93 lines
3.4 KiB
JavaScript
93 lines
3.4 KiB
JavaScript
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const {wrapIn, setBlockType, chainCommands, newlineInCode, toggleMark} = require("prosemirror-commands")
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const {selectNextCell, selectPreviousCell} = require("prosemirror-schema-table")
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const {wrapInList, splitListItem, liftListItem, sinkListItem} = require("prosemirror-schema-list")
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const {undo, redo} = require("prosemirror-history")
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const mac = typeof navigator != "undefined" ? /Mac/.test(navigator.platform) : false
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// :: (Schema, ?Object) → Object
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// Inspect the given schema looking for marks and nodes from the
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// basic schema, and if found, add key bindings related to them.
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// This will add:
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//
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// * **Mod-b** for toggling [strong](#schema-basic.StrongMark)
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// * **Mod-i** for toggling [emphasis](#schema-basic.EmMark)
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// * **Mod-`** for toggling [code font](#schema-basic.CodeMark)
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// * **Ctrl-Shift-0** for making the current textblock a paragraph
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// * **Ctrl-Shift-1** to **Ctrl-Shift-Digit6** for making the current
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// textblock a heading of the corresponding level
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// * **Ctrl-Shift-Backslash** to make the current textblock a code block
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// * **Ctrl-Shift-8** to wrap the selection in an ordered list
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// * **Ctrl-Shift-9** to wrap the selection in a bullet list
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// * **Ctrl->** to wrap the selection in a block quote
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// * **Enter** to split a non-empty textblock in a list item while at
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// the same time splitting the list item
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// * **Mod-Enter** to insert a hard break
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// * **Mod-_** to insert a horizontal rule
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//
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// You can suppress or map these bindings by passing a `mapKeys`
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// argument, which maps key names (say `"Mod-B"` to either `false`, to
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// remove the binding, or a new key name string.
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function buildKeymap(schema, mapKeys) {
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let keys = {}, type
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function bind(key, cmd) {
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if (mapKeys) {
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let mapped = mapKeys[key]
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if (mapped === false) return
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if (mapped) key = mapped
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}
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keys[key] = cmd
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}
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bind("Mod-z", undo)
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bind("Mod-y", redo)
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if (type = schema.marks.strong)
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bind("Mod-b", toggleMark(type))
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if (type = schema.marks.em)
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bind("Mod-i", toggleMark(type))
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if (type = schema.marks.code)
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bind("Mod-`", toggleMark(type))
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if (type = schema.nodes.bullet_list)
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bind("Shift-Ctrl-8", wrapInList(type))
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if (type = schema.nodes.ordered_list)
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bind("Shift-Ctrl-9", wrapInList(type))
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if (type = schema.nodes.blockquote)
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bind("Ctrl->", wrapIn(type))
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if (type = schema.nodes.hard_break) {
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let br = type, cmd = chainCommands(newlineInCode, (state, onAction) => {
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onAction(state.tr.replaceSelection(br.create()).scrollAction())
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return true
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})
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bind("Mod-Enter", cmd)
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bind("Shift-Enter", cmd)
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if (mac) bind("Ctrl-Enter", cmd)
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}
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if (type = schema.nodes.list_item) {
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bind("Enter", splitListItem(type))
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bind("Mod-[", liftListItem(type))
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bind("Mod-]", sinkListItem(type))
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}
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if (type = schema.nodes.paragraph)
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bind("Shift-Ctrl-0", setBlockType(type))
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if (type = schema.nodes.code_block)
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bind("Shift-Ctrl-\\", setBlockType(type))
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if (type = schema.nodes.heading)
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for (let i = 1; i <= 6; i++) bind("Shift-Ctrl-" + i, setBlockType(type, {level: i}))
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if (type = schema.nodes.horizontal_rule) {
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let hr = type
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bind("Mod-_", (state, onAction) => {
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onAction(state.tr.replaceSelection(hr.create()).scrollAction())
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return true
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})
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}
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if (schema.nodes.table_row) {
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bind("Tab", selectNextCell)
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bind("Shift-Tab", selectPreviousCell)
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}
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return keys
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}
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exports.buildKeymap = buildKeymap
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