* Keep unusual unicode spaces
This no longer converts unusual unicode whitespace characters (such as a non-breaking space) into normal spaces.
* Tweak comment based on PR feedback
* Move range extension code into helper functions
* Add findNodeByOffset() helper
This was adapted from cbc1929c64
* Test extending formatted range to entire node
* Fix extending formatted range to entire node
* Fix style errors
* Add run_file test function
This makes it possible to use different options on a per-file basis,
which is useful for things like range formatting tests.
* Test extending the format range to nearest parseable node
This means you can select the range of a `catch` clause, attempt to
format it, and have the `try` formatted as well, rather than throwing an
error.
* Fix extending the format range to nearest parseable node
This means you can select the range of a `catch` clause, attempt to
format it, and have the `try` formatted as well, rather than throwing an
error.
* Test that external indentation is left alone when formatting a range
* Preserve external indentation when formatting a range
* Dedupe range formatting traversal callbacks
* Simplify range formatting traversal using ast-types
See https://github.com/prettier/prettier/pull/1659#issuecomment-302974798
* Make range formatting traversal more efficient
There's less unnecessary parsing now.
* Fix style errors
* Add test where range expanding fails
* Fix test where range expanding fails
This makes sure that the range contains the entirety of the nodes
containing each of the range's endpoints.
* Add test for expanding range to beginning of line
* Pass test for expanding range to beginning of line
This makes it so that indentation before the range is added to the
formatted range.
* Don't parse/stringify AST to detect pre-range indentation
See https://github.com/prettier/prettier/pull/1659#discussion_r117790671
* When formatting a range, find closest statement rather than parsing
The `isStatement` implementation came from `docs/prettier.min.js`.
See https://github.com/prettier/prettier/pull/1659#issuecomment-303154770
* Add test for range-formatting a FunctionDeclaration's argument object
* Include FunctionDeclaration when searching for nearest node to range-format
From the spec, a Program is a series of SourceElements, each of which is
either a Statement or a FunctionDeclaration. See
https://www.ecma-international.org/ecma-262/5.1/#sec-A.5
* Remove unnecessary try-catch
See https://github.com/prettier/prettier/pull/1659#discussion_r117810096
* Add tests with multiple statements
See https://github.com/prettier/prettier/pull/1659#discussion_r117810753
* Remove unnecessary arguments from findNodeByOffset()
* Contract format range to ensure it starts/ends on nodes
* Specify test ranges in the fixtures
See https://github.com/prettier/prettier/pull/1659#discussion_r117811186
* Remove unnecessary comments from range fixtures
* Remove run_file test function
It's no longer used. This essentially reverts
8241216e68f2e0da997a4f558b03658d642c89a2
* Update range formatting docs
Clarify that the range expands to the nearest statement, and not to the
end of the line.
* Don't overwrite test options when detecting range
Now that multiple files share the same object again, we shouldn't be
re-assigning to it.
* Reuse already-read fixtures for AST_COMPARE=1 tests
* Remove `run_file` global from test eslintrc
* Undo package.json churn
`yarn` reformatted it before, but the whitespace visually sets off the
comment, so let's put it back how it was before.
See https://github.com/prettier/prettier/pull/1659#discussion_r117864655
* Remove misleading comments from isSourceElement
See https://github.com/prettier/prettier/pull/1659#discussion_r117865196
* Loop backwards through string instead of reversing it
See https://github.com/prettier/prettier/pull/1659#discussion_r117865759
* Don't recompute indent string when formatting range
See https://github.com/prettier/prettier/pull/1659#discussion_r117867268
* Rename findNodeByOffset to findNodeAtOffset
"Find x by y" is the common usage for finding an `x` by a key `y`.
However, since "by" has positional meaning, let's use "at" instead.
See https://github.com/prettier/prettier/pull/1659#discussion_r117865121
* Always trimRight() in formatRange and explain why
See https://github.com/prettier/prettier/pull/1659#discussion_r117864635
* Test formatting a range that crosses AST levels
See https://github.com/prettier/prettier/pull/1659#issuecomment-303243688
* Fix formatting a range that crosses AST levels
See https://github.com/prettier/prettier/pull/1659#issuecomment-303243688
* Remove unnecessary try-catch
See e52db5e9f9 (r117878763)
* Add test demonstrating range formatting indent detection
* Detect alignment from text on line before range, but don't reformat it
This avoids reformatting non-indentation that happens to precede the
range on the same line, while still correctly indenting the range based
on it.
See https://github.com/prettier/prettier/pull/1659#discussion_r117881430
* Improve ESLint setup
- Uses `eslint:recommended` + a handful more rules.
- Uses .eslintignore so that editors can understand which files to lint.
- Uses .eslintrc<strong>.js</strong> so more editors get syntax highlighting.
* Fix ESLint errors
About half of them were fixed by `eslint . --fix`.
* Add `--range-start` and `--range-end` options to format only parts of the input
These options default to `0` and `Infinity`, respectively, so that the
entire input is formatted by default. However, if either option is
specified such that a node lies completely outside the resulting range,
the node will be treated as if it has a `// prettier-ignore` comment.
Related to https://github.com/prettier/prettier/pull/1577#issuecomment-300551179
Related to https://github.com/prettier/prettier/issues/1324
Related to https://github.com/prettier/prettier/issues/593
* printer: Extract hasPrettierIgnoreComment() helper
* Move isOutsideRange() to util
* Don't throw errors about comments outside range "not printing"
* Remove unnecessary check from isOutsideRange()
* Make --range-end exclusive
This lets it use the conventional way of specifying ranges in strings.
