Add node_modules

node_modules/yaml/dist/nodes/YAMLSeq.js

@@ -0,0 +1,99 @@
+'use strict';
+
+var stringifyCollection = require('../stringify/stringifyCollection.js');
+var Collection = require('./Collection.js');
+var Node = require('./Node.js');
+var Scalar = require('./Scalar.js');
+var toJS = require('./toJS.js');
+
+class YAMLSeq extends Collection.Collection {
+    static get tagName() {
+        return 'tag:yaml.org,2002:seq';
+    }
+    constructor(schema) {
+        super(Node.SEQ, schema);
+        this.items = [];
+    }
+    add(value) {
+        this.items.push(value);
+    }
+    /**
+     * Removes a value from the collection.
+     *
+     * `key` must contain a representation of an integer for this to succeed.
+     * It may be wrapped in a `Scalar`.
+     *
+     * @returns `true` if the item was found and removed.
+     */
+    delete(key) {
+        const idx = asItemIndex(key);
+        if (typeof idx !== 'number')
+            return false;
+        const del = this.items.splice(idx, 1);
+        return del.length > 0;
+    }
+    get(key, keepScalar) {
+        const idx = asItemIndex(key);
+        if (typeof idx !== 'number')
+            return undefined;
+        const it = this.items[idx];
+        return !keepScalar && Node.isScalar(it) ? it.value : it;
+    }
+    /**
+     * Checks if the collection includes a value with the key `key`.
+     *
+     * `key` must contain a representation of an integer for this to succeed.
+     * It may be wrapped in a `Scalar`.
+     */
+    has(key) {
+        const idx = asItemIndex(key);
+        return typeof idx === 'number' && idx < this.items.length;
+    }
+    /**
+     * Sets a value in this collection. For `!!set`, `value` needs to be a
+     * boolean to add/remove the item from the set.
+     *
+     * If `key` does not contain a representation of an integer, this will throw.
+     * It may be wrapped in a `Scalar`.
+     */
+    set(key, value) {
+        const idx = asItemIndex(key);
+        if (typeof idx !== 'number')
+            throw new Error(`Expected a valid index, not ${key}.`);
+        const prev = this.items[idx];
+        if (Node.isScalar(prev) && Scalar.isScalarValue(value))
+            prev.value = value;
+        else
+            this.items[idx] = value;
+    }
+    toJSON(_, ctx) {
+        const seq = [];
+        if (ctx?.onCreate)
+            ctx.onCreate(seq);
+        let i = 0;
+        for (const item of this.items)
+            seq.push(toJS.toJS(item, String(i++), ctx));
+        return seq;
+    }
+    toString(ctx, onComment, onChompKeep) {
+        if (!ctx)
+            return JSON.stringify(this);
+        return stringifyCollection.stringifyCollection(this, ctx, {
+            blockItemPrefix: '- ',
+            flowChars: { start: '[', end: ']' },
+            itemIndent: (ctx.indent || '') + '  ',
+            onChompKeep,
+            onComment
+        });
+    }
+}
+function asItemIndex(key) {
+    let idx = Node.isScalar(key) ? key.value : key;
+    if (idx && typeof idx === 'string')
+        idx = Number(idx);
+    return typeof idx === 'number' && Number.isInteger(idx) && idx >= 0
+        ? idx
+        : null;
+}
+
+exports.YAMLSeq = YAMLSeq;