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import * as actions from "../actions";
import Completions from "../Completions";
import CompletionType from "../../shared/CompletionType";
export interface State {
mode: string;
messageText: string;
consoleText: string;
completionTypes: CompletionType[];
completionSource: string;
completions: Completions;
select: number;
viewIndex: number;
}
const defaultState = {
mode: "",
messageText: "",
consoleText: "",
completionTypes: [],
completionSource: "",
completions: [],
select: -1,
viewIndex: 0,
};
const nextSelection = (state: State): number => {
if (state.completions.length === 0) {
return -1;
}
if (state.select < 0) {
return 0;
}
const length = state.completions
.map((g) => g.items.length)
.reduce((x, y) => x + y);
if (state.select + 1 < length) {
return state.select + 1;
}
return -1;
};
const prevSelection = (state: State): number => {
const length = state.completions
.map((g) => g.items.length)
.reduce((x, y) => x + y);
if (state.select < 0) {
return length - 1;
}
return state.select - 1;
};
const nextConsoleText = (completions: any[], select: number, defaults: any) => {
if (select < 0) {
return defaults;
}
const items = completions
.map((g) => g.items)
.reduce((g1, g2) => g1.concat(g2));
return items[select].content;
};
// eslint-disable-next-line max-lines-per-function
export default function reducer(
state: State = defaultState,
action: actions.ConsoleAction
): State {
switch (action.type) {
case actions.CONSOLE_HIDE:
return { ...state, mode: "" };
case actions.CONSOLE_SHOW_COMMAND:
return {
...state,
mode: "command",
consoleText: action.text,
completionTypes: action.completionTypes,
completions: [],
};
case actions.CONSOLE_SHOW_FIND:
return { ...state, mode: "find", consoleText: "", completions: [] };
case actions.CONSOLE_SHOW_ERROR:
return { ...state, mode: "error", messageText: action.text };
case actions.CONSOLE_SHOW_INFO:
return { ...state, mode: "info", messageText: action.text };
case actions.CONSOLE_HIDE_COMMAND:
return {
...state,
mode:
state.mode === "command" || state.mode === "find" ? "" : state.mode,
};
case actions.CONSOLE_SET_CONSOLE_TEXT:
return { ...state, consoleText: action.consoleText };
case actions.CONSOLE_SET_COMPLETIONS:
return {
...state,
completions: action.completions,
completionSource: action.completionSource,
select: -1,
};
case actions.CONSOLE_COMPLETION_NEXT: {
const select = nextSelection(state);
return {
...state,
select: select,
consoleText: nextConsoleText(
state.completions,
select,
state.completionSource
),
};
}
case actions.CONSOLE_COMPLETION_PREV: {
const select = prevSelection(state);
return {
...state,
select: select,
consoleText: nextConsoleText(
state.completions,
select,
state.completionSource
),
};
}
default:
return state;
}
}
|
