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import { styled } from '@mui/material/styles';
/**
* Returns a squiggly underline background image encoded as a CSS `url()` data URI with Base64.
*
* Based on
* https://github.com/codemirror/lint/blob/f524b4a53b0183bb343ac1e32b228d28030d17af/src/lint.ts#L501
*
* @param color the color of the underline
* @returns the CSS `url()`
*/
function underline(color: string) {
const svg = `<svg xmlns="http://www.w3.org/2000/svg" width="6" height="3">
<path d="m0 3 l2 -2 l1 0 l2 2 l1 0" stroke="${color}" fill="none" stroke-width=".7"/>
</svg>`;
const svgBase64 = window.btoa(svg);
return `url('data:image/svg+xml;base64,${svgBase64}')`;
}
export const EditorParent = styled('div')(({ theme }) => {
const codeMirrorLintStyle: Record<string, unknown> = {};
(['error', 'warning', 'info'] as const).forEach((severity) => {
const color = theme.palette[severity].main;
codeMirrorLintStyle[`.cm-diagnostic-${severity}`] = {
borderLeftColor: color,
};
codeMirrorLintStyle[`.cm-lintRange-${severity}`] = {
backgroundImage: underline(color),
};
});
return {
background: theme.palette.background.default,
'&, .cm-editor': {
height: '100%',
},
'.cm-scroller, .cm-tooltip-autocomplete, .cm-completionLabel, .cm-completionDetail': {
fontSize: 16,
fontFamily: '"JetBrains MonoVariable", "JetBrains Mono", monospace',
fontFeatureSettings: '"liga", "calt"',
fontWeight: 400,
letterSpacing: 0,
textRendering: 'optimizeLegibility',
},
'.cm-scroller': {
color: theme.palette.text.secondary,
},
'.cm-gutters': {
background: theme.palette.background.default,
color: theme.palette.text.disabled,
border: 'none',
},
'.cm-specialChar': {
color: theme.palette.secondary.main,
},
'.cm-activeLine': {
background: 'rgba(0, 0, 0, 0.3)',
},
'.cm-activeLineGutter': {
background: 'rgba(0, 0, 0, 0.3)',
color: theme.palette.text.primary,
},
'.cm-cursor, .cm-cursor-primary': {
borderColor: theme.palette.primary.main,
background: theme.palette.common.black,
},
'.cm-selectionBackground': {
background: '#3e4453',
},
'.cm-focused': {
outline: 'none',
'.cm-selectionBackground': {
background: '#3e4453',
},
},
'.cm-panels-top': {
color: theme.palette.text.secondary,
},
'.cm-panel': {
background: theme.palette.background.paper,
borderTop: `1px solid ${theme.palette.divider}`,
'button[name="close"]': {
color: theme.palette.text.secondary,
cursor: 'pointer',
},
},
'.cm-foldPlaceholder': {
background: theme.palette.background.paper,
borderColor: theme.palette.text.disabled,
color: theme.palette.text.secondary,
},
'.cmt-comment': {
fontStyle: 'italic',
color: theme.palette.text.disabled,
},
'.cmt-number': {
color: '#6188a6',
},
'.cmt-string': {
color: theme.palette.secondary.dark,
},
'.cmt-keyword': {
color: theme.palette.primary.main,
},
'.cmt-typeName, .cmt-atom': {
color: theme.palette.text.primary,
},
'.cmt-variableName': {
color: '#c8ae9d',
},
'.cm-completionIcon': {
width: 16,
padding: 0,
marginRight: '0.5em',
textAlign: 'center',
},
...codeMirrorLintStyle,
};
});
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