Mercurial
diff .cms/lib/codemirror/mode/yaml-frontmatter/yaml-frontmatter.js @ 0:78edf6b517a0 draft
24.10
author | Coffee CMS <info@coffee-cms.ru> |
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date | Fri, 11 Oct 2024 22:40:23 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.cms/lib/codemirror/mode/yaml-frontmatter/yaml-frontmatter.js Fri Oct 11 22:40:23 2024 +0000 @@ -0,0 +1,72 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/5/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) + } + } + }) +});