react-native-controlled-mentions/dist/hooks/use-mentions.js

Fully controlled React Native mentions component

"use strict";
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    o[k2] = m[k];
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var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
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    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.useMentions = void 0;
const _mention_utils_1 = require("../utils");
const react_1 = __importStar(require("react"));
const react_native_1 = require("react-native");
/**
 * Hook that stores mention context.
 *
 * @param value
 * @param onChange
 * @param triggersConfig
 * @param patterns
 */
const useMentions = ({ value, onChange, triggersConfig = _mention_utils_1.emptyObject, patternsConfig = _mention_utils_1.emptyObject, onSelectionChange, }) => {
    const [selection, setSelection] = (0, react_1.useState)({
        start: 0,
        end: 0,
    });
    /**
     * State that includes current parts and plain text
     */
    const mentionState = (0, react_1.useMemo)(() => (0, _mention_utils_1.parseValue)(value, (0, _mention_utils_1.getConfigsArray)(triggersConfig, patternsConfig)), [value, triggersConfig, patternsConfig]);
    /**
     * Callback that handles TextInput text change
     *
     * @param text
     */
    const handleTextChange = (text) => {
        onChange((0, _mention_utils_1.generateValueFromMentionStateAndChangedText)(mentionState, text));
    };
    /**
     * Callback that handles TextInput selection change
     *
     * @param event
     */
    const handleSelectionChange = (event) => {
        const newSelection = event.nativeEvent.selection;
        setSelection(newSelection);
        onSelectionChange && onSelectionChange(newSelection);
    };
    /**
     * Object with triggers and their current keyword state depending on current text and selection
     */
    const triggers = (0, react_1.useMemo)(() => (0, _mention_utils_1.getTriggerPartSuggestionKeywords)(mentionState, selection, triggersConfig, onChange), [mentionState, selection, triggersConfig, onChange]);
    /**
     * `TextInput` props that we can provide to the `TextInput` component.
     */
    const textInputProps = {
        onChangeText: handleTextChange,
        onSelectionChange: handleSelectionChange,
        children: react_1.default.createElement(react_native_1.Text, null, mentionState.parts.map(({ text, config, data }, index) => {
            var _a;
            if (!config) {
                return react_1.default.createElement(react_native_1.Text, { key: index }, text);
            }
            const style = typeof config.textStyle === 'function' ? config.textStyle(data) : config.textStyle;
            return react_1.default.createElement(react_native_1.Text, {
                key: `${index}-${(_a = data === null || data === void 0 ? void 0 : data.trigger) !== null && _a !== void 0 ? _a : 'pattern'}`,
                style: style !== null && style !== void 0 ? style : _mention_utils_1.defaultTriggerTextStyle,
            }, text);
        })),
    };
    return {
        triggers,
        textInputProps,
        mentionState,
    };
};
exports.useMentions = useMentions;
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