run-npm-install (#44)

Reviewed-on: #44

node_modules/@isaacs/brace-expansion/dist/esm/index.js

@@ -0,0 +1,193 @@
+import { balanced } from '@isaacs/balanced-match';
+const escSlash = '\0SLASH' + Math.random() + '\0';
+const escOpen = '\0OPEN' + Math.random() + '\0';
+const escClose = '\0CLOSE' + Math.random() + '\0';
+const escComma = '\0COMMA' + Math.random() + '\0';
+const escPeriod = '\0PERIOD' + Math.random() + '\0';
+const escSlashPattern = new RegExp(escSlash, 'g');
+const escOpenPattern = new RegExp(escOpen, 'g');
+const escClosePattern = new RegExp(escClose, 'g');
+const escCommaPattern = new RegExp(escComma, 'g');
+const escPeriodPattern = new RegExp(escPeriod, 'g');
+const slashPattern = /\\\\/g;
+const openPattern = /\\{/g;
+const closePattern = /\\}/g;
+const commaPattern = /\\,/g;
+const periodPattern = /\\./g;
+function numeric(str) {
+    return !isNaN(str) ? parseInt(str, 10) : str.charCodeAt(0);
+}
+function escapeBraces(str) {
+    return str
+        .replace(slashPattern, escSlash)
+        .replace(openPattern, escOpen)
+        .replace(closePattern, escClose)
+        .replace(commaPattern, escComma)
+        .replace(periodPattern, escPeriod);
+}
+function unescapeBraces(str) {
+    return str
+        .replace(escSlashPattern, '\\')
+        .replace(escOpenPattern, '{')
+        .replace(escClosePattern, '}')
+        .replace(escCommaPattern, ',')
+        .replace(escPeriodPattern, '.');
+}
+/**
+ * Basically just str.split(","), but handling cases
+ * where we have nested braced sections, which should be
+ * treated as individual members, like {a,{b,c},d}
+ */
+function parseCommaParts(str) {
+    if (!str) {
+        return [''];
+    }
+    const parts = [];
+    const m = balanced('{', '}', str);
+    if (!m) {
+        return str.split(',');
+    }
+    const { pre, body, post } = m;
+    const p = pre.split(',');
+    p[p.length - 1] += '{' + body + '}';
+    const postParts = parseCommaParts(post);
+    if (post.length) {
+        ;
+        p[p.length - 1] += postParts.shift();
+        p.push.apply(p, postParts);
+    }
+    parts.push.apply(parts, p);
+    return parts;
+}
+export function expand(str) {
+    if (!str) {
+        return [];
+    }
+    // I don't know why Bash 4.3 does this, but it does.
+    // Anything starting with {} will have the first two bytes preserved
+    // but *only* at the top level, so {},a}b will not expand to anything,
+    // but a{},b}c will be expanded to [a}c,abc].
+    // One could argue that this is a bug in Bash, but since the goal of
+    // this module is to match Bash's rules, we escape a leading {}
+    if (str.slice(0, 2) === '{}') {
+        str = '\\{\\}' + str.slice(2);
+    }
+    return expand_(escapeBraces(str), true).map(unescapeBraces);
+}
+function embrace(str) {
+    return '{' + str + '}';
+}
+function isPadded(el) {
+    return /^-?0\d/.test(el);
+}
+function lte(i, y) {
+    return i <= y;
+}
+function gte(i, y) {
+    return i >= y;
+}
+function expand_(str, isTop) {
+    /** @type {string[]} */
+    const expansions = [];
+    const m = balanced('{', '}', str);
+    if (!m)
+        return [str];
+    // no need to expand pre, since it is guaranteed to be free of brace-sets
+    const pre = m.pre;
+    const post = m.post.length ? expand_(m.post, false) : [''];
+    if (/\$$/.test(m.pre)) {
+        for (let k = 0; k < post.length; k++) {
+            const expansion = pre + '{' + m.body + '}' + post[k];
+            expansions.push(expansion);
+        }
+    }
+    else {
+        const isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body);
+        const isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body);
+        const isSequence = isNumericSequence || isAlphaSequence;
+        const isOptions = m.body.indexOf(',') >= 0;
+        if (!isSequence && !isOptions) {
+            // {a},b}
+            if (m.post.match(/,(?!,).*\}/)) {
+                str = m.pre + '{' + m.body + escClose + m.post;
+                return expand_(str);
+            }
+            return [str];
+        }
+        let n;
+        if (isSequence) {
+            n = m.body.split(/\.\./);
+        }
+        else {
+            n = parseCommaParts(m.body);
+            if (n.length === 1 && n[0] !== undefined) {
+                // x{{a,b}}y ==> x{a}y x{b}y
+                n = expand_(n[0], false).map(embrace);
+                //XXX is this necessary? Can't seem to hit it in tests.
+                /* c8 ignore start */
+                if (n.length === 1) {
+                    return post.map(p => m.pre + n[0] + p);
+                }
+                /* c8 ignore stop */
+            }
+        }
+        // at this point, n is the parts, and we know it's not a comma set
+        // with a single entry.
+        let N;
+        if (isSequence && n[0] !== undefined && n[1] !== undefined) {
+            const x = numeric(n[0]);
+            const y = numeric(n[1]);
+            const width = Math.max(n[0].length, n[1].length);
+            let incr = n.length === 3 && n[2] !== undefined ? Math.abs(numeric(n[2])) : 1;
+            let test = lte;
+            const reverse = y < x;
+            if (reverse) {
+                incr *= -1;
+                test = gte;
+            }
+            const pad = n.some(isPadded);
+            N = [];
+            for (let i = x; test(i, y); i += incr) {
+                let c;
+                if (isAlphaSequence) {
+                    c = String.fromCharCode(i);
+                    if (c === '\\') {
+                        c = '';
+                    }
+                }
+                else {
+                    c = String(i);
+                    if (pad) {
+                        const need = width - c.length;
+                        if (need > 0) {
+                            const z = new Array(need + 1).join('0');
+                            if (i < 0) {
+                                c = '-' + z + c.slice(1);
+                            }
+                            else {
+                                c = z + c;
+                            }
+                        }
+                    }
+                }
+                N.push(c);
+            }
+        }
+        else {
+            N = [];
+            for (let j = 0; j < n.length; j++) {
+                N.push.apply(N, expand_(n[j], false));
+            }
+        }
+        for (let j = 0; j < N.length; j++) {
+            for (let k = 0; k < post.length; k++) {
+                const expansion = pre + N[j] + post[k];
+                if (!isTop || isSequence || expansion) {
+                    expansions.push(expansion);
+                }
+            }
+        }
+    }
+    return expansions;
+}
+//# sourceMappingURL=index.js.map