@pubgcorp/pk-template/dist/pk-template/styles/styleSheet.js

p template engine for kubernetes

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.StyleSheet = void 0;
const common_1 = require("../../common");
const styleApply_1 = require("./styleApply");
const styleCompile_1 = require("./styleCompile");
const customTags_1 = require("../../pk-yaml/customTags");
class StyleSheet {
    constructor(parent) {
        this.parent = parent;
        this.styleSheets = {};
    }
    loadStyles(styles) {
        for (const map of styles) {
            for (const key of Object.keys(map)) {
                const code = map[key];
                if (code instanceof customTags_1.CustomYamlTag) {
                    this.styleSheets[key] = new styleApply_1.StyleApply(key, code);
                }
                else {
                    throw new Error(`invalid style definition ${key}`);
                }
            }
        }
    }
    import(scope, rpath) {
        const { uri, data } = scope.loadPkt(rpath);
        scope.child2({ uri }, cscope => {
            this.load(cscope, data.header);
        });
    }
    load(scope, pkt) {
        if (pkt['/import']) {
            if (Array.isArray(pkt['/import'])) {
                for (let path of pkt['/import']) {
                    this.import(scope, path);
                }
            }
            else {
                this.import(scope, pkt['/import']);
            }
        }
        if (pkt['/style']) {
            this.loadStyles(pkt['/style']);
        }
    }
    applyStyle(vm, scope, object, node, style) {
        const styleApply = this.styleSheets[style.type];
        return styleApply
            ? styleApply.applyStyle(vm, scope, object, node, style)
            : (this.parent
                ? this.parent.applyStyle(vm, scope, object, node, style)
                : false);
    }
    applyTree(vm, scope, object) {
        let updated = false;
        let left = null;
        (0, common_1.forEachTreeObjectKey)(object, (node, key, styles) => {
            if (key === '^') {
                if (styles.length === 0) {
                    delete node[key];
                    return;
                }
                const leftOvers = [];
                for (const style of styles) {
                    const applied = this.applyStyle(vm, scope, object, node, style);
                    if (applied) {
                        updated = true;
                    }
                    else {
                        leftOvers.push(style);
                        left = style;
                    }
                }
                if (leftOvers.length == 0) {
                    delete node[key];
                }
                else {
                    node[key] = leftOvers;
                }
            }
        });
        if (!updated && left != null) {
            throw new Error(`cannot apply style ${left.type}`);
        }
        return left != null;
    }
    apply(vm, scope, object) {
        (0, styleCompile_1.compileStyle)(vm, scope, object);
        while (this.applyTree(vm, scope, object))
            ;
    }
    static Build(scope, pkt) {
        const styleSheet = new StyleSheet(scope.parent.styleSheet);
        styleSheet.load(scope, pkt);
        return styleSheet;
    }
}
exports.StyleSheet = StyleSheet;
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