@gotoeasy/code-frame
code-frame


Install
``
npm i @gotoeasy/code-frame
`
Sample 1
`
js
const codeframe = require('@gotoeasy/code-frame');
let file, text, start, end, result;
text = 123456781
123456782
123456783
123456784
123456785
123456786
123456787
123456788
123456789
123456780
123456781
123456782
123456783
;
start = 11;
result = codeframe({text, start, linesAbove: 3, linesBelow: 3});
console.log(result);
`
!Sample1
Sample 2
`
js
start = 11;
end = 15;
result = codeframe({text, start, end, linesAbove: 3, linesBelow: 3});
console.log(result);
`
!Sample2
Sample 3
`
js
start = 11;
end = 45;
result = codeframe({text, start, end, linesAbove: 3, linesBelow: 3});
console.log(result);
`
!Sample3
Sample 4
`
js
file = './testdata.txt';
start = 11;
end = 45;
result = codeframe({file, start, end, linesAbove: 3, linesBelow: 3});
console.log(result);
`
!Sample4
Sample 5
`
js
line = 1;
column = 1;
result = codeframe({text, line, column, linesAbove: 3, linesBelow: 3});
console.log(result);
`
!Sample5
Sample 6
`
js
file = './testdata.txt';
line = 1;
column = 1;
result = codeframe({file, line, column, linesAbove: 3, linesBelow: 3});
console.log(result);
`
!Sample6
Sample 7
`
js
startLine = 1;
startColumn = 1;
endLine = 4;
endColumn = 5;
result = codeframe({text, startLine, startColumn, endLine, endColumn, linesAbove: 3, linesBelow: 3});
console.log(result);
`
!Sample7
Sample 8
`
js
file = './testdata.txt';
startLine = 1;
startColumn = 1;
endLine = 4;
endColumn = 5;
result = codeframe({file, startLine, startColumn, endLine, endColumn, linesAbove: 3, linesBelow: 3});
console.log(result);
`
!Sample8
Sample 9
`
js
text = '111111111122222222223333333333444444444455555555556666666666';
start = 30;
end = 33;
maxLength = 50; // 调整每行最大显示长度,默认maxLength=120
result = codeframe({text, start, end, maxLength, linesAbove: 3, linesBelow: 3});
console.log(result); // 超出部分省略号表示
`
!Sample9
Sample 10
`
js
text = ' 444444444455555555556666666666';
start = 30;
end = 33;
maxLength = 50;
result = codeframe({text, start, end, maxLength, linesAbove: 3, linesBelow: 3});
console.log(result); // 左缩进空白将适当去除
`
!Sample10
Links
* npm-packages` https://github.com/gotoeasy/npm-packages