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docs$(abcjs): document callback-approach

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This commit is contained in:
Felix Wu 2018-08-01 22:30:34 +02:00
parent a4f0c11726
commit 7488856489
1 changed files with 17 additions and 9 deletions
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26
src/extensions/libs/markdownItNotesSheet.js
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@ -1,5 +1,11 @@
/* eslint-disable no-continue */ /* eslint-disable no-continue */
import abcjs from 'abcjs';
// a constant to hold the abc string
const abc = [];
// the callBack given from abcNotationExtension.js
// to pass the abc string up to a point
// where the DOM is already rendered
let callbackFunc;
function abcNotation(state, startLine, endLine, silent) { function abcNotation(state, startLine, endLine, silent) {
const validateParams = params => params.trim().match(/^abc$/); const validateParams = params => params.trim().match(/^abc$/);
@ -92,25 +98,27 @@ function abcNotation(state, startLine, endLine, silent) {
// this will prevent lazy continuations from ever going past our end marker // this will prevent lazy continuations from ever going past our end marker
state.lineMax = nextLine; state.lineMax = nextLine;
const token = state.push('fence_abc', 'div', 1); const token = state.push('fence_abc_open', 'div', 1);
token.info = params; token.info = params;
token.markup = markup; token.markup = markup;
token.block = true; token.block = true;
token.map = [startLine, nextLine]; token.map = [startLine, nextLine];
const abc = state.getLines(startLine + 1, nextLine, markerLength, true); abc.push(state.getLines(startLine + 1, nextLine, markerLength, true));
const renderedSvg = abcjs.parseOnly(abc);
console.error(renderedSvg);
state.parentType = oldParent; state.parentType = oldParent;
state.lineMax = oldLineMax; state.lineMax = oldLineMax;
state.line = nextLine + (autoClosed ? 1 : 0); state.line = nextLine + (autoClosed ? 1 : 0);
callbackFunc(abc[0]);
return true; return true;
} }
export default (md) => { export default (md, callback) => {
md.block.ruler.before('fence', 'fence_abc', abcNotation, { callbackFunc = callback;
alt: ['paragraph', 'reference', 'blockquote', 'list'], md.block.ruler.before('fence', 'fence_abc', abcNotation);
}); md.renderer.rules.fence_abc_open = (tokens, idx, _options, env, self) => {
tokens[idx].attrPush(['id', 'abcSheetPaper']);
return self.renderToken(tokens, idx, _options, env, self);
};
}; };