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feat(v2): composition syntax highlighting & live code editors (#1555)

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* feat(v2): composition syntax highlighting & react-live playground

* mobile friendly tweak

* refactor styling

* revert docs
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Endi 2019-06-04 15:59:51 +07:00 • committed by GitHub
parent 246c1814c0
commit 305a4f0a29
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21 changed files with 287 additions and 84 deletions
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79
packages/docusaurus-mdx-loader/src/rightToc/index.js
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@ -1,79 +0,0 @@
/**
* Copyright (c) 2017-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
const {parse} = require('@babel/parser');
const traverse = require('@babel/traverse').default;
const stringifyObject = require('stringify-object');
const search = require('./search');
const parseOptions = {
plugins: ['jsx'],
sourceType: 'module',
};
const isImport = child => child.type === 'import';
const hasImports = index => index > -1;
const isExport = child => child.type === 'export';
const isTarget = (child, name) => {
let found = false;
const ast = parse(child.value, parseOptions);
traverse(ast, {
VariableDeclarator: path => {
if (path.node.id.name === name) {
found = true;
}
},
});
return found;
};
const getOrCreateExistingTargetIndex = (children, name) => {
let importsIndex = -1;
let targetIndex = -1;
children.forEach((child, index) => {
if (isImport(child)) {
importsIndex = index;
} else if (isExport(child) && isTarget(child, name)) {
targetIndex = index;
}
});
if (targetIndex === -1) {
const target = {
default: false,
type: 'export',
value: `export const ${name} = [];`,
};
targetIndex = hasImports(importsIndex) ? importsIndex + 1 : 0;
children.splice(targetIndex, 0, target);
}
return targetIndex;
};
const plugin = (options = {}) => {
const name = options.name || 'rightToc';
const transformer = node => {
const headings = search(node);
const {children} = node;
const targetIndex = getOrCreateExistingTargetIndex(children, name);
if (headings && headings.length) {
children[targetIndex].value = `export const ${name} = ${stringifyObject(
headings,
)};`;
}
};
return transformer;
};
module.exports = plugin;