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Implemented msrqrt tag case

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This commit is contained in:
Alexandre Nunes 2020-09-03 11:27:37 -03:00
parent 312e52d355
commit 702bd8ba92
4 changed files with 95 additions and 1 deletions
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79
__test__/index.test.ts
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@ -66,4 +66,83 @@ describe('#convert', () => {
expect(result).toMatch('2 + 2');
});
});
describe('given math string with msqrt', () => {
describe('single mn tag is inside', () => {
test('convert msqrt wrapping its content inside sqrt LaTeX command', () => {
const mathml = `
<root>
<math>
<msqrt>
<mn>2</mn>
</msqrt>
</math>
</root>
`;
const result = MathMLToLaTeX.convert(mathml);
expect(result).toMatch('\\sqrt{2}');
});
});
describe('there are many children inside sqrt tag', () => {
test('convert msqrt wrapping its content inside sqrt LaTeX command', () => {
const mathml = `
<root>
<math>
<msqrt>
<mn>2</mn>
<mo>+</mo>
<mn>2</mn>
</msqrt>
</math>
</root>
`;
const result = MathMLToLaTeX.convert(mathml);
expect(result).toMatch('\\sqrt{2 + 2}');
});
});
describe('sqrt tag has single mrow child', () => {
test('convert msqrt wrapping its content inside sqrt LaTeX command', () => {
const mathml = `
<root>
<math>
<msqrt>
<mrow>
<mn>2</mn>
<mo>+</mo>
<mn>2</mn>
</mrow>
</msqrt>
</math>
</root>
`;
const result = MathMLToLaTeX.convert(mathml);
expect(result).toMatch('\\sqrt{2 + 2}');
});
});
describe('there is no content inside msqrt', () => {
test('empty sqrt is given', () => {
const mathml = `
<root>
<math>
<msqrt>
</msqrt>
</math>
</root>
`;
const result = MathMLToLaTeX.convert(mathml);
expect(result).toMatch('\\sqrt{}');
});
});
});
});

4
src/converters/mathml-interfaces-to-latex/mathml-tag-to-latex/Dispatcher.ts
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@ -1,4 +1,4 @@
import { Math, MathMLTag, MI, MO, MN, MRow } from './mathml-tags';
import { Math, MathMLTag, MI, MO, MN, MSqrt, MRow } from './mathml-tags';
export class Dispatcher {
private _name: string;
@ -23,6 +23,8 @@ export class Dispatcher {
return new MO(this._value, this._attributes, this._children);
case 'mn':
return new MN(this._value, this._attributes, this._children);
case 'msqrt':
return new MSqrt(this._value, this._attributes, this._children);
case 'mrow':
return new MRow(this._value, this._attributes, this._children);
default:

12
src/converters/mathml-interfaces-to-latex/mathml-tag-to-latex/mathml-tags/MSqrt.ts Normal file
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@ -0,0 +1,12 @@
import { MathMLTag } from './MathMLTag';
export class MSqrt extends MathMLTag {
constructor(value: string, attributes: Record<string, string>, children: MathMLTag[]) {
super('msqrt', value, attributes, children);
}
convert(): string {
const content = this._mapChildrenToLaTeX().join(' ');
return `\\sqrt{${content}}`;
}
}

1
src/converters/mathml-interfaces-to-latex/mathml-tag-to-latex/mathml-tags/index.ts
View File

@ -3,4 +3,5 @@ export { MathMLTag } from './MathMLTag';
export { MI } from './MI';
export { MO } from './MO';
export { MN } from './MN';
export { MSqrt } from './MSqrt';
export { MRow } from './MRow';