc = printAstToDoc(ast, opts)
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const str = printDocToString(doc, opts.printWidth)
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return str;
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}
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function formatWithShebang(text, opts) {
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if (!text.startsWith("#!")) {
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return format(text, opts);
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}
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const index = text.indexOf("\n");
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const shebang = text.slice(0, index + 1);
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const programText = text.slice(index + 1);
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const nextChar = text.charAt(index + 1);
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const addNewline = nextChar == "\n" || nextChar == "\r";
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return shebang + (addNewline ? "\n" : "") + format(programText, opts);
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}
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module.exports = {
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format: function(text, opts) {
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return formatWithShebang(text, normalizeOptions(opts));
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},
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version: version
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};
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