react-mde
Version:
React Markdown Editor
211 lines (210 loc) • 9.76 kB
JavaScript
"use strict";
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CommandOrchestrator = exports.getStateFromTextArea = exports.TextAreaTextApi = void 0;
var __1 = require("..");
var InsertTextAtPosition_1 = require("../util/InsertTextAtPosition");
var command_utils_1 = require("./command-utils");
var defaults_1 = require("./default-commands/defaults");
var TextAreaTextApi = /** @class */ (function () {
function TextAreaTextApi(textAreaRef) {
this.textAreaRef = textAreaRef;
}
TextAreaTextApi.prototype.replaceSelection = function (text) {
var textArea = this.textAreaRef.current;
InsertTextAtPosition_1.insertText(textArea, text);
return getStateFromTextArea(textArea);
};
TextAreaTextApi.prototype.setSelectionRange = function (selection) {
var textArea = this.textAreaRef.current;
textArea.focus();
textArea.selectionStart = selection.start;
textArea.selectionEnd = selection.end;
return getStateFromTextArea(textArea);
};
TextAreaTextApi.prototype.getState = function () {
var textArea = this.textAreaRef.current;
return getStateFromTextArea(textArea);
};
return TextAreaTextApi;
}());
exports.TextAreaTextApi = TextAreaTextApi;
function getStateFromTextArea(textArea) {
return {
selection: {
start: textArea.selectionStart,
end: textArea.selectionEnd
},
text: textArea.value,
selectedText: textArea.value.slice(textArea.selectionStart, textArea.selectionEnd)
};
}
exports.getStateFromTextArea = getStateFromTextArea;
var CommandOrchestrator = /** @class */ (function () {
function CommandOrchestrator(customCommands, textArea, l18n, pasteOptions) {
var _this = this;
this.getCommand = function (name) {
var command = _this.commandMap[name];
if (!command) {
throw new Error("Cannot execute command. Command not found: " + name);
}
return command;
};
/**
* Tries to find a command the wants to handle the keyboard event.
* If a command is found, it is executed and the function returns
*/
this.handlePossibleKeyCommand = function (e) {
for (var _i = 0, _a = _this.keyActivatedCommands; _i < _a.length; _i++) {
var commandName = _a[_i];
if (_this.getCommand(commandName).handleKeyCommand(e)) {
_this.executeCommand(commandName).then(function (r) { });
return true;
}
}
return false;
};
if (pasteOptions && !pasteOptions.saveImage) {
throw new Error("paste options are incomplete. saveImage are required ");
}
this.commandMap = __assign(__assign({}, __1.getDefaultCommandMap()), (customCommands || {}));
this.pasteOptions = pasteOptions;
this.keyActivatedCommands = command_utils_1.extractKeyActivatedCommands(customCommands);
this.textAreaRef = textArea;
this.textApi = new TextAreaTextApi(textArea);
this.l18n = l18n;
}
CommandOrchestrator.prototype.executeCommand = function (commandName, context) {
return __awaiter(this, void 0, void 0, function () {
var command, result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (this.isExecuting) {
// The simplest thing to do is to ignore commands while
// there is already a command executing. The alternative would be to queue commands
// but there is no guarantee that the state after one command executes will still be compatible
// with the next one. In fact, it is likely not to be.
return [2 /*return*/];
}
this.isExecuting = true;
command = this.commandMap[commandName];
result = command.execute({
initialState: getStateFromTextArea(this.textAreaRef.current),
textApi: this.textApi,
l18n: this.l18n,
context: context
});
return [4 /*yield*/, result];
case 1:
_a.sent();
this.isExecuting = false;
return [2 /*return*/];
}
});
});
};
/**
* Executes the paste command
*/
CommandOrchestrator.prototype.executePasteCommand = function (event) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (this.pasteOptions) {
return [2 /*return*/, this.executeCommand(this.pasteOptions.command || defaults_1.getDefaultSaveImageCommandName(), {
pasteOptions: this.pasteOptions,
event: event
})];
}
return [2 /*return*/];
});
});
};
/**
* Executes the drop command
*/
CommandOrchestrator.prototype.executeDropCommand = function (event) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (this.pasteOptions) {
return [2 /*return*/, this.executeCommand(this.pasteOptions.command || defaults_1.getDefaultSaveImageCommandName(), {
pasteOptions: this.pasteOptions,
event: event
})];
}
return [2 /*return*/];
});
});
};
/**
* Executes the "select image" command
*/
CommandOrchestrator.prototype.executeSelectImageCommand = function (event) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (this.pasteOptions) {
return [2 /*return*/, this.executeCommand(this.pasteOptions.command || defaults_1.getDefaultSaveImageCommandName(), {
pasteOptions: this.pasteOptions,
event: event
})];
}
return [2 /*return*/];
});
});
};
/**
* Returns a command by name
* @param name
*/
CommandOrchestrator.prototype.getCommandByName = function (name) {
return this.commandMap[name];
};
return CommandOrchestrator;
}());
exports.CommandOrchestrator = CommandOrchestrator;