64 lines
1.7 KiB
Markdown
64 lines
1.7 KiB
Markdown
# pseudo-json-ast
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[](https://opensource.org/licenses/MPL-2.0)
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[](https://npmjs.com/package/pseudo-json-ast)
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[](https://github.com/RichardLitt/standard-readme)
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Parse a JSON string into an object with location properties.
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## Table of Contents
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- [Install](#install)
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- [Usage](#usage)
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- [License](#license)
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## Install
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```
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yarn add --dev pseudo-json-ast
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```
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## Usage
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```js
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import jsonAST, { loc } from 'pseudo-json-ast';
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import assert from 'assert';
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const ast = jsonAST(`{
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"obj": {
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"arr": [{
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"nums": [1, 2, 3],
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"strs1": ["1", "2", "3"],
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"strs: ["1", "2", "3"]
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}],
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"str": "1",
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"num": 1
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}
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}`);
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assert.deepEqual(Object.keys(ast), ['obj']);
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assert.deepEqual(ast[loc].start.line, 1);
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assert.deepEqual(ast[loc].end.line, 11);
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assert.deepEqual(Object.keys(ast.obj), ['arr', 'str', 'num']);
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assert.deepEqual(ast.obj[loc].start.line, 2);
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assert.deepEqual(ast.obj[loc].end.line, 10);
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assert.deepEqual(ast.obj.str[loc].start.line, 8);
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assert.deepEqual(ast.obj.str[loc].end.line, 8);
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assert.deepEqual(ast.obj.num[loc].start.line, 9);
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assert.deepEqual(ast.obj.num[loc].end.line, 9);
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assert.deepEqual(ast.obj.arr[0][loc].start.line, 3);
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assert.deepEqual(ast.obj.arr[0][loc].end.line, 7);
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assert.deepEqual(Object.keys(ast.obj.arr[0]), ['nums', 'strs1']);
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assert.deepEqual(ast.obj.arr[0].nums[loc].start.line, 4);
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assert.deepEqual(ast.obj.arr[0].nums[loc].end.line, 4);
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assert.deepEqual(ast.obj.arr[0].strs1[loc].start.line, 5);
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assert.deepEqual(ast.obj.arr[0].strs1[loc].end.line, 5);
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```
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## License
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MPL-2.0
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