Add new CLI option debug-print-ast#11514
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sosukesuzuki merged 6 commits intoprettier:mainfrom Sep 15, 2021
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thorn0
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Sep 14, 2021
thorn0
reviewed
Sep 14, 2021
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| // Jest Snapshot v1, https://goo.gl/fbAQLP | |||
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| exports[`prints information for debugging AST --debug-print-comments (stdout) 1`] = `"{\\"text\\":\\"const foo = 'foo';\\",\\"ast\\":{\\"type\\":\\"File\\",\\"start\\":0,\\"end\\":18,\\"loc\\":{\\"start\\":{\\"line\\":1,\\"column\\":0},\\"end\\":{\\"line\\":1,\\"column\\":18}},\\"range\\":[0,18],\\"errors\\":[],\\"program\\":{\\"type\\":\\"Program\\",\\"start\\":0,\\"end\\":18,\\"loc\\":{\\"start\\":{\\"line\\":1,\\"column\\":0},\\"end\\":{\\"line\\":1,\\"column\\":18}},\\"range\\":[0,18],\\"sourceType\\":\\"module\\",\\"interpreter\\":null,\\"body\\":[{\\"type\\":\\"VariableDeclaration\\",\\"start\\":0,\\"end\\":18,\\"loc\\":{\\"start\\":{\\"line\\":1,\\"column\\":0},\\"end\\":{\\"line\\":1,\\"column\\":18}},\\"range\\":[0,18],\\"declarations\\":[{\\"type\\":\\"VariableDeclarator\\",\\"start\\":6,\\"end\\":17,\\"loc\\":{\\"start\\":{\\"line\\":1,\\"column\\":6},\\"end\\":{\\"line\\":1,\\"column\\":17}},\\"range\\":[6,17],\\"id\\":{\\"type\\":\\"Identifier\\",\\"start\\":6,\\"end\\":9,\\"loc\\":{\\"start\\":{\\"line\\":1,\\"column\\":6},\\"end\\":{\\"line\\":1,\\"column\\":9},\\"identifierName\\":\\"foo\\"},\\"range\\":[6,9],\\"name\\":\\"foo\\"},\\"init\\":{\\"type\\":\\"StringLiteral\\",\\"start\\":12,\\"end\\":17,\\"loc\\":{\\"start\\":{\\"line\\":1,\\"column\\":12},\\"end\\":{\\"line\\":1,\\"column\\":17}},\\"range\\":[12,17],\\"extra\\":{\\"rawValue\\":\\"foo\\",\\"raw\\":\\"'foo'\\"},\\"value\\":\\"foo\\"}}],\\"kind\\":\\"const\\"}],\\"directives\\":[]},\\"comments\\":[],\\"tokens\\":[{\\"type\\":{\\"label\\":\\"const\\",\\"keyword\\":\\"const\\",\\"beforeExpr\\":false,\\"startsExpr\\":false,\\"rightAssociative\\":false,\\"isLoop\\":false,\\"isAssign\\":false,\\"prefix\\":false,\\"postfix\\":false,\\"binop\\":null,\\"updateContext\\":null},\\"value\\":\\"const\\",\\"start\\":0,\\"end\\":5,\\"loc\\":{\\"start\\":{\\"line\\":1,\\"column\\":0},\\"end\\":{\\"line\\":1,\\"column\\":5}}},{\\"type\\":{\\"label\\":\\"name\\",\\"beforeExpr\\":false,\\"startsExpr\\":true,\\"rightAssociative\\":false,\\"isLoop\\":false,\\"isAssign\\":false,\\"prefix\\":false,\\"postfix\\":false,\\"binop\\":null,\\"updateContext\\":null},\\"value\\":\\"foo\\",\\"start\\":6,\\"end\\":9,\\"loc\\":{\\"start\\":{\\"line\\":1,\\"column\\":6},\\"end\\":{\\"line\\":1,\\"column\\":9}}},{\\"type\\":{\\"label\\":\\"=\\",\\"beforeExpr\\":true,\\"startsExpr\\":false,\\"rightAssociative\\":false,\\"isLoop\\":false,\\"isAssign\\":true,\\"prefix\\":false,\\"postfix\\":false,\\"binop\\":null,\\"updateContext\\":null},\\"value\\":\\"=\\",\\"start\\":10,\\"end\\":11,\\"loc\\":{\\"start\\":{\\"line\\":1,\\"column\\":10},\\"end\\":{\\"line\\":1,\\"column\\":11}}},{\\"type\\":{\\"label\\":\\"string\\",\\"beforeExpr\\":false,\\"startsExpr\\":true,\\"rightAssociative\\":false,\\"isLoop\\":false,\\"isAssign\\":false,\\"prefix\\":false,\\"postfix\\":false,\\"binop\\":null,\\"updateContext\\":null},\\"value\\":\\"foo\\",\\"start\\":12,\\"end\\":17,\\"loc\\":{\\"start\\":{\\"line\\":1,\\"column\\":12},\\"end\\":{\\"line\\":1,\\"column\\":17}}},{\\"type\\":{\\"label\\":\\";\\",\\"beforeExpr\\":true,\\"startsExpr\\":false,\\"rightAssociative\\":false,\\"isLoop\\":false,\\"isAssign\\":false,\\"prefix\\":false,\\"postfix\\":false,\\"binop\\":null,\\"updateContext\\":null},\\"start\\":17,\\"end\\":18,\\"loc\\":{\\"start\\":{\\"line\\":1,\\"column\\":17},\\"end\\":{\\"line\\":1,\\"column\\":18}}},{\\"type\\":{\\"label\\":\\"eof\\",\\"beforeExpr\\":false,\\"startsExpr\\":false,\\"rightAssociative\\":false,\\"isLoop\\":false,\\"isAssign\\":false,\\"prefix\\":false,\\"postfix\\":false,\\"binop\\":null,\\"updateContext\\":null},\\"start\\":18,\\"end\\":18,\\"loc\\":{\\"start\\":{\\"line\\":1,\\"column\\":18},\\"end\\":{\\"line\\":1,\\"column\\":18}}}]}}"`; | |||
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Is it intended that the output includes text, not only ast?
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It is intended when I wrote this PR, but I thought about it and decided I didn't need it, so I deleted it fe3be6b
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Co-authored-by: Georgii Dolzhykov <[email protected]>
thorn0
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Sep 15, 2021
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Is there a way to use this w/ the JS API? |
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Description
Adds new CLI option
debug-print-astfor debugging.It is useful to use it with
jq.like this:
Checklist
changelog_unreleased/*/XXXX.mdfile followingchangelog_unreleased/TEMPLATE.md.✨Try the playground for this PR✨