3d54b2bd90
Former-commit-id: 0d8742754bb756ad3a83599850dae5f477282430 [formerly 5cb7d75b695d8400fc2af87edd551d6450e7365f] [formerly a6a814c40a5ff4f195c4ab470d4fccc92bd8c1c8 [formerly 99c8c92c6c]]
Former-commit-id: 45eba5ff05f8e64fbf33d9d670e19a0cf4880656 [formerly 88dc856045b9d51596f36ce387b1c4f3e85a7d3c]
Former-commit-id: 1eadaef460060da8ae71df3c66f242c844992725
61 lines
1.8 KiB
JavaScript
61 lines
1.8 KiB
JavaScript
// Most of the code from this file comes from:
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// https://github.com/codemirror/CodeMirror/blob/master/addon/mode/loadmode.js
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import * as CodeMirror from 'codemirror'
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import store from '@/store'
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// Make CodeMirror available globally so the modes' can register themselves.
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window.CodeMirror = CodeMirror
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CodeMirror.modeURL = store.state.baseURL + '/static/js/codemirror/mode/%N/%N.js'
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var loading = {}
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function splitCallback (cont, n) {
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var countDown = n
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return function () {
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if (--countDown === 0) cont()
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}
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}
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function ensureDeps (mode, cont) {
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var deps = CodeMirror.modes[mode].dependencies
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if (!deps) return cont()
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var missing = []
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for (var i = 0; i < deps.length; ++i) {
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if (!CodeMirror.modes.hasOwnProperty(deps[i])) missing.push(deps[i])
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}
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if (!missing.length) return cont()
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var split = splitCallback(cont, missing.length)
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for (i = 0; i < missing.length; ++i) CodeMirror.requireMode(missing[i], split)
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}
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CodeMirror.requireMode = function (mode, cont) {
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if (typeof mode !== 'string') mode = mode.name
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if (CodeMirror.modes.hasOwnProperty(mode)) return ensureDeps(mode, cont)
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if (loading.hasOwnProperty(mode)) return loading[mode].push(cont)
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var file = CodeMirror.modeURL.replace(/%N/g, mode)
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var script = document.createElement('script')
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script.src = file
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var others = document.getElementsByTagName('script')[0]
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var list = loading[mode] = [cont]
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CodeMirror.on(script, 'load', function () {
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ensureDeps(mode, function () {
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for (var i = 0; i < list.length; ++i) list[i]()
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})
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})
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others.parentNode.insertBefore(script, others)
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}
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CodeMirror.autoLoadMode = function (instance, mode) {
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if (CodeMirror.modes.hasOwnProperty(mode)) return
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CodeMirror.requireMode(mode, function () {
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instance.setOption('mode', mode)
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})
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}
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export default CodeMirror
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