Note that if the rangeEnd in the tests is changed to 158, it will fail,
but it wouldn't have failed before this change.
* Change range formatting approach
NOTE: This doesn't pass its test yet. Note that since we're reading the
indentation from the first line, it is expected not to change. However,
a semicolon is added, and the lines outside the range are not changed.
The new approach is roughly:
* Require that the range exactly covers an integer number of lines of the input
* Detect the indentation of the line the range starts on
* Format the range's substring using `printAstToDoc`
* Add enough `indent`s to the doc to restore the detected indentation
* Format the doc to a string with `printDocToString`
* Prepend/append the original input before/after the range
See https://github.com/prettier/prettier/pull/1609#issuecomment-301582273
---
Given `tests/range/range.js`, run the following:
prettier tests/range/range.js --range-start 165 --range-end 246
See the range's text with:
dd if=tests/range/range.js ibs=1 skip=165 count=81 2>/dev/null
* Don't use default function parameters
Node v4 doesn't support them. See
http://node.green/#ES2015-syntax-default-function-parameters
* Hackily fix indentation of range formatting
See
https://github.com/prettier/prettier/pull/1609#issuecomment-301625368
Also update the snapshot to reflect that the indentation actually should
decrease by one space, since there were 13 spaces in the input and we
round down after dividing by tabWidth.
* Revert "printer: Extract hasPrettierIgnoreComment() helper"
See https://github.com/prettier/prettier/pull/1609#discussion_r116804853
This reverts commit 62bf068ca98f69d4a7fd0ae188b3554d409eee8d.
* Test automatically using the beginning of the rangeStart line and same for the end
See https://github.com/prettier/prettier/pull/1609#issuecomment-301862076
* Fix automatically using the beginning of the rangeStart line and same for the end
See https://github.com/prettier/prettier/pull/1609#issuecomment-301862076
* Propagate breaks after adding an indentation-triggering hardline
See c1a61ebde8 (r116805581)
* Extract getAlignmentSize(), use instead of countIndents()
See c1a61ebde8 (r116804694)
* Extract addAlignmentToDoc(), use instead of addIndentsToDoc()
See c1a61ebde8 (r116804694)
* Document that --range-start and --range-end include the entire line
* Fix rangeStart calculation
Before, it was incorrectly resulting in 1 when the originally provided
value was 0
* Extract formatRange() helper function
* Move getAlignmentSize() from printer to util
This addresses https://github.com/prettier/prettier/pull/1609#discussion_r117636241
* Move addAlignmentToDoc() from printer to doc-builders
This addresses https://github.com/prettier/prettier/pull/1609#discussion_r117636251
I'm a vim user, and I use prettier on a few of my projects, but not all.
The Prettier docs listed ways to make prettier run automatically on save
(and other autocmd events), but I needed a way to invoke it manually.
After spending some time finding the right vim config, I decided it
could be useful to others as well.
Fixes#1615
This commit updates `npm run format:all` to not only format .js files in
src/ and bin/, but also tests_config/ and scripts/, as well as all
jsfmt.spec.js files.
It also includes the result of running `npm run format:all`, except
changes to src/ and bin/.
* Allow `--write` to be used with `--list-different`
This makes it possible to simultaneously check for formatting errors and
fix them, which can be useful for CI services. For example, a CI service
could run:
prettier --list-different --write $FILES || git diff --exit-code
to show the formatting errors. Before this change, it would be necessary
to do:
prettier --list-different $FILES || (prettier --write $FILES; git diff --exit-code)
Here are some commands which are useful to verify that the outputs and
exit codes of `prettier --list-different` and `prettier --write` have
not changed:
./bin/prettier.js --list-different index.js src/*.js bin/*.js; echo $?
./bin/prettier.js --write index.js src/*.js bin/*.js; echo $?
* fixup! Allow `--write` to be used with `--list-different`
* fix TSCallSignature
* fix TSTypeReference
* remove test with invalid syntax
* --wip--
* partially fix TSTypeReference
* get comments right for TypeScript interfaces
* Use `const`/`let` instead of `var`
This was done with [lebab], by running:
lebab --replace src -t let
[lebab]: https://github.com/lebab/lebab
* Remove remaining `var` usages
These were not automatically fixed by `lebab`, so they had to be
manually refactored.
* Add trailing space when changing template literal line comment to block
This was originally part of https://github.com/prettier/prettier/pull/1580,
but I decided not to include it there, since it was unrelated.
* Extract util.isBlockComment() helper
* printer: Simplify genericPrintNoParens() JSXEmptyExpression logic
* Extract makeBlockComment() helper
* Move hasBlockComments() from printer to util
Addresses https://github.com/prettier/prettier/pull/1602#issuecomment-301344310
* Revert "Extract makeBlockComment() helper"
This reverts commit 7e940f43b62fb34d71fc3015ed14f9c59cf61d1a.
* Revert "Add trailing space when changing template literal line comment to block"
This reverts commit b3cf5b24c576ed062ca86975a09138e3f4ac9597.
This makes it easier to format code snippets including a `return`
statement, without having to format the entire function. For example,
given the following code:
```js
function f() {
return someVeryLongStringA && someVeryLongStringB && someVeryLongStringC && someVeryLongStringD
}
```
a developer could select the line containing `return`, then use
prettier to format the code to:
```js
function f() {
return (
someVeryLongStringA &&
someVeryLongStringB &&
someVeryLongStringC &&
someVeryLongStringD
);
}
```
which can then be reindented by the editor.
---
Related to https://github.com/prettier/prettier/issues/593
Christopher Chedeau