73 lines
2.4 KiB
JavaScript
73 lines
2.4 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
|
|
// Distributed under an MIT license: https://codemirror.net/LICENSE
|
|
|
|
(function (mod) {
|
|
if (typeof exports == "object" && typeof module == "object") // CommonJS
|
|
mod(require("../../lib/codemirror"), require("../yaml/yaml"))
|
|
else if (typeof define == "function" && define.amd) // AMD
|
|
define(["../../lib/codemirror", "../yaml/yaml"], mod)
|
|
else // Plain browser env
|
|
mod(CodeMirror)
|
|
})(function (CodeMirror) {
|
|
|
|
var START = 0, FRONTMATTER = 1, BODY = 2
|
|
|
|
// a mixed mode for Markdown text with an optional YAML front matter
|
|
CodeMirror.defineMode("yaml-frontmatter", function (config, parserConfig) {
|
|
var yamlMode = CodeMirror.getMode(config, "yaml")
|
|
var innerMode = CodeMirror.getMode(config, parserConfig && parserConfig.base || "gfm")
|
|
|
|
function localMode(state) {
|
|
return state.state == FRONTMATTER ? {mode: yamlMode, state: state.yaml} : {mode: innerMode, state: state.inner}
|
|
}
|
|
|
|
return {
|
|
startState: function () {
|
|
return {
|
|
state: START,
|
|
yaml: null,
|
|
inner: CodeMirror.startState(innerMode)
|
|
}
|
|
},
|
|
copyState: function (state) {
|
|
return {
|
|
state: state.state,
|
|
yaml: state.yaml && CodeMirror.copyState(yamlMode, state.yaml),
|
|
inner: CodeMirror.copyState(innerMode, state.inner)
|
|
}
|
|
},
|
|
token: function (stream, state) {
|
|
if (state.state == START) {
|
|
if (stream.match('---', false)) {
|
|
state.state = FRONTMATTER
|
|
state.yaml = CodeMirror.startState(yamlMode)
|
|
return yamlMode.token(stream, state.yaml)
|
|
} else {
|
|
state.state = BODY
|
|
return innerMode.token(stream, state.inner)
|
|
}
|
|
} else if (state.state == FRONTMATTER) {
|
|
var end = stream.sol() && stream.match(/(---|\.\.\.)/, false)
|
|
var style = yamlMode.token(stream, state.yaml)
|
|
if (end) {
|
|
state.state = BODY
|
|
state.yaml = null
|
|
}
|
|
return style
|
|
} else {
|
|
return innerMode.token(stream, state.inner)
|
|
}
|
|
},
|
|
innerMode: localMode,
|
|
indent: function(state, a, b) {
|
|
var m = localMode(state)
|
|
return m.mode.indent ? m.mode.indent(m.state, a, b) : CodeMirror.Pass
|
|
},
|
|
blankLine: function (state) {
|
|
var m = localMode(state)
|
|
if (m.mode.blankLine) return m.mode.blankLine(m.state)
|
|
}
|
|
}
|
|
})
|
|
});
|