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55 changes: 44 additions & 11 deletions src/parser.js
Original file line number Diff line number Diff line change
Expand Up @@ -17,9 +17,27 @@ export const createRule = node => {
const declarations = node.nodes || [];
const style = {};

declarations.forEach(({ prop, value, important }) => {
style[prop] = value + (important ? ' !important' : '');
});
if (declarations.length > 0) {
declarations.forEach(({prop, value, important}) => {
style[prop] = value + (important ? ' !important' : '');
});
}

return {
selectors: (node.parent.type == 'atrule' && node.type == 'atrule' ? '@' + node.name : node.selector) || '',
style,
}
};

/**
* Add declaration to existing rule
* @param {Object} node
* @return {Object}
*/
export const addDeclaration = (node, style) => {
let {prop, value, important} = node;

style[prop] = value + (important ? ' !important' : '');

return {
selectors: node.selector || '',
Expand All @@ -34,16 +52,31 @@ export const createRule = node => {
* @return {Object}
*/
export const createAtRule = (node, result) => {
const { name, params } = node;
const isNested = ['media', 'keyframes'].indexOf(name) >= 0;
let { name, params } = node;
const isNested = ['media', 'page', 'keyframes'].indexOf(name) >= 0;

if (isNested) {
node.nodes.forEach(node => {
result.push({
...createRule(node),
atRule: name,
params,
})
const style = {};
let ruleCreated = false;
node.nodes.forEach(cnode => {
if (cnode.type == 'decl') {
addDeclaration(cnode, style);
if (!ruleCreated) {
result.push({
selectors: '',
style,
atRule: name,
params,
});
ruleCreated = true;
}
} else {
result.push({
...createRule(cnode),
atRule: name,
params,
})
}
});
} else {
result.push({
Expand Down
115 changes: 115 additions & 0 deletions test/index.test.js
Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,121 @@ describe('Parser', () => {
]);
});

it('returns the correct object of a simple @page rule', () => {
expect(parser(`@page Normal {
size: 21.0cm 29.7cm;
margin: 2.5cm;
}`)).toEqual([
{
params: 'Normal',
selectors: '',
atRule: 'page',
style: {
size: '21.0cm 29.7cm',
margin: '2.5cm',
},
},
]);
});

it('returns the correct object of a @page rule', () => {
expect(parser(`@page Normal {
size: 21.0cm 29.7cm;
margin: 2.5cm;
@top-left-corner {
content: "@top-left-corner";
background-color: red;
padding: 10px;
border: 1px solid black;
}
}`)).toEqual([
{
params: 'Normal',
selectors: '',
atRule: 'page',
style: {
size: '21.0cm 29.7cm',
margin: '2.5cm',
},
}, {
params: 'Normal',
selectors: '@top-left-corner',
atRule: 'page',
style: {
content: '"@top-left-corner"',
'background-color': "red",
padding: "10px",
border: "1px solid black",
},
}
]);
});

it('returns the correct object of a @page rule', () => {
expect(parser(`@page Normal {
size: 21.0cm 29.7cm;
margin: 2.5cm;
@top-left {
content: "@top-left";
background-color: orange;
padding: 10px;
border: 2px solid blue;
}
@top-center {
content: "@top-center";
background-color: yellow;
padding: 10px;
border: 3px solid green;
}
@top-right {
content: "@top-right";
background-color: deeppink;
padding: 10px;
border: 1px solid magenta;
}
}`)).toEqual([
{
params: 'Normal',
selectors: '',
atRule: 'page',
style: {
size: '21.0cm 29.7cm',
margin: '2.5cm',
},
}, {
params: 'Normal',
selectors: '@top-left',
atRule: 'page',
style: {
content: '"@top-left"',
'background-color': "orange",
padding: "10px",
border: "2px solid blue",
},
}, {
params: 'Normal',
selectors: '@top-center',
atRule: 'page',
style: {
content: '"@top-center"',
'background-color': "yellow",
padding: "10px",
border: "3px solid green",
},
}, {
params: 'Normal',
selectors: '@top-right',
atRule: 'page',
style: {
content: '"@top-right"',
'background-color': "deeppink",
padding: "10px",
border: "1px solid magenta",
},
}
]);
});

it('returns the correct object of a simple id rule', () => {
expect(parser(`#main {
border: 1px solid black;
Expand Down